1 /* 2 * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved. 3 * Copyright (C) 2013 Google Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above 10 * copyright notice, this list of conditions and the following 11 * disclaimer. 12 * 2. Redistributions in binary form must reproduce the above 13 * copyright notice, this list of conditions and the following 14 * disclaimer in the documentation and/or other materials 15 * provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE 21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 22 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 26 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 27 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #ifndef ReferenceFilter_h 32 #define ReferenceFilter_h 33 34 #include "platform/geometry/FloatRect.h" 35 #include "platform/graphics/filters/Filter.h" 36 #include "wtf/PassRefPtr.h" 37 #include "wtf/RefPtr.h" 38 39 namespace WebCore { 40 41 class SourceGraphic; 42 class FilterEffect; 43 44 class PLATFORM_EXPORT ReferenceFilter: public Filter { 45 public: create()46 static PassRefPtr<ReferenceFilter> create() 47 { 48 return adoptRef(new ReferenceFilter()); 49 } 50 sourceImageRect()51 virtual FloatRect sourceImageRect() const { return FloatRect(); }; 52 53 void setLastEffect(PassRefPtr<FilterEffect>); lastEffect()54 FilterEffect* lastEffect() const { return m_lastEffect.get(); } 55 sourceGraphic()56 SourceGraphic* sourceGraphic() const { return m_sourceGraphic.get(); } 57 58 private: 59 ReferenceFilter(); 60 ~ReferenceFilter(); 61 62 RefPtr<SourceGraphic> m_sourceGraphic; 63 RefPtr<FilterEffect> m_lastEffect; 64 }; 65 66 } 67 68 #endif // ReferenceFilter_h 69