File indexing completed on 2024-05-12 15:39:16
0001 /* 0002 * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org> 0003 * 0004 * Redistribution and use in source and binary forms, with or without 0005 * modification, are permitted provided that the following conditions 0006 * are met: 0007 * 1. Redistributions of source code must retain the above copyright 0008 * notice, this list of conditions and the following disclaimer. 0009 * 2. Redistributions in binary form must reproduce the above copyright 0010 * notice, this list of conditions and the following disclaimer in the 0011 * documentation and/or other materials provided with the distribution. 0012 * 0013 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 0014 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 0015 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 0016 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 0017 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 0018 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 0019 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 0020 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 0021 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 0022 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 0023 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 0024 */ 0025 0026 #ifndef SVGResourceMasker_h 0027 #define SVGResourceMasker_h 0028 0029 #if ENABLE(SVG) 0030 0031 #include "GraphicsContext.h" 0032 #include "SVGResource.h" 0033 0034 #include <memory> 0035 0036 #include <wtf/OwnPtr.h> 0037 #include <wtf/PassRefPtr.h> 0038 0039 namespace WebCore 0040 { 0041 0042 class FloatRect; 0043 class ImageBuffer; 0044 class SVGMaskElement; 0045 0046 class SVGResourceMasker : public SVGResource 0047 { 0048 public: 0049 static PassRefPtr<SVGResourceMasker> create(const SVGMaskElement *ownerElement) 0050 { 0051 return adoptRef(new SVGResourceMasker(ownerElement)); 0052 } 0053 virtual ~SVGResourceMasker(); 0054 0055 virtual void invalidate(); 0056 0057 virtual SVGResourceType resourceType() const 0058 { 0059 return MaskerResourceType; 0060 } 0061 /*virtual TextStream& externalRepresentation(TextStream&) const;*/ 0062 0063 // To be implemented by the specific rendering devices 0064 void applyMask(/*GraphicsContext**/QPainter *painter, const FloatRect &boundingBox); 0065 0066 private: 0067 SVGResourceMasker(const SVGMaskElement *); 0068 0069 const SVGMaskElement *m_ownerElement; 0070 0071 OwnPtr<ImageBuffer> m_mask; 0072 FloatRect m_maskRect; 0073 }; 0074 0075 SVGResourceMasker *getMaskerById(Document *, const AtomicString &); 0076 0077 } // namespace WebCore 0078 0079 #endif 0080 0081 #endif // SVGResourceMasker_h