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(BMP) Fix color conversion

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This commit is contained in:
twinaphex 2016-05-17 22:40:29 +02:00
parent 492dd59164
commit 248b99e8e7
1 changed files with 13 additions and 16 deletions
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29
libretro-common/formats/bmp/rbmp.c
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@ -569,33 +569,30 @@ static unsigned char *rbmp__bmp_load(rbmp__context *s, unsigned *x, unsigned *y,
return out;
}
static void rbmp_convert_frame(uint32_t *frame, unsigned width, unsigned height)
{
uint32_t *end = frame + (width * height * sizeof(uint32_t))/4;
while(frame < end)
{
uint32_t pixel = *frame;
*frame = (pixel & 0xff00ff00) | ((pixel << 16) & 0x00ff0000) | ((pixel >> 16) & 0xff);
frame++;
}
}
int rbmp_process_image(rbmp_t *rbmp, void **buf_data,
size_t size, unsigned *width, unsigned *height)
{
int comp;
#if 0
unsigned size_tex = 0;
#endif
if (!rbmp)
return IMAGE_PROCESS_ERROR;
rbmp->output_image = (uint32_t*)rbmp_load_from_memory(rbmp->buff_data, size, width, height, &comp, 4);
*buf_data = rbmp->output_image;
#if 0
size_tex = (*width) * (*height);
/* Convert RGBA to ARGB */
do
{
unsigned int texel = rbmp->output_image[size_tex];
unsigned int A = texel & 0xFF000000;
unsigned int B = texel & 0x00FF0000;
unsigned int G = texel & 0x0000FF00;
unsigned int R = texel & 0x000000FF;
((unsigned int*)rbmp->output_image)[size_tex] = A | (R << 16) | G | (B >> 16);
}while(size_tex--);
#endif
rbmp_convert_frame(rbmp->output_image, *width, *height);
return IMAGE_PROCESS_END;
}