diff options
Diffstat (limited to 'Modules/imageop.c')
| -rw-r--r-- | Modules/imageop.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Modules/imageop.c b/Modules/imageop.c index 40940cb..841ec1b 100644 --- a/Modules/imageop.c +++ b/Modules/imageop.c @@ -542,9 +542,15 @@ imageop_rgb2rgb8(self, args) for ( i=0; i < nlen; i++ ) { /* Bits in source: aaaaaaaa BBbbbbbb GGGggggg RRRrrrrr */ value = *cp++; +#if 0 r = (value >> 5) & 7; g = (value >> 13) & 7; b = (value >> 22) & 3; +#else + r = (int) ((value & 0xff) / 255. * 7. + .5); + g = (int) (((value >> 8) & 0xff) / 255. * 7. + .5); + b = (int) (((value >> 16) & 0xff) / 255. * 3. + .5); +#endif nvalue = (r<<5) | (b<<3) | g; *ncp++ = nvalue; } |