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feat(thumbnails): optional libvips based thumbnail generation

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Can be enabled by setting the 'enable_vips' tag on 'go build'
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Ralf Haferkamp
2024-10-17 14:05:27 +02:00
committed by Ralf Haferkamp
parent 358adc15dc
commit a9a5570050
58 changed files with 7324 additions and 0 deletions
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vendor/github.com/davidbyttow/govips/v2/vips/arithmetic.h
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// https://libvips.github.io/libvips/API/current/libvips-arithmetic.html
#include <stdlib.h>
#include <vips/vips.h>
int add(VipsImage *left, VipsImage *right, VipsImage **out);
int multiply(VipsImage *left, VipsImage *right, VipsImage **out);
int divide(VipsImage *left, VipsImage *right, VipsImage **out);
int linear(VipsImage *in, VipsImage **out, double *a, double *b, int n);
int linear1(VipsImage *in, VipsImage **out, double a, double b);
int invert_image(VipsImage *in, VipsImage **out);
int average(VipsImage *in, double *out);
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 stats(VipsImage *in, VipsImage **out);
int hist_find(VipsImage *in, VipsImage **out);
int hist_cum(VipsImage *in, VipsImage **out);
int hist_norm(VipsImage *in, VipsImage **out);
int hist_entropy(VipsImage *in, double *out);