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a044a6d074
They now do the same thing as the non-AdnFullPaintInvalidation versions. R=esprehn@chromium.org Review URL: https://codereview.chromium.org/840483004
111 lines
4.0 KiB
C++
111 lines
4.0 KiB
C++
/*
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* Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "sky/engine/config.h"
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#include "sky/engine/core/rendering/RenderHTMLCanvas.h"
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#include "sky/engine/core/frame/FrameView.h"
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#include "sky/engine/core/frame/LocalFrame.h"
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#include "sky/engine/core/html/HTMLCanvasElement.h"
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#include "sky/engine/core/html/canvas/CanvasRenderingContext.h"
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#include "sky/engine/core/page/Page.h"
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#include "sky/engine/core/rendering/PaintInfo.h"
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#include "sky/engine/core/rendering/RenderView.h"
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namespace blink {
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RenderHTMLCanvas::RenderHTMLCanvas(HTMLCanvasElement* element)
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: RenderReplaced(element, element->size())
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{
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}
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LayerType RenderHTMLCanvas::layerTypeRequired() const
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{
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return NormalLayer;
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}
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void RenderHTMLCanvas::paintReplaced(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
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{
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GraphicsContext* context = paintInfo.context;
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LayoutRect contentRect = contentBoxRect();
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contentRect.moveBy(paintOffset);
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LayoutRect paintRect = replacedContentRect();
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paintRect.moveBy(paintOffset);
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bool clip = !contentRect.contains(paintRect);
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if (clip) {
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// Not allowed to overflow the content box.
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paintInfo.context->save();
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paintInfo.context->clip(pixelSnappedIntRect(contentRect));
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}
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// FIXME: InterpolationNone should be used if ImageRenderingOptimizeContrast is set.
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// See bug for more details: crbug.com/353716.
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InterpolationQuality interpolationQuality = style()->imageRendering() == ImageRenderingOptimizeContrast ? InterpolationLow : CanvasDefaultInterpolationQuality;
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HTMLCanvasElement* canvas = toHTMLCanvasElement(node());
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LayoutSize layoutSize = contentRect.size();
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if (style()->imageRendering() == ImageRenderingPixelated
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&& (layoutSize.width() > canvas->width() || layoutSize.height() > canvas->height() || layoutSize == canvas->size())) {
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interpolationQuality = InterpolationNone;
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}
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InterpolationQuality previousInterpolationQuality = context->imageInterpolationQuality();
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context->setImageInterpolationQuality(interpolationQuality);
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canvas->paint(context, paintRect);
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context->setImageInterpolationQuality(previousInterpolationQuality);
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if (clip)
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context->restore();
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}
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void RenderHTMLCanvas::canvasSizeChanged()
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{
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IntSize canvasSize = toHTMLCanvasElement(node())->size();
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if (canvasSize == intrinsicSize())
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return;
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setIntrinsicSize(canvasSize);
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if (!parent())
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return;
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if (!preferredLogicalWidthsDirty())
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setPreferredLogicalWidthsDirty();
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LayoutSize oldSize = size();
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updateLogicalWidth();
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updateLogicalHeight();
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if (oldSize == size())
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return;
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if (!selfNeedsLayout())
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setNeedsLayout();
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}
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} // namespace blink
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