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Diffstat (limited to 'Source/WebCore/rendering/RenderView.cpp')
| -rw-r--r-- | Source/WebCore/rendering/RenderView.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/Source/WebCore/rendering/RenderView.cpp b/Source/WebCore/rendering/RenderView.cpp index d25240b..20afefa 100644 --- a/Source/WebCore/rendering/RenderView.cpp +++ b/Source/WebCore/rendering/RenderView.cpp @@ -226,13 +226,17 @@ void RenderView::paintBoxDecorations(PaintInfo& paintInfo, int, int) RenderBox* rootBox = rootRenderer->isBox() ? toRenderBox(rootRenderer) : 0; rootFillsViewport = rootBox && !rootBox->x() && !rootBox->y() && rootBox->width() >= width() && rootBox->height() >= height(); } - + + float pageScaleFactor = 1; + if (Frame* frame = m_frameView->frame()) + pageScaleFactor = frame->pageScaleFactor(); + // If painting will entirely fill the view, no need to fill the background. - if (rootFillsViewport && rendererObscuresBackground(firstChild())) + if (rootFillsViewport && rendererObscuresBackground(firstChild()) && pageScaleFactor >= 1) return; // This code typically only executes if the root element's visibility has been set to hidden, - // or there is a transform on the <html>. + // if there is a transform on the <html>, or if there is a page scale factor less than 1. // Only fill with the base background color (typically white) if we're the root document, // since iframes/frames with no background in the child document should show the parent's background. if (frameView()->isTransparent()) // FIXME: This needs to be dynamic. We should be able to go back to blitting if we ever stop being transparent. |