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stb_image: fix d1252e1bb9 for building in C

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This commit is contained in:
Sean Barrett 2019-02-07 07:20:58 -08:00
parent 7056eae4ae
commit 79a7719c37
2 changed files with 5 additions and 5 deletions
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4
stb_image.h
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@ -6394,11 +6394,11 @@ static stbi_uc *stbi__process_gif_raster(stbi__context *s, stbi__gif *g)
// two back is the image from two frames ago, used for a very specific disposal format
static stbi_uc *stbi__gif_load_next(stbi__context *s, stbi__gif *g, int *comp, int req_comp, stbi_uc *two_back)
{
STBI_NOTUSED(req_comp);
int dispose;
int first_frame;
int pi;
int pcount;
STBI_NOTUSED(req_comp);
// on first frame, any non-written pixels get the background colour (non-transparent)
first_frame = 0;
@ -6619,10 +6619,10 @@ static void *stbi__load_gif_main(stbi__context *s, int **delays, int *x, int *y,
static void *stbi__gif_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri)
{
STBI_NOTUSED(ri);
stbi_uc *u = 0;
stbi__gif g;
memset(&g, 0, sizeof(g));
STBI_NOTUSED(ri);
u = stbi__gif_load_next(s, &g, comp, req_comp, 0);
if (u == (stbi_uc *) s) u = 0; // end of animated gif marker

6
stb_image_write.h
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@ -1090,11 +1090,11 @@ unsigned char *stbi_write_png_to_mem(const unsigned char *pixels, int stride_byt
int filter_type;
if (force_filter > -1) {
filter_type = force_filter;
stbiw__encode_png_line(const_cast<unsigned char*>(pixels), stride_bytes, x, y, j, n, force_filter, line_buffer);
stbiw__encode_png_line((unsigned char*)(pixels), stride_bytes, x, y, j, n, force_filter, line_buffer);
} else { // Estimate the best filter by running through all of them:
int best_filter = 0, best_filter_val = 0x7fffffff, est, i;
for (filter_type = 0; filter_type < 5; filter_type++) {
stbiw__encode_png_line(const_cast<unsigned char*>(pixels), stride_bytes, x, y, j, n, filter_type, line_buffer);
stbiw__encode_png_line((unsigned char*)(pixels), stride_bytes, x, y, j, n, filter_type, line_buffer);
// Estimate the entropy of the line using this filter; the less, the better.
est = 0;
@ -1107,7 +1107,7 @@ unsigned char *stbi_write_png_to_mem(const unsigned char *pixels, int stride_byt
}
}
if (filter_type != best_filter) { // If the last iteration already got us the best filter, don't redo it
stbiw__encode_png_line(const_cast<unsigned char*>(pixels), stride_bytes, x, y, j, n, best_filter, line_buffer);
stbiw__encode_png_line((unsigned char*)(pixels), stride_bytes, x, y, j, n, best_filter, line_buffer);
filter_type = best_filter;
}
}