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Diffstat (limited to 'WebCore/rendering/RenderHTMLCanvas.cpp')
-rw-r--r-- | WebCore/rendering/RenderHTMLCanvas.cpp | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/WebCore/rendering/RenderHTMLCanvas.cpp b/WebCore/rendering/RenderHTMLCanvas.cpp new file mode 100644 index 0000000..4e556df --- /dev/null +++ b/WebCore/rendering/RenderHTMLCanvas.cpp @@ -0,0 +1,72 @@ +/* + * 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 "Document.h" +#include "GraphicsContext.h" +#include "HTMLCanvasElement.h" +#include "HTMLNames.h" +#include "RenderView.h" + +namespace WebCore { + +using namespace HTMLNames; + +RenderHTMLCanvas::RenderHTMLCanvas(HTMLCanvasElement* element) + : RenderReplaced(element, element->size()) +{ +} + +void RenderHTMLCanvas::paintReplaced(PaintInfo& paintInfo, int tx, int ty) +{ + IntRect rect = contentBox(); + rect.move(tx, ty); + static_cast<HTMLCanvasElement*>(node())->paint(paintInfo.context, rect); +} + +void RenderHTMLCanvas::canvasSizeChanged() +{ + IntSize size = static_cast<HTMLCanvasElement*>(node())->size(); + if (size == intrinsicSize()) + return; + + setIntrinsicSize(size); + + if (!prefWidthsDirty()) + setPrefWidthsDirty(true); + + IntSize oldSize = IntSize(m_width, m_height); + calcWidth(); + calcHeight(); + if (oldSize == IntSize(m_width, m_height)) + return; + + if (!selfNeedsLayout()) + setNeedsLayout(true); +} + +} // namespace WebCore |