python-pillow/Pillow
1
1
Fork 0
mirror of https://github.com/python-pillow/Pillow.git synced 2024-11-10 19:56:47 +03:00
Code Issues Packages Projects Releases Wiki Activity

Avoid rounding error in Image.alpha_composite

Browse Source
This commit is contained in:
Tom Payne 2012-12-19 14:25:18 +01:00
parent 0b06bdcb2f
commit 9d35947363
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
libImaging/AlphaComposite.c
View File

@ -81,10 +81,10 @@ ImagingAlphaComposite(Imaging imDst, Imaging imSrc)
}
}
out[x + 0] = (UINT8) (255.0 * outR);
out[x + 1] = (UINT8) (255.0 * outG);
out[x + 2] = (UINT8) (255.0 * outB);
out[x + 3] = (UINT8) (255.0 * outA);
out[x + 0] = (UINT8) (255.0 * outR + 0.5);
out[x + 1] = (UINT8) (255.0 * outG + 0.5);
out[x + 2] = (UINT8) (255.0 * outB + 0.5);
out[x + 3] = (UINT8) (255.0 * outA + 0.5);
}