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1 /*
2  * Copyright (C) 2006, 2007, 2008 Apple Computer, Inc.  All rights reserved.
3  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
4  * Copyright (C) 2007-2008 Torch Mobile, Inc.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
16  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
19  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
23  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #ifndef Pattern_h
29 #define Pattern_h
30 
31 #include <wtf/PassRefPtr.h>
32 #include <wtf/RefCounted.h>
33 #include <wtf/RefPtr.h>
34 #include "TransformationMatrix.h"
35 
36 #if PLATFORM(CG)
37 typedef struct CGPattern* CGPatternRef;
38 typedef CGPatternRef PlatformPatternPtr;
39 #elif PLATFORM(CAIRO)
40 #include <cairo.h>
41 typedef cairo_pattern_t* PlatformPatternPtr;
42 #elif PLATFORM(SKIA) || PLATFORM(SGL)
43 class SkShader;
44 typedef SkShader* PlatformPatternPtr;
45 #elif PLATFORM(QT)
46 #include <QBrush>
47 typedef QBrush PlatformPatternPtr;
48 #elif PLATFORM(WX)
49 #if USE(WXGC)
50 class wxGraphicsBrush;
51 typedef wxGraphicsBrush* PlatformPatternPtr;
52 #else
53 class wxBrush;
54 typedef wxBrush* PlatformPatternPtr;
55 #endif // USE(WXGC)
56 #elif PLATFORM(WINCE)
57 typedef void* PlatformPatternPtr;
58 #endif
59 
60 namespace WebCore {
61     class TransformationMatrix;
62     class Image;
63 
64     class Pattern : public RefCounted<Pattern> {
65     public:
create(Image * tileImage,bool repeatX,bool repeatY)66         static PassRefPtr<Pattern> create(Image* tileImage, bool repeatX, bool repeatY)
67         {
68             return adoptRef(new Pattern(tileImage, repeatX, repeatY));
69         }
70         virtual ~Pattern();
71 
tileImage()72         Image* tileImage() const { return m_tileImage.get(); }
73 
74         // Pattern space is an abstract space that maps to the default user space by the transformation 'userSpaceTransformation'
75         PlatformPatternPtr createPlatformPattern(const TransformationMatrix& userSpaceTransformation) const;
setPatternSpaceTransform(const TransformationMatrix & patternSpaceTransformation)76         void setPatternSpaceTransform(const TransformationMatrix& patternSpaceTransformation) { m_patternSpaceTransformation = patternSpaceTransformation; }
77 
78     private:
79         Pattern(Image*, bool repeatX, bool repeatY);
80 
81         RefPtr<Image> m_tileImage;
82         bool m_repeatX;
83         bool m_repeatY;
84         TransformationMatrix m_patternSpaceTransformation;
85     };
86 
87 } //namespace
88 
89 #endif
90