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         SVGPaintServerPattern(const SVGPatternElement*);

    48         virtual ~SVGPaintServerPattern();

    49 

    50         virtual SVGPaintServerType type() const { return PatternPaintServer; }

    51 

    52         // Pattern boundaries

    53         void setPatternBoundaries(const FloatRect&);

    54         FloatRect patternBoundaries() const;

    55 

    56         ImageBuffer* tile() const;

    57         void setTile(std::auto_ptr<ImageBuffer>);

    58 

    59         AffineTransform patternTransform() const;

    60         void setPatternTransform(const AffineTransform&);

    61 

    62         virtual TextStream& externalRepresentation(TextStream&) const;

    63 

    64 #if PLATFORM(CG)

    65         virtual bool setup(GraphicsContext*&, const RenderObject*, SVGPaintTargetType, bool isPaintingText) const;

    66         virtual void teardown(GraphicsContext*&, const RenderObject*, SVGPaintTargetType, bool isPaintingText) const; 

    67 #endif

    68 

    69 #if PLATFORM(QT) || PLATFORM(CAIRO)

    70         virtual bool setup(GraphicsContext*&, const RenderObject*, SVGPaintTargetType, bool isPaintingText) const;

    71 #endif

    72 

    73     private:

    74         OwnPtr<ImageBuffer> m_tile;

    75         const SVGPatternElement* m_ownerElement;

    76         AffineTransform m_patternTransform;

    77         FloatRect m_patternBoundaries;

    78         bool m_boundingBoxMode;

    79 

    80 #if PLATFORM(CG)

    81         mutable CGColorSpaceRef m_patternSpace;

    82         mutable CGPatternRef m_pattern;

    83 #endif                

    84     };

    85 

    86 } // namespace WebCore

    87 

    88 #endif

    89 

    90 #endif // SVGPaintServerPattern_h