Initial QSfera import
This commit is contained in:
Курнат Андрей
+39
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package vips
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// #include <vips/vips.h>
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import "C"
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import (
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"errors"
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"fmt"
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dbg "runtime/debug"
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"unsafe"
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)
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var (
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// ErrUnsupportedImageFormat when image type is unsupported
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ErrUnsupportedImageFormat = errors.New("unsupported image format")
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)
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func handleImageError(out *C.VipsImage) error {
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if out != nil {
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clearImage(out)
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}
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return handleVipsError()
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}
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func handleSaveBufferError(out unsafe.Pointer) error {
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if out != nil {
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gFreePointer(out)
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}
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return handleVipsError()
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}
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func handleVipsError() error {
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s := C.GoString(C.vips_error_buffer())
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C.vips_error_clear()
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return fmt.Errorf("%v\nStack:\n%s", s, dbg.Stack())
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}
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+601
@@ -0,0 +1,601 @@
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#include "foreign.h"
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#include "lang.h"
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void set_bool_param(Param *p, gboolean b) {
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p->type = PARAM_TYPE_BOOL;
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p->value.b = b;
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p->is_set = TRUE;
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}
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void set_int_param(Param *p, gint i) {
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p->type = PARAM_TYPE_INT;
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p->value.i = i;
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p->is_set = TRUE;
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}
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void set_double_param(Param *p, gdouble d) {
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p->type = PARAM_TYPE_DOUBLE;
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p->value.d = d;
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p->is_set = TRUE;
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}
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int load_image_buffer(LoadParams *params, void *buf, size_t len,
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VipsImage **out) {
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int code = 1;
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ImageType imageType = params->inputFormat;
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if (imageType == JPEG) {
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// shrink: int, fail: bool, autorotate: bool
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code = vips_jpegload_buffer(buf, len, out, "fail", params->fail,
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"autorotate", params->autorotate, "shrink",
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params->jpegShrink, "access", params->access, NULL);
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} else if (imageType == PNG) {
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code = vips_pngload_buffer(buf, len, out, "access", params->access, NULL);
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} else if (imageType == WEBP) {
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// page: int, n: int, scale: double
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code = vips_webpload_buffer(buf, len, out, "page", params->page, "n",
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params->n, "access", params->access, NULL);
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} else if (imageType == TIFF) {
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// page: int, n: int, autorotate: bool, subifd: int
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code =
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vips_tiffload_buffer(buf, len, out, "page", params->page, "n",
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params->n, "autorotate", params->autorotate, "access", params->access, NULL);
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} else if (imageType == GIF) {
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// page: int, n: int, scale: double
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code = vips_gifload_buffer(buf, len, out, "page", params->page, "n",
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params->n, "access", params->access, NULL);
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} else if (imageType == PDF) {
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// page: int, n: int, dpi: double, scale: double, background: color
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code = vips_pdfload_buffer(buf, len, out, "page", params->page, "n",
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params->n, "dpi", params->dpi, "access", params->access, NULL);
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} else if (imageType == SVG) {
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// dpi: double, scale: double, unlimited: bool
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code = vips_svgload_buffer(buf, len, out, "dpi", params->dpi, "unlimited",
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params->svgUnlimited, "access", params->access, NULL);
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} else if (imageType == HEIF) {
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// added autorotate on load as currently it addresses orientation issues
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// https://github.com/libvips/libvips/pull/1680
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// page: int, n: int, thumbnail: bool
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code = vips_heifload_buffer(buf, len, out, "page", params->page, "n",
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params->n, "thumbnail", params->heifThumbnail,
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"autorotate", TRUE, "access", params->access, NULL);
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} else if (imageType == MAGICK) {
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// page: int, n: int, density: string
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code = vips_magickload_buffer(buf, len, out, "page", params->page, "n",
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params->n, "access", params->access, NULL);
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} else if (imageType == AVIF) {
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code = vips_heifload_buffer(buf, len, out, "page", params->page, "n",
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params->n, "thumbnail", params->heifThumbnail,
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"autorotate", params->autorotate, "access", params->access, NULL);
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}
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#if (VIPS_MAJOR_VERSION >= 8) && (VIPS_MINOR_VERSION >= 11)
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else if (imageType == JP2K) {
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code = vips_jp2kload_buffer(buf, len, out, "page", params->page, "access", params->access, NULL);
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}
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#endif
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return code;
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}
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#define MAYBE_SET_BOOL(OP, PARAM, NAME) \
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if (PARAM.is_set) { \
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vips_object_set(VIPS_OBJECT(OP), NAME, PARAM.value.b, NULL); \
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}
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#define MAYBE_SET_INT(OP, PARAM, NAME) \
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if (PARAM.is_set) { \
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vips_object_set(VIPS_OBJECT(OP), NAME, PARAM.value.i, NULL); \
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}
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#define MAYBE_SET_DOUBLE(OP, PARAM, NAME) \
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if (PARAM.is_set) { \
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vips_object_set(VIPS_OBJECT(OP), NAME, PARAM.value.d, NULL); \
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}
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typedef int (*SetLoadOptionsFn)(VipsOperation *operation, LoadParams *params);
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int set_jpegload_options(VipsOperation *operation, LoadParams *params) {
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MAYBE_SET_BOOL(operation, params->autorotate, "autorotate");
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MAYBE_SET_BOOL(operation, params->fail, "fail");
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MAYBE_SET_INT(operation, params->jpegShrink, "shrink");
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MAYBE_SET_INT(operation, params->access, "access");
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return 0;
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}
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int set_pngload_options(VipsOperation *operation, LoadParams *params) {
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MAYBE_SET_BOOL(operation, params->fail, "fail");
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MAYBE_SET_INT(operation, params->access, "access");
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return 0;
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}
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int set_webpload_options(VipsOperation *operation, LoadParams *params) {
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MAYBE_SET_INT(operation, params->page, "page");
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MAYBE_SET_INT(operation, params->n, "n");
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MAYBE_SET_INT(operation, params->access, "access");
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MAYBE_SET_DOUBLE(operation, params->webpScale, "scale");
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return 0;
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}
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int set_tiffload_options(VipsOperation *operation, LoadParams *params) {
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MAYBE_SET_BOOL(operation, params->autorotate, "autorotate");
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MAYBE_SET_INT(operation, params->page, "page");
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MAYBE_SET_INT(operation, params->n, "n");
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MAYBE_SET_INT(operation, params->access, "access");
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return 0;
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}
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int set_gifload_options(VipsOperation *operation, LoadParams *params) {
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MAYBE_SET_INT(operation, params->page, "page");
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MAYBE_SET_INT(operation, params->n, "n");
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MAYBE_SET_INT(operation, params->access, "access");
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return 0;
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}
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int set_pdfload_options(VipsOperation *operation, LoadParams *params) {
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MAYBE_SET_INT(operation, params->page, "page");
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MAYBE_SET_INT(operation, params->n, "n");
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MAYBE_SET_DOUBLE(operation, params->dpi, "dpi");
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MAYBE_SET_INT(operation, params->access, "access");
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return 0;
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}
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int set_svgload_options(VipsOperation *operation, LoadParams *params) {
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MAYBE_SET_BOOL(operation, params->svgUnlimited, "unlimited");
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MAYBE_SET_DOUBLE(operation, params->dpi, "dpi");
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MAYBE_SET_INT(operation, params->access, "access");
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return 0;
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}
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int set_heifload_options(VipsOperation *operation, LoadParams *params) {
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MAYBE_SET_BOOL(operation, params->autorotate, "autorotate");
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MAYBE_SET_BOOL(operation, params->heifThumbnail, "thumbnail");
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MAYBE_SET_INT(operation, params->page, "page");
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MAYBE_SET_INT(operation, params->n, "n");
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MAYBE_SET_INT(operation, params->access, "access");
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return 0;
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}
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int set_jp2kload_options(VipsOperation *operation, LoadParams *params) {
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MAYBE_SET_INT(operation, params->page, "page");
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MAYBE_SET_INT(operation, params->access, "access");
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return 0;
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}
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int set_jxlload_options(VipsOperation *operation, LoadParams *params) {
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// nothing need to do
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return 0;
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}
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int set_magickload_options(VipsOperation *operation, LoadParams *params) {
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MAYBE_SET_INT(operation, params->page, "page");
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MAYBE_SET_INT(operation, params->n, "n");
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MAYBE_SET_INT(operation, params->access, "access");
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return 0;
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}
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int load_buffer(const char *operationName, void *buf, size_t len,
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LoadParams *params, SetLoadOptionsFn setLoadOptions) {
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VipsBlob *blob = vips_blob_new(NULL, buf, len);
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VipsOperation *operation = vips_operation_new(operationName);
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if (!operation) {
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return 1;
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}
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if (vips_object_set(VIPS_OBJECT(operation), "buffer", blob, NULL)) {
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vips_area_unref(VIPS_AREA(blob));
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return 1;
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}
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vips_area_unref(VIPS_AREA(blob));
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if (setLoadOptions(operation, params)) {
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vips_object_unref_outputs(VIPS_OBJECT(operation));
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g_object_unref(operation);
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return 1;
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}
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if (vips_cache_operation_buildp(&operation)) {
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vips_object_unref_outputs(VIPS_OBJECT(operation));
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g_object_unref(operation);
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return 1;
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}
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g_object_get(VIPS_OBJECT(operation), "out", ¶ms->outputImage, NULL);
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vips_object_unref_outputs(VIPS_OBJECT(operation));
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g_object_unref(operation);
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return 0;
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}
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typedef int (*SetSaveOptionsFn)(VipsOperation *operation, SaveParams *params);
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int save_buffer(const char *operationName, SaveParams *params,
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SetSaveOptionsFn setSaveOptions) {
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VipsBlob *blob;
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VipsOperation *operation = vips_operation_new(operationName);
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if (!operation) {
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return 1;
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}
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if (vips_object_set(VIPS_OBJECT(operation), "in", params->inputImage, NULL)) {
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return 1;
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}
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if (setSaveOptions(operation, params)) {
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g_object_unref(operation);
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return 1;
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}
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if (vips_cache_operation_buildp(&operation)) {
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vips_object_unref_outputs(VIPS_OBJECT(operation));
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g_object_unref(operation);
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return 1;
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}
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g_object_get(VIPS_OBJECT(operation), "buffer", &blob, NULL);
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g_object_unref(operation);
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VipsArea *area = VIPS_AREA(blob);
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params->outputBuffer = (char *)(area->data);
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params->outputLen = area->length;
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area->free_fn = NULL;
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vips_area_unref(area);
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return 0;
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}
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// https://libvips.github.io/libvips/API/current/VipsForeignSave.html#vips-jpegsave-buffer
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int set_jpegsave_options(VipsOperation *operation, SaveParams *params) {
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int ret = vips_object_set(
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VIPS_OBJECT(operation), "strip", params->stripMetadata, "optimize_coding",
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params->jpegOptimizeCoding, "interlace", params->interlace,
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"subsample_mode", params->jpegSubsample, "trellis_quant",
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params->jpegTrellisQuant, "overshoot_deringing",
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params->jpegOvershootDeringing, "optimize_scans",
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params->jpegOptimizeScans, "quant_table", params->jpegQuantTable, NULL);
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if (!ret && params->quality) {
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ret = vips_object_set(VIPS_OBJECT(operation), "Q", params->quality, NULL);
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}
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return ret;
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}
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// https://libvips.github.io/libvips/API/current/VipsForeignSave.html#vips-pngsave-buffer
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int set_pngsave_options(VipsOperation *operation, SaveParams *params) {
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int ret =
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vips_object_set(VIPS_OBJECT(operation), "strip", params->stripMetadata,
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"compression", params->pngCompression, "interlace",
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params->interlace, "filter", params->pngFilter, "palette",
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params->pngPalette, NULL);
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if (!ret && params->quality) {
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ret = vips_object_set(VIPS_OBJECT(operation), "Q", params->quality, NULL);
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}
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if (!ret && params->pngDither) {
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ret = vips_object_set(VIPS_OBJECT(operation), "dither", params->pngDither, NULL);
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}
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if (!ret && params->pngBitdepth) {
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ret = vips_object_set(VIPS_OBJECT(operation), "bitdepth", params->pngBitdepth, NULL);
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}
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// TODO: Handle `profile` param.
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return ret;
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}
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// https://github.com/libvips/libvips/blob/master/libvips/foreign/webpsave.c#L524
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// https://libvips.github.io/libvips/API/current/VipsForeignSave.html#vips-webpsave-buffer
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int set_webpsave_options(VipsOperation *operation, SaveParams *params) {
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int ret =
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vips_object_set(VIPS_OBJECT(operation),
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"strip", params->stripMetadata,
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"lossless", params->webpLossless,
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"near_lossless", params->webpNearLossless,
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"reduction_effort", params->webpReductionEffort,
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"profile", params->webpIccProfile ? params->webpIccProfile : "none",
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"min_size", params->webpMinSize,
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"kmin", params->webpKMin,
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"kmax", params->webpKMax,
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NULL);
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if (!ret && params->quality) {
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ret = vips_object_set(VIPS_OBJECT(operation), "Q", params->quality, NULL);
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}
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return ret;
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}
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// https://libvips.github.io/libvips/API/current/VipsForeignSave.html#vips-tiffsave-buffer
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int set_tiffsave_options(VipsOperation *operation, SaveParams *params) {
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int ret = vips_object_set(
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VIPS_OBJECT(operation), "strip", params->stripMetadata, "compression",
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params->tiffCompression, "predictor", params->tiffPredictor, "pyramid",
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params->tiffPyramid, "tile_height", params->tiffTileHeight, "tile_width",
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params->tiffTileWidth, "tile", params->tiffTile, NULL);
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if (!ret && params->quality) {
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ret = vips_object_set(VIPS_OBJECT(operation), "Q", params->quality, NULL);
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}
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return ret;
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}
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// https://libvips.github.io/libvips/API/current/VipsForeignSave.html#vips-magicksave-buffer
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int set_magicksave_options(VipsOperation *operation, SaveParams *params) {
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int ret = vips_object_set(VIPS_OBJECT(operation), "format", params->magickFormat,
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"optimize_gif_frames", params->magickOptimizeGifFrames,
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"optimize_gif_transparency", params->magickOptimizeGifTransparency,
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"bitdepth", params->magickBitDepth, NULL);
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if (!ret && params->quality) {
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ret = vips_object_set(VIPS_OBJECT(operation), "quality", params->quality,
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NULL);
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}
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return ret;
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}
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// https://libvips.github.io/libvips/API/current/VipsForeignSave.html#vips-gifsave-buffer
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int set_gifsave_options(VipsOperation *operation, SaveParams *params) {
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int ret = 0;
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// See for argument values: https://www.libvips.org/API/current/VipsForeignSave.html#vips-gifsave
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if (params->gifDither > 0.0 && params->gifDither <= 10) {
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ret = vips_object_set(VIPS_OBJECT(operation), "dither", params->gifDither, NULL);
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}
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if (params->gifEffort >= 1 && params->gifEffort <= 10) {
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ret = vips_object_set(VIPS_OBJECT(operation), "effort", params->gifEffort, NULL);
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}
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if (params->gifBitdepth >= 1 && params->gifBitdepth <= 8) {
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ret = vips_object_set(VIPS_OBJECT(operation), "bitdepth", params->gifBitdepth, NULL);
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}
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return ret;
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}
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// https://github.com/libvips/libvips/blob/master/libvips/foreign/heifsave.c#L653
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int set_heifsave_options(VipsOperation *operation, SaveParams *params) {
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int ret = vips_object_set(VIPS_OBJECT(operation), "lossless",
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params->heifLossless, NULL);
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#if (VIPS_MAJOR_VERSION >= 8) && (VIPS_MINOR_VERSION >= 13)
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if (!ret && params->heifBitdepth && params->heifEffort) {
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ret = vips_object_set(VIPS_OBJECT(operation), "bitdepth",
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params->heifBitdepth, "effort", params->heifEffort,
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NULL);
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}
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#else
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if (!ret && params->heifEffort) {
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ret = vips_object_set(VIPS_OBJECT(operation), "speed", params->heifEffort,
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NULL);
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}
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#endif
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if (!ret && params->quality) {
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ret = vips_object_set(VIPS_OBJECT(operation), "Q", params->quality, NULL);
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}
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return ret;
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}
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// https://github.com/libvips/libvips/blob/master/libvips/foreign/heifsave.c#L653
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int set_avifsave_options(VipsOperation *operation, SaveParams *params) {
|
||||
int ret = vips_object_set(VIPS_OBJECT(operation), "strip", params->stripMetadata, "compression",
|
||||
VIPS_FOREIGN_HEIF_COMPRESSION_AV1, "lossless",
|
||||
params->heifLossless, NULL);
|
||||
|
||||
#if (VIPS_MAJOR_VERSION >= 8) && (VIPS_MINOR_VERSION >= 13)
|
||||
if (!ret && params->heifBitdepth && params->heifEffort) {
|
||||
ret = vips_object_set(VIPS_OBJECT(operation), "bitdepth",
|
||||
params->heifBitdepth, "effort", params->heifEffort,
|
||||
NULL);
|
||||
}
|
||||
#else
|
||||
if (!ret && params->heifEffort) {
|
||||
ret = vips_object_set(VIPS_OBJECT(operation), "speed", params->heifEffort,
|
||||
NULL);
|
||||
}
|
||||
#endif
|
||||
|
||||
if (!ret && params->quality) {
|
||||
ret = vips_object_set(VIPS_OBJECT(operation), "Q", params->quality, NULL);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int set_jp2ksave_options(VipsOperation *operation, SaveParams *params) {
|
||||
int ret = vips_object_set(
|
||||
VIPS_OBJECT(operation), "subsample_mode", params->jpegSubsample,
|
||||
"tile_height", params->jp2kTileHeight, "tile_width", params->jp2kTileWidth,
|
||||
"lossless", params->jp2kLossless, NULL);
|
||||
|
||||
if (!ret && params->quality) {
|
||||
ret = vips_object_set(VIPS_OBJECT(operation), "Q", params->quality, NULL);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int set_jxlsave_options(VipsOperation *operation, SaveParams *params) {
|
||||
int ret = vips_object_set(
|
||||
VIPS_OBJECT(operation), "tier", params->jxlTier,
|
||||
"distance", params->jxlDistance, "effort", params->jxlEffort,
|
||||
"lossless", params->jxlLossless, NULL);
|
||||
|
||||
if (!ret && params->quality) {
|
||||
ret = vips_object_set(VIPS_OBJECT(operation), "Q", params->quality, NULL);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int load_from_buffer(LoadParams *params, void *buf, size_t len) {
|
||||
switch (params->inputFormat) {
|
||||
case JPEG:
|
||||
return load_buffer("jpegload_buffer", buf, len, params,
|
||||
set_jpegload_options);
|
||||
case PNG:
|
||||
return load_buffer("pngload_buffer", buf, len, params,
|
||||
set_pngload_options);
|
||||
case WEBP:
|
||||
return load_buffer("webpload_buffer", buf, len, params,
|
||||
set_webpload_options);
|
||||
case HEIF:
|
||||
return load_buffer("heifload_buffer", buf, len, params,
|
||||
set_heifload_options);
|
||||
case TIFF:
|
||||
return load_buffer("tiffload_buffer", buf, len, params,
|
||||
set_tiffload_options);
|
||||
case SVG:
|
||||
return load_buffer("svgload_buffer", buf, len, params,
|
||||
set_svgload_options);
|
||||
case GIF:
|
||||
return load_buffer("gifload_buffer", buf, len, params,
|
||||
set_gifload_options);
|
||||
case PDF:
|
||||
return load_buffer("pdfload_buffer", buf, len, params,
|
||||
set_pdfload_options);
|
||||
case MAGICK:
|
||||
return load_buffer("magickload_buffer", buf, len, params,
|
||||
set_magickload_options);
|
||||
case AVIF:
|
||||
return load_buffer("heifload_buffer", buf, len, params,
|
||||
set_heifload_options);
|
||||
case JP2K:
|
||||
return load_buffer("jp2kload_buffer", buf, len, params,
|
||||
set_jp2kload_options);
|
||||
case JXL:
|
||||
return load_buffer("jxlload_buffer", buf, len, params,
|
||||
set_jxlload_options);
|
||||
default:
|
||||
g_warning("Unsupported input type given: %d", params->inputFormat);
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
int save_to_buffer(SaveParams *params) {
|
||||
switch (params->outputFormat) {
|
||||
case JPEG:
|
||||
return save_buffer("jpegsave_buffer", params, set_jpegsave_options);
|
||||
case PNG:
|
||||
return save_buffer("pngsave_buffer", params, set_pngsave_options);
|
||||
case WEBP:
|
||||
return save_buffer("webpsave_buffer", params, set_webpsave_options);
|
||||
case HEIF:
|
||||
return save_buffer("heifsave_buffer", params, set_heifsave_options);
|
||||
case TIFF:
|
||||
return save_buffer("tiffsave_buffer", params, set_tiffsave_options);
|
||||
case GIF:
|
||||
#if (VIPS_MAJOR_VERSION >= 8) && (VIPS_MINOR_VERSION >= 12)
|
||||
return save_buffer("gifsave_buffer", params, set_gifsave_options);
|
||||
#else
|
||||
// Gif save through ImageMagick below Vips Version 8.12
|
||||
params->magickFormat="GIF";
|
||||
params->magickOptimizeGifFrames=FALSE;
|
||||
params->magickOptimizeGifTransparency=FALSE;
|
||||
params->magickBitDepth=params->gifBitdepth;
|
||||
return save_buffer("magicksave_buffer", params, set_magicksave_options);
|
||||
#endif
|
||||
case AVIF:
|
||||
return save_buffer("heifsave_buffer", params, set_avifsave_options);
|
||||
case JP2K:
|
||||
return save_buffer("jp2ksave_buffer", params, set_jp2ksave_options);
|
||||
case JXL:
|
||||
return save_buffer("jxlsave_buffer", params, set_jxlsave_options);
|
||||
case MAGICK:
|
||||
return save_buffer("magicksave_buffer", params, set_magicksave_options);
|
||||
default:
|
||||
g_warning("Unsupported output type given: %d", params->outputFormat);
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
LoadParams create_load_params(ImageType inputFormat) {
|
||||
Param defaultParam = {};
|
||||
LoadParams p = {
|
||||
.inputFormat = inputFormat,
|
||||
.inputBlob = NULL,
|
||||
.outputImage = NULL,
|
||||
.autorotate = defaultParam,
|
||||
.fail = defaultParam,
|
||||
.page = defaultParam,
|
||||
.n = defaultParam,
|
||||
.dpi = defaultParam,
|
||||
.jpegShrink = defaultParam,
|
||||
.webpScale = defaultParam,
|
||||
.heifThumbnail = defaultParam,
|
||||
.svgUnlimited = defaultParam,
|
||||
.access = defaultParam,
|
||||
};
|
||||
return p;
|
||||
}
|
||||
|
||||
// TODO: Change to same pattern as ImportParams
|
||||
|
||||
static SaveParams defaultSaveParams = {
|
||||
.inputImage = NULL,
|
||||
.outputBuffer = NULL,
|
||||
.outputFormat = JPEG,
|
||||
.outputLen = 0,
|
||||
|
||||
.interlace = FALSE,
|
||||
.quality = 0,
|
||||
.stripMetadata = FALSE,
|
||||
|
||||
.jpegOptimizeCoding = FALSE,
|
||||
.jpegSubsample = VIPS_FOREIGN_SUBSAMPLE_ON,
|
||||
.jpegTrellisQuant = FALSE,
|
||||
.jpegOvershootDeringing = FALSE,
|
||||
.jpegOptimizeScans = FALSE,
|
||||
.jpegQuantTable = 0,
|
||||
|
||||
.pngCompression = 6,
|
||||
.pngPalette = FALSE,
|
||||
.pngBitdepth = 0,
|
||||
.pngDither = 0,
|
||||
.pngFilter = VIPS_FOREIGN_PNG_FILTER_NONE,
|
||||
|
||||
.gifDither = 0.0,
|
||||
.gifEffort = 0,
|
||||
.gifBitdepth = 0,
|
||||
|
||||
.webpLossless = FALSE,
|
||||
.webpNearLossless = FALSE,
|
||||
.webpReductionEffort = 4,
|
||||
.webpIccProfile = NULL,
|
||||
.webpKMax = 0,
|
||||
.webpKMin = 0,
|
||||
.webpMinSize = FALSE,
|
||||
|
||||
.heifBitdepth = 8,
|
||||
.heifLossless = FALSE,
|
||||
.heifEffort = 5,
|
||||
|
||||
.tiffCompression = VIPS_FOREIGN_TIFF_COMPRESSION_LZW,
|
||||
.tiffPredictor = VIPS_FOREIGN_TIFF_PREDICTOR_HORIZONTAL,
|
||||
.tiffPyramid = FALSE,
|
||||
.tiffTile = FALSE,
|
||||
.tiffTileHeight = 256,
|
||||
.tiffTileWidth = 256,
|
||||
|
||||
.jp2kLossless = FALSE,
|
||||
.jp2kTileHeight = 512,
|
||||
.jp2kTileWidth = 512,
|
||||
|
||||
.jxlTier = 0,
|
||||
.jxlDistance = 1.0,
|
||||
.jxlEffort = 7,
|
||||
.jxlLossless = FALSE,
|
||||
};
|
||||
|
||||
SaveParams create_save_params(ImageType outputFormat) {
|
||||
SaveParams params = defaultSaveParams;
|
||||
params.outputFormat = outputFormat;
|
||||
return params;
|
||||
}
|
||||
+582
@@ -0,0 +1,582 @@
|
||||
package vips
|
||||
|
||||
// #include "foreign.h"
|
||||
import "C"
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/xml"
|
||||
"errors"
|
||||
"fmt"
|
||||
"math"
|
||||
"runtime"
|
||||
"unsafe"
|
||||
|
||||
"golang.org/x/net/html/charset"
|
||||
)
|
||||
|
||||
// SubsampleMode correlates to a libvips subsample mode
|
||||
type SubsampleMode int
|
||||
|
||||
// SubsampleMode enum correlating to libvips subsample modes
|
||||
const (
|
||||
VipsForeignSubsampleAuto SubsampleMode = C.VIPS_FOREIGN_SUBSAMPLE_AUTO
|
||||
VipsForeignSubsampleOn SubsampleMode = C.VIPS_FOREIGN_SUBSAMPLE_ON
|
||||
VipsForeignSubsampleOff SubsampleMode = C.VIPS_FOREIGN_SUBSAMPLE_OFF
|
||||
VipsForeignSubsampleLast SubsampleMode = C.VIPS_FOREIGN_SUBSAMPLE_LAST
|
||||
)
|
||||
|
||||
// ImageType represents an image type
|
||||
type ImageType int
|
||||
|
||||
// ImageType enum
|
||||
const (
|
||||
ImageTypeUnknown ImageType = C.UNKNOWN
|
||||
ImageTypeGIF ImageType = C.GIF
|
||||
ImageTypeJPEG ImageType = C.JPEG
|
||||
ImageTypeMagick ImageType = C.MAGICK
|
||||
ImageTypePDF ImageType = C.PDF
|
||||
ImageTypePNG ImageType = C.PNG
|
||||
ImageTypeSVG ImageType = C.SVG
|
||||
ImageTypeTIFF ImageType = C.TIFF
|
||||
ImageTypeWEBP ImageType = C.WEBP
|
||||
ImageTypeHEIF ImageType = C.HEIF
|
||||
ImageTypeBMP ImageType = C.BMP
|
||||
ImageTypeAVIF ImageType = C.AVIF
|
||||
ImageTypeJP2K ImageType = C.JP2K
|
||||
ImageTypeJXL ImageType = C.JXL
|
||||
ImageTypePSD ImageType = C.PSD
|
||||
)
|
||||
|
||||
// Types which should be deligated to ImageMagick loader
|
||||
var imageMagickTypes = map[ImageType]bool{
|
||||
ImageTypeBMP: true,
|
||||
ImageTypePSD: true,
|
||||
}
|
||||
|
||||
var imageTypeExtensionMap = map[ImageType]string{
|
||||
ImageTypeGIF: ".gif",
|
||||
ImageTypeJPEG: ".jpeg",
|
||||
ImageTypeMagick: ".magick",
|
||||
ImageTypePDF: ".pdf",
|
||||
ImageTypePNG: ".png",
|
||||
ImageTypeSVG: ".svg",
|
||||
ImageTypeTIFF: ".tiff",
|
||||
ImageTypeWEBP: ".webp",
|
||||
ImageTypeHEIF: ".heic",
|
||||
ImageTypeBMP: ".bmp",
|
||||
ImageTypeAVIF: ".avif",
|
||||
ImageTypeJP2K: ".jp2",
|
||||
ImageTypeJXL: ".jxl",
|
||||
ImageTypePSD: ".psd",
|
||||
}
|
||||
|
||||
// ImageTypes defines the various image types supported by govips
|
||||
var ImageTypes = map[ImageType]string{
|
||||
ImageTypeGIF: "gif",
|
||||
ImageTypeJPEG: "jpeg",
|
||||
ImageTypeMagick: "magick",
|
||||
ImageTypePDF: "pdf",
|
||||
ImageTypePNG: "png",
|
||||
ImageTypeSVG: "svg",
|
||||
ImageTypeTIFF: "tiff",
|
||||
ImageTypeWEBP: "webp",
|
||||
ImageTypeHEIF: "heif",
|
||||
ImageTypeBMP: "bmp",
|
||||
ImageTypeAVIF: "heif",
|
||||
ImageTypeJP2K: "jp2k",
|
||||
ImageTypeJXL: "jxl",
|
||||
ImageTypePSD: "psd",
|
||||
}
|
||||
|
||||
// TiffCompression represents method for compressing a tiff at export
|
||||
type TiffCompression int
|
||||
|
||||
// TiffCompression enum
|
||||
const (
|
||||
TiffCompressionNone TiffCompression = C.VIPS_FOREIGN_TIFF_COMPRESSION_NONE
|
||||
TiffCompressionJpeg TiffCompression = C.VIPS_FOREIGN_TIFF_COMPRESSION_JPEG
|
||||
TiffCompressionDeflate TiffCompression = C.VIPS_FOREIGN_TIFF_COMPRESSION_DEFLATE
|
||||
TiffCompressionPackbits TiffCompression = C.VIPS_FOREIGN_TIFF_COMPRESSION_PACKBITS
|
||||
TiffCompressionFax4 TiffCompression = C.VIPS_FOREIGN_TIFF_COMPRESSION_CCITTFAX4
|
||||
TiffCompressionLzw TiffCompression = C.VIPS_FOREIGN_TIFF_COMPRESSION_LZW
|
||||
TiffCompressionWebp TiffCompression = C.VIPS_FOREIGN_TIFF_COMPRESSION_WEBP
|
||||
TiffCompressionZstd TiffCompression = C.VIPS_FOREIGN_TIFF_COMPRESSION_ZSTD
|
||||
)
|
||||
|
||||
// TiffPredictor represents method for compressing a tiff at export
|
||||
type TiffPredictor int
|
||||
|
||||
// TiffPredictor enum
|
||||
const (
|
||||
TiffPredictorNone TiffPredictor = C.VIPS_FOREIGN_TIFF_PREDICTOR_NONE
|
||||
TiffPredictorHorizontal TiffPredictor = C.VIPS_FOREIGN_TIFF_PREDICTOR_HORIZONTAL
|
||||
TiffPredictorFloat TiffPredictor = C.VIPS_FOREIGN_TIFF_PREDICTOR_FLOAT
|
||||
)
|
||||
|
||||
// PngFilter represents filter algorithms that can be applied before compression.
|
||||
// See https://www.w3.org/TR/PNG-Filters.html
|
||||
type PngFilter int
|
||||
|
||||
// PngFilter enum
|
||||
const (
|
||||
PngFilterNone PngFilter = C.VIPS_FOREIGN_PNG_FILTER_NONE
|
||||
PngFilterSub PngFilter = C.VIPS_FOREIGN_PNG_FILTER_SUB
|
||||
PngFilterUo PngFilter = C.VIPS_FOREIGN_PNG_FILTER_UP
|
||||
PngFilterAvg PngFilter = C.VIPS_FOREIGN_PNG_FILTER_AVG
|
||||
PngFilterPaeth PngFilter = C.VIPS_FOREIGN_PNG_FILTER_PAETH
|
||||
PngFilterAll PngFilter = C.VIPS_FOREIGN_PNG_FILTER_ALL
|
||||
)
|
||||
|
||||
// Access represents how libvips opens files.
