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RSVG: fix colour conversion

This commit is contained in:
John-Mark Bell 2018-01-20 15:33:05 +00:00
parent f04cedef1c
commit 328a29d22f
1 changed files with 11 additions and 3 deletions
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14
content/handlers/image/rsvg.c
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@ -39,6 +39,8 @@
#include <librsvg/rsvg-cairo.h>
#endif
#include <nsutils/endian.h>
#include "utils/log.h"
#include "utils/utils.h"
#include "utils/messages.h"
@ -139,15 +141,21 @@ static inline void rsvg_argb_to_abgr(uint8_t *pixels,
int width, int height, size_t rowstride)
{
uint8_t *p = pixels;
int boff = 0, roff = 2;
if (endian_host_is_le() == false) {
boff = 1;
roff = 3;
}
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
/* Swap R and B */
const uint8_t r = p[x+3];
const uint8_t r = p[4*x+roff];
p[x+3] = p[x];
p[4*x+roff] = p[4*x+boff];
p[x] = r;
p[4*x+boff] = r;
}
p += rowstride;