diff options
Diffstat (limited to 'src/drv')
| -rw-r--r-- | src/drv/cdirgb.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/drv/cdirgb.c b/src/drv/cdirgb.c index 9fbb540..c590dcf 100644 --- a/src/drv/cdirgb.c +++ b/src/drv/cdirgb.c @@ -56,7 +56,7 @@ struct _cdCtxCanvas #define _sNormX(_ctxcanvas, _x) (_x < 0? 0: _x < _ctxcanvas->canvas->w? _x: _ctxcanvas->canvas->w-1) #define _sNormY(_ctxcanvas, _y) (_y < 0? 0: _y < _ctxcanvas->canvas->h? _y: _ctxcanvas->canvas->h-1) -#define RGBA_COMPOSE(_SRC, _SRC_ALPHA, _DST, _TMP_MULTI, _TMP_ALPHA) (unsigned char)(((_SRC_ALPHA)*(_SRC) + (_TMP_MULTI)*(_DST)) / (_TMP_ALPHA)) +#define RGB_COMPOSE(_SRC, _SRC_ALPHA, _DST, _TMP_MULTI, _TMP_ALPHA) (unsigned char)(((_SRC_ALPHA)*(_SRC) + (_TMP_MULTI)*(_DST)) / (_TMP_ALPHA)) #define RGBA_COLOR_COMBINE(_ctxcanvas, _pdst_red, _pdst_green, _pdst_blue, _pdst_alpha, _src_red, _src_green, _src_blue, _src_alpha) \ { \ @@ -87,9 +87,9 @@ struct _cdCtxCanvas /* Closed Compositing Formulas for SRC over DST, Colors Not Premultiplied by Alpha: */ \ int _tmp_multi = *_pdst_alpha * (255 - _src_alpha); \ int _tmp_alpha = _src_alpha + _tmp_multi; \ - _tmp_red = RGBA_COMPOSE(_src_red, _src_alpha, *_pdst_red, _tmp_multi, _tmp_alpha); \ - _tmp_green = RGBA_COMPOSE(_src_green, _src_alpha, *_pdst_green, _tmp_multi, _tmp_alpha); \ - _tmp_blue = RGBA_COMPOSE(_src_blue, _src_alpha, *_pdst_blue, _tmp_multi, _tmp_alpha); \ + _tmp_red = RGB_COMPOSE(_src_red, _src_alpha, *_pdst_red, _tmp_multi, _tmp_alpha); \ + _tmp_green = RGB_COMPOSE(_src_green, _src_alpha, *_pdst_green, _tmp_multi, _tmp_alpha); \ + _tmp_blue = RGB_COMPOSE(_src_blue, _src_alpha, *_pdst_blue, _tmp_multi, _tmp_alpha); \ *_pdst_alpha = (unsigned char)(_tmp_alpha / 255); \ } \ } \ |