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      1 /*
      2  * Copyright (C) 2006 Nikolas Zimmermann <zimmermann (at) 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 "Pattern.h"
     34 #include "SVGPaintServer.h"
     35 
     36 #include <memory>
     37 
     38 #include <wtf/OwnPtr.h>
     39 #include <wtf/PassOwnPtr.h>
     40 
     41 namespace WebCore {
     42 
     43     class GraphicsContext;
     44     class ImageBuffer;
     45     class SVGPatternElement;
     46 
     47     class SVGPaintServerPattern : public SVGPaintServer {
     48     public:
     49         static PassRefPtr<SVGPaintServerPattern> create(const SVGPatternElement* owner) { return adoptRef(new SVGPaintServerPattern(owner)); }
     50 
     51         virtual ~SVGPaintServerPattern();
     52 
     53         virtual SVGPaintServerType type() const { return PatternPaintServer; }
     54 
     55         // Pattern boundaries
     56         void setPatternBoundaries(const FloatRect&);
     57         FloatRect patternBoundaries() const;
     58 
     59         ImageBuffer* tile() const;
     60         void setTile(PassOwnPtr<ImageBuffer>);
     61 
     62         AffineTransform patternTransform() const;
     63         void setPatternTransform(const AffineTransform&);
     64 
     65         virtual TextStream& externalRepresentation(TextStream&) const;
     66 
     67         virtual bool setup(GraphicsContext*&, const RenderObject*, const RenderStyle*, SVGPaintTargetType, bool isPaintingText) const;
     68         virtual void teardown(GraphicsContext*&, const RenderObject*, SVGPaintTargetType, bool isPaintingText) const;
     69 
     70     private:
     71         SVGPaintServerPattern(const SVGPatternElement*);
     72 
     73         OwnPtr<ImageBuffer> m_tile;
     74         const SVGPatternElement* m_ownerElement;
     75         AffineTransform m_patternTransform;
     76         FloatRect m_patternBoundaries;
     77 
     78         mutable RefPtr<Pattern> m_pattern;
     79     };
     80 
     81 } // namespace WebCore
     82 
     83 #endif
     84 
     85 #endif // SVGPaintServerPattern_h
     86