diff options
Diffstat (limited to 'WebCore/html/HTMLCanvasElement.cpp')
| -rw-r--r-- | WebCore/html/HTMLCanvasElement.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/WebCore/html/HTMLCanvasElement.cpp b/WebCore/html/HTMLCanvasElement.cpp index 3838f14..6f46ab4 100644 --- a/WebCore/html/HTMLCanvasElement.cpp +++ b/WebCore/html/HTMLCanvasElement.cpp @@ -193,7 +193,7 @@ void HTMLCanvasElement::didDraw(const FloatRect& rect) FloatRect destRect = ro->contentBoxRect(); FloatRect r = mapRect(rect, FloatRect(0, 0, size().width(), size().height()), destRect); r.intersect(destRect); - if (m_dirtyRect.contains(r)) + if (r.isEmpty() || m_dirtyRect.contains(r)) return; m_dirtyRect.unite(r); |