khtml/svg/graphics/SVGPaintServerPattern.h

   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 SVGPaintServerPattern_h
  27 #define SVGPaintServerPattern_h
  28
  29 #if ENABLE(SVG)
  30
  31 #include "AffineTransform.h"
  32 #include "FloatRect.h"
  33 #include "SVGPaintServer.h"
  34
  35 #include <memory>
  36
  37 #include <wtf/OwnPtr.h>
  38
  39 namespace WebCore {
  40
  41     class GraphicsContext;
  42     class ImageBuffer;
  43     class SVGPatternElement;
  44
  45     class SVGPaintServerPattern : public SVGPaintServer {
  46     public:
  47         static PassRefPtr<SVGPaintServerPattern> create(const SVGPatternElement* owner) { return adoptRef(new SVGPaintServerPattern(owner)); }
  48
  49         virtual ~SVGPaintServerPattern();
  50
  51         virtual SVGPaintServerType type() const { return PatternPaintServer; }
  52
  53         // Pattern boundaries
  54         void setPatternBoundaries(const FloatRect&);
  55         FloatRect patternBoundaries() const;
  56
  57         ImageBuffer* tile() const;
  58         void setTile(std::auto_ptr<ImageBuffer>);
  59
  60         AffineTransform patternTransform() const;
  61         void setPatternTransform(const AffineTransform&);
  62
  63         virtual TextStream& externalRepresentation(TextStream&) const;
  64
  65 #if PLATFORM(CG)
  66         virtual bool setup(GraphicsContext*&, const RenderObject*, SVGPaintTargetType, bool isPaintingText) const;
  67         virtual void teardown(GraphicsContext*&, const RenderObject*, SVGPaintTargetType, bool isPaintingText) const;
  68 #endif
  69
  70 #if PLATFORM(QT) || PLATFORM(CAIRO)
  71         virtual bool setup(QPainter* painter, QPainterPaht* painterPath, const RenderObject*, SVGPaintTargetType, bool isPaintingText) const;
  72 #endif
  73
  74     private:
  75         SVGPaintServerPattern(const SVGPatternElement*);
  76
  77         OwnPtr<ImageBuffer> m_tile;
  78         const SVGPatternElement* m_ownerElement;
  79         AffineTransform m_patternTransform;
  80         FloatRect m_patternBoundaries;
  81
  82 #if PLATFORM(CG)
  83         mutable CGColorSpaceRef m_patternSpace;
  84         mutable CGPatternRef m_pattern;
  85 #endif
  86     };
  87
  88 } // namespace WebCore
  89
  90 #endif
  91
  92 #endif // SVGPaintServerPattern_h