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evas - gif loader - be a little more optimal in pixel lookups on decode

This commit is contained in:
Carsten Haitzler 2016-04-02 13:22:11 +09:00
parent dd90b6afad
commit f56e33f429
1 changed files with 10 additions and 3 deletions
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13
src/modules/evas/image_loaders/gif/evas_image_load_gif.c
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@ -213,6 +213,7 @@ _decode_image(GifFileType *gif, DATA32 *data, int rowpix, int xin, int yin,
int intjump[] = { 8, 8, 4, 2 };
int i, xx, yy, pix;
GifRowType *rows;
GifPixelType *pixels;
Eina_Bool ret = EINA_FALSE;
ColorMapObject *cmap;
DATA32 *p;
@ -270,10 +271,12 @@ _decode_image(GifFileType *gif, DATA32 *data, int rowpix, int xin, int yin,
{
for (yy = 0; yy < h; yy++)
{
pixels = &(PIX(0, yy));
p = data + ((y + yy) * rowpix) + x;
for (xx = 0; xx < w; xx++)
{
pix = PIX(xx, yy);
pix = *pixels;
pixels++;
if (pix != transparent) *p = PIXLK(pix);
else *p = 0;
p++;
@ -285,10 +288,12 @@ _decode_image(GifFileType *gif, DATA32 *data, int rowpix, int xin, int yin,
{
for (yy = 0; yy < h; yy++)
{
pixels = &(PIX(0, yy));
p = data + ((y + yy) * rowpix) + x;
for (xx = 0; xx < w; xx++)
{
pix = PIX(xx, yy);
pix = *pixels;
pixels++;
if (pix != transparent) *p = PIXLK(pix);
p++;
}
@ -300,10 +305,12 @@ _decode_image(GifFileType *gif, DATA32 *data, int rowpix, int xin, int yin,
// walk pixels without worring about transparency at all
for (yy = 0; yy < h; yy++)
{
pixels = &(PIX(0, yy));
p = data + ((y + yy) * rowpix) + x;
for (xx = 0; xx < w; xx++)
{
pix = PIX(xx, yy);
pix = *pixels;
pixels++;
*p = PIXLK(pix);
p++;
}