|
||||
// See https://www.libvips.org/API/current/How-it-opens-files.html
|
||||
const (
|
||||
AccessRandom int = C.VIPS_ACCESS_RANDOM
|
||||
AccessSequential int = C.VIPS_ACCESS_SEQUENTIAL
|
||||
AccessSequentialUnbuffered int = C.VIPS_ACCESS_SEQUENTIAL_UNBUFFERED
|
||||
AccessLast int = C.VIPS_ACCESS_LAST
|
||||
)
|
||||
|
||||
// FileExt returns the canonical extension for the ImageType
|
||||
func (i ImageType) FileExt() string {
|
||||
if ext, ok := imageTypeExtensionMap[i]; ok {
|
||||
return ext
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
// IsTypeSupported checks whether given image type is supported by govips
|
||||
func IsTypeSupported(imageType ImageType) bool {
|
||||
if err := startupIfNeeded(); err != nil {
|
||||
govipsLog("govips", LogLevelError, fmt.Sprintf("failed to start vips: %v", err))
|
||||
return false
|
||||
}
|
||||
|
||||
// BMP is supported via the magick loader
|
||||
if imageType == ImageTypeBMP {
|
||||
return supportedImageTypes[ImageTypeMagick]
|
||||
}
|
||||
|
||||
return supportedImageTypes[imageType]
|
||||
}
|
||||
|
||||
// DetermineImageType attempts to determine the image type of the given buffer
|
||||
func DetermineImageType(buf []byte) ImageType {
|
||||
if len(buf) < 12 {
|
||||
return ImageTypeUnknown
|
||||
} else if isJPEG(buf) {
|
||||
return ImageTypeJPEG
|
||||
} else if isPNG(buf) {
|
||||
return ImageTypePNG
|
||||
} else if isGIF(buf) {
|
||||
return ImageTypeGIF
|
||||
} else if isTIFF(buf) {
|
||||
return ImageTypeTIFF
|
||||
} else if isWEBP(buf) {
|
||||
return ImageTypeWEBP
|
||||
} else if isAVIF(buf) {
|
||||
return ImageTypeAVIF
|
||||
} else if isHEIF(buf) {
|
||||
return ImageTypeHEIF
|
||||
} else if isSVG(buf) {
|
||||
return ImageTypeSVG
|
||||
} else if isBMP(buf) {
|
||||
return ImageTypeBMP
|
||||
} else if isJP2K(buf) {
|
||||
return ImageTypeJP2K
|
||||
} else if isJXL(buf) {
|
||||
return ImageTypeJXL
|
||||
} else if isPDF(buf) {
|
||||
return ImageTypePDF
|
||||
} else if isICO(buf) {
|
||||
return ImageTypeMagick
|
||||
} else if isPSD(buf) {
|
||||
return ImageTypePSD
|
||||
} else {
|
||||
return ImageTypeUnknown
|
||||
}
|
||||
}
|
||||
|
||||
var jpeg = []byte("\xFF\xD8\xFF")
|
||||
|
||||
func isJPEG(buf []byte) bool {
|
||||
return bytes.HasPrefix(buf, jpeg)
|
||||
}
|
||||
|
||||
var gifHeader = []byte("\x47\x49\x46")
|
||||
|
||||
func isGIF(buf []byte) bool {
|
||||
return bytes.HasPrefix(buf, gifHeader)
|
||||
}
|
||||
|
||||
var pngHeader = []byte("\x89\x50\x4E\x47")
|
||||
|
||||
func isPNG(buf []byte) bool {
|
||||
return bytes.HasPrefix(buf, pngHeader)
|
||||
}
|
||||
|
||||
var tifII = []byte("\x49\x49\x2A\x00")
|
||||
var tifMM = []byte("\x4D\x4D\x00\x2A")
|
||||
|
||||
func isTIFF(buf []byte) bool {
|
||||
return bytes.HasPrefix(buf, tifII) || bytes.HasPrefix(buf, tifMM)
|
||||
}
|
||||
|
||||
var webpHeader = []byte("\x57\x45\x42\x50")
|
||||
|
||||
func isWEBP(buf []byte) bool {
|
||||
return bytes.Equal(buf[8:12], webpHeader)
|
||||
}
|
||||
|
||||
// https://github.com/strukturag/libheif/blob/master/libheif/heif.cc
|
||||
var ftyp = []byte("ftyp")
|
||||
var heic = []byte("heic")
|
||||
var heix = []byte("heix")
|
||||
var heim = []byte("heim")
|
||||
var heis = []byte("heis")
|
||||
var mif1 = []byte("mif1")
|
||||
var msf1 = []byte("msf1")
|
||||
var avif = []byte("avif")
|
||||
var avis = []byte("avis")
|
||||
|
||||
func isHEIF(buf []byte) bool {
|
||||
return bytes.Equal(buf[4:8], ftyp) && (bytes.Equal(buf[8:12], heic) ||
|
||||
bytes.Equal(buf[8:12], heix) ||
|
||||
bytes.Equal(buf[8:12], heim) ||
|
||||
bytes.Equal(buf[8:12], heis) ||
|
||||
bytes.Equal(buf[8:12], mif1) ||
|
||||
bytes.Equal(buf[8:12], msf1)) ||
|
||||
isAVIF(buf)
|
||||
}
|
||||
|
||||
func isAVIF(buf []byte) bool {
|
||||
return bytes.Equal(buf[4:8], ftyp) &&
|
||||
(bytes.Equal(buf[8:12], avif) || bytes.Equal(buf[8:12], avis))
|
||||
}
|
||||
|
||||
var svg = []byte("<svg")
|
||||
|
||||
func isSVG(buf []byte) bool {
|
||||
sub := buf[:int(math.Min(1024.0, float64(len(buf))))]
|
||||
if bytes.Contains(sub, svg) {
|
||||
data := &struct {
|
||||
XMLName xml.Name `xml:"svg"`
|
||||
}{}
|
||||
reader := bytes.NewReader(buf)
|
||||
decoder := xml.NewDecoder(reader)
|
||||
decoder.Strict = false
|
||||
decoder.CharsetReader = charset.NewReaderLabel
|
||||
|
||||
err := decoder.Decode(data)
|
||||
|
||||
return err == nil && data.XMLName.Local == "svg"
|
||||
}
|
||||
|
||||
return false
|
||||
}
|
||||
|
||||
var pdf = []byte("\x25\x50\x44\x46")
|
||||
|
||||
func isPDF(buf []byte) bool {
|
||||
if len(buf) <= 1024 {
|
||||
return bytes.Contains(buf, pdf)
|
||||
}
|
||||
return bytes.Contains(buf[:1024], pdf)
|
||||
}
|
||||
|
||||
var bmpHeader = []byte("BM")
|
||||
|
||||
func isBMP(buf []byte) bool {
|
||||
return bytes.HasPrefix(buf, bmpHeader)
|
||||
}
|
||||
|
||||
// X'0000 000C 6A50 2020 0D0A 870A'
|
||||
var jp2kHeader = []byte("\x00\x00\x00\x0C\x6A\x50\x20\x20\x0D\x0A\x87\x0A")
|
||||
|
||||
// https://datatracker.ietf.org/doc/html/rfc3745
|
||||
func isJP2K(buf []byte) bool {
|
||||
return bytes.HasPrefix(buf, jp2kHeader)
|
||||
}
|
||||
|
||||
// As a 'naked' codestream
|
||||
var jxlHeader = []byte("\xff\x0a")
|
||||
|
||||
// As an ISOBMFF-based container: 0x0000000C 4A584C20 0D0A870A
|
||||
var jxlHeaderISOBMFF = []byte("\x00\x00\x00\x0C\x4A\x58\x4C\x20\x0D\x0A\x87\x0A")
|
||||
|
||||
func isJXL(buf []byte) bool {
|
||||
if len(buf) >= 2 && buf[0] == 0xFF && buf[1] == 0x0A {
|
||||
return true
|
||||
}
|
||||
if len(buf) >= 8 && bytes.Equal(buf[4:8], []byte("JXL ")) {
|
||||
return true
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
var icoHeader = []byte("\x00\x00\x01\x00")
|
||||
|
||||
func isICO(buf []byte) bool {
|
||||
return bytes.HasPrefix(buf, icoHeader)
|
||||
}
|
||||
|
||||
var psdHeader = []byte("\x38\x42\x50\x53")
|
||||
|
||||
func isPSD(buf []byte) bool {
|
||||
return bytes.HasPrefix(buf, psdHeader)
|
||||
}
|
||||
|
||||
func isNeedToChangeLoaderToMagick(t ImageType) bool {
|
||||
return imageMagickTypes[t]
|
||||
}
|
||||
|
||||
func vipsLoadFromBuffer(buf []byte, params *ImportParams) (*C.VipsImage, ImageType, ImageType, error) {
|
||||
src := buf
|
||||
// Reference src here so it's not garbage collected during image initialization.
|
||||
defer runtime.KeepAlive(src)
|
||||
|
||||
originalType := DetermineImageType(src)
|
||||
currentType := originalType
|
||||
|
||||
// Map image types which are not supported by libvips itself to ImageMagick
|
||||
if isNeedToChangeLoaderToMagick(originalType) {
|
||||
currentType = ImageTypeMagick
|
||||
}
|
||||
|
||||
if !IsTypeSupported(currentType) {
|
||||
govipsLog("govips", LogLevelInfo, fmt.Sprintf("failed to understand image format size=%d", len(src)))
|
||||
return nil, currentType, originalType, ErrUnsupportedImageFormat
|
||||
}
|
||||
|
||||
importParams := createImportParams(currentType, params)
|
||||
|
||||
if err := C.load_from_buffer(&importParams, unsafe.Pointer(&src[0]), C.size_t(len(src))); err != 0 {
|
||||
return nil, currentType, originalType, handleImageError(importParams.outputImage)
|
||||
}
|
||||
|
||||
return importParams.outputImage, currentType, originalType, nil
|
||||
}
|
||||
|
||||
func maybeSetBoolParam(p BoolParameter, cp *C.Param) {
|
||||
if p.IsSet() {
|
||||
C.set_bool_param(cp, toGboolean(p.Get()))
|
||||
}
|
||||
}
|
||||
|
||||
func maybeSetIntParam(p IntParameter, cp *C.Param) {
|
||||
if p.IsSet() {
|
||||
C.set_int_param(cp, C.int(p.Get()))
|
||||
}
|
||||
}
|
||||
|
||||
func maybeSetDoubleParam(p Float64Parameter, cp *C.Param) {
|
||||
if p.IsSet() {
|
||||
C.set_double_param(cp, C.gdouble(p.Get()))
|
||||
}
|
||||
}
|
||||
|
||||
func createImportParams(format ImageType, params *ImportParams) C.LoadParams {
|
||||
p := C.create_load_params(C.ImageType(format))
|
||||
|
||||
maybeSetBoolParam(params.AutoRotate, &p.autorotate)
|
||||
maybeSetBoolParam(params.FailOnError, &p.fail)
|
||||
maybeSetIntParam(params.Page, &p.page)
|
||||
maybeSetIntParam(params.NumPages, &p.n)
|
||||
maybeSetIntParam(params.JpegShrinkFactor, &p.jpegShrink)
|
||||
maybeSetDoubleParam(params.WebpScaleFactor, &p.webpScale)
|
||||
maybeSetBoolParam(params.HeifThumbnail, &p.heifThumbnail)
|
||||
maybeSetBoolParam(params.SvgUnlimited, &p.svgUnlimited)
|
||||
maybeSetIntParam(params.Access, &p.access)
|
||||
|
||||
if params.Density.IsSet() {
|
||||
C.set_double_param(&p.dpi, C.gdouble(params.Density.Get()))
|
||||
}
|
||||
return p
|
||||
}
|
||||
|
||||
func vipsSaveJPEGToBuffer(in *C.VipsImage, params JpegExportParams) ([]byte, error) {
|
||||
incOpCounter("save_jpeg_buffer")
|
||||
|
||||
p := C.create_save_params(C.JPEG)
|
||||
p.inputImage = in
|
||||
p.stripMetadata = C.int(boolToInt(params.StripMetadata))
|
||||
p.quality = C.int(params.Quality)
|
||||
p.interlace = C.int(boolToInt(params.Interlace))
|
||||
p.jpegOptimizeCoding = C.int(boolToInt(params.OptimizeCoding))
|
||||
p.jpegSubsample = C.VipsForeignSubsample(params.SubsampleMode)
|
||||
p.jpegTrellisQuant = C.int(boolToInt(params.TrellisQuant))
|
||||
p.jpegOvershootDeringing = C.int(boolToInt(params.OvershootDeringing))
|
||||
p.jpegOptimizeScans = C.int(boolToInt(params.OptimizeScans))
|
||||
p.jpegQuantTable = C.int(params.QuantTable)
|
||||
|
||||
return vipsSaveToBuffer(p)
|
||||
}
|
||||
|
||||
func vipsSavePNGToBuffer(in *C.VipsImage, params PngExportParams) ([]byte, error) {
|
||||
incOpCounter("save_png_buffer")
|
||||
|
||||
p := C.create_save_params(C.PNG)
|
||||
p.inputImage = in
|
||||
p.quality = C.int(params.Quality)
|
||||
p.stripMetadata = C.int(boolToInt(params.StripMetadata))
|
||||
p.interlace = C.int(boolToInt(params.Interlace))
|
||||
p.pngCompression = C.int(params.Compression)
|
||||
p.pngFilter = C.VipsForeignPngFilter(params.Filter)
|
||||
p.pngPalette = C.int(boolToInt(params.Palette))
|
||||
p.pngDither = C.double(params.Dither)
|
||||
p.pngBitdepth = C.int(params.Bitdepth)
|
||||
|
||||
return vipsSaveToBuffer(p)
|
||||
}
|
||||
|
||||
func vipsSaveWebPToBuffer(in *C.VipsImage, params WebpExportParams) ([]byte, error) {
|
||||
incOpCounter("save_webp_buffer")
|
||||
|
||||
p := C.create_save_params(C.WEBP)
|
||||
p.inputImage = in
|
||||
p.stripMetadata = C.int(boolToInt(params.StripMetadata))
|
||||
p.quality = C.int(params.Quality)
|
||||
p.webpLossless = C.int(boolToInt(params.Lossless))
|
||||
p.webpNearLossless = C.int(boolToInt(params.NearLossless))
|
||||
p.webpReductionEffort = C.int(params.ReductionEffort)
|
||||
p.webpMinSize = C.int(boolToInt(params.MinSize))
|
||||
p.webpKMin = C.int(params.MinKeyFrames)
|
||||
p.webpKMax = C.int(params.MaxKeyFrames)
|
||||
|
||||
if params.IccProfile != "" {
|
||||
p.webpIccProfile = C.CString(params.IccProfile)
|
||||
defer C.free(unsafe.Pointer(p.webpIccProfile))
|
||||
}
|
||||
|
||||
return vipsSaveToBuffer(p)
|
||||
}
|
||||
|
||||
func vipsSaveTIFFToBuffer(in *C.VipsImage, params TiffExportParams) ([]byte, error) {
|
||||
incOpCounter("save_tiff_buffer")
|
||||
|
||||
p := C.create_save_params(C.TIFF)
|
||||
p.inputImage = in
|
||||
p.stripMetadata = C.int(boolToInt(params.StripMetadata))
|
||||
p.quality = C.int(params.Quality)
|
||||
p.tiffCompression = C.VipsForeignTiffCompression(params.Compression)
|
||||
p.tiffPyramid = C.int(boolToInt(params.Pyramid))
|
||||
p.tiffTile = C.int(boolToInt(params.Tile))
|
||||
tileHeight := params.TileHeight
|
||||
tileWidth := params.TileWidth
|
||||
if tileHeight <= 0 {
|
||||
tileHeight = 256
|
||||
}
|
||||
if tileWidth <= 0 {
|
||||
tileWidth = 256
|
||||
}
|
||||
p.tiffTileHeight = C.int(tileHeight)
|
||||
p.tiffTileWidth = C.int(tileWidth)
|
||||
|
||||
return vipsSaveToBuffer(p)
|
||||
}
|
||||
|
||||
func vipsSaveHEIFToBuffer(in *C.VipsImage, params HeifExportParams) ([]byte, error) {
|
||||
incOpCounter("save_heif_buffer")
|
||||
|
||||
p := C.create_save_params(C.HEIF)
|
||||
p.inputImage = in
|
||||
p.outputFormat = C.HEIF
|
||||
p.quality = C.int(params.Quality)
|
||||
p.heifLossless = C.int(boolToInt(params.Lossless))
|
||||
p.heifBitdepth = C.int(params.Bitdepth)
|
||||
p.heifEffort = C.int(params.Effort)
|
||||
|
||||
return vipsSaveToBuffer(p)
|
||||
}
|
||||
|
||||
func vipsSaveAVIFToBuffer(in *C.VipsImage, params AvifExportParams) ([]byte, error) {
|
||||
incOpCounter("save_heif_buffer")
|
||||
|
||||
// Speed was deprecated but we want to avoid breaking code that still uses it:
|
||||
effort := params.Effort
|
||||
if params.Speed != 0 {
|
||||
effort = params.Speed
|
||||
}
|
||||
|
||||
p := C.create_save_params(C.AVIF)
|
||||
p.inputImage = in
|
||||
p.stripMetadata = C.int(boolToInt(params.StripMetadata))
|
||||
p.outputFormat = C.AVIF
|
||||
p.quality = C.int(params.Quality)
|
||||
p.heifLossless = C.int(boolToInt(params.Lossless))
|
||||
p.heifBitdepth = C.int(params.Bitdepth)
|
||||
p.heifEffort = C.int(effort)
|
||||
|
||||
return vipsSaveToBuffer(p)
|
||||
}
|
||||
|
||||
func vipsSaveJP2KToBuffer(in *C.VipsImage, params Jp2kExportParams) ([]byte, error) {
|
||||
incOpCounter("save_jp2k_buffer")
|
||||
|
||||
p := C.create_save_params(C.JP2K)
|
||||
p.inputImage = in
|
||||
p.outputFormat = C.JP2K
|
||||
p.quality = C.int(params.Quality)
|
||||
p.jp2kLossless = C.int(boolToInt(params.Lossless))
|
||||
p.jp2kTileWidth = C.int(params.TileWidth)
|
||||
p.jp2kTileHeight = C.int(params.TileHeight)
|
||||
p.jpegSubsample = C.VipsForeignSubsample(params.SubsampleMode)
|
||||
|
||||
return vipsSaveToBuffer(p)
|
||||
}
|
||||
|
||||
func vipsSaveGIFToBuffer(in *C.VipsImage, params GifExportParams) ([]byte, error) {
|
||||
incOpCounter("save_gif_buffer")
|
||||
|
||||
p := C.create_save_params(C.GIF)
|
||||
p.inputImage = in
|
||||
p.quality = C.int(params.Quality)
|
||||
p.gifDither = C.double(params.Dither)
|
||||
p.gifEffort = C.int(params.Effort)
|
||||
p.gifBitdepth = C.int(params.Bitdepth)
|
||||
|
||||
return vipsSaveToBuffer(p)
|
||||
}
|
||||
|
||||
func vipsSaveJxlToBuffer(in *C.VipsImage, params JxlExportParams) ([]byte, error) {
|
||||
incOpCounter("save_jxl_buffer")
|
||||
|
||||
p := C.create_save_params(C.JXL)
|
||||
p.inputImage = in
|
||||
p.outputFormat = C.JXL
|
||||
p.quality = C.int(params.Quality)
|
||||
p.jxlLossless = C.int(boolToInt(params.Lossless))
|
||||
p.jxlTier = C.int(params.Tier)
|
||||
p.jxlDistance = C.double(params.Distance)
|
||||
p.jxlEffort = C.int(params.Effort)
|
||||
|
||||
return vipsSaveToBuffer(p)
|
||||
}
|
||||
|
||||
func vipsSaveMagickToBuffer(in *C.VipsImage, params MagickExportParams) ([]byte, error) {
|
||||
incOpCounter("save_magick_buffer")
|
||||
|
||||
if params.Format == "" {
|
||||
return nil, errors.New("magick format required")
|
||||
}
|
||||
p := C.create_save_params(C.MAGICK)
|
||||
p.inputImage = in
|
||||
p.outputFormat = C.MAGICK
|
||||
p.quality = C.int(params.Quality)
|
||||
p.magickFormat = C.CString(params.Format)
|
||||
p.magickOptimizeGifFrames = C.int(boolToInt(params.OptimizeGifFrames))
|
||||
p.magickOptimizeGifTransparency = C.int(boolToInt(params.OptimizeGifTransparency))
|
||||
p.magickBitDepth = C.int(params.BitDepth)
|
||||
|
||||
return vipsSaveToBuffer(p)
|
||||
}
|
||||
|
||||
func vipsSaveToBuffer(params C.struct_SaveParams) ([]byte, error) {
|
||||
if err := C.save_to_buffer(¶ms); err != 0 {
|
||||
return nil, handleSaveBufferError(params.outputBuffer)
|
||||
}
|
||||
|
||||
buf := C.GoBytes(params.outputBuffer, C.int(params.outputLen))
|
||||
defer gFreePointer(params.outputBuffer)
|
||||
|
||||
return buf, nil
|
||||
}
|
||||
+150
@@ -0,0 +1,150 @@
|
||||
// https://libvips.github.io/libvips/API/current/VipsForeignSave.html
|
||||
|
||||
// clang-format off
|
||||
// include order matters
|
||||
#include <stdlib.h>
|
||||
|
||||
#include <vips/vips.h>
|
||||
#include <vips/foreign.h>
|
||||
// clang-format n
|
||||
|
||||
#ifndef BOOL
|
||||
#define BOOL int
|
||||
#endif
|
||||
|
||||
typedef enum types {
|
||||
UNKNOWN = 0,
|
||||
JPEG,
|
||||
WEBP,
|
||||
PNG,
|
||||
TIFF,
|
||||
GIF,
|
||||
PDF,
|
||||
SVG,
|
||||
MAGICK,
|
||||
HEIF,
|
||||
BMP,
|
||||
AVIF,
|
||||
JP2K,
|
||||
JXL,
|
||||
PSD,
|
||||
} ImageType;
|
||||
|
||||
typedef enum ParamType {
|
||||
PARAM_TYPE_NULL,
|
||||
PARAM_TYPE_BOOL,
|
||||
PARAM_TYPE_INT,
|
||||
PARAM_TYPE_DOUBLE,
|
||||
} ParamType;
|
||||
|
||||
typedef struct Param {
|
||||
ParamType type;
|
||||
|
||||
union Value {
|
||||
gboolean b;
|
||||
gint i;
|
||||
gdouble d;
|
||||
} value;
|
||||
|
||||
gboolean is_set;
|
||||
|
||||
} Param;
|
||||
|
||||
void set_bool_param(Param *p, gboolean b);
|
||||
void set_int_param(Param *p, gint i);
|
||||
void set_double_param(Param *p, gdouble d);
|
||||
|
||||
typedef struct LoadParams {
|
||||
ImageType inputFormat;
|
||||
VipsBlob *inputBlob;
|
||||
VipsImage *outputImage;
|
||||
|
||||
Param autorotate;
|
||||
Param fail;
|
||||
Param page;
|
||||
Param n;
|
||||
Param dpi;
|
||||
Param jpegShrink;
|
||||
Param webpScale;
|
||||
Param heifThumbnail;
|
||||
Param svgUnlimited;
|
||||
Param access;
|
||||
|
||||
} LoadParams;
|
||||
|
||||
LoadParams create_load_params(ImageType inputFormat);
|
||||
int load_from_buffer(LoadParams *params, void *buf, size_t len);
|
||||
|
||||
typedef struct SaveParams {
|
||||
VipsImage *inputImage;
|
||||
void *outputBuffer;
|
||||
ImageType outputFormat;
|
||||
size_t outputLen;
|
||||
|
||||
BOOL stripMetadata;
|
||||
int quality;
|
||||
BOOL interlace;
|
||||
|
||||
// JPEG
|
||||
BOOL jpegOptimizeCoding;
|
||||
VipsForeignSubsample jpegSubsample;
|
||||
BOOL jpegTrellisQuant;
|
||||
BOOL jpegOvershootDeringing;
|
||||
BOOL jpegOptimizeScans;
|
||||
int jpegQuantTable;
|
||||
|
||||
// PNG
|
||||
int pngCompression;
|
||||
VipsForeignPngFilter pngFilter;
|
||||
BOOL pngPalette;
|
||||
double pngDither;
|
||||
int pngBitdepth;
|
||||
|
||||
// GIF (with CGIF)
|
||||
double gifDither;
|
||||
int gifEffort;
|
||||
int gifBitdepth;
|
||||
|
||||
// WEBP
|
||||
BOOL webpLossless;
|
||||
BOOL webpNearLossless;
|
||||
int webpReductionEffort;
|
||||
char *webpIccProfile;
|
||||
BOOL webpMinSize;
|
||||
int webpKMin;
|
||||
int webpKMax;
|
||||
|
||||
// HEIF - https://github.com/libvips/libvips/blob/master/libvips/foreign/heifsave.c#L71
|
||||
int heifBitdepth; // Bitdepth to save at for >8 bit images
|
||||
BOOL heifLossless; // Lossless compression
|
||||
int heifEffort; // CPU effort (0 - 9)
|
||||
|
||||
// TIFF
|
||||
VipsForeignTiffCompression tiffCompression;
|
||||
VipsForeignTiffPredictor tiffPredictor;
|
||||
BOOL tiffPyramid;
|
||||
BOOL tiffTile;
|
||||
int tiffTileHeight;
|
||||
int tiffTileWidth;
|
||||
|
||||
// JPEG2000
|
||||
BOOL jp2kLossless;
|
||||
int jp2kTileWidth;
|
||||
int jp2kTileHeight;
|
||||
|
||||
// JXL
|
||||
int jxlTier;
|
||||
double jxlDistance;
|
||||
int jxlEffort;
|
||||
BOOL jxlLossless;
|
||||
|
||||
// MAGICK
|
||||
char *magickFormat;
|
||||
BOOL magickOptimizeGifFrames;
|
||||
BOOL magickOptimizeGifTransparency;
|
||||
int magickBitDepth;
|
||||
} SaveParams;
|
||||
|
||||
SaveParams create_save_params(ImageType outputFormat);
|
||||
int save_to_buffer(SaveParams *params);
|
||||
|
||||
+139
@@ -0,0 +1,139 @@
|
||||
// Code generated by vipsgen. DO NOT EDIT.
|
||||
//
|
||||
// Enum types needed by generated code that are not yet defined in the
|
||||
// hand-written codebase. These will move to gen_enums.go in Phase 4.
|
||||
|
||||
package vips
|
||||
|
||||
// #include <vips/vips.h>
|
||||
import "C"
|
||||
|
||||
// Precision represents VipsPrecision for controlling computation precision.
|
||||
type Precision int
|
||||
|
||||
const (
|
||||
PrecisionInteger Precision = C.VIPS_PRECISION_INTEGER
|
||||
PrecisionFloat Precision = C.VIPS_PRECISION_FLOAT
|
||||
PrecisionApproximate Precision = C.VIPS_PRECISION_APPROXIMATE
|
||||
)
|
||||
|
||||
// Combine represents VipsCombine for combining operations.
|
||||
type Combine int
|
||||
|
||||
const (
|
||||
CombineMax Combine = C.VIPS_COMBINE_MAX
|
||||
CombineSum Combine = C.VIPS_COMBINE_SUM
|
||||
CombineMin Combine = C.VIPS_COMBINE_MIN
|
||||
)
|
||||
|
||||
// CombineMode represents VipsCombineMode for draw combine operations.
|
||||
type CombineMode int
|
||||
|
||||
const (
|
||||
CombineModeSet CombineMode = C.VIPS_COMBINE_MODE_SET
|
||||
CombineModeAdd CombineMode = C.VIPS_COMBINE_MODE_ADD
|
||||
)
|
||||
|
||||
// OperationBoolean represents VipsOperationBoolean for boolean operations.
|
||||
type OperationBoolean int
|
||||
|
||||
const (
|
||||
OperationBooleanAnd OperationBoolean = C.VIPS_OPERATION_BOOLEAN_AND
|
||||
OperationBooleanOr OperationBoolean = C.VIPS_OPERATION_BOOLEAN_OR
|
||||
OperationBooleanEor OperationBoolean = C.VIPS_OPERATION_BOOLEAN_EOR
|
||||
OperationBooleanLshift OperationBoolean = C.VIPS_OPERATION_BOOLEAN_LSHIFT
|
||||
OperationBooleanRshift OperationBoolean = C.VIPS_OPERATION_BOOLEAN_RSHIFT
|
||||
)
|
||||
|
||||
// OperationComplex represents VipsOperationComplex for complex operations.
|
||||
type OperationComplex int
|
||||
|
||||
const (
|
||||
OperationComplexPolar OperationComplex = C.VIPS_OPERATION_COMPLEX_POLAR
|
||||
OperationComplexRect OperationComplex = C.VIPS_OPERATION_COMPLEX_RECT
|
||||
OperationComplexConj OperationComplex = C.VIPS_OPERATION_COMPLEX_CONJ
|
||||
)
|
||||
|
||||
// OperationComplex2 represents VipsOperationComplex2 for binary complex operations.
|
||||
type OperationComplex2 int
|
||||
|
||||
const (
|
||||
OperationComplex2CrossPhase OperationComplex2 = C.VIPS_OPERATION_COMPLEX2_CROSS_PHASE
|
||||
)
|
||||
|
||||
// OperationComplexget represents VipsOperationComplexget for getting complex components.
|
||||
type OperationComplexget int
|
||||
|
||||
const (
|
||||
OperationComplexgetReal OperationComplexget = C.VIPS_OPERATION_COMPLEXGET_REAL
|
||||
OperationComplexgetImag OperationComplexget = C.VIPS_OPERATION_COMPLEXGET_IMAG
|
||||
)
|
||||
|
||||
// OperationMath represents VipsOperationMath for math operations.
|
||||
type OperationMath int
|
||||
|
||||
const (
|
||||
OperationMathSin OperationMath = C.VIPS_OPERATION_MATH_SIN
|
||||
OperationMathCos OperationMath = C.VIPS_OPERATION_MATH_COS
|
||||
OperationMathTan OperationMath = C.VIPS_OPERATION_MATH_TAN
|
||||
OperationMathAsin OperationMath = C.VIPS_OPERATION_MATH_ASIN
|
||||
OperationMathAcos OperationMath = C.VIPS_OPERATION_MATH_ACOS
|
||||
OperationMathAtan OperationMath = C.VIPS_OPERATION_MATH_ATAN
|
||||
OperationMathLog OperationMath = C.VIPS_OPERATION_MATH_LOG
|
||||
OperationMathLog10 OperationMath = C.VIPS_OPERATION_MATH_LOG10
|
||||
OperationMathExp OperationMath = C.VIPS_OPERATION_MATH_EXP
|
||||
OperationMathExp10 OperationMath = C.VIPS_OPERATION_MATH_EXP10
|
||||
)
|
||||
|
||||
// OperationMath2 represents VipsOperationMath2 for binary math operations.
|
||||
type OperationMath2 int
|
||||
|
||||
const (
|
||||
OperationMath2Pow OperationMath2 = C.VIPS_OPERATION_MATH2_POW
|
||||
OperationMath2Wop OperationMath2 = C.VIPS_OPERATION_MATH2_WOP
|
||||
OperationMath2Atan2 OperationMath2 = C.VIPS_OPERATION_MATH2_ATAN2
|
||||
)
|
||||
|
||||
// OperationRelational represents VipsOperationRelational for relational operations.
|
||||
type OperationRelational int
|
||||
|
||||
const (
|
||||
OperationRelationalEqual OperationRelational = C.VIPS_OPERATION_RELATIONAL_EQUAL
|
||||
OperationRelationalNoteq OperationRelational = C.VIPS_OPERATION_RELATIONAL_NOTEQ
|
||||
OperationRelationalLess OperationRelational = C.VIPS_OPERATION_RELATIONAL_LESS
|
||||
OperationRelationalLesseq OperationRelational = C.VIPS_OPERATION_RELATIONAL_LESSEQ
|
||||
OperationRelationalMore OperationRelational = C.VIPS_OPERATION_RELATIONAL_MORE
|
||||
OperationRelationalMoreeq OperationRelational = C.VIPS_OPERATION_RELATIONAL_MOREEQ
|
||||
)
|
||||
|
||||
// OperationRound represents VipsOperationRound for rounding operations.
|
||||
type OperationRound int
|
||||
|
||||
const (
|
||||
OperationRoundRint OperationRound = C.VIPS_OPERATION_ROUND_RINT
|
||||
OperationRoundCeil OperationRound = C.VIPS_OPERATION_ROUND_CEIL
|
||||
OperationRoundFloor OperationRound = C.VIPS_OPERATION_ROUND_FLOOR
|
||||
)
|
||||
|
||||
// OperationMorphology represents VipsOperationMorphology for morphological operations.
|
||||
type OperationMorphology int
|
||||
|
||||
const (
|
||||
OperationMorphologyErode OperationMorphology = C.VIPS_OPERATION_MORPHOLOGY_ERODE
|
||||
OperationMorphologyDilate OperationMorphology = C.VIPS_OPERATION_MORPHOLOGY_DILATE
|
||||
)
|
||||
|
||||
// FailOn represents VipsFailOn for controlling error handling on load.
|
||||
type FailOn int
|
||||
|
||||
const (
|
||||
FailOnNone FailOn = C.VIPS_FAIL_ON_NONE
|
||||
FailOnTruncated FailOn = C.VIPS_FAIL_ON_TRUNCATED
|
||||
FailOnError FailOn = C.VIPS_FAIL_ON_ERROR
|
||||
FailOnWarning FailOn = C.VIPS_FAIL_ON_WARNING
|
||||
)
|
||||
|
||||
// ForeignKeep represents VipsForeignKeep flags for controlling metadata retention.
|
||||
type ForeignKeep int
|
||||
|
||||
// Note: ForeignKeep is a flags (bitmask) type. Values combined with |.
|
||||
+3
@@ -0,0 +1,3 @@
|
||||
package vips
|
||||
|
||||
//go:generate go run ../cmd/vipsgen --generate --output=.
|
||||
+5228
File diff suppressed because it is too large
Load Diff
+5001
File diff suppressed because it is too large
Load Diff
+1181
File diff suppressed because it is too large
Load Diff
+27
@@ -0,0 +1,27 @@
|
||||
#include "govips.h"
|
||||
|
||||
static void govips_logging_handler(const gchar *log_domain,
|
||||
GLogLevelFlags log_level,
|
||||
const gchar *message, gpointer user_data) {
|
||||
govipsLoggingHandler((char *)log_domain, (int)log_level, (char *)message);
|
||||
}
|
||||
|
||||
static void null_logging_handler(const gchar *log_domain,
|
||||
GLogLevelFlags log_level, const gchar *message,
|
||||
gpointer user_data) {}
|
||||
|
||||
void vips_set_logging_handler(void) {
|
||||
g_log_set_default_handler(govips_logging_handler, NULL);
|
||||
}
|
||||
|
||||
void vips_unset_logging_handler(void) {
|
||||
g_log_set_default_handler(null_logging_handler, NULL);
|
||||
}
|
||||
|
||||
/* This function skips the Govips logging handler and logs
|
||||
directly to stdout. To be used only for testing and debugging.
|
||||
Needed for CI because of a Go macOS bug which doesn't clean cgo callbacks on
|
||||
exit. */
|
||||
void vips_default_logging_handler(void) {
|
||||
g_log_set_default_handler(g_log_default_handler, NULL);
|
||||
}
|
||||
+288
@@ -0,0 +1,288 @@
|
||||
// Package vips provides go bindings for libvips, a fast image processing library.
