pandory500/SDL-mirror
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--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%40629
This commit is contained in:
Sam Lantinga 2003-05-29 04:29:13 +00:00
parent 29f7b2314b
commit 7705734fbc
1 changed files with 16 additions and 16 deletions
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32
src/video/SDL_pixels.c
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@ -379,16 +379,16 @@ void SDL_GetRGBA(Uint32 pixel, SDL_PixelFormat *fmt,
* This only works for RGB bit fields at least 4 bit
* wide, which is almost always the case.
*/
unsigned rv, gv, bv, av;
rv = (pixel & fmt->Rmask) >> fmt->Rshift;
*r = (rv << fmt->Rloss) + (rv >> (8 - fmt->Rloss));
gv = (pixel & fmt->Gmask) >> fmt->Gshift;
*g = (gv << fmt->Gloss) + (gv >> (8 - fmt->Gloss));
bv = (pixel & fmt->Bmask) >> fmt->Bshift;
*b = (bv << fmt->Bloss) + (bv >> (8 - fmt->Bloss));
unsigned v;
v = (pixel & fmt->Rmask) >> fmt->Rshift;
*r = (v << fmt->Rloss) + (v >> (8 - fmt->Rloss));
v = (pixel & fmt->Gmask) >> fmt->Gshift;
*g = (v << fmt->Gloss) + (v >> (8 - fmt->Gloss));
v = (pixel & fmt->Bmask) >> fmt->Bshift;
*b = (v << fmt->Bloss) + (v >> (8 - fmt->Bloss));
if(fmt->Amask) {
av = (pixel & fmt->Amask) >> fmt->Ashift;
*a = (av << fmt->Aloss) + (av >> (8 - fmt->Aloss));
v = (pixel & fmt->Amask) >> fmt->Ashift;
*a = (v << fmt->Aloss) + (v >> (8 - fmt->Aloss));
} else
*a = SDL_ALPHA_OPAQUE;
} else {
@ -403,13 +403,13 @@ void SDL_GetRGB(Uint32 pixel, SDL_PixelFormat *fmt, Uint8 *r,Uint8 *g,Uint8 *b)
{
if ( fmt->palette == NULL ) {
/* the note for SDL_GetRGBA above applies here too */
unsigned rv, gv, bv;
rv = (pixel & fmt->Rmask) >> fmt->Rshift;
*r = (rv << fmt->Rloss) + (rv >> (8 - fmt->Rloss));
gv = (pixel & fmt->Gmask) >> fmt->Gshift;
*g = (gv << fmt->Gloss) + (gv >> (8 - fmt->Gloss));
bv = (pixel & fmt->Bmask) >> fmt->Bshift;
*b = (bv << fmt->Bloss) + (bv >> (8 - fmt->Bloss));
unsigned v;
v = (pixel & fmt->Rmask) >> fmt->Rshift;
*r = (v << fmt->Rloss) + (v >> (8 - fmt->Rloss));
v = (pixel & fmt->Gmask) >> fmt->Gshift;
*g = (v << fmt->Gloss) + (v >> (8 - fmt->Gloss));
v = (pixel & fmt->Bmask) >> fmt->Bshift;
*b = (v << fmt->Bloss) + (v >> (8 - fmt->Bloss));
} else {
*r = fmt->palette->colors[pixel].r;
*g = fmt->palette->colors[pixel].g;