1/* 2 * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> 3 * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org> 4 * Copyright (C) 2005 Eric Seidel <eric@webkit.org> 5 * Copyright (C) 2009 Dirk Schulze <krit@webkit.org> 6 * Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies) 7 * Copyright (C) 2014 Adobe Systems Incorporated. All rights reserved. 8 * 9 * This library is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Library General Public 11 * License as published by the Free Software Foundation; either 12 * version 2 of the License, or (at your option) any later version. 13 * 14 * This library is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Library General Public License for more details. 18 * 19 * You should have received a copy of the GNU Library General Public License 20 * along with this library; see the file COPYING.LIB. If not, write to 21 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 22 * Boston, MA 02110-1301, USA. 23 */ 24 25#include "config.h" 26 27#if ENABLE(FILTERS) 28#include "FEBlend.h" 29#include "FEBlendNEON.h" 30 31#include "Filter.h" 32#include "FloatPoint.h" 33#include "GraphicsContext.h" 34#include "TextStream.h" 35 36#include <runtime/Uint8ClampedArray.h> 37 38namespace WebCore { 39 40FEBlend::FEBlend(Filter* filter, BlendMode mode) 41 : FilterEffect(filter) 42 , m_mode(mode) 43{ 44} 45 46PassRefPtr<FEBlend> FEBlend::create(Filter* filter, BlendMode mode) 47{ 48 return adoptRef(new FEBlend(filter, mode)); 49} 50 51BlendMode FEBlend::blendMode() const 52{ 53 return m_mode; 54} 55 56bool FEBlend::setBlendMode(BlendMode mode) 57{ 58 if (m_mode == mode) 59 return false; 60 m_mode = mode; 61 return true; 62} 63 64#if !HAVE(ARM_NEON_INTRINSICS) 65void FEBlend::platformApplySoftware() 66{ 67 FilterEffect* in = inputEffect(0); 68 FilterEffect* in2 = inputEffect(1); 69 70 ImageBuffer* resultImage = createImageBufferResult(); 71 if (!resultImage) 72 return; 73 GraphicsContext* filterContext = resultImage->context(); 74 75 ImageBuffer* imageBuffer = in->asImageBuffer(); 76 ImageBuffer* imageBuffer2 = in2->asImageBuffer(); 77 ASSERT(imageBuffer); 78 ASSERT(imageBuffer2); 79 80 filterContext->drawImageBuffer(imageBuffer2, ColorSpaceDeviceRGB, drawingRegionOfInputImage(in2->absolutePaintRect())); 81 filterContext->drawImageBuffer(imageBuffer, ColorSpaceDeviceRGB, drawingRegionOfInputImage(in->absolutePaintRect()), IntRect(IntPoint(), imageBuffer->logicalSize()), ImagePaintingOptions(CompositeSourceOver, m_mode)); 82} 83#endif 84 85void FEBlend::dump() 86{ 87} 88 89TextStream& FEBlend::externalRepresentation(TextStream& ts, int indent) const 90{ 91 writeIndent(ts, indent); 92 ts << "[feBlend"; 93 FilterEffect::externalRepresentation(ts); 94 ts << " mode=\"" << (m_mode == BlendModeNormal ? "normal" : compositeOperatorName(CompositeSourceOver, m_mode)) << "\"]\n"; 95 inputEffect(0)->externalRepresentation(ts, indent + 1); 96 inputEffect(1)->externalRepresentation(ts, indent + 1); 97 return ts; 98} 99 100} // namespace WebCore 101 102#endif // ENABLE(FILTERS) 103