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| author | Antony Riakiotakis <kalast@gmail.com> | 2013-03-19 17:32:57 +0400 |
|---|---|---|
| committer | Antony Riakiotakis <kalast@gmail.com> | 2013-03-19 17:32:57 +0400 |
| commit | 8c90d23462940c0577c87ccbd6792787b952e9d1 (patch) | |
| tree | 3ee9243cec8e123f2b198fc9d3d774ed01632e9c /source/blender/imbuf/intern/rectop.c | |
| parent | d215f453df2c0eb45f59bc64e123ba8758768908 (diff) | |
Fix: Clamp alpha to 1.0 or adding alpha in paint creates "isolines" due
to integer overflow. One of the beautiful bugs that is sad to see fixed.
Also remove unused timer variable
Diffstat (limited to 'source/blender/imbuf/intern/rectop.c')
| -rw-r--r-- | source/blender/imbuf/intern/rectop.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/source/blender/imbuf/intern/rectop.c b/source/blender/imbuf/intern/rectop.c index 446833ccf3b..958070c1479 100644 --- a/source/blender/imbuf/intern/rectop.c +++ b/source/blender/imbuf/intern/rectop.c @@ -138,7 +138,7 @@ static void blend_color_add_alpha(char cp[4], const char cp1[4], const char cp2[ cp[0] = cp1[0]; cp[1] = cp1[1]; cp[2] = cp1[2]; - cp[3] = (temp < 0) ? 0 : temp; + cp[3] = (temp > 255)? 255 : ((temp < 0) ? 0 : temp); } @@ -269,6 +269,7 @@ static void blend_color_add_alpha_float(float cp[4], const float cp1[4], const f cp[3] = (cp1[3] + fac * cp2[3]); if (cp[3] < 0.0f) cp[3] = 0.0f; + if (cp[3] > 1.0f) cp[3] = 1.0f; } void IMB_blend_color_float(float *dst, float *src1, float *src2, float fac, IMB_BlendMode mode) |