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Diffstat (limited to 'src/display/drawing-item.cpp')
| -rw-r--r-- | src/display/drawing-item.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/display/drawing-item.cpp b/src/display/drawing-item.cpp index df44a3de0..0fb1f0018 100644 --- a/src/display/drawing-item.cpp +++ b/src/display/drawing-item.cpp @@ -431,7 +431,8 @@ DrawingItem::update(Geom::IntRect const &area, UpdateContext const &ctx, unsigne struct MaskLuminanceToAlpha { guint32 operator()(guint32 in) { - EXTRACT_ARGB32(in, a, r, g, b) + guint r = 0, g = 0, b = 0; + Display::ExtractRGB32(in, r, g, b); // the operation of unpremul -> luminance-to-alpha -> multiply by alpha // is equivalent to luminance-to-alpha on premultiplied color values // original computation in double: r*0.2125 + g*0.7154 + b*0.0721 |