1 /* 2 * Copyright (C) 2009 Dirk Schulze <krit (at) webkit.org> 3 * Copyright (C) 2009 Brent Fulgham <bfulgham (at) webkit.org> 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 * aint 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 #ifndef ImageBufferFilter_h 22 #define ImageBufferFilter_h 23 24 #if ENABLE(FILTERS) 25 #include "Filter.h" 26 #include "FilterEffect.h" 27 #include "FloatRect.h" 28 #include "FloatSize.h" 29 30 #include <wtf/PassRefPtr.h> 31 #include <wtf/RefCounted.h> 32 #include <wtf/RefPtr.h> 33 34 namespace WebCore { 35 36 class ImageBufferFilter : public Filter { 37 public: 38 static PassRefPtr<ImageBufferFilter> create(); 39 40 virtual FloatRect filterRegion() const { return FloatRect(); } 41 virtual FloatRect sourceImageRect() const { return FloatRect(); } 42 43 // SVG specific 44 virtual bool effectBoundingBoxMode() const { return false; } 45 46 virtual FloatSize maxImageSize() const { return FloatSize(); } 47 virtual void calculateEffectSubRegion(FilterEffect*) { } 48 49 private: 50 ImageBufferFilter(); 51 }; 52 53 } // namespace WebCore 54 55 #endif // ENABLE(FILTERS) 56 57 #endif // ImageBufferFilter_h 58