|
||||
package vips
|
||||
|
||||
// #cgo pkg-config: vips
|
||||
// #include <vips/vips.h>
|
||||
// #include "govips.h"
|
||||
import "C"
|
||||
import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"os"
|
||||
"runtime"
|
||||
"strings"
|
||||
"sync"
|
||||
"sync/atomic"
|
||||
"testing"
|
||||
)
|
||||
|
||||
const (
|
||||
defaultConcurrencyLevel = 1
|
||||
defaultMaxCacheMem = 50 * 1024 * 1024
|
||||
defaultMaxCacheSize = 100
|
||||
defaultMaxCacheFiles = 0
|
||||
)
|
||||
|
||||
var (
|
||||
// Version is the full libvips version string (x.y.z)
|
||||
Version = C.GoString(C.vips_version_string())
|
||||
|
||||
// MajorVersion is the libvips major component of the version string (x in x.y.z)
|
||||
MajorVersion = int(C.vips_version(0))
|
||||
|
||||
// MinorVersion is the libvips minor component of the version string (y in x.y.z)
|
||||
MinorVersion = int(C.vips_version(1))
|
||||
|
||||
// MicroVersion is the libvips micro component of the version string (z in x.y.z)
|
||||
// Also known as patch version
|
||||
MicroVersion = int(C.vips_version(2))
|
||||
|
||||
running = false
|
||||
hasShutdown = false
|
||||
initLock sync.Mutex
|
||||
statCollectorDone chan struct{}
|
||||
once sync.Once
|
||||
typeLoaders = make(map[string]ImageType)
|
||||
supportedImageTypes = make(map[ImageType]bool)
|
||||
)
|
||||
|
||||
// Config allows fine-tuning of libvips library
|
||||
type Config struct {
|
||||
ConcurrencyLevel int
|
||||
MaxCacheFiles int
|
||||
MaxCacheMem int
|
||||
MaxCacheSize int
|
||||
ReportLeaks bool
|
||||
CacheTrace bool
|
||||
CollectStats bool
|
||||
}
|
||||
|
||||
// Startup sets up the libvips support and ensures the versions are correct. Pass in nil for
|
||||
// default configuration.
|
||||
func Startup(config *Config) error {
|
||||
if hasShutdown {
|
||||
return errors.New("govips cannot be stopped and restarted")
|
||||
}
|
||||
|
||||
initLock.Lock()
|
||||
defer initLock.Unlock()
|
||||
|
||||
runtime.LockOSThread()
|
||||
defer runtime.UnlockOSThread()
|
||||
|
||||
if running {
|
||||
govipsLog("govips", LogLevelInfo, "warning libvips already started")
|
||||
return nil
|
||||
}
|
||||
|
||||
if MajorVersion < 8 {
|
||||
return errors.New("govips requires libvips version 8.10+")
|
||||
}
|
||||
|
||||
if MajorVersion == 8 && MinorVersion < 10 {
|
||||
return errors.New("govips requires libvips version 8.10+")
|
||||
}
|
||||
|
||||
cName := C.CString("govips")
|
||||
defer freeCString(cName)
|
||||
|
||||
// Initialize govips logging handler and verbosity filter to historical default
|
||||
if !currentLoggingOverridden {
|
||||
govipsLoggingSettings(nil, LogLevelInfo)
|
||||
}
|
||||
|
||||
// Override default glib logging handler to intercept logging messages
|
||||
enableLogging()
|
||||
|
||||
err := C.vips_init(cName)
|
||||
if err != 0 {
|
||||
return fmt.Errorf("failed to start vips code=%v", err)
|
||||
}
|
||||
|
||||
running = true
|
||||
|
||||
if config != nil {
|
||||
if config.CollectStats {
|
||||
statCollectorDone = collectStats()
|
||||
}
|
||||
|
||||
C.vips_leak_set(toGboolean(config.ReportLeaks))
|
||||
|
||||
if config.ConcurrencyLevel >= 0 {
|
||||
C.vips_concurrency_set(C.int(config.ConcurrencyLevel))
|
||||
} else {
|
||||
C.vips_concurrency_set(defaultConcurrencyLevel)
|
||||
}
|
||||
|
||||
if config.MaxCacheFiles >= 0 {
|
||||
C.vips_cache_set_max_files(C.int(config.MaxCacheFiles))
|
||||
} else {
|
||||
C.vips_cache_set_max_files(defaultMaxCacheFiles)
|
||||
}
|
||||
|
||||
if config.MaxCacheMem >= 0 {
|
||||
C.vips_cache_set_max_mem(C.size_t(config.MaxCacheMem))
|
||||
} else {
|
||||
C.vips_cache_set_max_mem(defaultMaxCacheMem)
|
||||
}
|
||||
|
||||
if config.MaxCacheSize >= 0 {
|
||||
C.vips_cache_set_max(C.int(config.MaxCacheSize))
|
||||
} else {
|
||||
C.vips_cache_set_max(defaultMaxCacheSize)
|
||||
}
|
||||
|
||||
C.vips_cache_set_trace(toGboolean(config.CacheTrace))
|
||||
} else {
|
||||
C.vips_concurrency_set(defaultConcurrencyLevel)
|
||||
C.vips_cache_set_max(defaultMaxCacheSize)
|
||||
C.vips_cache_set_max_mem(defaultMaxCacheMem)
|
||||
C.vips_cache_set_max_files(defaultMaxCacheFiles)
|
||||
C.vips_cache_set_trace(toGboolean(false))
|
||||
}
|
||||
|
||||
govipsLog("govips", LogLevelInfo, fmt.Sprintf("vips %s started with concurrency=%d cache_max_files=%d cache_max_mem=%d cache_max=%d",
|
||||
Version,
|
||||
int(C.vips_concurrency_get()),
|
||||
int(C.vips_cache_get_max_files()),
|
||||
int(C.vips_cache_get_max_mem()),
|
||||
int(C.vips_cache_get_max())))
|
||||
|
||||
initTypes()
|
||||
return nil
|
||||
}
|
||||
|
||||
func enableLogging() {
|
||||
C.vips_set_logging_handler()
|
||||
}
|
||||
|
||||
func disableLogging() {
|
||||
C.vips_unset_logging_handler()
|
||||
}
|
||||
|
||||
// consoleLogging overrides the Govips logging handler and makes glib
|
||||
// use its default logging handler which outputs everything to console.
|
||||
// Needed for CI unit testing due to a macOS bug in Go (doesn't clean cgo callbacks on exit)
|
||||
func consoleLogging() {
|
||||
C.vips_default_logging_handler()
|
||||
}
|
||||
|
||||
// Shutdown libvips
|
||||
func Shutdown() {
|
||||
hasShutdown = true
|
||||
|
||||
if statCollectorDone != nil {
|
||||
statCollectorDone <- struct{}{}
|
||||
}
|
||||
|
||||
initLock.Lock()
|
||||
defer initLock.Unlock()
|
||||
|
||||
runtime.LockOSThread()
|
||||
defer runtime.UnlockOSThread()
|
||||
|
||||
if !running {
|
||||
govipsLog("govips", LogLevelInfo, "warning libvips not started")
|
||||
return
|
||||
}
|
||||
|
||||
if temporaryDirectory != "" {
|
||||
os.RemoveAll(temporaryDirectory)
|
||||
}
|
||||
|
||||
C.vips_shutdown()
|
||||
disableLogging()
|
||||
running = false
|
||||
}
|
||||
|
||||
// ShutdownThread clears the cache for for the given thread. This needs to be
|
||||
// called when a thread using vips exits.
|
||||
func ShutdownThread() {
|
||||
C.vips_thread_shutdown()
|
||||
}
|
||||
|
||||
// ClearCache drops the whole operation cache, handy for leak tracking.
|
||||
func ClearCache() {
|
||||
C.vips_cache_drop_all()
|
||||
}
|
||||
|
||||
// PrintCache prints the whole operation cache to stdout for debugging purposes.
|
||||
func PrintCache() {
|
||||
C.vips_cache_print()
|
||||
}
|
||||
|
||||
// PrintObjectReport outputs all of the current internal objects in libvips
|
||||
func PrintObjectReport(label string) {
|
||||
govipsLog("govips", LogLevelInfo, fmt.Sprintf("\n=======================================\nvips live objects: %s...\n", label))
|
||||
C.vips_object_print_all()
|
||||
govipsLog("govips", LogLevelInfo, "=======================================\n\n")
|
||||
}
|
||||
|
||||
// MemoryStats is a data structure that houses various memory statistics from ReadVipsMemStats()
|
||||
type MemoryStats struct {
|
||||
Mem int64
|
||||
MemHigh int64
|
||||
Files int64
|
||||
Allocs int64
|
||||
}
|
||||
|
||||
var openImageRefs atomic.Int64
|
||||
|
||||
// OpenImageRefs returns the number of ImageRef instances that haven't been closed.
|
||||
func OpenImageRefs() int64 {
|
||||
return openImageRefs.Load()
|
||||
}
|
||||
|
||||
// AssertNoLeaks fails the test if any ImageRef instances remain open.
|
||||
// Call this at the end of tests to catch leaked images.
|
||||
func AssertNoLeaks(t testing.TB) {
|
||||
t.Helper()
|
||||
n := openImageRefs.Load()
|
||||
if n != 0 {
|
||||
t.Errorf("govips: %d ImageRef(s) not closed (leaked)", n)
|
||||
}
|
||||
}
|
||||
|
||||
// ReadVipsMemStats returns various memory statistics such as allocated memory and open files.
|
||||
func ReadVipsMemStats(stats *MemoryStats) {
|
||||
stats.Mem = int64(C.vips_tracked_get_mem())
|
||||
stats.MemHigh = int64(C.vips_tracked_get_mem_highwater())
|
||||
stats.Allocs = int64(C.vips_tracked_get_allocs())
|
||||
stats.Files = int64(C.vips_tracked_get_files())
|
||||
}
|
||||
|
||||
func startupIfNeeded() error {
|
||||
if !running {
|
||||
govipsLog("govips", LogLevelInfo, "libvips was forcibly started automatically, consider calling Startup/Shutdown yourself")
|
||||
if err := Startup(nil); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// InitTypes initializes caches and figures out which image types are supported
|
||||
func initTypes() {
|
||||
once.Do(func() {
|
||||
cType := C.CString("VipsOperation")
|
||||
defer freeCString(cType)
|
||||
|
||||
for k, v := range ImageTypes {
|
||||
name := strings.ToLower("VipsForeignLoad" + v)
|
||||
typeLoaders[name] = k
|
||||
typeLoaders[name+"buffer"] = k
|
||||
|
||||
cFunc := C.CString(v + "load")
|
||||
//noinspection GoDeferInLoop
|
||||
defer freeCString(cFunc)
|
||||
|
||||
ret := C.vips_type_find(cType, cFunc)
|
||||
|
||||
supportedImageTypes[k] = int(ret) != 0
|
||||
|
||||
if supportedImageTypes[k] {
|
||||
govipsLog("govips", LogLevelInfo, fmt.Sprintf("registered image type loader type=%s", v))
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
+26
@@ -0,0 +1,26 @@
|
||||
|
||||
// clang-format off
|
||||
// include order matters
|
||||
#include <stdlib.h>
|
||||
#include <glib.h>
|
||||
#include <vips/vips.h>
|
||||
// clang-format on
|
||||
|
||||
#if (VIPS_MAJOR_VERSION < 8)
|
||||
error_requires_version_8
|
||||
#endif
|
||||
|
||||
extern void
|
||||
govipsLoggingHandler(char *log_domain, int log_level, char *message);
|
||||
|
||||
static void govips_logging_handler(const gchar *log_domain,
|
||||
GLogLevelFlags log_level,
|
||||
const gchar *message, gpointer user_data);
|
||||
|
||||
static void null_logging_handler(const gchar *log_domain,
|
||||
GLogLevelFlags log_level, const gchar *message,
|
||||
gpointer user_data);
|
||||
|
||||
void vips_set_logging_handler(void);
|
||||
void vips_unset_logging_handler(void);
|
||||
void vips_default_logging_handler(void);
|
||||
+724
@@ -0,0 +1,724 @@
|
||||
package vips
|
||||
|
||||
import (
|
||||
"os"
|
||||
"path/filepath"
|
||||
"sync"
|
||||
)
|
||||
|
||||
var (
|
||||
// ATTRIBUTION:
|
||||
// The following micro icc profile taken from: https://github.com/saucecontrol/Compact-ICC-Profiles.
|
||||
// Read more (very interesting): https://photosauce.net/blog/post/making-a-minimal-srgb-icc-profile-part-1-trim-the-fat-abuse-the-spec
|
||||
sRGBV2MicroICCProfile = []byte{
|
||||
0x00, 0x00, 0x01, 0xc8, 0x6c, 0x63, 0x6d, 0x73, 0x02, 0x10, 0x00, 0x00,
|
||||
0x6d, 0x6e, 0x74, 0x72, 0x52, 0x47, 0x42, 0x20, 0x58, 0x59, 0x5a, 0x20,
|
||||
0x07, 0xe2, 0x00, 0x03, 0x00, 0x14, 0x00, 0x09, 0x00, 0x0e, 0x00, 0x1d,
|
||||
0x61, 0x63, 0x73, 0x70, 0x4d, 0x53, 0x46, 0x54, 0x00, 0x00, 0x00, 0x00,
|
||||
0x73, 0x61, 0x77, 0x73, 0x63, 0x74, 0x72, 0x6c, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf6, 0xd6,
|
||||
0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0xd3, 0x2d, 0x68, 0x61, 0x6e, 0x64,
|
||||
0x9d, 0x91, 0x00, 0x3d, 0x40, 0x80, 0xb0, 0x3d, 0x40, 0x74, 0x2c, 0x81,
|
||||
0x9e, 0xa5, 0x22, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x09,
|
||||
0x64, 0x65, 0x73, 0x63, 0x00, 0x00, 0x00, 0xf0, 0x00, 0x00, 0x00, 0x5f,
|
||||
0x63, 0x70, 0x72, 0x74, 0x00, 0x00, 0x01, 0x0c, 0x00, 0x00, 0x00, 0x0c,
|
||||
0x77, 0x74, 0x70, 0x74, 0x00, 0x00, 0x01, 0x18, 0x00, 0x00, 0x00, 0x14,
|
||||
0x72, 0x58, 0x59, 0x5a, 0x00, 0x00, 0x01, 0x2c, 0x00, 0x00, 0x00, 0x14,
|
||||
0x67, 0x58, 0x59, 0x5a, 0x00, 0x00, 0x01, 0x40, 0x00, 0x00, 0x00, 0x14,
|
||||
0x62, 0x58, 0x59, 0x5a, 0x00, 0x00, 0x01, 0x54, 0x00, 0x00, 0x00, 0x14,
|
||||
0x72, 0x54, 0x52, 0x43, 0x00, 0x00, 0x01, 0x68, 0x00, 0x00, 0x00, 0x60,
|
||||
0x67, 0x54, 0x52, 0x43, 0x00, 0x00, 0x01, 0x68, 0x00, 0x00, 0x00, 0x60,
|
||||
0x62, 0x54, 0x52, 0x43, 0x00, 0x00, 0x01, 0x68, 0x00, 0x00, 0x00, 0x60,
|
||||
0x64, 0x65, 0x73, 0x63, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
|
||||
0x75, 0x52, 0x47, 0x42, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x74, 0x65, 0x78, 0x74, 0x00, 0x00, 0x00, 0x00,
|
||||
0x43, 0x43, 0x30, 0x00, 0x58, 0x59, 0x5a, 0x20, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0xf3, 0x54, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x16, 0xc9,
|
||||
0x58, 0x59, 0x5a, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6f, 0xa0,
|
||||
0x00, 0x00, 0x38, 0xf2, 0x00, 0x00, 0x03, 0x8f, 0x58, 0x59, 0x5a, 0x20,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x62, 0x96, 0x00, 0x00, 0xb7, 0x89,
|
||||
0x00, 0x00, 0x18, 0xda, 0x58, 0x59, 0x5a, 0x20, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x24, 0xa0, 0x00, 0x00, 0x0f, 0x85, 0x00, 0x00, 0xb6, 0xc4,
|
||||
0x63, 0x75, 0x72, 0x76, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2a,
|
||||
0x00, 0x00, 0x00, 0x7c, 0x00, 0xf8, 0x01, 0x9c, 0x02, 0x75, 0x03, 0x83,
|
||||
0x04, 0xc9, 0x06, 0x4e, 0x08, 0x12, 0x0a, 0x18, 0x0c, 0x62, 0x0e, 0xf4,
|
||||
0x11, 0xcf, 0x14, 0xf6, 0x18, 0x6a, 0x1c, 0x2e, 0x20, 0x43, 0x24, 0xac,
|
||||
0x29, 0x6a, 0x2e, 0x7e, 0x33, 0xeb, 0x39, 0xb3, 0x3f, 0xd6, 0x46, 0x57,
|
||||
0x4d, 0x36, 0x54, 0x76, 0x5c, 0x17, 0x64, 0x1d, 0x6c, 0x86, 0x75, 0x56,
|
||||
0x7e, 0x8d, 0x88, 0x2c, 0x92, 0x36, 0x9c, 0xab, 0xa7, 0x8c, 0xb2, 0xdb,
|
||||
0xbe, 0x99, 0xca, 0xc7, 0xd7, 0x65, 0xe4, 0x77, 0xf1, 0xf9, 0xff, 0xff,
|
||||
}
|
||||
|
||||
// ATTRIBUTION:
|
||||
// The following micro icc profile taken from: https://github.com/saucecontrol/Compact-ICC-Profiles.
|
||||
// Read more (very interesting): https://photosauce.net/blog/post/making-a-minimal-srgb-icc-profile-part-1-trim-the-fat-abuse-the-spec
|
||||
sGrayV2MicroICCProfile = []byte{
|
||||
0x00, 0x00, 0x01, 0x50, 0x6c, 0x63, 0x6d, 0x73, 0x02, 0x10, 0x00, 0x00,
|
||||
0x6d, 0x6e, 0x74, 0x72, 0x47, 0x52, 0x41, 0x59, 0x58, 0x59, 0x5a, 0x20,
|
||||
0x07, 0xe2, 0x00, 0x03, 0x00, 0x14, 0x00, 0x09, 0x00, 0x0e, 0x00, 0x1d,
|
||||
0x61, 0x63, 0x73, 0x70, 0x4d, 0x53, 0x46, 0x54, 0x00, 0x00, 0x00, 0x00,
|
||||
0x73, 0x61, 0x77, 0x73, 0x63, 0x74, 0x72, 0x6c, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf6, 0xd6,
|
||||
0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0xd3, 0x2d, 0x68, 0x61, 0x6e, 0x64,
|
||||
0x05, 0xd2, 0x02, 0xa7, 0xf9, 0xdd, 0x47, 0x94, 0xc7, 0x4f, 0x4c, 0x5f,
|
||||
0x26, 0x82, 0x3a, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04,
|
||||
0x64, 0x65, 0x73, 0x63, 0x00, 0x00, 0x00, 0xb4, 0x00, 0x00, 0x00, 0x5f,
|
||||
0x63, 0x70, 0x72, 0x74, 0x00, 0x00, 0x00, 0xd0, 0x00, 0x00, 0x00, 0x0c,
|
||||
0x77, 0x74, 0x70, 0x74, 0x00, 0x00, 0x00, 0xdc, 0x00, 0x00, 0x00, 0x14,
|
||||
0x6b, 0x54, 0x52, 0x43, 0x00, 0x00, 0x00, 0xf0, 0x00, 0x00, 0x00, 0x60,
|
||||
0x64, 0x65, 0x73, 0x63, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
|
||||
0x75, 0x47, 0x72, 0x79, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x74, 0x65, 0x78, 0x74, 0x00, 0x00, 0x00, 0x00,
|
||||
0x43, 0x43, 0x30, 0x00, 0x58, 0x59, 0x5a, 0x20, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0xf3, 0x54, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x16, 0xc9,
|
||||
0x63, 0x75, 0x72, 0x76, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2a,
|
||||
0x00, 0x00, 0x00, 0x7c, 0x00, 0xf8, 0x01, 0x9c, 0x02, 0x75, 0x03, 0x83,
|
||||
0x04, 0xc9, 0x06, 0x4e, 0x08, 0x12, 0x0a, 0x18, 0x0c, 0x62, 0x0e, 0xf4,
|
||||
0x11, 0xcf, 0x14, 0xf6, 0x18, 0x6a, 0x1c, 0x2e, 0x20, 0x43, 0x24, 0xac,
|
||||
0x29, 0x6a, 0x2e, 0x7e, 0x33, 0xeb, 0x39, 0xb3, 0x3f, 0xd6, 0x46, 0x57,
|
||||
0x4d, 0x36, 0x54, 0x76, 0x5c, 0x17, 0x64, 0x1d, 0x6c, 0x86, 0x75, 0x56,
|
||||
0x7e, 0x8d, 0x88, 0x2c, 0x92, 0x36, 0x9c, 0xab, 0xa7, 0x8c, 0xb2, 0xdb,
|
||||
0xbe, 0x99, 0xca, 0xc7, 0xd7, 0x65, 0xe4, 0x77, 0xf1, 0xf9, 0xff, 0xff,
|
||||
}
|
||||
|
||||
sRGBIEC6196621ICCProfile = []byte{
|
||||
0x00, 0x00, 0x0b, 0xe8, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
|
||||
0x6d, 0x6e, 0x74, 0x72, 0x52, 0x47, 0x42, 0x20, 0x58, 0x59, 0x5a, 0x20,
|
||||
0x07, 0xd9, 0x00, 0x03, 0x00, 0x1b, 0x00, 0x15, 0x00, 0x24, 0x00, 0x1f,
|
||||
0x61, 0x63, 0x73, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf6, 0xd6,
|
||||
0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0xd3, 0x2d, 0x00, 0x00, 0x00, 0x00,
|
||||
0x29, 0xf8, 0x3d, 0xde, 0xaf, 0xf2, 0x55, 0xae, 0x78, 0x42, 0xfa, 0xe4,
|
||||
0xca, 0x83, 0x39, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10,
|
||||
0x64, 0x65, 0x73, 0x63, 0x00, 0x00, 0x01, 0x44, 0x00, 0x00, 0x00, 0x79,
|
||||
0x62, 0x58, 0x59, 0x5a, 0x00, 0x00, 0x01, 0xc0, 0x00, 0x00, 0x00, 0x14,
|
||||
0x62, 0x54, 0x52, 0x43, 0x00, 0x00, 0x01, 0xd4, 0x00, 0x00, 0x08, 0x0c,
|
||||
0x64, 0x6d, 0x64, 0x64, 0x00, 0x00, 0x09, 0xe0, 0x00, 0x00, 0x00, 0x88,
|
||||
0x67, 0x58, 0x59, 0x5a, 0x00, 0x00, 0x0a, 0x68, 0x00, 0x00, 0x00, 0x14,
|
||||
0x67, 0x54, 0x52, 0x43, 0x00, 0x00, 0x01, 0xd4, 0x00, 0x00, 0x08, 0x0c,
|
||||
0x6c, 0x75, 0x6d, 0x69, 0x00, 0x00, 0x0a, 0x7c, 0x00, 0x00, 0x00, 0x14,
|
||||
0x6d, 0x65, 0x61, 0x73, 0x00, 0x00, 0x0a, 0x90, 0x00, 0x00, 0x00, 0x24,
|
||||
0x62, 0x6b, 0x70, 0x74, 0x00, 0x00, 0x0a, 0xb4, 0x00, 0x00, 0x00, 0x14,
|
||||
0x72, 0x58, 0x59, 0x5a, 0x00, 0x00, 0x0a, 0xc8, 0x00, 0x00, 0x00, 0x14,
|
||||
0x72, 0x54, 0x52, 0x43, 0x00, 0x00, 0x01, 0xd4, 0x00, 0x00, 0x08, 0x0c,
|
||||
0x74, 0x65, 0x63, 0x68, 0x00, 0x00, 0x0a, 0xdc, 0x00, 0x00, 0x00, 0x0c,
|
||||
0x76, 0x75, 0x65, 0x64, 0x00, 0x00, 0x0a, 0xe8, 0x00, 0x00, 0x00, 0x87,
|
||||
0x77, 0x74, 0x70, 0x74, 0x00, 0x00, 0x0b, 0x70, 0x00, 0x00, 0x00, 0x14,
|
||||
0x63, 0x70, 0x72, 0x74, 0x00, 0x00, 0x0b, 0x84, 0x00, 0x00, 0x00, 0x37,
|
||||
0x63, 0x68, 0x61, 0x64, 0x00, 0x00, 0x0b, 0xbc, 0x00, 0x00, 0x00, 0x2c,
|
||||
0x64, 0x65, 0x73, 0x63, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f,
|
||||
0x73, 0x52, 0x47, 0x42, 0x20, 0x49, 0x45, 0x43, 0x36, 0x31, 0x39, 0x36,
|
||||
0x36, 0x2d, 0x32, 0x2d, 0x31, 0x20, 0x62, 0x6c, 0x61, 0x63, 0x6b, 0x20,
|
||||
0x73, 0x63, 0x61, 0x6c, 0x65, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x58, 0x59, 0x5a, 0x20, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x24, 0xa0, 0x00, 0x00, 0x0f, 0x84, 0x00, 0x00, 0xb6, 0xcf,
|
||||
0x63, 0x75, 0x72, 0x76, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00,
|
||||
0x00, 0x00, 0x00, 0x05, 0x00, 0x0a, 0x00, 0x0f, 0x00, 0x14, 0x00, 0x19,
|
||||
0x00, 0x1e, 0x00, 0x23, 0x00, 0x28, 0x00, 0x2d, 0x00, 0x32, 0x00, 0x37,
|
||||
0x00, 0x3b, 0x00, 0x40, 0x00, 0x45, 0x00, 0x4a, 0x00, 0x4f, 0x00, 0x54,
|
||||
0x00, 0x59, 0x00, 0x5e, 0x00, 0x63, 0x00, 0x68, 0x00, 0x6d, 0x00, 0x72,
|
||||
0x00, 0x77, 0x00, 0x7c, 0x00, 0x81, 0x00, 0x86, 0x00, 0x8b, 0x00, 0x90,
|
||||
0x00, 0x95, 0x00, 0x9a, 0x00, 0x9f, 0x00, 0xa4, 0x00, 0xa9, 0x00, 0xae,
|
||||
0x00, 0xb2, 0x00, 0xb7, 0x00, 0xbc, 0x00, 0xc1, 0x00, 0xc6, 0x00, 0xcb,
|
||||
0x00, 0xd0, 0x00, 0xd5, 0x00, 0xdb, 0x00, 0xe0, 0x00, 0xe5, 0x00, 0xeb,
|
||||
0x00, 0xf0, 0x00, 0xf6, 0x00, 0xfb, 0x01, 0x01, 0x01, 0x07, 0x01, 0x0d,
|
||||
0x01, 0x13, 0x01, 0x19, 0x01, 0x1f, 0x01, 0x25, 0x01, 0x2b, 0x01, 0x32,
|
||||
0x01, 0x38, 0x01, 0x3e, 0x01, 0x45, 0x01, 0x4c, 0x01, 0x52, 0x01, 0x59,
|
||||
0x01, 0x60, 0x01, 0x67, 0x01, 0x6e, 0x01, 0x75, 0x01, 0x7c, 0x01, 0x83,
|
||||
0x01, 0x8b, 0x01, 0x92, 0x01, 0x9a, 0x01, 0xa1, 0x01, 0xa9, 0x01, 0xb1,
|
||||
0x01, 0xb9, 0x01, 0xc1, 0x01, 0xc9, 0x01, 0xd1, 0x01, 0xd9, 0x01, 0xe1,
|
||||
0x01, 0xe9, 0x01, 0xf2, 0x01, 0xfa, 0x02, 0x03, 0x02, 0x0c, 0x02, 0x14,
|
||||
0x02, 0x1d, 0x02, 0x26, 0x02, 0x2f, 0x02, 0x38, 0x02, 0x41, 0x02, 0x4b,
|
||||
0x02, 0x54, 0x02, 0x5d, 0x02, 0x67, 0x02, 0x71, 0x02, 0x7a, 0x02, 0x84,
|
||||
0x02, 0x8e, 0x02, 0x98, 0x02, 0xa2, 0x02, 0xac, 0x02, 0xb6, 0x02, 0xc1,
|
||||
0x02, 0xcb, 0x02, 0xd5, 0x02, 0xe0, 0x02, 0xeb, 0x02, 0xf5, 0x03, 0x00,
|
||||
0x03, 0x0b, 0x03, 0x16, 0x03, 0x21, 0x03, 0x2d, 0x03, 0x38, 0x03, 0x43,
|
||||
0x03, 0x4f, 0x03, 0x5a, 0x03, 0x66, 0x03, 0x72, 0x03, 0x7e, 0x03, 0x8a,
|
||||
0x03, 0x96, 0x03, 0xa2, 0x03, 0xae, 0x03, 0xba, 0x03, 0xc7, 0x03, 0xd3,
|
||||
0x03, 0xe0, 0x03, 0xec, 0x03, 0xf9, 0x04, 0x06, 0x04, 0x13, 0x04, 0x20,
|
||||
0x04, 0x2d, 0x04, 0x3b, 0x04, 0x48, 0x04, 0x55, 0x04, 0x63, 0x04, 0x71,
|
||||
0x04, 0x7e, 0x04, 0x8c, 0x04, 0x9a, 0x04, 0xa8, 0x04, 0xb6, 0x04, 0xc4,
|
||||
0x04, 0xd3, 0x04, 0xe1, 0x04, 0xf0, 0x04, 0xfe, 0x05, 0x0d, 0x05, 0x1c,
|
||||
0x05, 0x2b, 0x05, 0x3a, 0x05, 0x49, 0x05, 0x58, 0x05, 0x67, 0x05, 0x77,
|
||||
0x05, 0x86, 0x05, 0x96, 0x05, 0xa6, 0x05, 0xb5, 0x05, 0xc5, 0x05, 0xd5,
|
||||
0x05, 0xe5, 0x05, 0xf6, 0x06, 0x06, 0x06, 0x16, 0x06, 0x27, 0x06, 0x37,
|
||||
0x06, 0x48, 0x06, 0x59, 0x06, 0x6a, 0x06, 0x7b, 0x06, 0x8c, 0x06, 0x9d,
|
||||
0x06, 0xaf, 0x06, 0xc0, 0x06, 0xd1, 0x06, 0xe3, 0x06, 0xf5, 0x07, 0x07,
|
||||
0x07, 0x19, 0x07, 0x2b, 0x07, 0x3d, 0x07, 0x4f, 0x07, 0x61, 0x07, 0x74,
|
||||
0x07, 0x86, 0x07, 0x99, 0x07, 0xac, 0x07, 0xbf, 0x07, 0xd2, 0x07, 0xe5,
|
||||
0x07, 0xf8, 0x08, 0x0b, 0x08, 0x1f, 0x08, 0x32, 0x08, 0x46, 0x08, 0x5a,
|
||||
0x08, 0x6e, 0x08, 0x82, 0x08, 0x96, 0x08, 0xaa, 0x08, 0xbe, 0x08, 0xd2,
|
||||
0x08, 0xe7, 0x08, 0xfb, 0x09, 0x10, 0x09, 0x25, 0x09, 0x3a, 0x09, 0x4f,
|
||||
0x09, 0x64, 0x09, 0x79, 0x09, 0x8f, 0x09, 0xa4, 0x09, 0xba, 0x09, 0xcf,
|
||||
0x09, 0xe5, 0x09, 0xfb, 0x0a, 0x11, 0x0a, 0x27, 0x0a, 0x3d, 0x0a, 0x54,
|
||||
0x0a, 0x6a, 0x0a, 0x81, 0x0a, 0x98, 0x0a, 0xae, 0x0a, 0xc5, 0x0a, 0xdc,
|
||||
0x0a, 0xf3, 0x0b, 0x0b, 0x0b, 0x22, 0x0b, 0x39, 0x0b, 0x51, 0x0b, 0x69,
|
||||
0x0b, 0x80, 0x0b, 0x98, 0x0b, 0xb0, 0x0b, 0xc8, 0x0b, 0xe1, 0x0b, 0xf9,
|
||||
0x0c, 0x12, 0x0c, 0x2a, 0x0c, 0x43, 0x0c, 0x5c, 0x0c, 0x75, 0x0c, 0x8e,
|
||||
0x0c, 0xa7, 0x0c, 0xc0, 0x0c, 0xd9, 0x0c, 0xf3, 0x0d, 0x0d, 0x0d, 0x26,
|
||||
0x0d, 0x40, 0x0d, 0x5a, 0x0d, 0x74, 0x0d, 0x8e, 0x0d, 0xa9, 0x0d, 0xc3,
|
||||
0x0d, 0xde, 0x0d, 0xf8, 0x0e, 0x13, 0x0e, 0x2e, 0x0e, 0x49, 0x0e, 0x64,
|
||||
0x0e, 0x7f, 0x0e, 0x9b, 0x0e, 0xb6, 0x0e, 0xd2, 0x0e, 0xee, 0x0f, 0x09,
|
||||
0x0f, 0x25, 0x0f, 0x41, 0x0f, 0x5e, 0x0f, 0x7a, 0x0f, 0x96, 0x0f, 0xb3,
|
||||
0x0f, 0xcf, 0x0f, 0xec, 0x10, 0x09, 0x10, 0x26, 0x10, 0x43, 0x10, 0x61,
|
||||
0x10, 0x7e, 0x10, 0x9b, 0x10, 0xb9, 0x10, 0xd7, 0x10, 0xf5, 0x11, 0x13,
|
||||
0x11, 0x31, 0x11, 0x4f, 0x11, 0x6d, 0x11, 0x8c, 0x11, 0xaa, 0x11, 0xc9,
|
||||
0x11, 0xe8, 0x12, 0x07, 0x12, 0x26, 0x12, 0x45, 0x12, 0x64, 0x12, 0x84,
|
||||
0x12, 0xa3, 0x12, 0xc3, 0x12, 0xe3, 0x13, 0x03, 0x13, 0x23, 0x13, 0x43,
|
||||
0x13, 0x63, 0x13, 0x83, 0x13, 0xa4, 0x13, 0xc5, 0x13, 0xe5, 0x14, 0x06,
|
||||
0x14, 0x27, 0x14, 0x49, 0x14, 0x6a, 0x14, 0x8b, 0x14, 0xad, 0x14, 0xce,
|
||||
0x14, 0xf0, 0x15, 0x12, 0x15, 0x34, 0x15, 0x56, 0x15, 0x78, 0x15, 0x9b,
|
||||
0x15, 0xbd, 0x15, 0xe0, 0x16, 0x03, 0x16, 0x26, 0x16, 0x49, 0x16, 0x6c,
|
||||
0x16, 0x8f, 0x16, 0xb2, 0x16, 0xd6, 0x16, 0xfa, 0x17, 0x1d, 0x17, 0x41,
|
||||
0x17, 0x65, 0x17, 0x89, 0x17, 0xae, 0x17, 0xd2, 0x17, 0xf7, 0x18, 0x1b,
|
||||
0x18, 0x40, 0x18, 0x65, 0x18, 0x8a, 0x18, 0xaf, 0x18, 0xd5, 0x18, 0xfa,
|
||||
0x19, 0x20, 0x19, 0x45, 0x19, 0x6b, 0x19, 0x91, 0x19, 0xb7, 0x19, 0xdd,
|
||||
0x1a, 0x04, 0x1a, 0x2a, 0x1a, 0x51, 0x1a, 0x77, 0x1a, 0x9e, 0x1a, 0xc5,
|
||||
0x1a, 0xec, 0x1b, 0x14, 0x1b, 0x3b, 0x1b, 0x63, 0x1b, 0x8a, 0x1b, 0xb2,
|
||||
0x1b, 0xda, 0x1c, 0x02, 0x1c, 0x2a, 0x1c, 0x52, 0x1c, 0x7b, 0x1c, 0xa3,
|
||||
0x1c, 0xcc, 0x1c, 0xf5, 0x1d, 0x1e, 0x1d, 0x47, 0x1d, 0x70, 0x1d, 0x99,
