18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 28e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved. 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 48e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Redistribution and use in source and binary forms, with or without 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * modification, are permitted provided that the following conditions 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * are met: 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer. 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * documentation and/or other materials provided with the distribution. 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "config.h" 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "RenderHTMLCanvas.h" 288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 29db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block#include "CanvasRenderingContext.h" 308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "Document.h" 3165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "FrameView.h" 328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "GraphicsContext.h" 338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "HTMLCanvasElement.h" 348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "HTMLNames.h" 3565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "PaintInfo.h" 368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "RenderView.h" 378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectnamespace WebCore { 398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectusing namespace HTMLNames; 418e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source ProjectRenderHTMLCanvas::RenderHTMLCanvas(HTMLCanvasElement* element) 438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project : RenderReplaced(element, element->size()) 448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 45635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project view()->frameView()->setIsVisuallyNonEmpty(); 468e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 478e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 48231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Blockbool RenderHTMLCanvas::requiresLayer() const 49231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block{ 5034c42dc62d0d9894b353fff39eac1862c03af931Nicolas Roard#if PLATFORM(ANDROID) 5134c42dc62d0d9894b353fff39eac1862c03af931Nicolas Roard // All Canvas are drawn on their own composited layer 5234c42dc62d0d9894b353fff39eac1862c03af931Nicolas Roard // This improves performances a lot (as this simplify 5334c42dc62d0d9894b353fff39eac1862c03af931Nicolas Roard // the repaint/inval chain dealing with the PictureSet) 5434c42dc62d0d9894b353fff39eac1862c03af931Nicolas Roard return true; 5534c42dc62d0d9894b353fff39eac1862c03af931Nicolas Roard#endif 5634c42dc62d0d9894b353fff39eac1862c03af931Nicolas Roard 57231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block if (RenderReplaced::requiresLayer()) 58231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block return true; 59c25e44371cee46d5ba925ef59b9af726cbbc6480John Reck 60231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block HTMLCanvasElement* canvas = static_cast<HTMLCanvasElement*>(node()); 61db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block return canvas && canvas->renderingContext() && canvas->renderingContext()->isAccelerated(); 62231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block} 63231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectvoid RenderHTMLCanvas::paintReplaced(PaintInfo& paintInfo, int tx, int ty) 658e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 66635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project IntRect rect = contentBoxRect(); 678e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project rect.move(tx, ty); 688e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project static_cast<HTMLCanvasElement*>(node())->paint(paintInfo.context, rect); 698e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 708e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 718e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectvoid RenderHTMLCanvas::canvasSizeChanged() 728e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 73635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project IntSize canvasSize = static_cast<HTMLCanvasElement*>(node())->size(); 74635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project IntSize zoomedSize(canvasSize.width() * style()->effectiveZoom(), canvasSize.height() * style()->effectiveZoom()); 758e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 76231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block if (zoomedSize == intrinsicSize()) 778e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return; 788e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 79231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block setIntrinsicSize(zoomedSize); 80231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 81231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block if (!parent()) 82231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block return; 838e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 84bec39347bb3bb5bf1187ccaf471d26247f28b585Kristian Monsen if (!preferredLogicalWidthsDirty()) 85bec39347bb3bb5bf1187ccaf471d26247f28b585Kristian Monsen setPreferredLogicalWidthsDirty(true); 868e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 87635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project IntSize oldSize = size(); 88bec39347bb3bb5bf1187ccaf471d26247f28b585Kristian Monsen computeLogicalWidth(); 89bec39347bb3bb5bf1187ccaf471d26247f28b585Kristian Monsen computeLogicalHeight(); 90635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project if (oldSize == size()) 918e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return; 928e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 938e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (!selfNeedsLayout()) 948e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project setNeedsLayout(true); 958e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 968e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 978e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} // namespace WebCore 98