1/* 2 * Copyright (C) 2009 Dirk Schulze <krit@webkit.org> 3 * Copyright (C) 2013 Google Inc. All rights reserved. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21#include "config.h" 22 23#include "platform/graphics/filters/SourceGraphic.h" 24 25#include "platform/graphics/GraphicsContext.h" 26#include "platform/text/TextStream.h" 27#include "wtf/StdLibExtras.h" 28#include "wtf/text/WTFString.h" 29 30namespace WebCore { 31 32PassRefPtr<SourceGraphic> SourceGraphic::create(Filter* filter) 33{ 34 return adoptRef(new SourceGraphic(filter)); 35} 36 37const AtomicString& SourceGraphic::effectName() 38{ 39 DEFINE_STATIC_LOCAL(const AtomicString, s_effectName, ("SourceGraphic", AtomicString::ConstructFromLiteral)); 40 return s_effectName; 41} 42 43void SourceGraphic::determineAbsolutePaintRect() 44{ 45 Filter* filter = this->filter(); 46 FloatRect paintRect = filter->sourceImageRect(); 47 paintRect.scale(filter->filterResolution().width(), filter->filterResolution().height()); 48 setAbsolutePaintRect(enclosingIntRect(paintRect)); 49} 50 51void SourceGraphic::applySoftware() 52{ 53 ImageBuffer* resultImage = createImageBufferResult(); 54 Filter* filter = this->filter(); 55 if (!resultImage || !filter->sourceImage()) 56 return; 57 58 resultImage->context()->drawImageBuffer(filter->sourceImage(), IntPoint()); 59} 60 61TextStream& SourceGraphic::externalRepresentation(TextStream& ts, int indent) const 62{ 63 writeIndent(ts, indent); 64 ts << "[SourceGraphic]\n"; 65 return ts; 66} 67 68} // namespace WebCore 69