|
||||
0x1d, 0xc3, 0x1d, 0xec, 0x1e, 0x16, 0x1e, 0x40, 0x1e, 0x6a, 0x1e, 0x94,
|
||||
0x1e, 0xbe, 0x1e, 0xe9, 0x1f, 0x13, 0x1f, 0x3e, 0x1f, 0x69, 0x1f, 0x94,
|
||||
0x1f, 0xbf, 0x1f, 0xea, 0x20, 0x15, 0x20, 0x41, 0x20, 0x6c, 0x20, 0x98,
|
||||
0x20, 0xc4, 0x20, 0xf0, 0x21, 0x1c, 0x21, 0x48, 0x21, 0x75, 0x21, 0xa1,
|
||||
0x21, 0xce, 0x21, 0xfb, 0x22, 0x27, 0x22, 0x55, 0x22, 0x82, 0x22, 0xaf,
|
||||
0x22, 0xdd, 0x23, 0x0a, 0x23, 0x38, 0x23, 0x66, 0x23, 0x94, 0x23, 0xc2,
|
||||
0x23, 0xf0, 0x24, 0x1f, 0x24, 0x4d, 0x24, 0x7c, 0x24, 0xab, 0x24, 0xda,
|
||||
0x25, 0x09, 0x25, 0x38, 0x25, 0x68, 0x25, 0x97, 0x25, 0xc7, 0x25, 0xf7,
|
||||
0x26, 0x27, 0x26, 0x57, 0x26, 0x87, 0x26, 0xb7, 0x26, 0xe8, 0x27, 0x18,
|
||||
0x27, 0x49, 0x27, 0x7a, 0x27, 0xab, 0x27, 0xdc, 0x28, 0x0d, 0x28, 0x3f,
|
||||
0x28, 0x71, 0x28, 0xa2, 0x28, 0xd4, 0x29, 0x06, 0x29, 0x38, 0x29, 0x6b,
|
||||
0x29, 0x9d, 0x29, 0xd0, 0x2a, 0x02, 0x2a, 0x35, 0x2a, 0x68, 0x2a, 0x9b,
|
||||
0x2a, 0xcf, 0x2b, 0x02, 0x2b, 0x36, 0x2b, 0x69, 0x2b, 0x9d, 0x2b, 0xd1,
|
||||
0x2c, 0x05, 0x2c, 0x39, 0x2c, 0x6e, 0x2c, 0xa2, 0x2c, 0xd7, 0x2d, 0x0c,
|
||||
0x2d, 0x41, 0x2d, 0x76, 0x2d, 0xab, 0x2d, 0xe1, 0x2e, 0x16, 0x2e, 0x4c,
|
||||
0x2e, 0x82, 0x2e, 0xb7, 0x2e, 0xee, 0x2f, 0x24, 0x2f, 0x5a, 0x2f, 0x91,
|
||||
0x2f, 0xc7, 0x2f, 0xfe, 0x30, 0x35, 0x30, 0x6c, 0x30, 0xa4, 0x30, 0xdb,
|
||||
0x31, 0x12, 0x31, 0x4a, 0x31, 0x82, 0x31, 0xba, 0x31, 0xf2, 0x32, 0x2a,
|
||||
0x32, 0x63, 0x32, 0x9b, 0x32, 0xd4, 0x33, 0x0d, 0x33, 0x46, 0x33, 0x7f,
|
||||
0x33, 0xb8, 0x33, 0xf1, 0x34, 0x2b, 0x34, 0x65, 0x34, 0x9e, 0x34, 0xd8,
|
||||
0x35, 0x13, 0x35, 0x4d, 0x35, 0x87, 0x35, 0xc2, 0x35, 0xfd, 0x36, 0x37,
|
||||
0x36, 0x72, 0x36, 0xae, 0x36, 0xe9, 0x37, 0x24, 0x37, 0x60, 0x37, 0x9c,
|
||||
0x37, 0xd7, 0x38, 0x14, 0x38, 0x50, 0x38, 0x8c, 0x38, 0xc8, 0x39, 0x05,
|
||||
0x39, 0x42, 0x39, 0x7f, 0x39, 0xbc, 0x39, 0xf9, 0x3a, 0x36, 0x3a, 0x74,
|
||||
0x3a, 0xb2, 0x3a, 0xef, 0x3b, 0x2d, 0x3b, 0x6b, 0x3b, 0xaa, 0x3b, 0xe8,
|
||||
0x3c, 0x27, 0x3c, 0x65, 0x3c, 0xa4, 0x3c, 0xe3, 0x3d, 0x22, 0x3d, 0x61,
|
||||
0x3d, 0xa1, 0x3d, 0xe0, 0x3e, 0x20, 0x3e, 0x60, 0x3e, 0xa0, 0x3e, 0xe0,
|
||||
0x3f, 0x21, 0x3f, 0x61, 0x3f, 0xa2, 0x3f, 0xe2, 0x40, 0x23, 0x40, 0x64,
|
||||
0x40, 0xa6, 0x40, 0xe7, 0x41, 0x29, 0x41, 0x6a, 0x41, 0xac, 0x41, 0xee,
|
||||
0x42, 0x30, 0x42, 0x72, 0x42, 0xb5, 0x42, 0xf7, 0x43, 0x3a, 0x43, 0x7d,
|
||||
0x43, 0xc0, 0x44, 0x03, 0x44, 0x47, 0x44, 0x8a, 0x44, 0xce, 0x45, 0x12,
|
||||
0x45, 0x55, 0x45, 0x9a, 0x45, 0xde, 0x46, 0x22, 0x46, 0x67, 0x46, 0xab,
|
||||
0x46, 0xf0, 0x47, 0x35, 0x47, 0x7b, 0x47, 0xc0, 0x48, 0x05, 0x48, 0x4b,
|
||||
0x48, 0x91, 0x48, 0xd7, 0x49, 0x1d, 0x49, 0x63, 0x49, 0xa9, 0x49, 0xf0,
|
||||
0x4a, 0x37, 0x4a, 0x7d, 0x4a, 0xc4, 0x4b, 0x0c, 0x4b, 0x53, 0x4b, 0x9a,
|
||||
0x4b, 0xe2, 0x4c, 0x2a, 0x4c, 0x72, 0x4c, 0xba, 0x4d, 0x02, 0x4d, 0x4a,
|
||||
0x4d, 0x93, 0x4d, 0xdc, 0x4e, 0x25, 0x4e, 0x6e, 0x4e, 0xb7, 0x4f, 0x00,
|
||||
0x4f, 0x49, 0x4f, 0x93, 0x4f, 0xdd, 0x50, 0x27, 0x50, 0x71, 0x50, 0xbb,
|
||||
0x51, 0x06, 0x51, 0x50, 0x51, 0x9b, 0x51, 0xe6, 0x52, 0x31, 0x52, 0x7c,
|
||||
0x52, 0xc7, 0x53, 0x13, 0x53, 0x5f, 0x53, 0xaa, 0x53, 0xf6, 0x54, 0x42,
|
||||
0x54, 0x8f, 0x54, 0xdb, 0x55, 0x28, 0x55, 0x75, 0x55, 0xc2, 0x56, 0x0f,
|
||||
0x56, 0x5c, 0x56, 0xa9, 0x56, 0xf7, 0x57, 0x44, 0x57, 0x92, 0x57, 0xe0,
|
||||
0x58, 0x2f, 0x58, 0x7d, 0x58, 0xcb, 0x59, 0x1a, 0x59, 0x69, 0x59, 0xb8,
|
||||
0x5a, 0x07, 0x5a, 0x56, 0x5a, 0xa6, 0x5a, 0xf5, 0x5b, 0x45, 0x5b, 0x95,
|
||||
0x5b, 0xe5, 0x5c, 0x35, 0x5c, 0x86, 0x5c, 0xd6, 0x5d, 0x27, 0x5d, 0x78,
|
||||
0x5d, 0xc9, 0x5e, 0x1a, 0x5e, 0x6c, 0x5e, 0xbd, 0x5f, 0x0f, 0x5f, 0x61,
|
||||
0x5f, 0xb3, 0x60, 0x05, 0x60, 0x57, 0x60, 0xaa, 0x60, 0xfc, 0x61, 0x4f,
|
||||
0x61, 0xa2, 0x61, 0xf5, 0x62, 0x49, 0x62, 0x9c, 0x62, 0xf0, 0x63, 0x43,
|
||||
0x63, 0x97, 0x63, 0xeb, 0x64, 0x40, 0x64, 0x94, 0x64, 0xe9, 0x65, 0x3d,
|
||||
0x65, 0x92, 0x65, 0xe7, 0x66, 0x3d, 0x66, 0x92, 0x66, 0xe8, 0x67, 0x3d,
|
||||
0x67, 0x93, 0x67, 0xe9, 0x68, 0x3f, 0x68, 0x96, 0x68, 0xec, 0x69, 0x43,
|
||||
0x69, 0x9a, 0x69, 0xf1, 0x6a, 0x48, 0x6a, 0x9f, 0x6a, 0xf7, 0x6b, 0x4f,
|
||||
0x6b, 0xa7, 0x6b, 0xff, 0x6c, 0x57, 0x6c, 0xaf, 0x6d, 0x08, 0x6d, 0x60,
|
||||
0x6d, 0xb9, 0x6e, 0x12, 0x6e, 0x6b, 0x6e, 0xc4, 0x6f, 0x1e, 0x6f, 0x78,
|
||||
0x6f, 0xd1, 0x70, 0x2b, 0x70, 0x86, 0x70, 0xe0, 0x71, 0x3a, 0x71, 0x95,
|
||||
0x71, 0xf0, 0x72, 0x4b, 0x72, 0xa6, 0x73, 0x01, 0x73, 0x5d, 0x73, 0xb8,
|
||||
0x74, 0x14, 0x74, 0x70, 0x74, 0xcc, 0x75, 0x28, 0x75, 0x85, 0x75, 0xe1,
|
||||
0x76, 0x3e, 0x76, 0x9b, 0x76, 0xf8, 0x77, 0x56, 0x77, 0xb3, 0x78, 0x11,
|
||||
0x78, 0x6e, 0x78, 0xcc, 0x79, 0x2a, 0x79, 0x89, 0x79, 0xe7, 0x7a, 0x46,
|
||||
0x7a, 0xa5, 0x7b, 0x04, 0x7b, 0x63, 0x7b, 0xc2, 0x7c, 0x21, 0x7c, 0x81,
|
||||
0x7c, 0xe1, 0x7d, 0x41, 0x7d, 0xa1, 0x7e, 0x01, 0x7e, 0x62, 0x7e, 0xc2,
|
||||
0x7f, 0x23, 0x7f, 0x84, 0x7f, 0xe5, 0x80, 0x47, 0x80, 0xa8, 0x81, 0x0a,
|
||||
0x81, 0x6b, 0x81, 0xcd, 0x82, 0x30, 0x82, 0x92, 0x82, 0xf4, 0x83, 0x57,
|
||||
0x83, 0xba, 0x84, 0x1d, 0x84, 0x80, 0x84, 0xe3, 0x85, 0x47, 0x85, 0xab,
|
||||
0x86, 0x0e, 0x86, 0x72, 0x86, 0xd7, 0x87, 0x3b, 0x87, 0x9f, 0x88, 0x04,
|
||||
0x88, 0x69, 0x88, 0xce, 0x89, 0x33, 0x89, 0x99, 0x89, 0xfe, 0x8a, 0x64,
|
||||
0x8a, 0xca, 0x8b, 0x30, 0x8b, 0x96, 0x8b, 0xfc, 0x8c, 0x63, 0x8c, 0xca,
|
||||
0x8d, 0x31, 0x8d, 0x98, 0x8d, 0xff, 0x8e, 0x66, 0x8e, 0xce, 0x8f, 0x36,
|
||||
0x8f, 0x9e, 0x90, 0x06, 0x90, 0x6e, 0x90, 0xd6, 0x91, 0x3f, 0x91, 0xa8,
|
||||
0x92, 0x11, 0x92, 0x7a, 0x92, 0xe3, 0x93, 0x4d, 0x93, 0xb6, 0x94, 0x20,
|
||||
0x94, 0x8a, 0x94, 0xf4, 0x95, 0x5f, 0x95, 0xc9, 0x96, 0x34, 0x96, 0x9f,
|
||||
0x97, 0x0a, 0x97, 0x75, 0x97, 0xe0, 0x98, 0x4c, 0x98, 0xb8, 0x99, 0x24,
|
||||
0x99, 0x90, 0x99, 0xfc, 0x9a, 0x68, 0x9a, 0xd5, 0x9b, 0x42, 0x9b, 0xaf,
|
||||
0x9c, 0x1c, 0x9c, 0x89, 0x9c, 0xf7, 0x9d, 0x64, 0x9d, 0xd2, 0x9e, 0x40,
|
||||
0x9e, 0xae, 0x9f, 0x1d, 0x9f, 0x8b, 0x9f, 0xfa, 0xa0, 0x69, 0xa0, 0xd8,
|
||||
0xa1, 0x47, 0xa1, 0xb6, 0xa2, 0x26, 0xa2, 0x96, 0xa3, 0x06, 0xa3, 0x76,
|
||||
0xa3, 0xe6, 0xa4, 0x56, 0xa4, 0xc7, 0xa5, 0x38, 0xa5, 0xa9, 0xa6, 0x1a,
|
||||
0xa6, 0x8b, 0xa6, 0xfd, 0xa7, 0x6e, 0xa7, 0xe0, 0xa8, 0x52, 0xa8, 0xc4,
|
||||
0xa9, 0x37, 0xa9, 0xa9, 0xaa, 0x1c, 0xaa, 0x8f, 0xab, 0x02, 0xab, 0x75,
|
||||
0xab, 0xe9, 0xac, 0x5c, 0xac, 0xd0, 0xad, 0x44, 0xad, 0xb8, 0xae, 0x2d,
|
||||
0xae, 0xa1, 0xaf, 0x16, 0xaf, 0x8b, 0xb0, 0x00, 0xb0, 0x75, 0xb0, 0xea,
|
||||
0xb1, 0x60, 0xb1, 0xd6, 0xb2, 0x4b, 0xb2, 0xc2, 0xb3, 0x38, 0xb3, 0xae,
|
||||
0xb4, 0x25, 0xb4, 0x9c, 0xb5, 0x13, 0xb5, 0x8a, 0xb6, 0x01, 0xb6, 0x79,
|
||||
0xb6, 0xf0, 0xb7, 0x68, 0xb7, 0xe0, 0xb8, 0x59, 0xb8, 0xd1, 0xb9, 0x4a,
|
||||
0xb9, 0xc2, 0xba, 0x3b, 0xba, 0xb5, 0xbb, 0x2e, 0xbb, 0xa7, 0xbc, 0x21,
|
||||
0xbc, 0x9b, 0xbd, 0x15, 0xbd, 0x8f, 0xbe, 0x0a, 0xbe, 0x84, 0xbe, 0xff,
|
||||
0xbf, 0x7a, 0xbf, 0xf5, 0xc0, 0x70, 0xc0, 0xec, 0xc1, 0x67, 0xc1, 0xe3,
|
||||
0xc2, 0x5f, 0xc2, 0xdb, 0xc3, 0x58, 0xc3, 0xd4, 0xc4, 0x51, 0xc4, 0xce,
|
||||
0xc5, 0x4b, 0xc5, 0xc8, 0xc6, 0x46, 0xc6, 0xc3, 0xc7, 0x41, 0xc7, 0xbf,
|
||||
0xc8, 0x3d, 0xc8, 0xbc, 0xc9, 0x3a, 0xc9, 0xb9, 0xca, 0x38, 0xca, 0xb7,
|
||||
0xcb, 0x36, 0xcb, 0xb6, 0xcc, 0x35, 0xcc, 0xb5, 0xcd, 0x35, 0xcd, 0xb5,
|
||||
0xce, 0x36, 0xce, 0xb6, 0xcf, 0x37, 0xcf, 0xb8, 0xd0, 0x39, 0xd0, 0xba,
|
||||
0xd1, 0x3c, 0xd1, 0xbe, 0xd2, 0x3f, 0xd2, 0xc1, 0xd3, 0x44, 0xd3, 0xc6,
|
||||
0xd4, 0x49, 0xd4, 0xcb, 0xd5, 0x4e, 0xd5, 0xd1, 0xd6, 0x55, 0xd6, 0xd8,
|
||||
0xd7, 0x5c, 0xd7, 0xe0, 0xd8, 0x64, 0xd8, 0xe8, 0xd9, 0x6c, 0xd9, 0xf1,
|
||||
0xda, 0x76, 0xda, 0xfb, 0xdb, 0x80, 0xdc, 0x05, 0xdc, 0x8a, 0xdd, 0x10,
|
||||
0xdd, 0x96, 0xde, 0x1c, 0xde, 0xa2, 0xdf, 0x29, 0xdf, 0xaf, 0xe0, 0x36,
|
||||
0xe0, 0xbd, 0xe1, 0x44, 0xe1, 0xcc, 0xe2, 0x53, 0xe2, 0xdb, 0xe3, 0x63,
|
||||
0xe3, 0xeb, 0xe4, 0x73, 0xe4, 0xfc, 0xe5, 0x84, 0xe6, 0x0d, 0xe6, 0x96,
|
||||
0xe7, 0x1f, 0xe7, 0xa9, 0xe8, 0x32, 0xe8, 0xbc, 0xe9, 0x46, 0xe9, 0xd0,
|
||||
0xea, 0x5b, 0xea, 0xe5, 0xeb, 0x70, 0xeb, 0xfb, 0xec, 0x86, 0xed, 0x11,
|
||||
0xed, 0x9c, 0xee, 0x28, 0xee, 0xb4, 0xef, 0x40, 0xef, 0xcc, 0xf0, 0x58,
|
||||
0xf0, 0xe5, 0xf1, 0x72, 0xf1, 0xff, 0xf2, 0x8c, 0xf3, 0x19, 0xf3, 0xa7,
|
||||
0xf4, 0x34, 0xf4, 0xc2, 0xf5, 0x50, 0xf5, 0xde, 0xf6, 0x6d, 0xf6, 0xfb,
|
||||
0xf7, 0x8a, 0xf8, 0x19, 0xf8, 0xa8, 0xf9, 0x38, 0xf9, 0xc7, 0xfa, 0x57,
|
||||
0xfa, 0xe7, 0xfb, 0x77, 0xfc, 0x07, 0xfc, 0x98, 0xfd, 0x29, 0xfd, 0xba,
|
||||
0xfe, 0x4b, 0xfe, 0xdc, 0xff, 0x6d, 0xff, 0xff, 0x64, 0x65, 0x73, 0x63,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2e, 0x49, 0x45, 0x43, 0x20,
|
||||
0x36, 0x31, 0x39, 0x36, 0x36, 0x2d, 0x32, 0x2d, 0x31, 0x20, 0x44, 0x65,
|
||||
0x66, 0x61, 0x75, 0x6c, 0x74, 0x20, 0x52, 0x47, 0x42, 0x20, 0x43, 0x6f,
|
||||
0x6c, 0x6f, 0x75, 0x72, 0x20, 0x53, 0x70, 0x61, 0x63, 0x65, 0x20, 0x2d,
|
||||
0x20, 0x73, 0x52, 0x47, 0x42, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x58, 0x59, 0x5a, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x62, 0x99,
|
||||
0x00, 0x00, 0xb7, 0x85, 0x00, 0x00, 0x18, 0xda, 0x58, 0x59, 0x5a, 0x20,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x6d, 0x65, 0x61, 0x73, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x02, 0x58, 0x59, 0x5a, 0x20, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x03, 0x16, 0x00, 0x00, 0x03, 0x33, 0x00, 0x00, 0x02, 0xa4,
|
||||
0x58, 0x59, 0x5a, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6f, 0xa2,
|
||||
0x00, 0x00, 0x38, 0xf5, 0x00, 0x00, 0x03, 0x90, 0x73, 0x69, 0x67, 0x20,
|
||||
0x00, 0x00, 0x00, 0x00, 0x43, 0x52, 0x54, 0x20, 0x64, 0x65, 0x73, 0x63,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2d, 0x52, 0x65, 0x66, 0x65,
|
||||
0x72, 0x65, 0x6e, 0x63, 0x65, 0x20, 0x56, 0x69, 0x65, 0x77, 0x69, 0x6e,
|
||||
0x67, 0x20, 0x43, 0x6f, 0x6e, 0x64, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x20,
|
||||
0x69, 0x6e, 0x20, 0x49, 0x45, 0x43, 0x20, 0x36, 0x31, 0x39, 0x36, 0x36,
|
||||
0x2d, 0x32, 0x2d, 0x31, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x58, 0x59, 0x5a, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf6, 0xd6,
|
||||
0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0xd3, 0x2d, 0x74, 0x65, 0x78, 0x74,
|
||||
0x00, 0x00, 0x00, 0x00, 0x43, 0x6f, 0x70, 0x79, 0x72, 0x69, 0x67, 0x68,
|
||||
0x74, 0x20, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x74, 0x69, 0x6f,
|
||||
0x6e, 0x61, 0x6c, 0x20, 0x43, 0x6f, 0x6c, 0x6f, 0x72, 0x20, 0x43, 0x6f,
|
||||
0x6e, 0x73, 0x6f, 0x72, 0x74, 0x69, 0x75, 0x6d, 0x2c, 0x20, 0x32, 0x30,
|
||||
0x30, 0x39, 0x00, 0x00, 0x73, 0x66, 0x33, 0x32, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x01, 0x0c, 0x44, 0x00, 0x00, 0x05, 0xdf, 0xff, 0xff, 0xf3, 0x26,
|
||||
0x00, 0x00, 0x07, 0x94, 0x00, 0x00, 0xfd, 0x8f, 0xff, 0xff, 0xfb, 0xa1,
|
||||
0xff, 0xff, 0xfd, 0xa2, 0x00, 0x00, 0x03, 0xdb, 0x00, 0x00, 0xc0, 0x75,
|
||||
}
|
||||
|
||||
genericGrayGamma22ICCProfile = []byte{
|
||||
0x00, 0x00, 0x0e, 0x04, 0x61, 0x70, 0x70, 0x6c, 0x02, 0x00, 0x00, 0x00,
|
||||
0x6d, 0x6e, 0x74, 0x72, 0x47, 0x52, 0x41, 0x59, 0x58, 0x59, 0x5a, 0x20,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x61, 0x63, 0x73, 0x70, 0x41, 0x50, 0x50, 0x4c, 0x00, 0x00, 0x00, 0x00,
|
||||
0x6e, 0x6f, 0x6e, 0x65, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf6, 0xd6,
|
||||
0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0xd3, 0x2d, 0x61, 0x70, 0x70, 0x6c,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
|
||||
0x6b, 0x54, 0x52, 0x43, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x08, 0x0c,
|
||||
0x77, 0x74, 0x70, 0x74, 0x00, 0x00, 0x08, 0xcc, 0x00, 0x00, 0x00, 0x14,
|
||||
0x63, 0x70, 0x72, 0x74, 0x00, 0x00, 0x08, 0xe0, 0x00, 0x00, 0x00, 0x23,
|
||||
0x64, 0x65, 0x73, 0x63, 0x00, 0x00, 0x09, 0x04, 0x00, 0x00, 0x00, 0x79,
|
||||
0x64, 0x73, 0x63, 0x6d, 0x00, 0x00, 0x09, 0x80, 0x00, 0x00, 0x04, 0x82,
|
||||
0x63, 0x75, 0x72, 0x76, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00,
|
||||
0x00, 0x00, 0x00, 0x05, 0x00, 0x0a, 0x00, 0x0f, 0x00, 0x14, 0x00, 0x19,
|
||||
0x00, 0x1e, 0x00, 0x23, 0x00, 0x28, 0x00, 0x2d, 0x00, 0x32, 0x00, 0x37,
|
||||
0x00, 0x3b, 0x00, 0x40, 0x00, 0x45, 0x00, 0x4a, 0x00, 0x4f, 0x00, 0x54,
|
||||
0x00, 0x59, 0x00, 0x5e, 0x00, 0x63, 0x00, 0x68, 0x00, 0x6d, 0x00, 0x72,
|
||||
0x00, 0x77, 0x00, 0x7c, 0x00, 0x81, 0x00, 0x86, 0x00, 0x8b, 0x00, 0x90,
|
||||
0x00, 0x95, 0x00, 0x9a, 0x00, 0x9f, 0x00, 0xa4, 0x00, 0xa9, 0x00, 0xae,
|
||||
0x00, 0xb2, 0x00, 0xb7, 0x00, 0xbc, 0x00, 0xc1, 0x00, 0xc6, 0x00, 0xcb,
|
||||
0x00, 0xd0, 0x00, 0xd5, 0x00, 0xdb, 0x00, 0xe0, 0x00, 0xe5, 0x00, 0xeb,
|
||||
0x00, 0xf0, 0x00, 0xf6, 0x00, 0xfb, 0x01, 0x01, 0x01, 0x07, 0x01, 0x0d,
|
||||
0x01, 0x13, 0x01, 0x19, 0x01, 0x1f, 0x01, 0x25, 0x01, 0x2b, 0x01, 0x32,
|
||||
0x01, 0x38, 0x01, 0x3e, 0x01, 0x45, 0x01, 0x4c, 0x01, 0x52, 0x01, 0x59,
|
||||
0x01, 0x60, 0x01, 0x67, 0x01, 0x6e, 0x01, 0x75, 0x01, 0x7c, 0x01, 0x83,
|
||||
0x01, 0x8b, 0x01, 0x92, 0x01, 0x9a, 0x01, 0xa1, 0x01, 0xa9, 0x01, 0xb1,
|
||||
0x01, 0xb9, 0x01, 0xc1, 0x01, 0xc9, 0x01, 0xd1, 0x01, 0xd9, 0x01, 0xe1,
|
||||
0x01, 0xe9, 0x01, 0xf2, 0x01, 0xfa, 0x02, 0x03, 0x02, 0x0c, 0x02, 0x14,
|
||||
0x02, 0x1d, 0x02, 0x26, 0x02, 0x2f, 0x02, 0x38, 0x02, 0x41, 0x02, 0x4b,
|
||||
0x02, 0x54, 0x02, 0x5d, 0x02, 0x67, 0x02, 0x71, 0x02, 0x7a, 0x02, 0x84,
|
||||
0x02, 0x8e, 0x02, 0x98, 0x02, 0xa2, 0x02, 0xac, 0x02, 0xb6, 0x02, 0xc1,
|
||||
0x02, 0xcb, 0x02, 0xd5, 0x02, 0xe0, 0x02, 0xeb, 0x02, 0xf5, 0x03, 0x00,
|
||||
0x03, 0x0b, 0x03, 0x16, 0x03, 0x21, 0x03, 0x2d, 0x03, 0x38, 0x03, 0x43,
|
||||
0x03, 0x4f, 0x03, 0x5a, 0x03, 0x66, 0x03, 0x72, 0x03, 0x7e, 0x03, 0x8a,
|
||||
0x03, 0x96, 0x03, 0xa2, 0x03, 0xae, 0x03, 0xba, 0x03, 0xc7, 0x03, 0xd3,
|
||||
0x03, 0xe0, 0x03, 0xec, 0x03, 0xf9, 0x04, 0x06, 0x04, 0x13, 0x04, 0x20,
|
||||
0x04, 0x2d, 0x04, 0x3b, 0x04, 0x48, 0x04, 0x55, 0x04, 0x63, 0x04, 0x71,
|
||||
0x04, 0x7e, 0x04, 0x8c, 0x04, 0x9a, 0x04, 0xa8, 0x04, 0xb6, 0x04, 0xc4,
|
||||
0x04, 0xd3, 0x04, 0xe1, 0x04, 0xf0, 0x04, 0xfe, 0x05, 0x0d, 0x05, 0x1c,
|
||||
0x05, 0x2b, 0x05, 0x3a, 0x05, 0x49, 0x05, 0x58, 0x05, 0x67, 0x05, 0x77,
|
||||
0x05, 0x86, 0x05, 0x96, 0x05, 0xa6, 0x05, 0xb5, 0x05, 0xc5, 0x05, 0xd5,
|
||||
0x05, 0xe5, 0x05, 0xf6, 0x06, 0x06, 0x06, 0x16, 0x06, 0x27, 0x06, 0x37,
|
||||
0x06, 0x48, 0x06, 0x59, 0x06, 0x6a, 0x06, 0x7b, 0x06, 0x8c, 0x06, 0x9d,
|
||||
0x06, 0xaf, 0x06, 0xc0, 0x06, 0xd1, 0x06, 0xe3, 0x06, 0xf5, 0x07, 0x07,
|
||||
0x07, 0x19, 0x07, 0x2b, 0x07, 0x3d, 0x07, 0x4f, 0x07, 0x61, 0x07, 0x74,
|
||||
0x07, 0x86, 0x07, 0x99, 0x07, 0xac, 0x07, 0xbf, 0x07, 0xd2, 0x07, 0xe5,
|
||||
0x07, 0xf8, 0x08, 0x0b, 0x08, 0x1f, 0x08, 0x32, 0x08, 0x46, 0x08, 0x5a,
|
||||
0x08, 0x6e, 0x08, 0x82, 0x08, 0x96, 0x08, 0xaa, 0x08, 0xbe, 0x08, 0xd2,
|
||||
0x08, 0xe7, 0x08, 0xfb, 0x09, 0x10, 0x09, 0x25, 0x09, 0x3a, 0x09, 0x4f,
|
||||
0x09, 0x64, 0x09, 0x79, 0x09, 0x8f, 0x09, 0xa4, 0x09, 0xba, 0x09, 0xcf,
|
||||
0x09, 0xe5, 0x09, 0xfb, 0x0a, 0x11, 0x0a, 0x27, 0x0a, 0x3d, 0x0a, 0x54,
|
||||
0x0a, 0x6a, 0x0a, 0x81, 0x0a, 0x98, 0x0a, 0xae, 0x0a, 0xc5, 0x0a, 0xdc,
|
||||
0x0a, 0xf3, 0x0b, 0x0b, 0x0b, 0x22, 0x0b, 0x39, 0x0b, 0x51, 0x0b, 0x69,
|
||||
0x0b, 0x80, 0x0b, 0x98, 0x0b, 0xb0, 0x0b, 0xc8, 0x0b, 0xe1, 0x0b, 0xf9,
|
||||
0x0c, 0x12, 0x0c, 0x2a, 0x0c, 0x43, 0x0c, 0x5c, 0x0c, 0x75, 0x0c, 0x8e,
|
||||
0x0c, 0xa7, 0x0c, 0xc0, 0x0c, 0xd9, 0x0c, 0xf3, 0x0d, 0x0d, 0x0d, 0x26,
|
||||
0x0d, 0x40, 0x0d, 0x5a, 0x0d, 0x74, 0x0d, 0x8e, 0x0d, 0xa9, 0x0d, 0xc3,
|
||||
0x0d, 0xde, 0x0d, 0xf8, 0x0e, 0x13, 0x0e, 0x2e, 0x0e, 0x49, 0x0e, 0x64,
|
||||
0x0e, 0x7f, 0x0e, 0x9b, 0x0e, 0xb6, 0x0e, 0xd2, 0x0e, 0xee, 0x0f, 0x09,
|
||||
0x0f, 0x25, 0x0f, 0x41, 0x0f, 0x5e, 0x0f, 0x7a, 0x0f, 0x96, 0x0f, 0xb3,
|
||||
0x0f, 0xcf, 0x0f, 0xec, 0x10, 0x09, 0x10, 0x26, 0x10, 0x43, 0x10, 0x61,
|
||||
0x10, 0x7e, 0x10, 0x9b, 0x10, 0xb9, 0x10, 0xd7, 0x10, 0xf5, 0x11, 0x13,
|
||||
0x11, 0x31, 0x11, 0x4f, 0x11, 0x6d, 0x11, 0x8c, 0x11, 0xaa, 0x11, 0xc9,
|
||||
0x11, 0xe8, 0x12, 0x07, 0x12, 0x26, 0x12, 0x45, 0x12, 0x64, 0x12, 0x84,
|
||||
0x12, 0xa3, 0x12, 0xc3, 0x12, 0xe3, 0x13, 0x03, 0x13, 0x23, 0x13, 0x43,
|
||||
0x13, 0x63, 0x13, 0x83, 0x13, 0xa4, 0x13, 0xc5, 0x13, 0xe5, 0x14, 0x06,
|
||||
0x14, 0x27, 0x14, 0x49, 0x14, 0x6a, 0x14, 0x8b, 0x14, 0xad, 0x14, 0xce,
|
||||
0x14, 0xf0, 0x15, 0x12, 0x15, 0x34, 0x15, 0x56, 0x15, 0x78, 0x15, 0x9b,
|
||||
0x15, 0xbd, 0x15, 0xe0, 0x16, 0x03, 0x16, 0x26, 0x16, 0x49, 0x16, 0x6c,
|
||||
0x16, 0x8f, 0x16, 0xb2, 0x16, 0xd6, 0x16, 0xfa, 0x17, 0x1d, 0x17, 0x41,
|
||||
0x17, 0x65, 0x17, 0x89, 0x17, 0xae, 0x17, 0xd2, 0x17, 0xf7, 0x18, 0x1b,
|
||||
0x18, 0x40, 0x18, 0x65, 0x18, 0x8a, 0x18, 0xaf, 0x18, 0xd5, 0x18, 0xfa,
|
||||
0x19, 0x20, 0x19, 0x45, 0x19, 0x6b, 0x19, 0x91, 0x19, 0xb7, 0x19, 0xdd,
|
||||
0x1a, 0x04, 0x1a, 0x2a, 0x1a, 0x51, 0x1a, 0x77, 0x1a, 0x9e, 0x1a, 0xc5,
|
||||
0x1a, 0xec, 0x1b, 0x14, 0x1b, 0x3b, 0x1b, 0x63, 0x1b, 0x8a, 0x1b, 0xb2,
|
||||
0x1b, 0xda, 0x1c, 0x02, 0x1c, 0x2a, 0x1c, 0x52, 0x1c, 0x7b, 0x1c, 0xa3,
|
||||
0x1c, 0xcc, 0x1c, 0xf5, 0x1d, 0x1e, 0x1d, 0x47, 0x1d, 0x70, 0x1d, 0x99,
|
||||
0x1d, 0xc3, 0x1d, 0xec, 0x1e, 0x16, 0x1e, 0x40, 0x1e, 0x6a, 0x1e, 0x94,
|
||||
0x1e, 0xbe, 0x1e, 0xe9, 0x1f, 0x13, 0x1f, 0x3e, 0x1f, 0x69, 0x1f, 0x94,
|
||||
0x1f, 0xbf, 0x1f, 0xea, 0x20, 0x15, 0x20, 0x41, 0x20, 0x6c, 0x20, 0x98,
|
||||
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0xa6, 0x8b, 0xa6, 0xfd, 0xa7, 0x6e, 0xa7, 0xe0, 0xa8, 0x52, 0xa8, 0xc4,
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0xb4, 0x25, 0xb4, 0x9c, 0xb5, 0x13, 0xb5, 0x8a, 0xb6, 0x01, 0xb6, 0x79,
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||||
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||||
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|
||||
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|
||||
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|
||||
0x82, 0x2c, 0x30, 0xb0, 0x30, 0xec, 0x30, 0xa4, 0x30, 0xac, 0x30, 0xf3,
|
||||
0x30, 0xde, 0x00, 0x20, 0x00, 0x32, 0x00, 0x2e, 0x00, 0x32, 0x00, 0x20,
|
||||
0x30, 0xd7, 0x30, 0xed, 0x30, 0xd5, 0x30, 0xa1, 0x30, 0xa4, 0x30, 0xeb,
|
||||
0xc7, 0x7c, 0xbc, 0x18, 0x00, 0x20, 0xd6, 0x8c, 0xc0, 0xc9, 0x00, 0x20,
|
||||
0xac, 0x10, 0xb9, 0xc8, 0x00, 0x20, 0x00, 0x32, 0x00, 0x2e, 0x00, 0x32,
|
||||
0x00, 0x20, 0xd5, 0x04, 0xb8, 0x5c, 0xd3, 0x0c, 0xc7, 0x7c, 0x90, 0x1a,
|
||||
0x75, 0x28, 0x70, 0x70, 0x96, 0x8e, 0x51, 0x49, 0x5e, 0xa6, 0x00, 0x20,
|
||||
0x00, 0x32, 0x00, 0x2e, 0x00, 0x32, 0x00, 0x20, 0x82, 0x72, 0x5f, 0x69,
|
||||
0x63, 0xcf, 0x8f, 0xf0, 0x90, 0x1a, 0x75, 0x28, 0x70, 0x70, 0x5e, 0xa6,
|
||||
0x7c, 0xfb, 0x65, 0x70, 0x00, 0x20, 0x00, 0x32, 0x00, 0x2e, 0x00, 0x32,
|
||||
0x00, 0x20, 0x63, 0xcf, 0x8f, 0xf0, 0x65, 0x87, 0x4e, 0xf6, 0x00, 0x00,
|
||||
}
|
||||
|
||||
sRGBV2MicroICCProfilePathToken = "\x00srgb_v2_micro.icc"
|
||||
sGrayV2MicroICCProfilePathToken = "\x00sgray_v2_micro.icc"
|
||||
sRGBIEC6196621ICCProfilePathToken = "\x00srgb_iec61966_2_1.icc"
|
||||
genericGrayGamma22ICCProfilePathToken = "\x00generic_gray_gamma_2_2.icc"
|
||||
|
||||
temporaryDirectory = ""
|
||||
SRGBV2MicroICCProfilePath = sRGBV2MicroICCProfilePathToken
|
||||
SGrayV2MicroICCProfilePath = sGrayV2MicroICCProfilePathToken
|
||||
SRGBIEC6196621ICCProfilePath = sRGBIEC6196621ICCProfilePathToken
|
||||
GenericGrayGamma22ICCProfilePath = genericGrayGamma22ICCProfilePathToken
|
||||
)
|
||||
|
||||
// Back support
|
||||
func ensureLoadICCPath(name *string) (err error) {
|
||||
if len(*name) > 0 && (*name)[0] == 0 {
|
||||
switch *name {
|
||||
case sRGBV2MicroICCProfilePathToken:
|
||||
*name, err = GetSRGBV2MicroICCProfilePath()
|
||||
return
|
||||
case sGrayV2MicroICCProfilePathToken:
|
||||
*name, err = GetSGrayV2MicroICCProfilePath()
|
||||
return
|
||||
case sRGBIEC6196621ICCProfilePathToken:
|
||||
*name, err = GetSRGBIEC6196621ICCProfilePath()
|
||||
return
|
||||
case genericGrayGamma22ICCProfilePathToken:
|
||||
*name, err = GetGenericGrayGamma22ICCProfilePath()
|
||||
return
|
||||
}
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
var tempDirOnce sync.Once
|
||||
var tempDirErr error
|
||||
|
||||
func getTemporaryDirectory() (string, error) {
|
||||
tempDirOnce.Do(func() {
|
||||
temporaryDirectory, tempDirErr = os.MkdirTemp("", "govips-")
|
||||
})
|
||||
return temporaryDirectory, tempDirErr
|
||||
}
|
||||
|
||||
var lockIcc sync.Mutex
|
||||
|
||||
func GetSRGBV2MicroICCProfilePath() (string, error) {
|
||||
return getOrLoad(&SRGBV2MicroICCProfilePath, "srgb_v2_micro.icc", sRGBV2MicroICCProfile)
|
||||
}
|
||||
|
||||
func GetSGrayV2MicroICCProfilePath() (string, error) {
|
||||
return getOrLoad(&SGrayV2MicroICCProfilePath, "sgray_v2_micro.icc", sGrayV2MicroICCProfile)
|
||||
}
|
||||
|
||||
func GetSRGBIEC6196621ICCProfilePath() (string, error) {
|
||||
return getOrLoad(&SRGBIEC6196621ICCProfilePath, "srgb_iec61966_2_1.icc", sRGBIEC6196621ICCProfile)
|
||||
}
|
||||
|
||||
func GetGenericGrayGamma22ICCProfilePath() (string, error) {
|
||||
return getOrLoad(&GenericGrayGamma22ICCProfilePath, "generic_gray_gamma_2_2.icc", genericGrayGamma22ICCProfile)
|
||||
}
|
||||
|
||||
func getOrLoad(pathFile *string, name string, fileBytes []byte) (string, error) {
|
||||
lockIcc.Lock()
|
||||
defer lockIcc.Unlock()
|
||||
if len(*pathFile) > 0 && (*pathFile)[0] != 0 {
|
||||
return *pathFile, nil
|
||||
}
|
||||
|
||||
if _, err := getTemporaryDirectory(); err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
*pathFile = filepath.Join(temporaryDirectory, name)
|
||||
if err := os.WriteFile(*pathFile, fileBytes, 0600); err != nil {
|
||||
return "", err
|
||||
}
|
||||
return *pathFile, nil
|
||||
}
|
||||
+16
@@ -0,0 +1,16 @@
|
||||
#include "image.h"
|
||||
|
||||
int has_alpha_channel(VipsImage *image) { return vips_image_hasalpha(image); }
|
||||
|
||||
void clear_image(VipsImage **image) {
|
||||
// Reference-counting in libvips: https://www.libvips.org/API/current/using-from-c.html#using-C-ref
|
||||
// https://docs.gtk.org/gobject/method.Object.unref.html
|
||||
if (G_IS_OBJECT(*image)) g_object_unref(*image);
|
||||
}
|
||||
|
||||
VipsImage *create_image_from_memory_copy(const void *data, size_t size,
|
||||
int width, int height, int bands,
|
||||
VipsBandFormat format) {
|
||||
return vips_image_new_from_memory_copy(data, size, width, height, bands,
|
||||
format);
|
||||
}
|
||||
+799
@@ -0,0 +1,799 @@
|
||||
package vips
|
||||
|
||||
// #include "image.h"
|
||||
import "C"
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"image"
|
||||
"image/draw"
|
||||
_ "image/gif"
|
||||
_ "image/jpeg"
|
||||
_ "image/png"
|
||||
"io"
|
||||
"os"
|
||||
"runtime"
|
||||
"strconv"
|
||||
"strings"
|
||||
"sync"
|
||||
"unsafe"
|
||||
|
||||
_ "golang.org/x/image/webp"
|
||||
)
|
||||
|
||||
const GaussBlurDefaultMinAMpl = 0.2
|
||||
|
||||
// PreMultiplicationState stores the pre-multiplication band format of the image
|
||||
type PreMultiplicationState struct {
|
||||
bandFormat BandFormat
|
||||
}
|
||||
|
||||
// ImageRef contains a libvips image and manages its lifecycle.
