diff options
Diffstat (limited to 'graphics/managed_surface.cpp')
| -rw-r--r-- | graphics/managed_surface.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/graphics/managed_surface.cpp b/graphics/managed_surface.cpp index 00dc511904..fe524724cd 100644 --- a/graphics/managed_surface.cpp +++ b/graphics/managed_surface.cpp @@ -287,9 +287,9 @@ void transBlit(const Surface &src, const Common::Rect &srcRect, Surface &dest, c } else { // Partially transparent, so calculate new pixel colors alpha = (double)aSrc / 255.0; - rDest = (rSrc * alpha) + (rDest * (1.0 - alpha)); - gDest = (gSrc * alpha) + (gDest * (1.0 - alpha)); - bDest = (bSrc * alpha) + (bDest * (1.0 - alpha)); + rDest = static_cast<byte>((rSrc * alpha) + (rDest * (1.0 - alpha))); + gDest = static_cast<byte>((gSrc * alpha) + (gDest * (1.0 - alpha))); + bDest = static_cast<byte>((bSrc * alpha) + (bDest * (1.0 - alpha))); } destLine[xCtr] = destFormat.ARGBToColor(0xff, rDest, gDest, bDest); |