Курнат Андрей
63 lines
1.0 KiB
Go
63 lines
1.0 KiB
Go
package vips
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// #include <vips/vips.h>
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// #include <stdlib.h>
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import "C"
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import (
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"reflect"
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"unsafe"
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)
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func freeCString(s *C.char) {
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C.free(unsafe.Pointer(s))
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}
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func gFreePointer(ref unsafe.Pointer) {
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C.g_free(C.gpointer(ref))
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}
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func boolToInt(b bool) int {
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if b {
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return 1
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}
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return 0
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}
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func toGboolean(b bool) C.gboolean {
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if b {
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return C.gboolean(1)
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}
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return C.gboolean(0)
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}
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func fromGboolean(b C.gboolean) bool {
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return b != 0
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}
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func fromCArrayInt(out *C.int, n int) []int {
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var result = make([]int, n)
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var data []C.int
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sh := (*reflect.SliceHeader)(unsafe.Pointer(&data))
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sh.Data = uintptr(unsafe.Pointer(out))
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sh.Len = n
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sh.Cap = n
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for i := range data {
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result[i] = int(data[i])
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}
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return result
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}
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func fromCArrayDouble(out *C.double, n int) []float64 {
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if out == nil || n <= 0 {
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return nil
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}
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data := make([]float64, n)
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for i := 0; i < n; i++ {
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data[i] = float64(*(*C.double)(unsafe.Pointer(uintptr(unsafe.Pointer(out)) + uintptr(i)*unsafe.Sizeof(C.double(0)))))
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}
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return data
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}
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