|
||||
type ImageRef struct {
|
||||
// NOTE: We keep a reference to this so that the input buffer is
|
||||
// never garbage collected during processing. Some image loaders use random
|
||||
// access transcoding and therefore need the original buffer to be in memory.
|
||||
buf []byte
|
||||
image *C.VipsImage
|
||||
format ImageType
|
||||
originalFormat ImageType
|
||||
lock sync.Mutex
|
||||
preMultiplication *PreMultiplicationState
|
||||
optimizedIccProfile string
|
||||
}
|
||||
|
||||
// ImageMetadata is a data structure holding the width, height, orientation and other metadata of the picture.
|
||||
type ImageMetadata struct {
|
||||
Format ImageType
|
||||
Width int
|
||||
Height int
|
||||
Colorspace Interpretation
|
||||
Orientation int
|
||||
Pages int
|
||||
}
|
||||
|
||||
type Parameter struct {
|
||||
value interface{}
|
||||
isSet bool
|
||||
}
|
||||
|
||||
func (p *Parameter) IsSet() bool {
|
||||
return p.isSet
|
||||
}
|
||||
|
||||
func (p *Parameter) set(v interface{}) {
|
||||
p.value = v
|
||||
p.isSet = true
|
||||
}
|
||||
|
||||
type BoolParameter struct {
|
||||
Parameter
|
||||
}
|
||||
|
||||
func (p *BoolParameter) Set(v bool) {
|
||||
p.set(v)
|
||||
}
|
||||
|
||||
func (p *BoolParameter) Get() bool {
|
||||
return p.value.(bool)
|
||||
}
|
||||
|
||||
type IntParameter struct {
|
||||
Parameter
|
||||
}
|
||||
|
||||
func (p *IntParameter) Set(v int) {
|
||||
p.set(v)
|
||||
}
|
||||
|
||||
func (p *IntParameter) Get() int {
|
||||
return p.value.(int)
|
||||
}
|
||||
|
||||
type Float64Parameter struct {
|
||||
Parameter
|
||||
}
|
||||
|
||||
func (p *Float64Parameter) Set(v float64) {
|
||||
p.set(v)
|
||||
}
|
||||
|
||||
func (p *Float64Parameter) Get() float64 {
|
||||
return p.value.(float64)
|
||||
}
|
||||
|
||||
// ImportParams are options for loading an image. Some are type-specific.
|
||||
// For default loading, use NewImportParams() or specify nil
|
||||
type ImportParams struct {
|
||||
AutoRotate BoolParameter
|
||||
FailOnError BoolParameter
|
||||
Page IntParameter
|
||||
NumPages IntParameter
|
||||
Density IntParameter
|
||||
|
||||
JpegShrinkFactor IntParameter
|
||||
WebpScaleFactor Float64Parameter
|
||||
HeifThumbnail BoolParameter
|
||||
SvgUnlimited BoolParameter
|
||||
Access IntParameter
|
||||
}
|
||||
|
||||
// NewImportParams creates default ImportParams
|
||||
func NewImportParams() *ImportParams {
|
||||
p := &ImportParams{}
|
||||
p.FailOnError.Set(true)
|
||||
return p
|
||||
}
|
||||
|
||||
// OptionString convert import params to option_string
|
||||
func (i *ImportParams) OptionString() string {
|
||||
var values []string
|
||||
if v := i.NumPages; v.IsSet() {
|
||||
values = append(values, "n="+strconv.Itoa(v.Get()))
|
||||
}
|
||||
if v := i.Page; v.IsSet() {
|
||||
values = append(values, "page="+strconv.Itoa(v.Get()))
|
||||
}
|
||||
if v := i.Density; v.IsSet() {
|
||||
values = append(values, "dpi="+strconv.Itoa(v.Get()))
|
||||
}
|
||||
if v := i.FailOnError; v.IsSet() {
|
||||
values = append(values, "fail="+boolToStr(v.Get()))
|
||||
}
|
||||
if v := i.JpegShrinkFactor; v.IsSet() {
|
||||
values = append(values, "shrink="+strconv.Itoa(v.Get()))
|
||||
}
|
||||
if v := i.WebpScaleFactor; v.IsSet() {
|
||||
values = append(values, "scale="+strconv.FormatFloat(v.Get(), 'f', -1, 64))
|
||||
}
|
||||
if v := i.AutoRotate; v.IsSet() {
|
||||
values = append(values, "autorotate="+boolToStr(v.Get()))
|
||||
}
|
||||
if v := i.SvgUnlimited; v.IsSet() {
|
||||
values = append(values, "unlimited="+boolToStr(v.Get()))
|
||||
}
|
||||
if v := i.HeifThumbnail; v.IsSet() {
|
||||
values = append(values, "thumbnail="+boolToStr(v.Get()))
|
||||
}
|
||||
if v := i.Access; v.IsSet() {
|
||||
values = append(values, "access="+strconv.Itoa(v.Get()))
|
||||
}
|
||||
return strings.Join(values, ",")
|
||||
}
|
||||
|
||||
func boolToStr(v bool) string {
|
||||
if v {
|
||||
return "TRUE"
|
||||
}
|
||||
return "FALSE"
|
||||
}
|
||||
|
||||
// ExportParams are options when exporting an image to file or buffer.
|
||||
// Deprecated: Use format-specific params
|
||||
type ExportParams struct {
|
||||
Format ImageType
|
||||
Quality int
|
||||
Compression int
|
||||
Interlaced bool
|
||||
Lossless bool
|
||||
Effort int
|
||||
StripMetadata bool
|
||||
OptimizeCoding bool // jpeg param
|
||||
SubsampleMode SubsampleMode // jpeg param
|
||||
TrellisQuant bool // jpeg param
|
||||
OvershootDeringing bool // jpeg param
|
||||
OptimizeScans bool // jpeg param
|
||||
QuantTable int // jpeg param
|
||||
Speed int // avif param
|
||||
}
|
||||
|
||||
// NewDefaultExportParams creates default values for an export when image type is not JPEG, PNG or WEBP.
|
||||
// By default, govips creates interlaced, lossy images with a quality of 80/100 and compression of 6/10.
|
||||
// As these are default values for a wide variety of image formats, their application varies.
|
||||
// Some formats use the quality parameters, some compression, etc.
|
||||
// Deprecated: Use format-specific params
|
||||
func NewDefaultExportParams() *ExportParams {
|
||||
return &ExportParams{
|
||||
Format: ImageTypeUnknown, // defaults to the starting encoder
|
||||
Quality: 80,
|
||||
Compression: 6,
|
||||
Interlaced: true,
|
||||
Lossless: false,
|
||||
Effort: 4,
|
||||
}
|
||||
}
|
||||
|
||||
// NewDefaultJPEGExportParams creates default values for an export of a JPEG image.
|
||||
// By default, govips creates interlaced JPEGs with a quality of 80/100.
|
||||
// Deprecated: Use NewJpegExportParams
|
||||
func NewDefaultJPEGExportParams() *ExportParams {
|
||||
return &ExportParams{
|
||||
Format: ImageTypeJPEG,
|
||||
Quality: 80,
|
||||
Interlaced: true,
|
||||
}
|
||||
}
|
||||
|
||||
// NewDefaultPNGExportParams creates default values for an export of a PNG image.
|
||||
// By default, govips creates non-interlaced PNGs with a compression of 6/10.
|
||||
// Deprecated: Use NewPngExportParams
|
||||
func NewDefaultPNGExportParams() *ExportParams {
|
||||
return &ExportParams{
|
||||
Format: ImageTypePNG,
|
||||
Compression: 6,
|
||||
Interlaced: false,
|
||||
}
|
||||
}
|
||||
|
||||
// NewDefaultWEBPExportParams creates default values for an export of a WEBP image.
|
||||
// By default, govips creates lossy images with a quality of 75/100.
|
||||
// Deprecated: Use NewWebpExportParams
|
||||
func NewDefaultWEBPExportParams() *ExportParams {
|
||||
return &ExportParams{
|
||||
Format: ImageTypeWEBP,
|
||||
Quality: 75,
|
||||
Lossless: false,
|
||||
Effort: 4,
|
||||
}
|
||||
}
|
||||
|
||||
// JpegExportParams are options when exporting a JPEG to file or buffer
|
||||
type JpegExportParams struct {
|
||||
StripMetadata bool
|
||||
Quality int
|
||||
Interlace bool
|
||||
OptimizeCoding bool
|
||||
SubsampleMode SubsampleMode
|
||||
TrellisQuant bool
|
||||
OvershootDeringing bool
|
||||
OptimizeScans bool
|
||||
QuantTable int
|
||||
}
|
||||
|
||||
// NewJpegExportParams creates default values for an export of a JPEG image.
|
||||
// By default, govips creates interlaced JPEGs with a quality of 80/100.
|
||||
func NewJpegExportParams() *JpegExportParams {
|
||||
return &JpegExportParams{
|
||||
Quality: 80,
|
||||
Interlace: true,
|
||||
}
|
||||
}
|
||||
|
||||
// PngExportParams are options when exporting a PNG to file or buffer
|
||||
type PngExportParams struct {
|
||||
StripMetadata bool
|
||||
Compression int
|
||||
Filter PngFilter
|
||||
Interlace bool
|
||||
Quality int
|
||||
Palette bool
|
||||
Dither float64
|
||||
Bitdepth int
|
||||
Profile string
|
||||
}
|
||||
|
||||
// NewPngExportParams creates default values for an export of a PNG image.
|
||||
// By default, govips creates non-interlaced PNGs with a compression of 6/10.
|
||||
func NewPngExportParams() *PngExportParams {
|
||||
return &PngExportParams{
|
||||
Compression: 6,
|
||||
Filter: PngFilterNone,
|
||||
Interlace: false,
|
||||
Palette: false,
|
||||
}
|
||||
}
|
||||
|
||||
// WebpExportParams are options when exporting a WEBP to file or buffer
|
||||
// see https://www.libvips.org/API/current/VipsForeignSave.html#vips-webpsave
|
||||
// for details on each parameter
|
||||
type WebpExportParams struct {
|
||||
StripMetadata bool
|
||||
Quality int
|
||||
Lossless bool
|
||||
NearLossless bool
|
||||
ReductionEffort int
|
||||
IccProfile string
|
||||
MinSize bool
|
||||
MinKeyFrames int
|
||||
MaxKeyFrames int
|
||||
}
|
||||
|
||||
// NewWebpExportParams creates default values for an export of a WEBP image.
|
||||
// By default, govips creates lossy images with a quality of 75/100.
|
||||
func NewWebpExportParams() *WebpExportParams {
|
||||
return &WebpExportParams{
|
||||
Quality: 75,
|
||||
Lossless: false,
|
||||
NearLossless: false,
|
||||
ReductionEffort: 4,
|
||||
}
|
||||
}
|
||||
|
||||
// TiffExportParams are options when exporting a TIFF to file or buffer
|
||||
type TiffExportParams struct {
|
||||
StripMetadata bool
|
||||
Quality int
|
||||
Compression TiffCompression
|
||||
Predictor TiffPredictor
|
||||
Pyramid bool
|
||||
Tile bool
|
||||
TileHeight int
|
||||
TileWidth int
|
||||
}
|
||||
|
||||
// NewTiffExportParams creates default values for an export of a TIFF image.
|
||||
func NewTiffExportParams() *TiffExportParams {
|
||||
return &TiffExportParams{
|
||||
Quality: 80,
|
||||
Compression: TiffCompressionLzw,
|
||||
Predictor: TiffPredictorHorizontal,
|
||||
Pyramid: false,
|
||||
Tile: false,
|
||||
TileHeight: 256,
|
||||
TileWidth: 256,
|
||||
}
|
||||
}
|
||||
|
||||
// GifExportParams are options when exporting a GIF to file or buffer.
|
||||
//
|
||||
// For vips 8.12+, native gifsave is used. The relevant parameters are Dither,
|
||||
// Effort, and Bitdepth. Quality is ignored because native gifsave does not
|
||||
// support a quality parameter.
|
||||
//
|
||||
// For vips below 8.12, magicksave is used as a fallback. The relevant
|
||||
// parameters are Quality and Bitdepth.
|
||||
//
|
||||
// StripMetadata has no effect on GIF images.
|
||||
type GifExportParams struct {
|
||||
StripMetadata bool
|
||||
// Quality is only used with vips < 8.12 (magicksave fallback).
|
||||
// Ignored by native gifsave in vips 8.12+.
|
||||
Quality int
|
||||
Dither float64
|
||||
Effort int
|
||||
Bitdepth int
|
||||
}
|
||||
|
||||
// NewGifExportParams creates default values for an export of a GIF image.
|
||||
func NewGifExportParams() *GifExportParams {
|
||||
return &GifExportParams{
|
||||
Quality: 75,
|
||||
Effort: 7,
|
||||
Bitdepth: 8,
|
||||
}
|
||||
}
|
||||
|
||||
// HeifExportParams are options when exporting a HEIF to file or buffer
|
||||
type HeifExportParams struct {
|
||||
Quality int
|
||||
Bitdepth int
|
||||
Effort int
|
||||
Lossless bool
|
||||
}
|
||||
|
||||
// NewHeifExportParams creates default values for an export of a HEIF image.
|
||||
func NewHeifExportParams() *HeifExportParams {
|
||||
return &HeifExportParams{
|
||||
Quality: 80,
|
||||
Bitdepth: 8,
|
||||
Effort: 5,
|
||||
Lossless: false,
|
||||
}
|
||||
}
|
||||
|
||||
// AvifExportParams are options when exporting an AVIF to file or buffer.
|
||||
type AvifExportParams struct {
|
||||
StripMetadata bool
|
||||
Quality int
|
||||
Bitdepth int
|
||||
Effort int
|
||||
Lossless bool
|
||||
|
||||
// DEPRECATED - Use Effort instead.
|
||||
Speed int
|
||||
}
|
||||
|
||||
// NewAvifExportParams creates default values for an export of an AVIF image.
|
||||
func NewAvifExportParams() *AvifExportParams {
|
||||
return &AvifExportParams{
|
||||
Quality: 80,
|
||||
Bitdepth: 8,
|
||||
Effort: 5,
|
||||
Lossless: false,
|
||||
}
|
||||
}
|
||||
|
||||
// Jp2kExportParams are options when exporting an JPEG2000 to file or buffer.
|
||||
type Jp2kExportParams struct {
|
||||
Quality int
|
||||
Lossless bool
|
||||
TileWidth int
|
||||
TileHeight int
|
||||
SubsampleMode SubsampleMode
|
||||
}
|
||||
|
||||
// NewJp2kExportParams creates default values for an export of an JPEG2000 image.
|
||||
func NewJp2kExportParams() *Jp2kExportParams {
|
||||
return &Jp2kExportParams{
|
||||
Quality: 80,
|
||||
Lossless: false,
|
||||
TileWidth: 512,
|
||||
TileHeight: 512,
|
||||
}
|
||||
}
|
||||
|
||||
// JxlExportParams are options when exporting an JXL to file or buffer.
|
||||
type JxlExportParams struct {
|
||||
Quality int
|
||||
Lossless bool
|
||||
Tier int
|
||||
Distance float64
|
||||
Effort int
|
||||
}
|
||||
|
||||
// NewJxlExportParams creates default values for an export of an JXL image.
|
||||
func NewJxlExportParams() *JxlExportParams {
|
||||
return &JxlExportParams{
|
||||
Quality: 75,
|
||||
Lossless: false,
|
||||
Effort: 7,
|
||||
Distance: 1.0,
|
||||
}
|
||||
}
|
||||
|
||||
// MagickExportParams are options when exporting an image to file or buffer by ImageMagick.
|
||||
type MagickExportParams struct {
|
||||
Quality int
|
||||
Format string
|
||||
OptimizeGifFrames bool
|
||||
OptimizeGifTransparency bool
|
||||
BitDepth int
|
||||
}
|
||||
|
||||
// NewMagickExportParams creates default values for an export of an image by ImageMagick.
|
||||
func NewMagickExportParams() *MagickExportParams {
|
||||
return &MagickExportParams{
|
||||
Quality: 75,
|
||||
}
|
||||
}
|
||||
|
||||
// NewImageFromReader loads an ImageRef from the given reader
|
||||
func NewImageFromReader(r io.Reader) (*ImageRef, error) {
|
||||
buf, err := io.ReadAll(r)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return NewImageFromBuffer(buf)
|
||||
}
|
||||
|
||||
// NewImageFromFile loads an image from file and creates a new ImageRef
|
||||
func NewImageFromFile(file string) (*ImageRef, error) {
|
||||
return LoadImageFromFile(file, nil)
|
||||
}
|
||||
|
||||
// LoadImageFromFile loads an image from file and creates a new ImageRef
|
||||
func LoadImageFromFile(file string, params *ImportParams) (*ImageRef, error) {
|
||||
buf, err := os.ReadFile(file)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
govipsLog("govips", LogLevelDebug, fmt.Sprintf("creating imageRef from file %s", file))
|
||||
return LoadImageFromBuffer(buf, params)
|
||||
}
|
||||
|
||||
// NewImageFromBuffer loads an image buffer and creates a new Image
|
||||
func NewImageFromBuffer(buf []byte) (*ImageRef, error) {
|
||||
return LoadImageFromBuffer(buf, nil)
|
||||
}
|
||||
|
||||
// LoadImageFromBuffer loads an image buffer and creates a new Image
|
||||
func LoadImageFromBuffer(buf []byte, params *ImportParams) (*ImageRef, error) {
|
||||
if err := startupIfNeeded(); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if params == nil {
|
||||
params = NewImportParams()
|
||||
}
|
||||
|
||||
vipsImage, currentFormat, originalFormat, err := vipsLoadFromBuffer(buf, params)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
ref := newImageRef(vipsImage, currentFormat, originalFormat, buf)
|
||||
|
||||
govipsLog("govips", LogLevelDebug, fmt.Sprintf("created imageRef %p", ref))
|
||||
return ref, nil
|
||||
}
|
||||
|
||||
// NewThumbnailFromFile loads an image from file and creates a new ImageRef with thumbnail crop
|
||||
func NewThumbnailFromFile(file string, width, height int, crop Interesting) (*ImageRef, error) {
|
||||
return LoadThumbnailFromFile(file, width, height, crop, SizeBoth, nil)
|
||||
}
|
||||
|
||||
// NewThumbnailFromBuffer loads an image buffer and creates a new Image with thumbnail crop
|
||||
func NewThumbnailFromBuffer(buf []byte, width, height int, crop Interesting) (*ImageRef, error) {
|
||||
return LoadThumbnailFromBuffer(buf, width, height, crop, SizeBoth, nil)
|
||||
}
|
||||
|
||||
// NewThumbnailWithSizeFromFile loads an image from file and creates a new ImageRef with thumbnail crop and size
|
||||
func NewThumbnailWithSizeFromFile(file string, width, height int, crop Interesting, size Size) (*ImageRef, error) {
|
||||
return LoadThumbnailFromFile(file, width, height, crop, size, nil)
|
||||
}
|
||||
|
||||
// LoadThumbnailFromFile loads an image from file and creates a new ImageRef with thumbnail crop and size
|
||||
func LoadThumbnailFromFile(file string, width, height int, crop Interesting, size Size, params *ImportParams) (*ImageRef, error) {
|
||||
if err := startupIfNeeded(); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
vipsImage, format, err := vipsThumbnailFromFile(file, width, height, crop, size, params)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
ref := newImageRef(vipsImage, format, format, nil)
|
||||
|
||||
govipsLog("govips", LogLevelDebug, fmt.Sprintf("created imageref %p", ref))
|
||||
return ref, nil
|
||||
}
|
||||
|
||||
// NewThumbnailWithSizeFromBuffer loads an image buffer and creates a new Image with thumbnail crop and size
|
||||
func NewThumbnailWithSizeFromBuffer(buf []byte, width, height int, crop Interesting, size Size) (*ImageRef, error) {
|
||||
return LoadThumbnailFromBuffer(buf, width, height, crop, size, nil)
|
||||
}
|
||||
|
||||
// LoadThumbnailFromBuffer loads an image buffer and creates a new Image with thumbnail crop and size
|
||||
func LoadThumbnailFromBuffer(buf []byte, width, height int, crop Interesting, size Size, params *ImportParams) (*ImageRef, error) {
|
||||
if err := startupIfNeeded(); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
vipsImage, format, err := vipsThumbnailFromBuffer(buf, width, height, crop, size, params)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
ref := newImageRef(vipsImage, format, format, buf)
|
||||
|
||||
govipsLog("govips", LogLevelDebug, fmt.Sprintf("created imageref %p", ref))
|
||||
return ref, nil
|
||||
}
|
||||
|
||||
// Metadata returns the metadata (ImageMetadata struct) of the associated ImageRef
|
||||
func (r *ImageRef) Metadata() *ImageMetadata {
|
||||
return &ImageMetadata{
|
||||
Format: r.Format(),
|
||||
Width: r.Width(),
|
||||
Height: r.Height(),
|
||||
Orientation: r.Orientation(),
|
||||
Colorspace: r.ColorSpace(),
|
||||
Pages: r.Pages(),
|
||||
}
|
||||
}
|
||||
|
||||
// Copy creates a new copy of the given image.
|
||||
func (r *ImageRef) Copy() (*ImageRef, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenCopy(r.image, nil)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return newImageRef(out, r.format, r.originalFormat, r.buf), nil
|
||||
}
|
||||
|
||||
// Copy creates a new copy of the given image with the new X and Y resolution (PPI).
|
||||
func (r *ImageRef) CopyChangingResolution(xres, yres float64) (*ImageRef, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenCopy(r.image, &CopyOptions{Xres: &xres, Yres: &yres})
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return newImageRef(out, r.format, r.originalFormat, r.buf), nil
|
||||
}
|
||||
|
||||
// Copy creates a new copy of the given image with the interpretation.
|
||||
func (r *ImageRef) CopyChangingInterpretation(interpretation Interpretation) (*ImageRef, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenCopy(r.image, &CopyOptions{Interpretation: &interpretation})
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return newImageRef(out, r.format, r.originalFormat, r.buf), nil
|
||||
}
|
||||
|
||||
// XYZ creates a two-band uint32 image where the elements in the first band have the value of their x coordinate
|
||||
// and elements in the second band have their y coordinate.
|
||||
func XYZ(width, height int) (*ImageRef, error) {
|
||||
vipsImage, err := vipsGenXyz(width, height, nil)
|
||||
return newImageRef(vipsImage, ImageTypeUnknown, ImageTypeUnknown, nil), err
|
||||
}
|
||||
|
||||
// Identity creates an identity lookup table, which will leave an image unchanged when applied with Maplut.
|
||||
// Each entry in the table has a value equal to its position.
|
||||
func Identity(ushort bool) (*ImageRef, error) {
|
||||
img, err := vipsGenIdentity(&IdentityOptions{Ushort: &ushort})
|
||||
return newImageRef(img, ImageTypeUnknown, ImageTypeUnknown, nil), err
|
||||
}
|
||||
|
||||
// Black creates a new black image of the specified size
|
||||
func Black(width, height int) (*ImageRef, error) {
|
||||
vipsImage, err := vipsGenBlack(width, height, nil)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return newImageRef(vipsImage, ImageTypeUnknown, ImageTypeUnknown, nil), nil
|
||||
}
|
||||
|
||||
// Grey creates a horizontal gradient image (ramp from black to white).
|
||||
// When uchar is true, pixel values are 0-255 uint8; when false, 0.0-1.0 float.
|
||||
// Useful for creating gradient overlays when combined with rotation, BandJoin, and Composite.
|
||||
func Grey(width, height int, uchar bool) (*ImageRef, error) {
|
||||
img, err := vipsGenGrey(width, height, &GreyOptions{Uchar: &uchar})
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return newImageRef(img, ImageTypeUnknown, ImageTypeUnknown, nil), nil
|
||||
}
|
||||
|
||||
// NewTransparentCanvas creates a fully transparent RGBA image of the given dimensions.
|
||||
// The image is in sRGB color space with 4 bands (RGBA), all channels set to 0.
|
||||
func NewTransparentCanvas(width, height int) (*ImageRef, error) {
|
||||
ref, err := Black(width, height)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if err := ref.ToColorSpace(InterpretationSRGB); err != nil {
|
||||
ref.Close()
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if err := ref.BandJoinConst([]float64{0}); err != nil {
|
||||
ref.Close()
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return ref, nil
|
||||
}
|
||||
|
||||
// Text draws the string text to an image.
