1 /* 2 * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org> 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef SVGResourceMasker_h 27 #define SVGResourceMasker_h 28 29 #if ENABLE(SVG) 30 31 #include "GraphicsContext.h" 32 #include "SVGResource.h" 33 34 #include <memory> 35 36 #include <wtf/OwnPtr.h> 37 #include <wtf/PassRefPtr.h> 38 39 namespace WebCore { 40 41 class FloatRect; 42 class ImageBuffer; 43 class SVGMaskElement; 44 45 class SVGResourceMasker : public SVGResource { 46 public: create(const SVGMaskElement * ownerElement)47 static PassRefPtr<SVGResourceMasker> create(const SVGMaskElement* ownerElement) { return adoptRef(new SVGResourceMasker(ownerElement)); } 48 virtual ~SVGResourceMasker(); 49 50 virtual void invalidate(); 51 resourceType()52 virtual SVGResourceType resourceType() const { return MaskerResourceType; } 53 virtual TextStream& externalRepresentation(TextStream&) const; 54 55 // To be implemented by the specific rendering devices 56 void applyMask(GraphicsContext*, const FloatRect& boundingBox); 57 58 private: 59 SVGResourceMasker(const SVGMaskElement*); 60 61 const SVGMaskElement* m_ownerElement; 62 63 OwnPtr<ImageBuffer> m_mask; 64 FloatRect m_maskRect; 65 }; 66 67 SVGResourceMasker* getMaskerById(Document*, const AtomicString&); 68 69 } // namespace WebCore 70 71 #endif 72 73 #endif // SVGResourceMasker_h 74