Fix by Mitz Pettel, reviewed by Darin.

[WebKit-https.git] / WebCore / platform / mac / ImageMac.mm

diff --git a/WebCore/platform/mac/ImageMac.mm b/WebCore/platform/mac/ImageMac.mm
index 9250d82f7243eea828b34f1d0d3c14f12aa3df17..9e651ae8f549132b01e323636ad1b15298d20584 100644 (file)
--- a/WebCore/platform/mac/ImageMac.mm
+++ b/WebCore/platform/mac/ImageMac.mm
@@ -118,7 +118,10 @@ void Image::checkForSolidColor()
                 GraphicsContext(bmap).setCompositeOperation(CompositeCopy);
                 CGRect dst = { {0, 0}, {1, 1} };
                 CGContextDrawImage(bmap, dst, image);
-                m_solidColor = Color(int(pixel[0] * 255), int(pixel[1] * 255), int(pixel[2] * 255), int(pixel[3] * 255));
+                if (pixel[3] == 0)
+                    m_solidColor = Color(0, 0, 0, 0);
+                else
+                    m_solidColor = Color(int(pixel[0] / pixel[3] * 255), int(pixel[1] / pixel[3] * 255), int(pixel[2] / pixel[3] * 255), int(pixel[3] * 255));
                 m_isSolidColor = true;
                 CFRelease(bmap);
             }