diff options
Diffstat (limited to 'render/rastport.c')
| -rw-r--r-- | render/rastport.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/render/rastport.c b/render/rastport.c index 9cae06d5..3eb89e43 100644 --- a/render/rastport.c +++ b/render/rastport.c @@ -264,15 +264,18 @@ static void msk_1o1(byte *src, byte *dst, int w) static void msk_w3i1o4(byte *rgb, byte *src, byte *dst, int n) { + byte rgb0 = rgb[0]; + byte rgb1 = rgb[1]; + byte rgb2 = rgb[2]; byte sa, ssa; while (n--) { sa = src[0]; ssa = 255 - sa; dst[0] = sa + fz_mul255(dst[0], ssa); - dst[1] = rgb[0] + fz_mul255((short)dst[1] - rgb[0], ssa); - dst[2] = rgb[1] + fz_mul255((short)dst[2] - rgb[1], ssa); - dst[3] = rgb[2] + fz_mul255((short)dst[3] - rgb[2], ssa); + dst[1] = rgb0 + fz_mul255((short)dst[1] - rgb0, ssa); + dst[2] = rgb1 + fz_mul255((short)dst[2] - rgb1, ssa); + dst[3] = rgb2 + fz_mul255((short)dst[3] - rgb2, ssa); src ++; dst += 4; } @@ -496,6 +499,9 @@ static void img_4o4(FZ_PSRC, FZ_PDST, FZ_PCTM) static void img_w3i1o4(byte *rgb, FZ_PSRC, FZ_PDST, FZ_PCTM) { + byte rgb0 = rgb[0]; + byte rgb1 = rgb[1]; + byte rgb2 = rgb[2]; byte sa, ssa; while (h--) { @@ -508,9 +514,9 @@ static void img_w3i1o4(byte *rgb, FZ_PSRC, FZ_PDST, FZ_PCTM) sa = samplemask(src, srcw, srch, u, v); ssa = 255 - sa; dstp[0] = sa + fz_mul255(dstp[0], ssa); - dstp[1] = rgb[0] + fz_mul255((short)dstp[1] - rgb[0], ssa); - dstp[2] = rgb[1] + fz_mul255((short)dstp[2] - rgb[1], ssa); - dstp[3] = rgb[2] + fz_mul255((short)dstp[3] - rgb[2], ssa); + dstp[1] = rgb0 + fz_mul255((short)dstp[1] - rgb0, ssa); + dstp[2] = rgb1 + fz_mul255((short)dstp[2] - rgb1, ssa); + dstp[3] = rgb2 + fz_mul255((short)dstp[3] - rgb2, ssa); dstp += 4; u += fa; v += fb; |