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 "core/platform/graphics/filters/SourceGraphic.h" 24 25#include "core/platform/graphics/GraphicsContext.h" 26#include "core/platform/graphics/filters/Filter.h" 27#include "core/platform/text/TextStream.h" 28#include "core/rendering/RenderTreeAsText.h" 29#include "wtf/StdLibExtras.h" 30#include "wtf/text/WTFString.h" 31 32namespace WebCore { 33 34PassRefPtr<SourceGraphic> SourceGraphic::create(Filter* filter) 35{ 36 return adoptRef(new SourceGraphic(filter)); 37} 38 39const AtomicString& SourceGraphic::effectName() 40{ 41 DEFINE_STATIC_LOCAL(const AtomicString, s_effectName, ("SourceGraphic", AtomicString::ConstructFromLiteral)); 42 return s_effectName; 43} 44 45void SourceGraphic::determineAbsolutePaintRect() 46{ 47 Filter* filter = this->filter(); 48 FloatRect paintRect = filter->sourceImageRect(); 49 paintRect.scale(filter->filterResolution().width(), filter->filterResolution().height()); 50 setAbsolutePaintRect(enclosingIntRect(paintRect)); 51} 52 53void SourceGraphic::applySoftware() 54{ 55 ImageBuffer* resultImage = createImageBufferResult(); 56 Filter* filter = this->filter(); 57 if (!resultImage || !filter->sourceImage()) 58 return; 59 60 resultImage->context()->drawImageBuffer(filter->sourceImage(), IntPoint()); 61} 62 63TextStream& SourceGraphic::externalRepresentation(TextStream& ts, int indent) const 64{ 65 writeIndent(ts, indent); 66 ts << "[SourceGraphic]\n"; 67 return ts; 68} 69 70} // namespace WebCore 71