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| 1 /* | |
| 2 * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #include "config.h" | |
| 27 #include "core/rendering/RenderHTMLCanvas.h" | |
| 28 | |
| 29 #include "core/html/HTMLCanvasElement.h" | |
| 30 #include "core/html/canvas/CanvasRenderingContext.h" | |
| 31 #include "core/frame/FrameView.h" | |
| 32 #include "core/frame/LocalFrame.h" | |
| 33 #include "core/layout/PaintInfo.h" | |
| 34 #include "core/page/Page.h" | |
| 35 #include "core/paint/HTMLCanvasPainter.h" | |
| 36 #include "core/rendering/RenderView.h" | |
| 37 | |
| 38 namespace blink { | |
| 39 | |
| 40 using namespace HTMLNames; | |
| 41 | |
| 42 RenderHTMLCanvas::RenderHTMLCanvas(HTMLCanvasElement* element) | |
| 43 : RenderReplaced(element, LayoutSize(element->size())) | |
| 44 { | |
| 45 view()->frameView()->setIsVisuallyNonEmpty(); | |
| 46 } | |
| 47 | |
| 48 LayerType RenderHTMLCanvas::layerTypeRequired() const | |
| 49 { | |
| 50 return NormalLayer; | |
| 51 } | |
| 52 | |
| 53 void RenderHTMLCanvas::paintReplaced(const PaintInfo& paintInfo, const LayoutPoi
nt& paintOffset) | |
| 54 { | |
| 55 HTMLCanvasPainter(*this).paintReplaced(paintInfo, paintOffset); | |
| 56 } | |
| 57 | |
| 58 void RenderHTMLCanvas::canvasSizeChanged() | |
| 59 { | |
| 60 IntSize canvasSize = toHTMLCanvasElement(node())->size(); | |
| 61 LayoutSize zoomedSize(canvasSize.width() * style()->effectiveZoom(), canvasS
ize.height() * style()->effectiveZoom()); | |
| 62 | |
| 63 if (zoomedSize == intrinsicSize()) | |
| 64 return; | |
| 65 | |
| 66 setIntrinsicSize(zoomedSize); | |
| 67 | |
| 68 if (!parent()) | |
| 69 return; | |
| 70 | |
| 71 if (!preferredLogicalWidthsDirty()) | |
| 72 setPreferredLogicalWidthsDirty(); | |
| 73 | |
| 74 LayoutSize oldSize = size(); | |
| 75 updateLogicalWidth(); | |
| 76 updateLogicalHeight(); | |
| 77 if (oldSize == size()) | |
| 78 return; | |
| 79 | |
| 80 if (!selfNeedsLayout()) | |
| 81 setNeedsLayout(); | |
| 82 } | |
| 83 | |
| 84 PaintInvalidationReason RenderHTMLCanvas::invalidatePaintIfNeeded(const PaintInv
alidationState& paintInvalidationState, const LayoutLayerModelObject& paintInval
idationContainer) | |
| 85 { | |
| 86 PaintInvalidationReason reason = RenderBox::invalidatePaintIfNeeded(paintInv
alidationState, paintInvalidationContainer); | |
| 87 HTMLCanvasElement* element = toHTMLCanvasElement(node()); | |
| 88 if (element->isDirty()) { | |
| 89 element->doDeferredPaintInvalidation(); | |
| 90 if (reason < PaintInvalidationRectangle) | |
| 91 reason = PaintInvalidationRectangle; | |
| 92 } | |
| 93 return reason; | |
| 94 } | |
| 95 | |
| 96 CompositingReasons RenderHTMLCanvas::additionalCompositingReasons() const | |
| 97 { | |
| 98 HTMLCanvasElement* canvas = toHTMLCanvasElement(node()); | |
| 99 if (canvas->renderingContext() && canvas->renderingContext()->isAccelerated(
)) | |
| 100 return CompositingReasonCanvas; | |
| 101 | |
| 102 return CompositingReasonNone; | |
| 103 } | |
| 104 | |
| 105 } // namespace blink | |
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Chromium Code Reviews
Issue 930833003:
Move and rename RenderReplaced and RenderHTMLCanvas to Layout{Replaced,HTMLCanvas}. (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master