15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * are met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 1. Redistributions of source code must retain the above copyright 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 2. Redistributions in binary form must reproduce the above copyright 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer in the 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * documentation and/or other materials provided with the distribution. 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2302772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 2753e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/rendering/RenderHTMLCanvas.h" 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2953e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/html/HTMLCanvasElement.h" 3053e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/html/canvas/CanvasRenderingContext.h" 311e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles)#include "core/frame/FrameView.h" 32d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)#include "core/frame/LocalFrame.h" 3353e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/page/Page.h" 347242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci#include "core/paint/HTMLCanvasPainter.h" 3553e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/rendering/PaintInfo.h" 3653e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/rendering/RenderView.h" 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 38c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)using namespace HTMLNames; 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)RenderHTMLCanvas::RenderHTMLCanvas(HTMLCanvasElement* element) 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) : RenderReplaced(element, element->size()) 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) view()->frameView()->setIsVisuallyNonEmpty(); 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)LayerType RenderHTMLCanvas::layerTypeRequired() const 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 50323480423219ecd77329f8326dc5e0e3b50926d4Torne (Richard Coles) return NormalLayer; 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void RenderHTMLCanvas::paintReplaced(PaintInfo& paintInfo, const LayoutPoint& paintOffset) 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 557242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci HTMLCanvasPainter(*this).paintReplaced(paintInfo, paintOffset); 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void RenderHTMLCanvas::canvasSizeChanged() 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 60e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch IntSize canvasSize = toHTMLCanvasElement(node())->size(); 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutSize zoomedSize(canvasSize.width() * style()->effectiveZoom(), canvasSize.height() * style()->effectiveZoom()); 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (zoomedSize == intrinsicSize()) 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return; 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) setIntrinsicSize(zoomedSize); 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!parent()) 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return; 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!preferredLogicalWidthsDirty()) 72c0e19a689c8ac22cdc96b291a8d33a5d3b0b34a4Torne (Richard Coles) setPreferredLogicalWidthsDirty(); 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutSize oldSize = size(); 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) updateLogicalWidth(); 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) updateLogicalHeight(); 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (oldSize == size()) 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return; 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!selfNeedsLayout()) 81fdbb120d0a4a87db74bcb608de226c85a7d1c920Ben Murdoch setNeedsLayout(); 825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 84e38fbeeb576b5094e34e038ab88d9d6a5c5c2214Torne (Richard Coles)CompositingReasons RenderHTMLCanvas::additionalCompositingReasons() const 8507a852d8c1953036774d8f3b65d18dcfea3bb4a2Ben Murdoch{ 8607a852d8c1953036774d8f3b65d18dcfea3bb4a2Ben Murdoch HTMLCanvasElement* canvas = toHTMLCanvasElement(node()); 8707a852d8c1953036774d8f3b65d18dcfea3bb4a2Ben Murdoch if (canvas->renderingContext() && canvas->renderingContext()->isAccelerated()) 8807a852d8c1953036774d8f3b65d18dcfea3bb4a2Ben Murdoch return CompositingReasonCanvas; 8907a852d8c1953036774d8f3b65d18dcfea3bb4a2Ben Murdoch 9007a852d8c1953036774d8f3b65d18dcfea3bb4a2Ben Murdoch return CompositingReasonNone; 9107a852d8c1953036774d8f3b65d18dcfea3bb4a2Ben Murdoch} 9207a852d8c1953036774d8f3b65d18dcfea3bb4a2Ben Murdoch 93c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 94