diff options
author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
---|---|---|
committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/rendering/RenderHTMLCanvas.cpp | |
parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 |
Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/rendering/RenderHTMLCanvas.cpp')
-rw-r--r-- | Source/WebCore/rendering/RenderHTMLCanvas.cpp | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/Source/WebCore/rendering/RenderHTMLCanvas.cpp b/Source/WebCore/rendering/RenderHTMLCanvas.cpp new file mode 100644 index 0000000..68bb536 --- /dev/null +++ b/Source/WebCore/rendering/RenderHTMLCanvas.cpp @@ -0,0 +1,89 @@ +/* + * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" +#include "RenderHTMLCanvas.h" + +#include "CanvasRenderingContext.h" +#include "Document.h" +#include "GraphicsContext.h" +#include "HTMLCanvasElement.h" +#include "HTMLNames.h" +#include "RenderView.h" +#include "FrameView.h" + +namespace WebCore { + +using namespace HTMLNames; + +RenderHTMLCanvas::RenderHTMLCanvas(HTMLCanvasElement* element) + : RenderReplaced(element, element->size()) +{ + view()->frameView()->setIsVisuallyNonEmpty(); +} + +bool RenderHTMLCanvas::requiresLayer() const +{ + if (RenderReplaced::requiresLayer()) + return true; + + HTMLCanvasElement* canvas = static_cast<HTMLCanvasElement*>(node()); + return canvas && canvas->renderingContext() && canvas->renderingContext()->isAccelerated(); +} + +void RenderHTMLCanvas::paintReplaced(PaintInfo& paintInfo, int tx, int ty) +{ + IntRect rect = contentBoxRect(); + rect.move(tx, ty); + static_cast<HTMLCanvasElement*>(node())->paint(paintInfo.context, rect); +} + +void RenderHTMLCanvas::canvasSizeChanged() +{ + IntSize canvasSize = static_cast<HTMLCanvasElement*>(node())->size(); + IntSize zoomedSize(canvasSize.width() * style()->effectiveZoom(), canvasSize.height() * style()->effectiveZoom()); + + if (zoomedSize == intrinsicSize()) + return; + + setIntrinsicSize(zoomedSize); + + if (!parent()) + return; + + if (!preferredLogicalWidthsDirty()) + setPreferredLogicalWidthsDirty(true); + + IntSize oldSize = size(); + computeLogicalWidth(); + computeLogicalHeight(); + if (oldSize == size()) + return; + + if (!selfNeedsLayout()) + setNeedsLayout(true); +} + +} // namespace WebCore |