|
||||
func Text(params *TextParams) (*ImageRef, error) {
|
||||
img, err := vipsText(params)
|
||||
return newImageRef(img, ImageTypeUnknown, ImageTypeUnknown, nil), err
|
||||
}
|
||||
|
||||
// NewImageFromGoImage creates a new ImageRef from a Go image.Image.
|
||||
// The image is normalized to NRGBA (non-premultiplied RGBA, 8-bit) and
|
||||
// imported into libvips in sRGB color space.
|
||||
func NewImageFromGoImage(img image.Image) (*ImageRef, error) {
|
||||
if err := startupIfNeeded(); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
bounds := img.Bounds()
|
||||
width := bounds.Dx()
|
||||
height := bounds.Dy()
|
||||
|
||||
if width == 0 || height == 0 {
|
||||
return nil, errors.New("image has zero dimensions")
|
||||
}
|
||||
|
||||
// Normalize to NRGBA
|
||||
var nrgba *image.NRGBA
|
||||
if n, ok := img.(*image.NRGBA); ok && n.Rect.Min.X == 0 && n.Rect.Min.Y == 0 && n.Stride == width*4 {
|
||||
nrgba = n
|
||||
} else {
|
||||
nrgba = image.NewNRGBA(image.Rect(0, 0, width, height))
|
||||
draw.Draw(nrgba, nrgba.Bounds(), img, bounds.Min, draw.Src)
|
||||
}
|
||||
|
||||
// Create vips image from pixel data (copies data, safe for Go GC)
|
||||
vipsImage := C.create_image_from_memory_copy(
|
||||
unsafe.Pointer(&nrgba.Pix[0]),
|
||||
C.size_t(len(nrgba.Pix)),
|
||||
C.int(width),
|
||||
C.int(height),
|
||||
4,
|
||||
C.VIPS_FORMAT_UCHAR,
|
||||
)
|
||||
runtime.KeepAlive(nrgba)
|
||||
if vipsImage == nil {
|
||||
return nil, errors.New("failed to create vips image from memory")
|
||||
}
|
||||
|
||||
// Set interpretation to sRGB
|
||||
vipsImage.Type = C.VIPS_INTERPRETATION_sRGB
|
||||
|
||||
return newImageRef(vipsImage, ImageTypeUnknown, ImageTypeUnknown, nil), nil
|
||||
}
|
||||
|
||||
func newImageRef(vipsImage *C.VipsImage, currentFormat ImageType, originalFormat ImageType, buf []byte) *ImageRef {
|
||||
imageRef := &ImageRef{
|
||||
image: vipsImage,
|
||||
format: currentFormat,
|
||||
originalFormat: originalFormat,
|
||||
buf: buf,
|
||||
}
|
||||
openImageRefs.Add(1)
|
||||
runtime.SetFinalizer(imageRef, finalizeImage)
|
||||
|
||||
return imageRef
|
||||
}
|
||||
|
||||
func finalizeImage(ref *ImageRef) {
|
||||
govipsLog("govips", LogLevelDebug, fmt.Sprintf("closing image %p", ref))
|
||||
ref.Close()
|
||||
}
|
||||
|
||||
// Close manually closes the image and frees the memory. Calling Close() is optional.
|
||||
// Images are automatically closed by GC. However, in high volume applications the GC
|
||||
// can't keep up with the amount of memory, so you might want to manually close the images.
|
||||
func (r *ImageRef) Close() {
|
||||
r.lock.Lock()
|
||||
|
||||
if r.image != nil {
|
||||
clearImage(r.image)
|
||||
r.image = nil
|
||||
openImageRefs.Add(-1)
|
||||
}
|
||||
|
||||
r.buf = nil
|
||||
|
||||
r.lock.Unlock()
|
||||
}
|
||||
|
||||
// setImage resets the image for this image and frees the previous one
|
||||
func (r *ImageRef) setImage(image *C.VipsImage) {
|
||||
r.lock.Lock()
|
||||
defer r.lock.Unlock()
|
||||
|
||||
if r.image == image {
|
||||
return
|
||||
}
|
||||
|
||||
if r.image != nil {
|
||||
clearImage(r.image)
|
||||
}
|
||||
|
||||
r.image = image
|
||||
}
|
||||
|
||||
func vipsHasAlpha(in *C.VipsImage) bool {
|
||||
return int(C.has_alpha_channel(in)) > 0
|
||||
}
|
||||
|
||||
func clearImage(ref *C.VipsImage) {
|
||||
C.clear_image(&ref)
|
||||
}
|
||||
|
||||
// Coding represents VIPS_CODING type
|
||||
type Coding int
|
||||
|
||||
// Coding enum
|
||||
//
|
||||
//goland:noinspection GoUnusedConst
|
||||
const (
|
||||
CodingError Coding = C.VIPS_CODING_ERROR
|
||||
CodingNone Coding = C.VIPS_CODING_NONE
|
||||
CodingLABQ Coding = C.VIPS_CODING_LABQ
|
||||
CodingRAD Coding = C.VIPS_CODING_RAD
|
||||
)
|
||||
|
||||
func (r *ImageRef) newMetadata(format ImageType) *ImageMetadata {
|
||||
return &ImageMetadata{
|
||||
Format: format,
|
||||
Width: r.Width(),
|
||||
Height: r.Height(),
|
||||
Colorspace: r.ColorSpace(),
|
||||
Orientation: r.Orientation(),
|
||||
Pages: r.Pages(),
|
||||
}
|
||||
}
|
||||
+12
@@ -0,0 +1,12 @@
|
||||
// https://libvips.github.io/libvips/API/current/VipsImage.html
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <vips/vips.h>
|
||||
|
||||
int has_alpha_channel(VipsImage *image);
|
||||
|
||||
void clear_image(VipsImage **image);
|
||||
|
||||
VipsImage *create_image_from_memory_copy(const void *data, size_t size,
|
||||
int width, int height, int bands,
|
||||
VipsBandFormat format);
|
||||
+173
@@ -0,0 +1,173 @@
|
||||
package vips
|
||||
|
||||
// #include "image.h"
|
||||
import "C"
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"runtime"
|
||||
)
|
||||
|
||||
// ToColorSpace changes the color space of the image to the interpretation supplied as the parameter.
|
||||
func (r *ImageRef) ToColorSpace(interpretation Interpretation) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsToColorSpace(r.image, interpretation)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Flatten removes the alpha channel from the image and replaces it with the background color
|
||||
func (r *ImageRef) Flatten(backgroundColor *Color) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
opts := &FlattenOptions{}
|
||||
if backgroundColor != nil {
|
||||
opts.Background = []float64{float64(backgroundColor.R), float64(backgroundColor.G), float64(backgroundColor.B)}
|
||||
}
|
||||
out, err := vipsGenFlatten(r.image, opts)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Modulate the colors
|
||||
func (r *ImageRef) Modulate(brightness, saturation, hue float64) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
var err error
|
||||
var multiplications []float64
|
||||
var additions []float64
|
||||
|
||||
colorspace := r.ColorSpace()
|
||||
if colorspace == InterpretationRGB {
|
||||
colorspace = InterpretationSRGB
|
||||
}
|
||||
|
||||
multiplications = []float64{brightness, saturation, 1}
|
||||
additions = []float64{0, 0, hue}
|
||||
|
||||
if r.HasAlpha() {
|
||||
multiplications = append(multiplications, 1)
|
||||
additions = append(additions, 0)
|
||||
}
|
||||
|
||||
err = r.ToColorSpace(InterpretationLCH)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
err = r.Linear(multiplications, additions)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
err = r.ToColorSpace(colorspace)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// ModulateHSV modulates the image HSV values based on the supplier parameters.
|
||||
func (r *ImageRef) ModulateHSV(brightness, saturation float64, hue int) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
var err error
|
||||
var multiplications []float64
|
||||
var additions []float64
|
||||
|
||||
colorspace := r.ColorSpace()
|
||||
if colorspace == InterpretationRGB {
|
||||
colorspace = InterpretationSRGB
|
||||
}
|
||||
|
||||
if r.HasAlpha() {
|
||||
multiplications = []float64{1, saturation, brightness, 1}
|
||||
additions = []float64{float64(hue), 0, 0, 0}
|
||||
} else {
|
||||
multiplications = []float64{1, saturation, brightness}
|
||||
additions = []float64{float64(hue), 0, 0}
|
||||
}
|
||||
|
||||
err = r.ToColorSpace(InterpretationHSV)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
err = r.Linear(multiplications, additions)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
err = r.ToColorSpace(colorspace)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// Invert inverts the image
|
||||
func (r *ImageRef) Invert() error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenInvert(r.image)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Adjusts the image's gamma value.
|
||||
// See https://www.libvips.org/API/current/libvips-conversion.html#vips-gamma
|
||||
func (r *ImageRef) Gamma(gamma float64) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenGamma(r.image, &GammaOptions{Exponent: &gamma})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Linear passes an image through a linear transformation (i.e. output = input * a + b).
|
||||
// See https://libvips.github.io/libvips/API/current/libvips-arithmetic.html#vips-linear
|
||||
func (r *ImageRef) Linear(a, b []float64) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
if len(a) != len(b) {
|
||||
return errors.New("a and b must be of same length")
|
||||
}
|
||||
|
||||
out, err := vipsGenLinear(r.image, a, b, nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Linear1 runs Linear() with a single constant.
|
||||
// See https://libvips.github.io/libvips/API/current/libvips-arithmetic.html#vips-linear1
|
||||
func (r *ImageRef) Linear1(a, b float64) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenLinear(r.image, []float64{a}, []float64{b}, nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Cast converts the image to a target band format
|
||||
func (r *ImageRef) Cast(format BandFormat) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenCast(r.image, format, nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
+70
@@ -0,0 +1,70 @@
|
||||
package vips
|
||||
|
||||
// #include "image.h"
|
||||
import "C"
|
||||
|
||||
import "runtime"
|
||||
|
||||
// CompositeMulti composites the given overlay image on top of the associated image with provided blending mode.
|
||||
func (r *ImageRef) CompositeMulti(ins []*ImageComposite) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsComposite(toVipsCompositeStructs(r, ins))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Composite composites the given overlay image on top of the associated image with provided blending mode.
|
||||
func (r *ImageRef) Composite(overlay *ImageRef, mode BlendMode, x, y int) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenComposite2(r.image, overlay.image, mode, &Composite2Options{X: &x, Y: &y})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Insert draws the image on top of the associated image at the given coordinates.
|
||||
func (r *ImageRef) Insert(sub *ImageRef, x, y int, expand bool, background *ColorRGBA) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
insertOpts := &InsertOptions{Expand: &expand}
|
||||
if background != nil {
|
||||
insertOpts.Background = []float64{float64(background.R), float64(background.G), float64(background.B), float64(background.A)}
|
||||
}
|
||||
out, err := vipsGenInsert(r.image, sub.image, x, y, insertOpts)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Join joins this image with another in the direction specified
|
||||
func (r *ImageRef) Join(in *ImageRef, dir Direction) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsJoin(r.image, in.image, dir)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// ArrayJoin joins an array of images together wrapping at each n images
|
||||
func (r *ImageRef) ArrayJoin(images []*ImageRef, across int) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
allImages := append([]*ImageRef{r}, images...)
|
||||
inputs := make([]*C.VipsImage, len(allImages))
|
||||
for i := range inputs {
|
||||
inputs[i] = allImages[i].image
|
||||
}
|
||||
out, err := vipsGenArrayjoin(inputs, &ArrayjoinOptions{Across: &across})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
+392
@@ -0,0 +1,392 @@
|
||||
package vips
|
||||
|
||||
// #include "image.h"
|
||||
import "C"
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"errors"
|
||||
"fmt"
|
||||
"image"
|
||||
"runtime"
|
||||
"unsafe"
|
||||
)
|
||||
|
||||
// Export creates a byte array of the image for use.
|
||||
// The function returns a byte array that can be written to a file e.g. via os.WriteFile().
|
||||
// N.B. govips does not currently have built-in support for directly exporting to a file.
|
||||
// The function also returns a copy of the image metadata as well as an error.
|
||||
// Deprecated: Use ExportNative or format-specific Export methods
|
||||
func (r *ImageRef) Export(params *ExportParams) ([]byte, *ImageMetadata, error) {
|
||||
if params == nil || params.Format == ImageTypeUnknown {
|
||||
return r.ExportNative()
|
||||
}
|
||||
|
||||
format := params.Format
|
||||
|
||||
if !IsTypeSupported(format) {
|
||||
return nil, r.newMetadata(ImageTypeUnknown), fmt.Errorf("cannot save to %#v", ImageTypes[format])
|
||||
}
|
||||
|
||||
switch format {
|
||||
case ImageTypeGIF:
|
||||
return r.ExportGIF(&GifExportParams{
|
||||
Quality: params.Quality,
|
||||
})
|
||||
case ImageTypeWEBP:
|
||||
return r.ExportWebp(&WebpExportParams{
|
||||
StripMetadata: params.StripMetadata,
|
||||
Quality: params.Quality,
|
||||
Lossless: params.Lossless,
|
||||
ReductionEffort: params.Effort,
|
||||
})
|
||||
case ImageTypePNG:
|
||||
return r.ExportPng(&PngExportParams{
|
||||
StripMetadata: params.StripMetadata,
|
||||
Compression: params.Compression,
|
||||
Interlace: params.Interlaced,
|
||||
})
|
||||
case ImageTypeTIFF:
|
||||
compression := TiffCompressionLzw
|
||||
if params.Lossless {
|
||||
compression = TiffCompressionNone
|
||||
}
|
||||
return r.ExportTiff(&TiffExportParams{
|
||||
StripMetadata: params.StripMetadata,
|
||||
Quality: params.Quality,
|
||||
Compression: compression,
|
||||
})
|
||||
case ImageTypeHEIF:
|
||||
return r.ExportHeif(&HeifExportParams{
|
||||
Quality: params.Quality,
|
||||
Lossless: params.Lossless,
|
||||
})
|
||||
case ImageTypeAVIF:
|
||||
return r.ExportAvif(&AvifExportParams{
|
||||
StripMetadata: params.StripMetadata,
|
||||
Quality: params.Quality,
|
||||
Lossless: params.Lossless,
|
||||
Speed: params.Speed,
|
||||
})
|
||||
case ImageTypeJXL:
|
||||
return r.ExportJxl(&JxlExportParams{
|
||||
Quality: params.Quality,
|
||||
Lossless: params.Lossless,
|
||||
Effort: params.Effort,
|
||||
})
|
||||
default:
|
||||
format = ImageTypeJPEG
|
||||
return r.ExportJpeg(&JpegExportParams{
|
||||
Quality: params.Quality,
|
||||
StripMetadata: params.StripMetadata,
|
||||
Interlace: params.Interlaced,
|
||||
OptimizeCoding: params.OptimizeCoding,
|
||||
SubsampleMode: params.SubsampleMode,
|
||||
TrellisQuant: params.TrellisQuant,
|
||||
OvershootDeringing: params.OvershootDeringing,
|
||||
OptimizeScans: params.OptimizeScans,
|
||||
QuantTable: params.QuantTable,
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
// ExportNative exports the image to a buffer based on its native format with default parameters.
|
||||
func (r *ImageRef) ExportNative() ([]byte, *ImageMetadata, error) {
|
||||
switch r.format {
|
||||
case ImageTypeJPEG:
|
||||
return r.ExportJpeg(NewJpegExportParams())
|
||||
case ImageTypePNG:
|
||||
return r.ExportPng(NewPngExportParams())
|
||||
case ImageTypeWEBP:
|
||||
return r.ExportWebp(NewWebpExportParams())
|
||||
case ImageTypeHEIF:
|
||||
return r.ExportHeif(NewHeifExportParams())
|
||||
case ImageTypeTIFF:
|
||||
return r.ExportTiff(NewTiffExportParams())
|
||||
case ImageTypeAVIF:
|
||||
return r.ExportAvif(NewAvifExportParams())
|
||||
case ImageTypeJP2K:
|
||||
return r.ExportJp2k(NewJp2kExportParams())
|
||||
case ImageTypeGIF:
|
||||
return r.ExportGIF(NewGifExportParams())
|
||||
case ImageTypeJXL:
|
||||
return r.ExportJxl(NewJxlExportParams())
|
||||
default:
|
||||
return r.ExportJpeg(NewJpegExportParams())
|
||||
}
|
||||
}
|
||||
|
||||
// ExportJpeg exports the image as JPEG to a buffer.
|
||||
func (r *ImageRef) ExportJpeg(params *JpegExportParams) ([]byte, *ImageMetadata, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
if params == nil {
|
||||
params = NewJpegExportParams()
|
||||
}
|
||||
|
||||
buf, err := vipsSaveJPEGToBuffer(r.image, *params)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
|
||||
return buf, r.newMetadata(ImageTypeJPEG), nil
|
||||
}
|
||||
|
||||
// ExportPng exports the image as PNG to a buffer.
|
||||
func (r *ImageRef) ExportPng(params *PngExportParams) ([]byte, *ImageMetadata, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
if params == nil {
|
||||
params = NewPngExportParams()
|
||||
}
|
||||
|
||||
buf, err := vipsSavePNGToBuffer(r.image, *params)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
|
||||
return buf, r.newMetadata(ImageTypePNG), nil
|
||||
}
|
||||
|
||||
// ExportWebp exports the image as WEBP to a buffer.
|
||||
func (r *ImageRef) ExportWebp(params *WebpExportParams) ([]byte, *ImageMetadata, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
if params == nil {
|
||||
params = NewWebpExportParams()
|
||||
}
|
||||
|
||||
paramsWithIccProfile := *params
|
||||
paramsWithIccProfile.IccProfile = r.optimizedIccProfile
|
||||
|
||||
buf, err := vipsSaveWebPToBuffer(r.image, paramsWithIccProfile)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
|
||||
return buf, r.newMetadata(ImageTypeWEBP), nil
|
||||
}
|
||||
|
||||
// ExportHeif exports the image as HEIF to a buffer.
|
||||
func (r *ImageRef) ExportHeif(params *HeifExportParams) ([]byte, *ImageMetadata, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
if params == nil {
|
||||
params = NewHeifExportParams()
|
||||
}
|
||||
|
||||
buf, err := vipsSaveHEIFToBuffer(r.image, *params)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
|
||||
return buf, r.newMetadata(ImageTypeHEIF), nil
|
||||
}
|
||||
|
||||
// ExportTiff exports the image as TIFF to a buffer.
|
||||
func (r *ImageRef) ExportTiff(params *TiffExportParams) ([]byte, *ImageMetadata, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
if params == nil {
|
||||
params = NewTiffExportParams()
|
||||
}
|
||||
|
||||
buf, err := vipsSaveTIFFToBuffer(r.image, *params)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
|
||||
return buf, r.newMetadata(ImageTypeTIFF), nil
|
||||
}
|
||||
|
||||
// ExportGIF exports the image as GIF to a buffer.
|
||||
func (r *ImageRef) ExportGIF(params *GifExportParams) ([]byte, *ImageMetadata, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
if params == nil {
|
||||
params = NewGifExportParams()
|
||||
}
|
||||
|
||||
buf, err := vipsSaveGIFToBuffer(r.image, *params)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
|
||||
return buf, r.newMetadata(ImageTypeGIF), nil
|
||||
}
|
||||
|
||||
// ExportAvif exports the image as AVIF to a buffer.
|
||||
func (r *ImageRef) ExportAvif(params *AvifExportParams) ([]byte, *ImageMetadata, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
if params == nil {
|
||||
params = NewAvifExportParams()
|
||||
}
|
||||
|
||||
buf, err := vipsSaveAVIFToBuffer(r.image, *params)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
|
||||
return buf, r.newMetadata(ImageTypeAVIF), nil
|
||||
}
|
||||
|
||||
// ExportJp2k exports the image as JPEG2000 to a buffer.
|
||||
func (r *ImageRef) ExportJp2k(params *Jp2kExportParams) ([]byte, *ImageMetadata, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
if params == nil {
|
||||
params = NewJp2kExportParams()
|
||||
}
|
||||
|
||||
buf, err := vipsSaveJP2KToBuffer(r.image, *params)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
|
||||
return buf, r.newMetadata(ImageTypeJP2K), nil
|
||||
}
|
||||
|
||||
// ExportJxl exports the image as JPEG XL to a buffer.
|
||||
func (r *ImageRef) ExportJxl(params *JxlExportParams) ([]byte, *ImageMetadata, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
if params == nil {
|
||||
params = NewJxlExportParams()
|
||||
}
|
||||
|
||||
buf, err := vipsSaveJxlToBuffer(r.image, *params)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
|
||||
return buf, r.newMetadata(ImageTypeJXL), nil
|
||||
}
|
||||
|
||||
// ExportMagick exports the image as Format set in param to a buffer.
|
||||
func (r *ImageRef) ExportMagick(params *MagickExportParams) ([]byte, *ImageMetadata, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
if params == nil {
|
||||
params = NewMagickExportParams()
|
||||
params.Format = "JPG"
|
||||
}
|
||||
|
||||
buf, err := vipsSaveMagickToBuffer(r.image, *params)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
|
||||
return buf, r.newMetadata(ImageTypeMagick), nil
|
||||
}
|
||||
|
||||
// ToBytes writes the image to memory in VIPs format and returns the raw bytes, useful for storage.
|
||||
func (r *ImageRef) ToBytes() ([]byte, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
var cSize C.size_t
|
||||
cData := C.vips_image_write_to_memory(r.image, &cSize)
|
||||
if cData == nil {
|
||||
return nil, errors.New("failed to write image to memory")
|
||||
}
|
||||
defer C.free(cData)
|
||||
|
||||
data := C.GoBytes(unsafe.Pointer(cData), C.int(cSize))
|
||||
return data, nil
|
||||
}
|
||||
|
||||
// ToImage converts a VIPs image to a golang image.Image object, useful for interoperability with other golang libraries.
|
||||
// Deprecated: Use ToGoImage for a faster, direct conversion without encoding round-trip.
|
||||
func (r *ImageRef) ToImage(params *ExportParams) (image.Image, error) {
|
||||
imageBytes, _, err := r.ExportNative()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
reader := bytes.NewReader(imageBytes)
|
||||
img, _, err := image.Decode(reader)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return img, nil
|
||||
}
|
||||
|
||||
// ToGoImage converts a vips image directly to a Go image.Image without encoding.
|
||||
// This is significantly faster than ToImage() which round-trips through JPEG/PNG.
|
||||
// The resulting image will be in sRGB color space with 8-bit depth.
|
||||
func (r *ImageRef) ToGoImage() (image.Image, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
|
||||
// Work on a copy to avoid mutating the receiver
|
||||
tmp, err := vipsGenCopy(r.image, nil)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
defer clearImage(tmp)
|
||||
|
||||
// Convert to sRGB if needed (keep B_W for grayscale)
|
||||
interp := Interpretation(int(tmp.Type))
|
||||
if interp != InterpretationSRGB && interp != InterpretationBW {
|
||||
out, err := vipsToColorSpace(tmp, InterpretationSRGB)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
clearImage(tmp)
|
||||
tmp = out
|
||||
}
|
||||
|
||||
// Cast to uchar if needed
|
||||
if BandFormat(int(tmp.BandFmt)) != BandFormatUchar {
|
||||
out, err := vipsGenCast(tmp, BandFormatUchar, nil)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
clearImage(tmp)
|
||||
tmp = out
|
||||
}
|
||||
|
||||
// Extract raw pixel data
|
||||
var cSize C.size_t
|
||||
cData := C.vips_image_write_to_memory(tmp, &cSize)
|
||||
if cData == nil {
|
||||
return nil, errors.New("failed to write image to memory")
|
||||
}
|
||||
defer C.free(cData)
|
||||
|
||||
width := int(tmp.Xsize)
|
||||
height := int(tmp.Ysize)
|
||||
bands := int(tmp.Bands)
|
||||
pixels := C.GoBytes(unsafe.Pointer(cData), C.int(cSize))
|
||||
|
||||
switch bands {
|
||||
case 1:
|
||||
img := image.NewGray(image.Rect(0, 0, width, height))
|
||||
copy(img.Pix, pixels)
|
||||
return img, nil
|
||||
case 2:
|
||||
// Grayscale + alpha
|
||||
img := image.NewNRGBA(image.Rect(0, 0, width, height))
|
||||
srcIdx := 0
|
||||
dstIdx := 0
|
||||
for srcIdx+1 < len(pixels) {
|
||||
v := pixels[srcIdx]
|
||||
img.Pix[dstIdx] = v
|
||||
img.Pix[dstIdx+1] = v
|
||||
img.Pix[dstIdx+2] = v
|
||||
img.Pix[dstIdx+3] = pixels[srcIdx+1]
|
||||
srcIdx += 2
|
||||
dstIdx += 4
|
||||
}
|
||||
return img, nil
|
||||
case 3:
|
||||
// RGB, add opaque alpha
|
||||
img := image.NewNRGBA(image.Rect(0, 0, width, height))
|
||||
srcIdx := 0
|
||||
dstIdx := 0
|
||||
for srcIdx+2 < len(pixels) {
|
||||
img.Pix[dstIdx] = pixels[srcIdx]
|
||||
img.Pix[dstIdx+1] = pixels[srcIdx+1]
|
||||
img.Pix[dstIdx+2] = pixels[srcIdx+2]
|
||||
img.Pix[dstIdx+3] = 255
|
||||
srcIdx += 3
|
||||
dstIdx += 4
|
||||
}
|
||||
return img, nil
|
||||
case 4:
|
||||
img := image.NewNRGBA(image.Rect(0, 0, width, height))
|
||||
copy(img.Pix, pixels)
|
||||
return img, nil
|
||||
default:
|
||||
return nil, fmt.Errorf("unsupported number of bands: %d", bands)
|
||||
}
|
||||
}
|
||||
+108
@@ -0,0 +1,108 @@
|
||||
package vips
|
||||
|
||||
// #include "image.h"
|
||||
import "C"
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"runtime"
|
||||
)
|
||||
|
||||
// GetICCProfile retrieves the ICC profile data (if any) from the image.
|
||||
func (r *ImageRef) GetICCProfile() []byte {
|
||||
defer runtime.KeepAlive(r)
|
||||
bytes, _ := vipsGetICCProfile(r.image)
|
||||
return bytes
|
||||
}
|
||||
|
||||
// RemoveICCProfile removes the ICC Profile information from the image.
|
||||
// Typically, browsers and other software assume images without profile to be in the sRGB color space.
|
||||
func (r *ImageRef) RemoveICCProfile() error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenCopy(r.image, nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
vipsRemoveICCProfile(out)
|
||||
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// TransformICCProfileWithFallback transforms from the embedded ICC profile of the image to the ICC profile at the given path.
|
||||
// The fallback ICC profile is used if the image does not have an embedded ICC profile.
|
||||
func (r *ImageRef) TransformICCProfileWithFallback(targetProfilePath, fallbackProfilePath string) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
if err := ensureLoadICCPath(&targetProfilePath); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := ensureLoadICCPath(&fallbackProfilePath); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
depth := 16
|
||||
if r.BandFormat() == BandFormatUchar || r.BandFormat() == BandFormatChar || r.BandFormat() == BandFormatNotSet {
|
||||
depth = 8
|
||||
}
|
||||
|
||||
out, err := vipsICCTransform(r.image, targetProfilePath, fallbackProfilePath, IntentPerceptual, depth, true)
|
||||
if err != nil {
|
||||
govipsLog("govips", LogLevelError, fmt.Sprintf("failed to do icc transform: %v", err.Error()))
|
||||
return err
|
||||
}
|
||||
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// TransformICCProfile transforms from the embedded ICC profile of the image to the icc profile at the given path.
|
||||
func (r *ImageRef) TransformICCProfile(outputProfilePath string) error {
|
||||
return r.TransformICCProfileWithFallback(outputProfilePath, SRGBIEC6196621ICCProfilePath)
|
||||
}
|
||||
|
||||
// OptimizeICCProfile optimizes the ICC color profile of the image.
|
||||
// For two color channel images, it sets a grayscale profile.
|
||||
// For color images, it sets a CMYK or non-CMYK profile based on the image metadata.
|
||||
func (r *ImageRef) OptimizeICCProfile() error {
|
||||
defer runtime.KeepAlive(r)
|
||||
inputProfile := r.determineInputICCProfile()
|
||||
if !r.HasICCProfile() && (inputProfile == "") {
|
||||
// No embedded ICC profile in the input image and no input profile determined, nothing to do.
|
||||
return nil
|
||||
}
|
||||
|
||||
r.optimizedIccProfile = SRGBV2MicroICCProfilePath
|
||||
if r.Bands() <= 2 {
|
||||
r.optimizedIccProfile = SGrayV2MicroICCProfilePath
|
||||
}
|
||||
|
||||
if err := ensureLoadICCPath(&r.optimizedIccProfile); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
embedded := r.HasICCProfile() && (inputProfile == "")
|
||||
|
||||
depth := 16
|
||||
if r.BandFormat() == BandFormatUchar || r.BandFormat() == BandFormatChar || r.BandFormat() == BandFormatNotSet {
|
||||
depth = 8
|
||||
}
|
||||
|
||||
out, err := vipsICCTransform(r.image, r.optimizedIccProfile, inputProfile, IntentPerceptual, depth, embedded)
|
||||
if err != nil {
|
||||
govipsLog("govips", LogLevelError, fmt.Sprintf("failed to do icc transform: %v", err.Error()))
|
||||
return err
|
||||
}
|
||||
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
func (r *ImageRef) determineInputICCProfile() (inputProfile string) {
|
||||
if r.Interpretation() == InterpretationCMYK {
|
||||
if !r.HasICCProfile() {
|
||||
inputProfile = "cmyk"
|
||||
}
|
||||
}
|
||||
return
|
||||
}
|
||||
+338
@@ -0,0 +1,338 @@
|
||||
package vips
|
||||
|
||||
// #include "image.h"
|
||||
import "C"
|
||||
|
||||
import (
|
||||
"runtime"
|
||||
"strings"
|
||||
)
|
||||
|
||||
// Format returns the current format of the vips image.
|
||||
func (r *ImageRef) Format() ImageType {
|
||||
return r.format
|
||||
}
|
||||
|
||||
// OriginalFormat returns the original format of the image when loaded.
|
||||
// In some cases the loaded image is converted on load, for example, a BMP is automatically converted to PNG
|
||||
// This method returns the format of the original buffer, as opposed to Format() with will return the format of the
|
||||
// currently held buffer content.
|
||||
func (r *ImageRef) OriginalFormat() ImageType {
|
||||
return r.originalFormat
|
||||
}
|
||||
|
||||
// Width returns the width of this image.
|
||||
func (r *ImageRef) Width() int {
|
||||
return int(r.image.Xsize)
|
||||
}
|
||||
|
||||
// Height returns the height of this image.
|
||||
func (r *ImageRef) Height() int {
|
||||
return int(r.image.Ysize)
|
||||
}
|
||||
|
||||
// Bands returns the number of bands for this image.
|
||||
func (r *ImageRef) Bands() int {
|
||||
return int(r.image.Bands)
|
||||
}
|
||||
|
||||
// HasProfile returns if the image has an ICC profile embedded.
|
||||
func (r *ImageRef) HasProfile() bool {
|
||||
defer runtime.KeepAlive(r)
|
||||
return vipsHasICCProfile(r.image)
|
||||
}
|
||||
|
||||
// HasICCProfile checks whether the image has an ICC profile embedded. Alias to HasProfile
|
||||
func (r *ImageRef) HasICCProfile() bool {
|
||||
return r.HasProfile()
|
||||
}
|
||||
|
||||
// HasIPTC returns a boolean whether the image in question has IPTC data associated with it.
|
||||
func (r *ImageRef) HasIPTC() bool {
|
||||
defer runtime.KeepAlive(r)
|
||||
return vipsHasIPTC(r.image)
|
||||
}
|
||||
|
||||
// HasAlpha returns if the image has an alpha layer.
|
||||
func (r *ImageRef) HasAlpha() bool {
|
||||
defer runtime.KeepAlive(r)
|
||||
return vipsHasAlpha(r.image)
|
||||
}
|
||||
|
||||
// Orientation returns the orientation number as it appears in the EXIF, if present
|
||||
func (r *ImageRef) Orientation() int {
|
||||
defer runtime.KeepAlive(r)
|
||||
return vipsGetMetaOrientation(r.image)
|
||||
}
|
||||
|
||||
// Deprecated: use Orientation() instead
|
||||
func (r *ImageRef) GetOrientation() int {
|
||||
return r.Orientation()
|
||||
}
|
||||
|
||||
// SetOrientation sets the orientation in the EXIF header of the associated image.
|
||||
func (r *ImageRef) SetOrientation(orientation int) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenCopy(r.image, nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
vipsSetMetaOrientation(out, orientation)
|
||||
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// RemoveOrientation removes the EXIF orientation information of the image.
|
||||
func (r *ImageRef) RemoveOrientation() error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenCopy(r.image, nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
vipsRemoveMetaOrientation(out)
|
||||
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// ResX returns the X resolution
|
||||
func (r *ImageRef) ResX() float64 {
|
||||
return float64(r.image.Xres)
|
||||
}
|
||||
|
||||
// ResY returns the Y resolution
|
||||
func (r *ImageRef) ResY() float64 {
|
||||
return float64(r.image.Yres)
|
||||
}
|
||||
|
||||
// OffsetX returns the X offset
|
||||
func (r *ImageRef) OffsetX() int {
|
||||
return int(r.image.Xoffset)
|
||||
}
|
||||
|
||||
// OffsetY returns the Y offset
|
||||
func (r *ImageRef) OffsetY() int {
|
||||
return int(r.image.Yoffset)
|
||||
}
|
||||
|
||||
// BandFormat returns the current band format
|
||||
func (r *ImageRef) BandFormat() BandFormat {
|
||||
return BandFormat(int(r.image.BandFmt))
|
||||
}
|
||||
|
||||
// Coding returns the image coding
|
||||
func (r *ImageRef) Coding() Coding {
|
||||
return Coding(int(r.image.Coding))
|
||||
}
|
||||
|
||||
// Interpretation returns the current interpretation of the color space of the image.
|
||||
func (r *ImageRef) Interpretation() Interpretation {
|
||||
return Interpretation(int(r.image.Type))
|
||||
}
|
||||
|
||||
// ColorSpace returns the interpretation of the current color space. Alias to Interpretation().
