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Unified Diff: ui/gfx/canvas_skia.cc

Issue 9416017: Optionally clear PlatformCanvas instances. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Address comments. Created 8 years, 9 months ago
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Index: ui/gfx/canvas_skia.cc
===================================================================
--- ui/gfx/canvas_skia.cc (revision 127021)
+++ ui/gfx/canvas_skia.cc (working copy)
@@ -54,6 +54,12 @@
: owned_canvas_(new skia::PlatformCanvas(size.width(), size.height(),
is_opaque)),
canvas_(owned_canvas_.get()) {
+#if defined(OS_WIN) || defined(OS_MACOSX)
+ // skia::PlatformCanvas instances are initialized to 0 by Cairo on Linux, but
+ // uninitialized on Win and Mac.
+ if (!is_opaque)
+ owned_canvas_->clear(SkColorSetARGB(0, 0, 0, 0));
+#endif
}
CanvasSkia::CanvasSkia(const SkBitmap& bitmap, bool is_opaque)
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