1 /* 2 * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann (at) kde.org> 3 * Copyright (C) 2004, 2005 Rob Buis <buis (at) kde.org> 4 * Copyright (C) 2005 Eric Seidel <eric (at) webkit.org> 5 * Copyright (C) 2013 Google Inc. All rights reserved. 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public License 18 * along with this library; see the file COPYING.LIB. If not, write to 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 */ 22 23 #ifndef FEOffset_h 24 #define FEOffset_h 25 26 #include "core/platform/graphics/filters/Filter.h" 27 #include "core/platform/graphics/filters/FilterEffect.h" 28 29 namespace WebCore { 30 31 class FEOffset : public FilterEffect { 32 public: 33 static PassRefPtr<FEOffset> create(Filter*, float dx, float dy); 34 35 float dx() const; 36 void setDx(float); 37 38 float dy() const; 39 void setDy(float); 40 41 virtual void determineAbsolutePaintRect(); 42 virtual FloatRect mapRect(const FloatRect&, bool forward = true) OVERRIDE FINAL; 43 44 virtual TextStream& externalRepresentation(TextStream&, int indention) const; 45 46 virtual PassRefPtr<SkImageFilter> createImageFilter(SkiaImageFilterBuilder*) OVERRIDE; 47 48 private: 49 FEOffset(Filter*, float dx, float dy); 50 51 virtual void applySoftware() OVERRIDE; 52 53 float m_dx; 54 float m_dy; 55 }; 56 57 } // namespace WebCore 58 59 #endif // FEOffset_h 60