|
||||
func (r *ImageRef) ColorSpace() Interpretation {
|
||||
return r.Interpretation()
|
||||
}
|
||||
|
||||
// IsColorSpaceSupported returns a boolean whether the image's color space is supported by libvips.
|
||||
func (r *ImageRef) IsColorSpaceSupported() bool {
|
||||
defer runtime.KeepAlive(r)
|
||||
return vipsIsColorSpaceSupported(r.image)
|
||||
}
|
||||
|
||||
// Pages returns the number of pages in the Image
|
||||
// For animated images this corresponds to the number of frames
|
||||
func (r *ImageRef) Pages() int {
|
||||
// libvips uses the same attribute (n_pages) to represent the number of pyramid layers in JP2K
|
||||
// as we interpret the attribute as frames and JP2K does not support animation we override this with 1
|
||||
if r.format == ImageTypeJP2K {
|
||||
return 1
|
||||
}
|
||||
|
||||
defer runtime.KeepAlive(r)
|
||||
return vipsGetImageNPages(r.image)
|
||||
}
|
||||
|
||||
// Deprecated: use Pages() instead
|
||||
func (r *ImageRef) GetPages() int {
|
||||
return r.Pages()
|
||||
}
|
||||
|
||||
// SetPages sets the number of pages in the Image
|
||||
// For animated images this corresponds to the number of frames
|
||||
func (r *ImageRef) SetPages(pages int) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenCopy(r.image, nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
vipsSetImageNPages(out, pages)
|
||||
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// PageHeight return the height of a single page
|
||||
func (r *ImageRef) PageHeight() int {
|
||||
defer runtime.KeepAlive(r)
|
||||
return vipsGetPageHeight(r.image)
|
||||
}
|
||||
|
||||
// GetPageHeight return the height of a single page
|
||||
// Deprecated use PageHeight() instead
|
||||
func (r *ImageRef) GetPageHeight() int {
|
||||
defer runtime.KeepAlive(r)
|
||||
return vipsGetPageHeight(r.image)
|
||||
}
|
||||
|
||||
// SetPageHeight set the height of a page
|
||||
// For animated images this is used when "unrolling" back to frames
|
||||
func (r *ImageRef) SetPageHeight(height int) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenCopy(r.image, nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
vipsSetPageHeight(out, height)
|
||||
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// PageDelay get the page delay array for animation
|
||||
func (r *ImageRef) PageDelay() ([]int, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
n := vipsGetImageNPages(r.image)
|
||||
if n <= 1 {
|
||||
// should not call if not multi page
|
||||
return nil, nil
|
||||
}
|
||||
return vipsImageGetDelay(r.image, n)
|
||||
}
|
||||
|
||||
// SetPageDelay set the page delay array for animation
|
||||
func (r *ImageRef) SetPageDelay(delay []int) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
var data []C.int
|
||||
for _, d := range delay {
|
||||
data = append(data, C.int(d))
|
||||
}
|
||||
return vipsImageSetDelay(r.image, data)
|
||||
}
|
||||
|
||||
// Loop returns the loop count for animated images.
|
||||
// A value of 0 means infinite looping.
|
||||
func (r *ImageRef) Loop() int {
|
||||
defer runtime.KeepAlive(r)
|
||||
return vipsImageGetLoop(r.image)
|
||||
}
|
||||
|
||||
// SetLoop sets the loop count for animated images.
|
||||
// A value of 0 means infinite looping.
|
||||
func (r *ImageRef) SetLoop(loop int) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
vipsImageSetLoop(r.image, loop)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Background get the background of image.
|
||||
func (r *ImageRef) Background() ([]float64, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsImageGetBackground(r.image)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return out, nil
|
||||
}
|
||||
|
||||
func (r *ImageRef) ImageFields() []string {
|
||||
return r.GetFields()
|
||||
}
|
||||
|
||||
func (r *ImageRef) GetFields() []string {
|
||||
defer runtime.KeepAlive(r)
|
||||
return vipsImageGetFields(r.image)
|
||||
}
|
||||
|
||||
func (r *ImageRef) SetBlob(name string, data []byte) {
|
||||
defer runtime.KeepAlive(r)
|
||||
vipsImageSetBlob(r.image, name, data)
|
||||
}
|
||||
|
||||
func (r *ImageRef) GetBlob(name string) []byte {
|
||||
defer runtime.KeepAlive(r)
|
||||
return vipsImageGetBlob(r.image, name)
|
||||
}
|
||||
|
||||
func (r *ImageRef) SetDouble(name string, f float64) {
|
||||
defer runtime.KeepAlive(r)
|
||||
vipsImageSetDouble(r.image, name, f)
|
||||
}
|
||||
|
||||
func (r *ImageRef) GetDouble(name string) float64 {
|
||||
defer runtime.KeepAlive(r)
|
||||
return vipsImageGetDouble(r.image, name)
|
||||
}
|
||||
|
||||
func (r *ImageRef) SetInt(name string, i int) {
|
||||
defer runtime.KeepAlive(r)
|
||||
vipsImageSetInt(r.image, name, i)
|
||||
}
|
||||
|
||||
func (r *ImageRef) GetInt(name string) int {
|
||||
defer runtime.KeepAlive(r)
|
||||
return vipsImageGetInt(r.image, name)
|
||||
}
|
||||
|
||||
func (r *ImageRef) SetString(name string, str string) {
|
||||
defer runtime.KeepAlive(r)
|
||||
vipsImageSetString(r.image, name, str)
|
||||
}
|
||||
|
||||
func (r *ImageRef) GetString(name string) string {
|
||||
defer runtime.KeepAlive(r)
|
||||
return vipsImageGetString(r.image, name)
|
||||
}
|
||||
|
||||
func (r *ImageRef) GetAsString(name string) string {
|
||||
defer runtime.KeepAlive(r)
|
||||
return vipsImageGetAsString(r.image, name)
|
||||
}
|
||||
|
||||
func (r *ImageRef) HasExif() bool {
|
||||
for _, field := range r.ImageFields() {
|
||||
if strings.HasPrefix(field, "exif-") {
|
||||
return true
|
||||
}
|
||||
}
|
||||
|
||||
return false
|
||||
}
|
||||
|
||||
func (r *ImageRef) GetExif() map[string]string {
|
||||
defer runtime.KeepAlive(r)
|
||||
return vipsImageGetExifData(r.image)
|
||||
}
|
||||
|
||||
// RemoveMetadata removes the EXIF metadata from the image.
|
||||
// N.B. this function won't remove the ICC profile, orientation and pages metadata
|
||||
// because govips needs it to correctly display the image.
|
||||
func (r *ImageRef) RemoveMetadata(keep ...string) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenCopy(r.image, nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
vipsRemoveMetadata(out, keep...)
|
||||
|
||||
r.setImage(out)
|
||||
|
||||
return nil
|
||||
}
|
||||
+390
@@ -0,0 +1,390 @@
|
||||
package vips
|
||||
|
||||
// #include "image.h"
|
||||
import "C"
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"runtime"
|
||||
)
|
||||
|
||||
// GaussianBlur blurs the image
|
||||
// add support minAmpl
|
||||
func (r *ImageRef) GaussianBlur(sigmas ...float64) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
var (
|
||||
sigma = sigmas[0]
|
||||
minAmpl = GaussBlurDefaultMinAMpl
|
||||
)
|
||||
if len(sigmas) >= 2 {
|
||||
minAmpl = sigmas[1]
|
||||
}
|
||||
out, err := vipsGenGaussblur(r.image, sigma, &GaussblurOptions{MinAmpl: &minAmpl})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Sharpen sharpens the image
|
||||
// sigma: sigma of the gaussian
|
||||
// x1: flat/jaggy threshold
|
||||
// m2: slope for jaggy areas
|
||||
func (r *ImageRef) Sharpen(sigma float64, x1 float64, m2 float64) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenSharpen(r.image, &SharpenOptions{Sigma: &sigma, X1: &x1, M2: &m2})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Apply Sobel edge detector to the image.
|
||||
func (r *ImageRef) Sobel() error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenSobel(r.image)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Rank does rank filtering on an image. A window of size width by height is passed over the image.
|
||||
// At each position, the pixels inside the window are sorted into ascending order and the pixel at position
|
||||
// index is output. index numbers from 0.
|
||||
func (r *ImageRef) Rank(width int, height int, index int) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenRank(r.image, width, height, index)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Mapim resamples an image using index to look up pixels
|
||||
func (r *ImageRef) Mapim(index *ImageRef) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenMapim(r.image, index.image, nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Maplut maps an image through another image acting as a LUT (Look Up Table)
|
||||
func (r *ImageRef) Maplut(lut *ImageRef) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenMaplut(r.image, lut.image, nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// ExtractBand extracts one or more bands out of the image (replacing the associated ImageRef)
|
||||
func (r *ImageRef) ExtractBand(band int, num int) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenExtractBand(r.image, band, &ExtractBandOptions{N: &num})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// ExtractBandToImage extracts one or more bands out of the image to a new image
|
||||
func (r *ImageRef) ExtractBandToImage(band int, num int) (*ImageRef, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenExtractBand(r.image, band, &ExtractBandOptions{N: &num})
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return newImageRef(out, ImageTypeUnknown, ImageTypeUnknown, nil), nil
|
||||
}
|
||||
|
||||
// BandJoin joins a set of images together, bandwise.
|
||||
func (r *ImageRef) BandJoin(images ...*ImageRef) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
vipsImages := []*C.VipsImage{r.image}
|
||||
for _, vipsImage := range images {
|
||||
vipsImages = append(vipsImages, vipsImage.image)
|
||||
}
|
||||
|
||||
out, err := vipsGenBandjoin(vipsImages)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// BandSplit split an n-band image into n separate images..
|
||||
func (r *ImageRef) BandSplit() ([]*ImageRef, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
var out []*ImageRef
|
||||
n := 1
|
||||
for i := 0; i < r.Bands(); i++ {
|
||||
img, err := vipsGenExtractBand(r.image, i, &ExtractBandOptions{N: &n})
|
||||
if err != nil {
|
||||
return out, err
|
||||
}
|
||||
out = append(out, &ImageRef{image: img})
|
||||
}
|
||||
return out, nil
|
||||
}
|
||||
|
||||
// BandJoinConst appends a set of constant bands to an image.
|
||||
func (r *ImageRef) BandJoinConst(constants []float64) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
if len(constants) == 0 {
|
||||
return errors.New("BandJoinConst: empty constants slice")
|
||||
}
|
||||
out, err := vipsGenBandjoinConst(r.image, constants)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// AddAlpha adds an alpha channel to the associated image.
|
||||
func (r *ImageRef) AddAlpha() error {
|
||||
defer runtime.KeepAlive(r)
|
||||
if vipsHasAlpha(r.image) {
|
||||
return nil
|
||||
}
|
||||
|
||||
out, err := vipsAddAlpha(r.image)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// PremultiplyAlpha premultiplies the alpha channel.
|
||||
// See https://libvips.github.io/libvips/API/current/libvips-conversion.html#vips-premultiply
|
||||
func (r *ImageRef) PremultiplyAlpha() error {
|
||||
defer runtime.KeepAlive(r)
|
||||
if r.preMultiplication != nil || !vipsHasAlpha(r.image) {
|
||||
return nil
|
||||
}
|
||||
|
||||
band := r.BandFormat()
|
||||
|
||||
out, err := vipsGenPremultiply(r.image, nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.preMultiplication = &PreMultiplicationState{
|
||||
bandFormat: band,
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// UnpremultiplyAlpha unpremultiplies any alpha channel.
|
||||
// See https://libvips.github.io/libvips/API/current/libvips-conversion.html#vips-unpremultiply
|
||||
func (r *ImageRef) UnpremultiplyAlpha() error {
|
||||
defer runtime.KeepAlive(r)
|
||||
if r.preMultiplication == nil {
|
||||
return nil
|
||||
}
|
||||
|
||||
unpremultiplied, err := vipsGenUnpremultiply(r.image, nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
defer clearImage(unpremultiplied)
|
||||
|
||||
out, err := vipsGenCast(unpremultiplied, r.preMultiplication.bandFormat, nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
r.preMultiplication = nil
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Add calculates a sum of the image + addend and stores it back in the image
|
||||
func (r *ImageRef) Add(addend *ImageRef) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenAdd(r.image, addend.image)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Multiply calculates the product of the image * multiplier and stores it back in the image
|
||||
func (r *ImageRef) Multiply(multiplier *ImageRef) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenMultiply(r.image, multiplier.image)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Divide calculates the product of the image / denominator and stores it back in the image
|
||||
func (r *ImageRef) Divide(denominator *ImageRef) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenDivide(r.image, denominator.image)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Average finds the average value in an image
|
||||
func (r *ImageRef) Average() (float64, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenAvg(r.image)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
return out, nil
|
||||
}
|
||||
|
||||
// FindTrim returns the bounding box of the non-border part of the image
|
||||
// Returned values are left, top, width, height
|
||||
func (r *ImageRef) FindTrim(threshold float64, backgroundColor *Color) (int, int, int, int, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
return vipsFindTrim(r.image, threshold, backgroundColor)
|
||||
}
|
||||
|
||||
// GetPoint reads a single pixel on an image.
|
||||
// The pixel values are returned in a slice of length n.
|
||||
func (r *ImageRef) GetPoint(x int, y int) ([]float64, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
n := 3
|
||||
if vipsHasAlpha(r.image) {
|
||||
n = 4
|
||||
}
|
||||
return vipsGetPoint(r.image, n, x, y)
|
||||
}
|
||||
|
||||
// Stats find many image statistics in a single pass through the data. Image is changed into a one-band
|
||||
// `BandFormatDouble` image of at least 10 columns by n + 1 (where n is number of bands in image in)
|
||||
// rows. Columns are statistics, and are, in order: minimum, maximum, sum, sum of squares, mean,
|
||||
// standard deviation, x coordinate of minimum, y coordinate of minimum, x coordinate of maximum,
|
||||
// y coordinate of maximum.
|
||||
//
|
||||
// Row 0 has statistics for all bands together, row 1 has stats for band 1, and so on.
|
||||
//
|
||||
// If there is more than one maxima or minima, one of them will be chosen at random.
|
||||
func (r *ImageRef) Stats() error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenStats(r.image)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// HistogramFind find the histogram the image.
|
||||
// Find the histogram for all bands (producing a one-band histogram).
|
||||
// char and uchar images are cast to uchar before histogramming, all other image types are cast to ushort.
|
||||
func (r *ImageRef) HistogramFind() error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenHistFind(r.image, nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// HistogramCumulative form cumulative histogram.
|
||||
func (r *ImageRef) HistogramCumulative() error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenHistCum(r.image)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// HistogramNormalise
|
||||
// The maximum of each band becomes equal to the maximum index, so for example the max for a uchar
|
||||
// image becomes 255. Normalise each band separately.
|
||||
func (r *ImageRef) HistogramNormalise() error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenHistNorm(r.image)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// HistogramEntropy estimate image entropy from a histogram. Entropy is calculated as:
|
||||
// `-sum(p * log2(p))`
|
||||
// where p is histogram-value / sum-of-histogram-values.
|
||||
func (r *ImageRef) HistogramEntropy() (float64, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
return vipsGenHistEntropy(r.image)
|
||||
}
|
||||
|
||||
// DrawRect draws an (optionally filled) rectangle with a single colour
|
||||
func (r *ImageRef) DrawRect(ink ColorRGBA, left int, top int, width int, height int, fill bool) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
err := vipsDrawRect(r.image, ink, left, top, width, height, fill)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Subtract calculate subtract operation between two images.
|
||||
func (r *ImageRef) Subtract(in2 *ImageRef) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenSubtract(r.image, in2.image)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Abs calculate abs operation.
|
||||
func (r *ImageRef) Abs() error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenAbs(r.image)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Project calculate project operation.
|
||||
func (r *ImageRef) Project() (*ImageRef, *ImageRef, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
col, row, err := vipsGenProject(r.image)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
|
||||
return newImageRef(col, r.format, r.originalFormat, nil), newImageRef(row, r.format, r.originalFormat, nil), nil
|
||||
}
|
||||
|
||||
// Min finds the minimum value in an image.
|
||||
func (r *ImageRef) Min() (float64, int, int, error) {
|
||||
defer runtime.KeepAlive(r)
|
||||
return vipsMin(r.image)
|
||||
}
|
||||
+402
@@ -0,0 +1,402 @@
|
||||
package vips
|
||||
|
||||
// #include "image.h"
|
||||
import "C"
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"math"
|
||||
"runtime"
|
||||
"unsafe"
|
||||
)
|
||||
|
||||
// GetRotationAngleFromExif returns the angle which the image is currently rotated in.
|
||||
// First returned value is the angle and second is a boolean indicating whether image is flipped.
|
||||
// This is based on the EXIF orientation tag standard.
|
||||
// If no proper orientation number is provided, the picture will be assumed to be upright.
|
||||
func GetRotationAngleFromExif(orientation int) (Angle, bool) {
|
||||
switch orientation {
|
||||
case 0, 1, 2:
|
||||
return Angle0, orientation == 2
|
||||
case 3, 4:
|
||||
return Angle180, orientation == 4
|
||||
case 5, 8:
|
||||
return Angle90, orientation == 5
|
||||
case 6, 7:
|
||||
return Angle270, orientation == 7
|
||||
}
|
||||
|
||||
return Angle0, false
|
||||
}
|
||||
|
||||
// AutoRotate rotates the image upright based on the EXIF Orientation tag.
|
||||
// It also resets the orientation information in the EXIF tag to be 1 (i.e. upright).
|
||||
// N.B. libvips does not flip images currently (i.e. no support for orientations 2, 4, 5 and 7).
|
||||
// N.B. due to the HEIF image standard, HEIF images are always autorotated by default on load.
|
||||
// Thus, calling AutoRotate for HEIF images is not needed.
|
||||
// todo: use https://www.libvips.org/API/current/libvips-conversion.html#vips-autorot-remove-angle
|
||||
func (r *ImageRef) AutoRotate() error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, _, _, err := vipsGenAutorot(r.image)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// ExtractArea crops the image to a specified area
|
||||
func (r *ImageRef) ExtractArea(left, top, width, height int) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
if r.Height() > r.PageHeight() {
|
||||
// use animated extract area if more than 1 pages loaded
|
||||
out, err := vipsExtractAreaMultiPage(r.image, left, top, width, height)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
} else {
|
||||
out, err := vipsExtractArea(r.image, left, top, width, height)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Resize resizes the image based on the scale, maintaining aspect ratio
|
||||
func (r *ImageRef) Resize(scale float64, kernel Kernel) error {
|
||||
return r.ResizeWithVScale(scale, -1, kernel)
|
||||
}
|
||||
|
||||
// ResizeWithVScale resizes the image with both horizontal and vertical scaling.
|
||||
// The parameters are the scaling factors.
|
||||
func (r *ImageRef) ResizeWithVScale(hScale, vScale float64, kernel Kernel) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
if err := r.PremultiplyAlpha(); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
pages := r.Pages()
|
||||
pageHeight := r.PageHeight()
|
||||
|
||||
out, err := vipsResizeWithVScale(r.image, hScale, vScale, kernel)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
|
||||
if pages > 1 {
|
||||
scale := hScale
|
||||
if vScale != -1 {
|
||||
scale = vScale
|
||||
}
|
||||
newPageHeight := int(math.Round(float64(pageHeight) * scale))
|
||||
if err := r.SetPageHeight(newPageHeight); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
return r.UnpremultiplyAlpha()
|
||||
}
|
||||
|
||||
// Thumbnail resizes the image to the given width and height.
|
||||
// crop decides algorithm vips uses to shrink and crop to fill target,
|
||||
func (r *ImageRef) Thumbnail(width, height int, crop Interesting) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsThumbnail(r.image, width, height, crop, SizeBoth)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// ThumbnailWithSize resizes the image to the given width and height.
|
||||
// crop decides algorithm vips uses to shrink and crop to fill target,
|
||||
// size controls upsize, downsize, both or force
|
||||
func (r *ImageRef) ThumbnailWithSize(width, height int, crop Interesting, size Size) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsThumbnail(r.image, width, height, crop, size)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Embed embeds the given picture in a new one, i.e. the opposite of ExtractArea
|
||||
func (r *ImageRef) Embed(left, top, width, height int, extend ExtendStrategy) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
if r.Height() > r.PageHeight() {
|
||||
out, err := vipsEmbedMultiPage(r.image, left, top, width, height, extend)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
} else {
|
||||
out, err := vipsEmbed(r.image, left, top, width, height, extend)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// EmbedBackground embeds the given picture with a background color
|
||||
func (r *ImageRef) EmbedBackground(left, top, width, height int, backgroundColor *Color) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
c := &ColorRGBA{
|
||||
R: backgroundColor.R,
|
||||
G: backgroundColor.G,
|
||||
B: backgroundColor.B,
|
||||
A: 255,
|
||||
}
|
||||
if r.Height() > r.PageHeight() {
|
||||
out, err := vipsEmbedMultiPageBackground(r.image, left, top, width, height, c)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
} else {
|
||||
out, err := vipsEmbedBackground(r.image, left, top, width, height, c)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// EmbedBackgroundRGBA embeds the given picture with a background rgba color
|
||||
func (r *ImageRef) EmbedBackgroundRGBA(left, top, width, height int, backgroundColor *ColorRGBA) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
if r.Height() > r.PageHeight() {
|
||||
out, err := vipsEmbedMultiPageBackground(r.image, left, top, width, height, backgroundColor)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
} else {
|
||||
out, err := vipsEmbedBackground(r.image, left, top, width, height, backgroundColor)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Zoom zooms the image by repeating pixels (fast nearest-neighbour)
|
||||
func (r *ImageRef) Zoom(xFactor int, yFactor int) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenZoom(r.image, xFactor, yFactor)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
func (r *ImageRef) Gravity(gravity Gravity, width int, height int) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenGravity(r.image, gravity, width, height, nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Flip flips the image either horizontally or vertically based on the parameter
|
||||
func (r *ImageRef) Flip(direction Direction) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsFlip(r.image, direction)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Recomb recombines the image bands using the matrix provided
|
||||
func (r *ImageRef) Recomb(matrix [][]float64) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
numBands := r.Bands()
|
||||
// Ensure the provided matrix is 3x3
|
||||
if len(matrix) != 3 || len(matrix[0]) != 3 || len(matrix[1]) != 3 || len(matrix[2]) != 3 {
|
||||
return errors.New("Invalid recombination matrix")
|
||||
}
|
||||
// If the image is RGBA, expand the matrix to 4x4
|
||||
if numBands == 4 {
|
||||
matrix = append(matrix, []float64{0, 0, 0, 1})
|
||||
for i := 0; i < 3; i++ {
|
||||
matrix[i] = append(matrix[i], 0)
|
||||
}
|
||||
} else if numBands != 3 {
|
||||
return errors.New("Unsupported number of bands")
|
||||
}
|
||||
|
||||
// Flatten the matrix
|
||||
matrixValues := make([]float64, 0, numBands*numBands)
|
||||
for _, row := range matrix {
|
||||
for _, value := range row {
|
||||
matrixValues = append(matrixValues, value)
|
||||
}
|
||||
}
|
||||
|
||||
// Convert the Go slice to a C array and get its size
|
||||
matrixPtr := unsafe.Pointer(&matrixValues[0])
|
||||
matrixSize := C.size_t(len(matrixValues) * 8) // 8 bytes for each float64
|
||||
|
||||
// Create a VipsImage from the matrix in memory
|
||||
matrixImage := C.vips_image_new_from_memory(matrixPtr, matrixSize, C.int(numBands), C.int(numBands), 1, C.VIPS_FORMAT_DOUBLE)
|
||||
defer clearImage(matrixImage)
|
||||
|
||||
if matrixImage == nil {
|
||||
return handleVipsError()
|
||||
}
|
||||
|
||||
// Recombine the image using the matrix
|
||||
out, err := vipsGenRecomb(r.image, matrixImage)
|
||||
runtime.KeepAlive(matrixValues)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Rotate rotates the image by multiples of 90 degrees. To rotate by arbitrary angles use Similarity.
|
||||
func (r *ImageRef) Rotate(angle Angle) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
width := r.Width()
|
||||
|
||||
if r.Pages() > 1 && (angle == Angle90 || angle == Angle270) {
|
||||
if angle == Angle270 {
|
||||
if err := r.Flip(DirectionHorizontal); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
if err := r.Grid(r.PageHeight(), r.Pages(), 1); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if angle == Angle270 {
|
||||
if err := r.Flip(DirectionHorizontal); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
out, err := vipsGenRot(r.image, angle)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
|
||||
if r.Pages() > 1 && (angle == Angle90 || angle == Angle270) {
|
||||
if err := r.SetPageHeight(width); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Similarity lets you scale, offset and rotate images by arbitrary angles in a single operation while defining the
|
||||
// color of new background pixels. If the input image has no alpha channel, the alpha on `backgroundColor` will be
|
||||
// ignored. You can add an alpha channel to an image with `BandJoinConst` (e.g. `img.BandJoinConst([]float64{255})`) or
|
||||
// AddAlpha.
|
||||
func (r *ImageRef) Similarity(scale float64, angle float64, backgroundColor *ColorRGBA,
|
||||
idx float64, idy float64, odx float64, ody float64) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsSimilarity(r.image, scale, angle, backgroundColor, idx, idy, odx, ody)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Grid tiles the image pages into a matrix across*down
|
||||
func (r *ImageRef) Grid(tileHeight, across, down int) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenGrid(r.image, tileHeight, across, down)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// SmartCrop will crop the image based on interesting factor
|
||||
func (r *ImageRef) SmartCrop(width int, height int, interesting Interesting) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsSmartCrop(r.image, width, height, interesting)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Crop will crop the image based on coordinate and box size
|
||||
func (r *ImageRef) Crop(left int, top int, width int, height int) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsCrop(r.image, left, top, width, height)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Label overlays a label on top of the image
|
||||
func (r *ImageRef) Label(labelParams *LabelParams) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := labelImage(r.image, labelParams)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Replicate repeats an image many times across and down
|
||||
func (r *ImageRef) Replicate(across int, down int) error {
|
||||
defer runtime.KeepAlive(r)
|
||||
out, err := vipsGenReplicate(r.image, across, down)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
r.setImage(out)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Pixelate applies a simple pixelate filter to the image
|
||||
func Pixelate(imageRef *ImageRef, factor float64) (err error) {
|
||||
if factor < 1 {
|
||||
return errors.New("factor must be greater then 1")
|
||||
}
|
||||
|
||||
width := imageRef.Width()
|
||||
height := imageRef.Height()
|
||||
|
||||
if err = imageRef.Resize(1/factor, KernelAuto); err != nil {
|
||||
return
|
||||
}
|
||||
|
||||
hScale := float64(width) / float64(imageRef.Width())
|
||||
vScale := float64(height) / float64(imageRef.Height())
|
||||
if err = imageRef.ResizeWithVScale(hScale, vScale, KernelNearest); err != nil {
|
||||
return
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
+20
@@ -0,0 +1,20 @@
|
||||
package vips
|
||||
|
||||
// #include <vips/vips.h>
|
||||
import "C"
|
||||
|
||||
import "unsafe"
|
||||
|
||||
// NewInterpolate creates a VipsInterpolate from a name string.
|
||||
// Common names: "nearest", "bilinear", "bicubic", "nohalo", "vsqbs", "lbb".
|
||||
// The caller should call g_object_unref on the result when done, or pass it
|
||||
// to a generated operation (which does not take ownership).
|
||||
func NewInterpolate(name string) (*C.VipsInterpolate, error) {
|
||||
cName := C.CString(name)
|
||||
defer C.free(unsafe.Pointer(cName))
|
||||
interp := C.vips_interpolate_new(cName)
|
||||
if interp == nil {
|
||||
return nil, handleVipsError()
|
||||
}
|
||||
return interp, nil
|
||||
}
|
||||
+62
@@ -0,0 +1,62 @@
|
||||
package vips
|
||||
|
||||
// #include <vips/vips.h>
|
||||
// #include <stdlib.h>
|
||||
import "C"
|
||||
|
||||
import (
|
||||
"reflect"
|
||||
"unsafe"
|
||||
)
|
||||
|
||||
func freeCString(s *C.char) {
|
||||
C.free(unsafe.Pointer(s))
|
||||
}
|
||||
|
||||
func gFreePointer(ref unsafe.Pointer) {
|
||||
C.g_free(C.gpointer(ref))
|
||||
}
|
||||
|
||||
func boolToInt(b bool) int {
|
||||
if b {
|
||||
return 1
|
||||
}
|
||||
return 0
|
||||
}
|
||||
|
||||
func toGboolean(b bool) C.gboolean {
|
||||
if b {
|
||||
return C.gboolean(1)
|
||||
}
|
||||
return C.gboolean(0)
|
||||
}
|
||||
|
||||
func fromGboolean(b C.gboolean) bool {
|
||||
return b != 0
|
||||
}
|
||||
|
||||
func fromCArrayInt(out *C.int, n int) []int {
|
||||
var result = make([]int, n)
|
||||
var data []C.int
|
||||
sh := (*reflect.SliceHeader)(unsafe.Pointer(&data))
|
||||
sh.Data = uintptr(unsafe.Pointer(out))
|
||||
sh.Len = n
|
||||
sh.Cap = n
|
||||
for i := range data {
|
||||
result[i] = int(data[i])
|
||||
}
|
||||
return result
|
||||
}
|
||||
|
||||
func fromCArrayDouble(out *C.double, n int) []float64 {
|
||||
if out == nil || n <= 0 {
|
||||
return nil
|
||||
}
|
||||
|
||||
data := make([]float64, n)
|
||||
for i := 0; i < n; i++ {
|
||||
data[i] = float64(*(*C.double)(unsafe.Pointer(uintptr(unsafe.Pointer(out)) + uintptr(i)*unsafe.Sizeof(C.double(0)))))
|
||||
}
|
||||
|
||||
return data
|
||||
}
|
||||
+2
@@ -0,0 +1,2 @@
|
||||
#include <stdlib.h>
|
||||
#include <vips/vips.h>
|
||||
+98
@@ -0,0 +1,98 @@
|
||||
package vips
|
||||
|
||||
// #include <glib.h>
|
||||
import "C"
|
||||
import (
|
||||
"log"
|
||||
)
|
||||
|
||||
// LogLevel is the enum controlling logging message verbosity.
|
||||
type LogLevel int
|
||||
|
||||
// The logging verbosity levels classify and filter logging messages.
|
||||
// From most to least verbose, they are debug, info, message, warning, critical and error.
|
||||
const (
|
||||
LogLevelError LogLevel = C.G_LOG_LEVEL_ERROR
|
||||
LogLevelCritical LogLevel = C.G_LOG_LEVEL_CRITICAL
|
||||
LogLevelWarning LogLevel = C.G_LOG_LEVEL_WARNING
|
||||
LogLevelMessage LogLevel = C.G_LOG_LEVEL_MESSAGE
|
||||
LogLevelInfo LogLevel = C.G_LOG_LEVEL_INFO
|
||||
LogLevelDebug LogLevel = C.G_LOG_LEVEL_DEBUG
|
||||
)
|
||||
|
||||
// Three global variables which keep state of the current logging handler
|
||||
// function, desired verbosity for logging and whether defaults have been
|
||||
// overridden. Set by LoggingSettings()
|
||||
var (
|
||||
currentLoggingHandlerFunction LoggingHandlerFunction
|
||||
currentLoggingVerbosity LogLevel
|
||||
currentLoggingOverridden bool
|
||||
)
|
||||
|
||||
// govipsLoggingHandler is the private bridge function exported to the C library
|
||||
// and called by glib and libvips for each logging message. It will call govipsLog
|
||||
// which in turn will filter based on verbosity and direct the messages to the
|
||||
// currently chosen LoggingHandlerFunction.
|
||||
//
|
||||
//export govipsLoggingHandler
|
||||
func govipsLoggingHandler(messageDomain *C.char, messageLevel C.int, message *C.char) {
|
||||
govipsLog(C.GoString(messageDomain), LogLevel(messageLevel), C.GoString(message))
|
||||
}
|
||||
|
||||
// LoggingHandlerFunction is a function which will be called for each log message.
|
||||
// By default, govips sends logging messages to os.Stderr. If you want to log elsewhere
|
||||
// such as to a file or to a state variable which you inspect yourself, define a new
|
||||
// logging handler function and set it via LoggingSettings().
|
||||
type LoggingHandlerFunction func(messageDomain string, messageLevel LogLevel, message string)
|
||||
|
||||
// LoggingSettings sets the logging handler and logging verbosity for govips.
|
||||
// The handler function is the function which will be called for each log message.
|
||||
// You can define one yourself to log somewhere else besides the default (stderr).
|
||||
// Use nil as handler to use standard logging handler.
|
||||
// Verbosity is the minimum logLevel you want to log. Default is logLevelInfo
|
||||
// due to backwards compatibility but it's quite verbose for a library.
|
||||
// Suggest setting it to at least logLevelWarning. Use logLevelDebug for debugging.
|
||||
func LoggingSettings(handler LoggingHandlerFunction, verbosity LogLevel) {
|
||||
currentLoggingOverridden = true
|
||||
govipsLoggingSettings(handler, verbosity)
|
||||
}
|
||||
|
||||
func govipsLoggingSettings(handler LoggingHandlerFunction, verbosity LogLevel) {
|
||||
if handler == nil {
|
||||
currentLoggingHandlerFunction = defaultLoggingHandlerFunction
|
||||
} else {
|
||||
currentLoggingHandlerFunction = handler
|
||||
}
|
||||
|
||||
currentLoggingVerbosity = verbosity
|
||||
// TODO turn on debugging in libvips and redirect to handler when setting verbosity to debug
|
||||
// This way debugging information would go to the same channel as all other logging
|
||||
}
|
||||
|
||||
func defaultLoggingHandlerFunction(messageDomain string, messageLevel LogLevel, message string) {
|
||||
var messageLevelDescription string
|
||||
switch messageLevel {
|
||||
case LogLevelError:
|
||||
messageLevelDescription = "error"
|
||||
case LogLevelCritical:
|
||||
messageLevelDescription = "critical"
|
||||
case LogLevelWarning:
|
||||
messageLevelDescription = "warning"
|
||||
case LogLevelMessage:
|
||||
messageLevelDescription = "message"
|
||||
case LogLevelInfo:
|
||||
messageLevelDescription = "info"
|
||||
case LogLevelDebug:
|
||||
messageLevelDescription = "debug"
|
||||
}
|
||||
|
||||
log.Printf("[%v.%v] %v", messageDomain, messageLevelDescription, message)
|
||||
}
|
||||
|
||||
// govipsLog is the default function used to log debug or error messages internally in govips.
