2009-06-17 Brent Fulgham <bfulgham@webkit.org>

[WebKit-https.git] / WebCore / ChangeLog

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+2009-06-17  Brent Fulgham  <bfulgham@webkit.org>
+
+        Reviewed by Gustavo Noronha.
+
+        Fixes: https://bugs.webkit.org/show_bug.cgi?id=26470.
+        The use of zero-width or zero-height rectangles in generating
+        gradients caused Windows Cairo to crash, and webkitgtk to
+        produce invalid images.
+
+        We now test for NaN in the phase argument, which is calculated
+        using fmodf and can blow up when the width/height values passed
+        are zero.
+
+        Test: fast/gradients/border-image-gradient-sides-and-corners.html
+
+        * platform/graphics/cairo/ImageCairo.cpp:
+        (WebCore::Image::drawPattern):
+
 2009-06-17  Ojan Vafai  <ojan@chromium.org>
 
         Reviewed by Dimitri Glazkov.