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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 "AffineTransform.h"
32 
33 #include <wtf/PassRefPtr.h>
34 #include <wtf/RefCounted.h>
35 #include <wtf/RefPtr.h>
36 
37 #if PLATFORM(CG)
38 typedef struct CGPattern* CGPatternRef;
39 typedef CGPatternRef PlatformPatternPtr;
40 #elif PLATFORM(CAIRO)
41 #include <cairo.h>
42 typedef cairo_pattern_t* PlatformPatternPtr;
43 #elif PLATFORM(SKIA)
44 class SkShader;
45 typedef SkShader* PlatformPatternPtr;
46 #elif PLATFORM(QT)
47 #include <QBrush>
48 typedef QBrush PlatformPatternPtr;
49 #elif PLATFORM(WX)
50 #if USE(WXGC)
51 class wxGraphicsBrush;
52 typedef wxGraphicsBrush* PlatformPatternPtr;
53 #else
54 class wxBrush;
55 typedef wxBrush* PlatformPatternPtr;
56 #endif // USE(WXGC)
57 #elif PLATFORM(HAIKU)
58 #include <interface/GraphicsDefs.h>
59 typedef pattern* PlatformPatternPtr;
60 #elif OS(WINCE)
61 typedef void* PlatformPatternPtr;
62 #endif
63 
64 namespace WebCore {
65 
66 class AffineTransform;
67 class Image;
68 
69 class Pattern : public RefCounted<Pattern> {
70 public:
create(Image * tileImage,bool repeatX,bool repeatY)71     static PassRefPtr<Pattern> create(Image* tileImage, bool repeatX, bool repeatY)
72     {
73         return adoptRef(new Pattern(tileImage, repeatX, repeatY));
74     }
75     virtual ~Pattern();
76 
tileImage()77     Image* tileImage() const { return m_tileImage.get(); }
78 
79     void platformDestroy();
80 
81     // Pattern space is an abstract space that maps to the default user space by the transformation 'userSpaceTransformation'
82 #if PLATFORM(SKIA)
83     PlatformPatternPtr platformPattern(const AffineTransform& userSpaceTransformation);
84 #else
85     PlatformPatternPtr createPlatformPattern(const AffineTransform& userSpaceTransformation) const;
86 #endif
87     void setPatternSpaceTransform(const AffineTransform& patternSpaceTransformation);
88     void setPlatformPatternSpaceTransform();
89 
90 private:
91     Pattern(Image*, bool repeatX, bool repeatY);
92 
93     RefPtr<Image> m_tileImage;
94     bool m_repeatX;
95     bool m_repeatY;
96     AffineTransform m_patternSpaceTransformation;
97     PlatformPatternPtr m_pattern;
98 };
99 
100 } //namespace
101 
102 #endif
103