|
||||
// It's used by all govips functionality directly, as well as by glib and libvips via the C bridge.
|
||||
func govipsLog(messageDomain string, messageLevel LogLevel, message string) {
|
||||
if messageLevel <= currentLoggingVerbosity {
|
||||
currentLoggingHandlerFunction(messageDomain, messageLevel, message)
|
||||
}
|
||||
}
|
||||
+57
@@ -0,0 +1,57 @@
|
||||
package vips
|
||||
|
||||
import "math"
|
||||
|
||||
// Scalar is the basic scalar measurement of an image's height, width or offset coordinate.
|
||||
type Scalar struct {
|
||||
Value float64
|
||||
Relative bool
|
||||
}
|
||||
|
||||
// ValueOf takes a floating point value and returns a corresponding Scalar struct
|
||||
func ValueOf(value float64) Scalar {
|
||||
return Scalar{value, false}
|
||||
}
|
||||
|
||||
// IsZero checks whether the associated Scalar's value is zero.
|
||||
func (s *Scalar) IsZero() bool {
|
||||
return s.Value == 0 && !s.Relative
|
||||
}
|
||||
|
||||
// SetInt sets an integer value for the associated Scalar.
|
||||
func (s *Scalar) SetInt(value int) {
|
||||
s.Set(float64(value))
|
||||
}
|
||||
|
||||
// Set sets a float value for the associated Scalar.
|
||||
func (s *Scalar) Set(value float64) {
|
||||
s.Value = value
|
||||
s.Relative = false
|
||||
}
|
||||
|
||||
// SetScale sets a float value for the associated Scalar and makes it relative.
|
||||
func (s *Scalar) SetScale(f float64) {
|
||||
s.Value = f
|
||||
s.Relative = true
|
||||
}
|
||||
|
||||
// Get returns the value of the scalar. Either absolute, or if relative, multiplied by the base given as parameter.
|
||||
func (s *Scalar) Get(base int) float64 {
|
||||
if s.Relative {
|
||||
return s.Value * float64(base)
|
||||
}
|
||||
return s.Value
|
||||
}
|
||||
|
||||
// GetRounded returns the value of the associated Scalar, rounded to the nearest integer, if absolute.
|
||||
// If the Scalar is relative, it will be multiplied by the supplied base parameter.
|
||||
func (s *Scalar) GetRounded(base int) int {
|
||||
return roundFloat(s.Get(base))
|
||||
}
|
||||
|
||||
func roundFloat(f float64) int {
|
||||
if f < 0 {
|
||||
return int(math.Ceil(f - 0.5))
|
||||
}
|
||||
return int(math.Floor(f + 0.5))
|
||||
}
|
||||
+503
@@ -0,0 +1,503 @@
|
||||
// operations.c - Hand-written C bridge functions for libvips operations
|
||||
|
||||
#include "lang.h"
|
||||
#include "operations.h"
|
||||
|
||||
#include <unistd.h>
|
||||
|
||||
static int is_16bit(VipsInterpretation interpretation);
|
||||
|
||||
// Arithmetic
|
||||
|
||||
int find_trim(VipsImage *in, int *left, int *top, int *width, int *height,
|
||||
double threshold, double r, double g, double b) {
|
||||
|
||||
if (in->Type == VIPS_INTERPRETATION_RGB16 || in->Type == VIPS_INTERPRETATION_GREY16) {
|
||||
r = 65535 * r / 255;
|
||||
g = 65535 * g / 255;
|
||||
b = 65535 * b / 255;
|
||||
}
|
||||
|
||||
double background[3] = {r, g, b};
|
||||
VipsArrayDouble *vipsBackground = vips_array_double_new(background, 3);
|
||||
|
||||
int code = vips_find_trim(in, left, top, width, height, "threshold", threshold, "background", vipsBackground, NULL);
|
||||
|
||||
vips_area_unref(VIPS_AREA(vipsBackground));
|
||||
return code;
|
||||
}
|
||||
|
||||
int getpoint(VipsImage *in, double **vector, int n, int x, int y) {
|
||||
return vips_getpoint(in, vector, &n, x, y, NULL);
|
||||
}
|
||||
|
||||
int minOp(VipsImage *in, double *out, int *x, int *y, int size) {
|
||||
return vips_min(in, out, "x", x, "y", y, "size", size, NULL);
|
||||
}
|
||||
|
||||
// Color
|
||||
|
||||
int is_colorspace_supported(VipsImage *in) {
|
||||
return vips_colourspace_issupported(in) ? 1 : 0;
|
||||
}
|
||||
|
||||
int to_colorspace(VipsImage *in, VipsImage **out, VipsInterpretation space) {
|
||||
return vips_colourspace(in, out, space, NULL);
|
||||
}
|
||||
|
||||
// https://libvips.github.io/libvips/API/8.6/libvips-colour.html#vips-icc-transform
|
||||
int icc_transform(VipsImage *in, VipsImage **out, const char *output_profile, const char *input_profile, VipsIntent intent,
|
||||
int depth, gboolean embedded) {
|
||||
return vips_icc_transform(
|
||||
in, out, output_profile,
|
||||
"input_profile", input_profile ? input_profile : "none",
|
||||
"intent", intent,
|
||||
"depth", depth ? depth : 8,
|
||||
"embedded", embedded,
|
||||
NULL);
|
||||
}
|
||||
|
||||
// Conversion
|
||||
|
||||
int embed_image(VipsImage *in, VipsImage **out, int left, int top, int width,
|
||||
int height, int extend) {
|
||||
return vips_embed(in, out, left, top, width, height, "extend", extend, NULL);
|
||||
}
|
||||
|
||||
int embed_image_background(VipsImage *in, VipsImage **out, int left, int top, int width,
|
||||
int height, double r, double g, double b, double a) {
|
||||
|
||||
double background[3] = {r, g, b};
|
||||
double backgroundRGBA[4] = {r, g, b, a};
|
||||
|
||||
VipsArrayDouble *vipsBackground;
|
||||
|
||||
if (in->Bands <= 3) {
|
||||
vipsBackground = vips_array_double_new(background, 3);
|
||||
} else {
|
||||
vipsBackground = vips_array_double_new(backgroundRGBA, 4);
|
||||
}
|
||||
|
||||
int code = vips_embed(in, out, left, top, width, height,
|
||||
"extend", VIPS_EXTEND_BACKGROUND, "background", vipsBackground, NULL);
|
||||
|
||||
vips_area_unref(VIPS_AREA(vipsBackground));
|
||||
return code;
|
||||
}
|
||||
|
||||
int embed_multi_page_image(VipsImage *in, VipsImage **out, int left, int top, int width,
|
||||
int height, int extend) {
|
||||
VipsObject *base = VIPS_OBJECT(vips_image_new());
|
||||
int page_height = vips_image_get_page_height(in);
|
||||
int in_width = in->Xsize;
|
||||
int n_pages = in->Ysize / page_height;
|
||||
|
||||
VipsImage **page = (VipsImage **) vips_object_local_array(base, n_pages);
|
||||
VipsImage **embedded_page = (VipsImage **) vips_object_local_array(base, n_pages);
|
||||
VipsImage **copy = (VipsImage **) vips_object_local_array(base, 1);
|
||||
|
||||
// split image into cropped frames
|
||||
for (int i = 0; i < n_pages; i++) {
|
||||
if (
|
||||
vips_extract_area(in, &page[i], 0, page_height * i, in_width, page_height, NULL) ||
|
||||
vips_embed(page[i], &embedded_page[i], left, top, width, height, "extend", extend, NULL)
|
||||
) {
|
||||
g_object_unref(base);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
// reassemble frames and set page height
|
||||
// copy before modifying metadata
|
||||
if(
|
||||
vips_arrayjoin(embedded_page, ©[0], n_pages, "across", 1, NULL) ||
|
||||
vips_copy(copy[0], out, NULL)
|
||||
) {
|
||||
g_object_unref(base);
|
||||
return -1;
|
||||
}
|
||||
vips_image_set_int(*out, VIPS_META_PAGE_HEIGHT, height);
|
||||
g_object_unref(base);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int embed_multi_page_image_background(VipsImage *in, VipsImage **out, int left, int top, int width,
|
||||
int height, double r, double g, double b, double a) {
|
||||
double background[3] = {r, g, b};
|
||||
double backgroundRGBA[4] = {r, g, b, a};
|
||||
|
||||
VipsArrayDouble *vipsBackground;
|
||||
|
||||
if (in->Bands <= 3) {
|
||||
vipsBackground = vips_array_double_new(background, 3);
|
||||
} else {
|
||||
vipsBackground = vips_array_double_new(backgroundRGBA, 4);
|
||||
}
|
||||
VipsObject *base = VIPS_OBJECT(vips_image_new());
|
||||
int page_height = vips_image_get_page_height(in);
|
||||
int in_width = in->Xsize;
|
||||
int n_pages = in->Ysize / page_height;
|
||||
|
||||
VipsImage **page = (VipsImage **) vips_object_local_array(base, n_pages);
|
||||
VipsImage **embedded_page = (VipsImage **) vips_object_local_array(base, n_pages);
|
||||
VipsImage **copy = (VipsImage **) vips_object_local_array(base, 1);
|
||||
|
||||
// split image into cropped frames
|
||||
for (int i = 0; i < n_pages; i++) {
|
||||
if (
|
||||
vips_extract_area(in, &page[i], 0, page_height * i, in_width, page_height, NULL) ||
|
||||
vips_embed(page[i], &embedded_page[i], left, top, width, height,
|
||||
"extend", VIPS_EXTEND_BACKGROUND, "background", vipsBackground, NULL)
|
||||
) {
|
||||
vips_area_unref(VIPS_AREA(vipsBackground));
|
||||
g_object_unref(base);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
// reassemble frames and set page height
|
||||
// copy before modifying metadata
|
||||
if(
|
||||
vips_arrayjoin(embedded_page, ©[0], n_pages, "across", 1, NULL) ||
|
||||
vips_copy(copy[0], out, NULL)
|
||||
) {
|
||||
vips_area_unref(VIPS_AREA(vipsBackground));
|
||||
g_object_unref(base);
|
||||
return -1;
|
||||
}
|
||||
vips_image_set_int(*out, VIPS_META_PAGE_HEIGHT, height);
|
||||
vips_area_unref(VIPS_AREA(vipsBackground));
|
||||
g_object_unref(base);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
int similarity(VipsImage *in, VipsImage **out, double scale, double angle,
|
||||
double r, double g, double b, double a, double idx, double idy,
|
||||
double odx, double ody) {
|
||||
if (is_16bit(in->Type)) {
|
||||
r = 65535 * r / 255;
|
||||
g = 65535 * g / 255;
|
||||
b = 65535 * b / 255;
|
||||
a = 65535 * a / 255;
|
||||
}
|
||||
|
||||
double background[3] = {r, g, b};
|
||||
double backgroundRGBA[4] = {r, g, b, a};
|
||||
|
||||
VipsArrayDouble *vipsBackground;
|
||||
|
||||
// Ignore the alpha channel if the image doesn't have one
|
||||
if (in->Bands <= 3) {
|
||||
vipsBackground = vips_array_double_new(background, 3);
|
||||
} else {
|
||||
vipsBackground = vips_array_double_new(backgroundRGBA, 4);
|
||||
}
|
||||
|
||||
int code = vips_similarity(in, out, "scale", scale, "angle", angle,
|
||||
"background", vipsBackground, "idx", idx, "idy",
|
||||
idy, "odx", odx, "ody", ody, NULL);
|
||||
|
||||
vips_area_unref(VIPS_AREA(vipsBackground));
|
||||
return code;
|
||||
}
|
||||
|
||||
int crop(VipsImage *in, VipsImage **out, int left, int top,
|
||||
int width, int height) {
|
||||
// resolve image pages
|
||||
int page_height = vips_image_get_page_height(in);
|
||||
int n_pages = in->Ysize / page_height;
|
||||
if (n_pages <= 1) {
|
||||
return vips_crop(in, out, left, top, width, height, NULL);
|
||||
}
|
||||
|
||||
int in_width = in->Xsize;
|
||||
VipsObject *base = VIPS_OBJECT(vips_image_new());
|
||||
VipsImage **page = (VipsImage **) vips_object_local_array(base, n_pages);
|
||||
VipsImage **cropped_page = (VipsImage **) vips_object_local_array(base, n_pages);
|
||||
VipsImage **copy = (VipsImage **) vips_object_local_array(base, 1);
|
||||
// split image into cropped frames
|
||||
for (int i = 0; i < n_pages; i++) {
|
||||
if (
|
||||
vips_extract_area(in, &page[i], 0, page_height * i, in_width, page_height, NULL) ||
|
||||
vips_crop(page[i], &cropped_page[i], left, top, width, height, NULL)
|
||||
) {
|
||||
g_object_unref(base);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
// reassemble frames and set page height
|
||||
// copy before modifying metadata
|
||||
if(
|
||||
vips_arrayjoin(cropped_page, ©[0], n_pages, "across", 1, NULL) ||
|
||||
vips_copy(copy[0], out, NULL)
|
||||
) {
|
||||
g_object_unref(base);
|
||||
return -1;
|
||||
}
|
||||
vips_image_set_int(*out, VIPS_META_PAGE_HEIGHT, height);
|
||||
g_object_unref(base);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int is_16bit(VipsInterpretation interpretation) {
|
||||
return interpretation == VIPS_INTERPRETATION_RGB16 ||
|
||||
interpretation == VIPS_INTERPRETATION_GREY16;
|
||||
}
|
||||
|
||||
int composite_image(VipsImage **in, VipsImage **out, int n, int *mode, int *x,
|
||||
int *y) {
|
||||
VipsArrayInt *xs = vips_array_int_new(x, n - 1);
|
||||
VipsArrayInt *ys = vips_array_int_new(y, n - 1);
|
||||
|
||||
int code = vips_composite(in, out, n, mode, "x", xs, "y", ys, NULL);
|
||||
|
||||
vips_area_unref(VIPS_AREA(xs));
|
||||
vips_area_unref(VIPS_AREA(ys));
|
||||
return code;
|
||||
}
|
||||
|
||||
int join(VipsImage *in1, VipsImage *in2, VipsImage **out, int direction) {
|
||||
return vips_join(in1, in2, out, direction, NULL);
|
||||
}
|
||||
|
||||
int add_alpha(VipsImage *in, VipsImage **out) {
|
||||
return vips_addalpha(in, out, NULL);
|
||||
}
|
||||
|
||||
// Create
|
||||
|
||||
// https://libvips.github.io/libvips/API/current/libvips-create.html#vips-text
|
||||
int text(VipsImage **out, TextOptions *o) {
|
||||
return vips_text(out, o->Text, "font", o->Font, "width", o->Width, "height", o->Height, "align", o->Align,
|
||||
"dpi", o->DPI, "rgba", o->RGBA, "justify", o->Justify, "spacing", o->Spacing, "wrap", o->Wrap, NULL);
|
||||
}
|
||||
|
||||
// Draw
|
||||
|
||||
int draw_rect(VipsImage *in, double r, double g, double b, double a, int left,
|
||||
int top, int width, int height, int fill) {
|
||||
if (is_16bit(in->Type)) {
|
||||
r = 65535 * r / 255;
|
||||
g = 65535 * g / 255;
|
||||
b = 65535 * b / 255;
|
||||
a = 65535 * a / 255;
|
||||
}
|
||||
|
||||
double background[3] = {r, g, b};
|
||||
double backgroundRGBA[4] = {r, g, b, a};
|
||||
|
||||
if (in->Bands <= 3) {
|
||||
return vips_draw_rect(in, background, 3, left, top, width, height, "fill",
|
||||
fill, NULL);
|
||||
} else {
|
||||
return vips_draw_rect(in, backgroundRGBA, 4, left, top, width, height,
|
||||
"fill", fill, NULL);
|
||||
}
|
||||
}
|
||||
|
||||
// Header
|
||||
|
||||
unsigned long has_icc_profile(VipsImage *in) {
|
||||
return vips_image_get_typeof(in, VIPS_META_ICC_NAME);
|
||||
}
|
||||
|
||||
unsigned long get_icc_profile(VipsImage *in, const void **data,
|
||||
size_t *dataLength) {
|
||||
return image_get_blob(in, VIPS_META_ICC_NAME, data, dataLength);
|
||||
}
|
||||
|
||||
gboolean remove_icc_profile(VipsImage *in) {
|
||||
return vips_image_remove(in, VIPS_META_ICC_NAME);
|
||||
}
|
||||
|
||||
unsigned long has_iptc(VipsImage *in) {
|
||||
return vips_image_get_typeof(in, VIPS_META_IPTC_NAME);
|
||||
}
|
||||
|
||||
char **image_get_fields(VipsImage *in) { return vips_image_get_fields(in); }
|
||||
|
||||
void image_set_string(VipsImage *in, const char *name, const char *str) {
|
||||
vips_image_set_string(in, name, str);
|
||||
}
|
||||
|
||||
unsigned long image_get_string(VipsImage *in, const char *name,
|
||||
const char **out) {
|
||||
return vips_image_get_string(in, name, out);
|
||||
}
|
||||
|
||||
unsigned long image_get_as_string(VipsImage *in, const char *name, char **out) {
|
||||
return vips_image_get_as_string(in, name, out);
|
||||
}
|
||||
|
||||
void remove_field(VipsImage *in, char *field) { vips_image_remove(in, field); }
|
||||
|
||||
int get_meta_orientation(VipsImage *in) {
|
||||
int orientation = 0;
|
||||
if (vips_image_get_typeof(in, VIPS_META_ORIENTATION) != 0) {
|
||||
vips_image_get_int(in, VIPS_META_ORIENTATION, &orientation);
|
||||
}
|
||||
|
||||
return orientation;
|
||||
}
|
||||
|
||||
void remove_meta_orientation(VipsImage *in) {
|
||||
vips_image_remove(in, VIPS_META_ORIENTATION);
|
||||
}
|
||||
|
||||
void set_meta_orientation(VipsImage *in, int orientation) {
|
||||
vips_image_set_int(in, VIPS_META_ORIENTATION, orientation);
|
||||
}
|
||||
|
||||
// https://libvips.github.io/libvips/API/current/libvips-header.html#vips-image-get-n-pages
|
||||
int get_image_n_pages(VipsImage *in) {
|
||||
int n_pages = 0;
|
||||
n_pages = vips_image_get_n_pages(in);
|
||||
return n_pages;
|
||||
}
|
||||
|
||||
void set_image_n_pages(VipsImage *in, int n_pages) {
|
||||
vips_image_set_int(in, VIPS_META_N_PAGES, n_pages);
|
||||
}
|
||||
|
||||
// https://www.libvips.org/API/current/libvips-header.html#vips-image-get-page-height
|
||||
int get_page_height(VipsImage *in) {
|
||||
int page_height = 0;
|
||||
page_height = vips_image_get_page_height(in);
|
||||
return page_height;
|
||||
}
|
||||
|
||||
void set_page_height(VipsImage *in, int height) {
|
||||
vips_image_set_int(in, VIPS_META_PAGE_HEIGHT, height);
|
||||
}
|
||||
|
||||
int get_meta_loader(const VipsImage *in, const char **out) {
|
||||
return vips_image_get_string(in, VIPS_META_LOADER, out);
|
||||
}
|
||||
|
||||
int get_background(VipsImage *in, double **out, int *n) {
|
||||
return vips_image_get_array_double(in, "background", out, n);
|
||||
}
|
||||
|
||||
int get_image_delay(VipsImage *in, int **out) {
|
||||
return vips_image_get_array_int(in, "delay", out, NULL);
|
||||
}
|
||||
|
||||
void set_image_delay(VipsImage *in, const int *array, int n) {
|
||||
vips_image_set_array_int(in, "delay", array, n);
|
||||
}
|
||||
|
||||
int get_image_loop(VipsImage *in) {
|
||||
int loop = 0;
|
||||
if (vips_image_get_typeof(in, "loop") != 0) {
|
||||
vips_image_get_int(in, "loop", &loop);
|
||||
}
|
||||
return loop;
|
||||
}
|
||||
|
||||
void set_image_loop(VipsImage *in, int loop) {
|
||||
vips_image_set_int(in, "loop", loop);
|
||||
}
|
||||
|
||||
void image_set_double(VipsImage *in, const char *name, double i) {
|
||||
vips_image_set_double(in, name, i);
|
||||
}
|
||||
|
||||
unsigned long image_get_double(VipsImage *in, const char *name, double *out) {
|
||||
return vips_image_get_double(in, name, out);
|
||||
}
|
||||
|
||||
void image_set_int(VipsImage *in, const char *name, int i) {
|
||||
vips_image_set_int(in, name, i);
|
||||
}
|
||||
|
||||
unsigned long image_get_int(VipsImage *in, const char *name, int *out) {
|
||||
return vips_image_get_int(in, name, out);
|
||||
}
|
||||
|
||||
void image_set_blob(VipsImage *in, const char *name, const void *data,
|
||||
size_t dataLength) {
|
||||
vips_image_set_blob_copy(in, name, data, dataLength);
|
||||
}
|
||||
|
||||
unsigned long image_get_blob(VipsImage *in, const char *name, const void **data,
|
||||
size_t *dataLength) {
|
||||
if (vips_image_get_typeof(in, name) == 0) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (vips_image_get_blob(in, name, data, dataLength)) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
// Label
|
||||
|
||||
int label(VipsImage *in, VipsImage **out, LabelOptions *o) {
|
||||
double ones[3] = {1, 1, 1};
|
||||
VipsImage *base = vips_image_new();
|
||||
VipsImage **t = (VipsImage **)vips_object_local_array(VIPS_OBJECT(base), 9);
|
||||
if (vips_text(&t[0], o->Text, "font", o->Font, "width", o->Width, "height",
|
||||
o->Height, "align", o->Align, NULL) ||
|
||||
vips_linear1(t[0], &t[1], o->Opacity, 0.0, NULL) ||
|
||||
vips_cast(t[1], &t[2], VIPS_FORMAT_UCHAR, NULL) ||
|
||||
vips_embed(t[2], &t[3], o->OffsetX, o->OffsetY, t[2]->Xsize + o->OffsetX,
|
||||
t[2]->Ysize + o->OffsetY, NULL)) {
|
||||
g_object_unref(base);
|
||||
return -1;
|
||||
}
|
||||
if (vips_black(&t[4], 1, 1, NULL) ||
|
||||
vips_linear(t[4], &t[5], ones, o->Color, 3, NULL) ||
|
||||
vips_cast(t[5], &t[6], VIPS_FORMAT_UCHAR, NULL) ||
|
||||
vips_copy(t[6], &t[7], "interpretation", in->Type, NULL) ||
|
||||
vips_embed(t[7], &t[8], 0, 0, in->Xsize, in->Ysize, "extend",
|
||||
VIPS_EXTEND_COPY, NULL)) {
|
||||
g_object_unref(base);
|
||||
return -1;
|
||||
}
|
||||
if (vips_ifthenelse(t[3], t[8], in, out, "blend", TRUE, NULL)) {
|
||||
g_object_unref(base);
|
||||
return -1;
|
||||
}
|
||||
g_object_unref(base);
|
||||
return 0;
|
||||
}
|
||||
|
||||
// Resample
|
||||
|
||||
int resize_image(VipsImage *in, VipsImage **out, double scale, gdouble vscale,
|
||||
int kernel) {
|
||||
if (vscale > 0) {
|
||||
return vips_resize(in, out, scale, "vscale", vscale, "kernel", kernel,
|
||||
NULL);
|
||||
}
|
||||
|
||||
return vips_resize(in, out, scale, "kernel", kernel, NULL);
|
||||
}
|
||||
|
||||
int thumbnail(const char *filename, VipsImage **out,
|
||||
int width, int height, int crop, int size) {
|
||||
return vips_thumbnail(filename, out, width, "height", height,
|
||||
"crop", crop, "size", size, NULL);
|
||||
}
|
||||
|
||||
int thumbnail_image(VipsImage *in, VipsImage **out, int width, int height,
|
||||
int crop, int size) {
|
||||
return vips_thumbnail_image(in, out, width, "height", height, "crop", crop,
|
||||
"size", size, NULL);
|
||||
}
|
||||
|
||||
int thumbnail_buffer_with_option(void *buf, size_t len, VipsImage **out,
|
||||
int width, int height, int crop, int size,
|
||||
const char *option_string) {
|
||||
return vips_thumbnail_buffer(buf, len, out, width, "height", height,
|
||||
"crop", crop, "size", size,
|
||||
"option_string", option_string, NULL);
|
||||
}
|
||||
|
||||
int thumbnail_buffer(void *buf, size_t len, VipsImage **out,
|
||||
int width, int height, int crop, int size) {
|
||||
return vips_thumbnail_buffer(buf, len, out, width, "height", height,
|
||||
"crop", crop, "size", size, NULL);
|
||||
}
|
||||
+1060
File diff suppressed because it is too large
Load Diff
+149
@@ -0,0 +1,149 @@
|
||||
// operations.h - Hand-written C bridge functions for libvips operations
|
||||
|
||||
#ifndef OPERATIONS_H
|
||||
#define OPERATIONS_H
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <vips/vips.h>
|
||||
#include <vips/foreign.h>
|
||||
|
||||
// Arithmetic
|
||||
// https://libvips.github.io/libvips/API/current/libvips-arithmetic.html
|
||||
|
||||
int find_trim(VipsImage *in, int *left, int *top, int *width, int *height,
|
||||
double threshold, double r, double g, double b);
|
||||
int getpoint(VipsImage *in, double **vector, int n, int x, int y);
|
||||
int minOp(VipsImage *in, double *out, int *x, int *y, int size);
|
||||
|
||||
// Color
|
||||
// https://libvips.github.io/libvips/API/current/libvips-colour.html
|
||||
|
||||
int is_colorspace_supported(VipsImage *in);
|
||||
int to_colorspace(VipsImage *in, VipsImage **out, VipsInterpretation space);
|
||||
int icc_transform(VipsImage *in, VipsImage **out, const char *output_profile,
|
||||
const char *input_profile, VipsIntent intent, int depth,
|
||||
gboolean embedded);
|
||||
|
||||
// Conversion
|
||||
// https://libvips.github.io/libvips/API/current/libvips-conversion.html
|
||||
|
||||
int embed_image(VipsImage *in, VipsImage **out, int left, int top, int width,
|
||||
int height, int extend);
|
||||
int embed_image_background(VipsImage *in, VipsImage **out, int left, int top,
|
||||
int width, int height, double r, double g, double b, double a);
|
||||
int embed_multi_page_image(VipsImage *in, VipsImage **out, int left, int top,
|
||||
int width, int height, int extend);
|
||||
int embed_multi_page_image_background(VipsImage *in, VipsImage **out, int left,
|
||||
int top, int width, int height, double r, double g, double b,
|
||||
double a);
|
||||
int crop(VipsImage *in, VipsImage **out, int left, int top, int width,
|
||||
int height);
|
||||
int similarity(VipsImage *in, VipsImage **out, double scale, double angle,
|
||||
double r, double g, double b, double a, double idx, double idy,
|
||||
double odx, double ody);
|
||||
int composite_image(VipsImage **in, VipsImage **out, int n, int *mode, int *x,
|
||||
int *y);
|
||||
int join(VipsImage *in1, VipsImage *in2, VipsImage **out, int direction);
|
||||
int add_alpha(VipsImage *in, VipsImage **out);
|
||||
|
||||
// Create
|
||||
// https://libvips.github.io/libvips/API/current/libvips-create.html
|
||||
|
||||
typedef struct {
|
||||
const char *Text;
|
||||
const char *Font;
|
||||
int Width;
|
||||
int Height;
|
||||
int DPI;
|
||||
gboolean RGBA;
|
||||
gboolean Justify;
|
||||
int Spacing;
|
||||
VipsAlign Align;
|
||||
VipsTextWrap Wrap;
|
||||
} TextOptions;
|
||||
|
||||
int text(VipsImage **out, TextOptions *o);
|
||||
|
||||
// Draw
|
||||
// https://libvips.github.io/libvips/API/current/libvips-draw.html
|
||||
|
||||
int draw_rect(VipsImage *in, double r, double g, double b, double a, int left,
|
||||
int top, int width, int height, int fill);
|
||||
|
||||
// Header
|
||||
// https://libvips.github.io/libvips/API/current/libvips-header.html
|
||||
|
||||
unsigned long has_icc_profile(VipsImage *in);
|
||||
unsigned long get_icc_profile(VipsImage *in, const void **data,
|
||||
size_t *dataLength);
|
||||
int remove_icc_profile(VipsImage *in);
|
||||
|
||||
unsigned long has_iptc(VipsImage *in);
|
||||
char **image_get_fields(VipsImage *in);
|
||||
|
||||
void image_set_string(VipsImage *in, const char *name, const char *str);
|
||||
unsigned long image_get_string(VipsImage *in, const char *name,
|
||||
const char **out);
|
||||
unsigned long image_get_as_string(VipsImage *in, const char *name, char **out);
|
||||
|
||||
void remove_field(VipsImage *in, char *field);
|
||||
|
||||
int get_meta_orientation(VipsImage *in);
|
||||
void remove_meta_orientation(VipsImage *in);
|
||||
void set_meta_orientation(VipsImage *in, int orientation);
|
||||
int get_image_n_pages(VipsImage *in);
|
||||
void set_image_n_pages(VipsImage *in, int n_pages);
|
||||
int get_page_height(VipsImage *in);
|
||||
void set_page_height(VipsImage *in, int height);
|
||||
int get_meta_loader(const VipsImage *in, const char **out);
|
||||
int get_image_delay(VipsImage *in, int **out);
|
||||
void set_image_delay(VipsImage *in, const int *array, int n);
|
||||
int get_image_loop(VipsImage *in);
|
||||
void set_image_loop(VipsImage *in, int loop);
|
||||
int get_background(VipsImage *in, double **out, int *n);
|
||||
|
||||
void image_set_blob(VipsImage *in, const char *name, const void *data,
|
||||
size_t dataLength);
|
||||
unsigned long image_get_blob(VipsImage *in, const char *name, const void **data,
|
||||
size_t *dataLength);
|
||||
|
||||
void image_set_double(VipsImage *in, const char *name, double i);
|
||||
unsigned long image_get_double(VipsImage *in, const char *name, double *out);
|
||||
|
||||
void image_set_int(VipsImage *in, const char *name, int i);
|
||||
unsigned long image_get_int(VipsImage *in, const char *name, int *out);
|
||||
|
||||
// Label
|
||||
|
||||
typedef struct {
|
||||
const char *Text;
|
||||
const char *Font;
|
||||
int Width;
|
||||
int Height;
|
||||
int OffsetX;
|
||||
int OffsetY;
|
||||
VipsAlign Align;
|
||||
int DPI;
|
||||
int Margin;
|
||||
float Opacity;
|
||||
double Color[3];
|
||||
} LabelOptions;
|
||||
|
||||
int label(VipsImage *in, VipsImage **out, LabelOptions *o);
|
||||
|
||||
// Resample
|
||||
// https://libvips.github.io/libvips/API/current/libvips-resample.html
|
||||
|
||||
int resize_image(VipsImage *in, VipsImage **out, double scale, gdouble vscale,
|
||||
int kernel);
|
||||
int thumbnail(const char *filename, VipsImage **out, int width, int height,
|
||||
int crop, int size);
|
||||
int thumbnail_image(VipsImage *in, VipsImage **out, int width, int height,
|
||||
int crop, int size);
|
||||
int thumbnail_buffer(void *buf, size_t len, VipsImage **out, int width,
|
||||
int height, int crop, int size);
|
||||
int thumbnail_buffer_with_option(void *buf, size_t len, VipsImage **out,
|
||||
int width, int height, int crop, int size,
|
||||
const char *option_string);
|
||||
|
||||
#endif // OPERATIONS_H
|
||||
+56
@@ -0,0 +1,56 @@
|
||||
package vips
|
||||
|
||||
import "sync"
|
||||
|
||||
// RuntimeStats is a data structure to house a map of govips operation counts
|
||||
type RuntimeStats struct {
|
||||
OperationCounts map[string]int64
|
||||
}
|
||||
|
||||
var (
|
||||
operationCounter chan string
|
||||
runtimeStats *RuntimeStats
|
||||
statLock sync.RWMutex
|
||||
)
|
||||
|
||||
func incOpCounter(op string) {
|
||||
if operationCounter != nil {
|
||||
operationCounter <- op
|
||||
}
|
||||
}
|
||||
|
||||
func collectStats() chan struct{} {
|
||||
operationCounter = make(chan string, 100)
|
||||
done := make(chan struct{})
|
||||
exit := false
|
||||
go func() {
|
||||
for !exit {
|
||||
select {
|
||||
case op := <-operationCounter:
|
||||
statLock.Lock()
|
||||
runtimeStats.OperationCounts[op] = runtimeStats.OperationCounts[op] + 1
|
||||
statLock.Unlock()
|
||||
case <-done:
|
||||
exit = true
|
||||
break
|
||||
}
|
||||
}
|
||||
}()
|
||||
return done
|
||||
}
|
||||
|
||||
// ReadRuntimeStats returns operation counts for govips
|
||||
func ReadRuntimeStats(stats *RuntimeStats) {
|
||||
statLock.RLock()
|
||||
defer statLock.RUnlock()
|
||||
stats.OperationCounts = make(map[string]int64)
|
||||
for k, v := range runtimeStats.OperationCounts {
|
||||
stats.OperationCounts[k] = v
|
||||
}
|
||||
}
|
||||
|
||||
func init() {
|
||||
runtimeStats = &RuntimeStats{
|
||||
OperationCounts: make(map[string]int64),
|
||||
}
|
||||
}
|
||||
+6
@@ -0,0 +1,6 @@
|
||||
package vips
|
||||
|
||||
// relative to "/vips/.."
|
||||
const (
|
||||
resources = "../resources/"
|
||||
)
|
||||
Reference in New Issue
Block a user