1/*
2 * Copyright (C) 2006, 2007, 2008 Apple 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 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 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#pragma once
29
30#include "AffineTransform.h"
31
32#include <wtf/Ref.h>
33#include <wtf/RefCounted.h>
34
35#if USE(CG)
36typedef struct CGPattern* CGPatternRef;
37typedef CGPatternRef PlatformPatternPtr;
38#elif USE(DIRECT2D)
39interface ID2D1BitmapBrush;
40typedef ID2D1BitmapBrush* PlatformPatternPtr;
41#elif USE(CAIRO)
42typedef struct _cairo_pattern cairo_pattern_t;
43typedef cairo_pattern_t* PlatformPatternPtr;
44#elif USE(WINGDI)
45typedef void* PlatformPatternPtr;
46#endif
47
48namespace WebCore {
49
50class AffineTransform;
51class GraphicsContext;
52class Image;
53
54class Pattern final : public RefCounted<Pattern> {
55public:
56 static Ref<Pattern> create(Ref<Image>&& tileImage, bool repeatX, bool repeatY);
57 ~Pattern();
58
59 Image& tileImage() const { return m_tileImage.get(); }
60
61 // Pattern space is an abstract space that maps to the default user space by the transformation 'userSpaceTransformation'
62#if !USE(DIRECT2D)
63 PlatformPatternPtr createPlatformPattern(const AffineTransform& userSpaceTransformation) const;
64#else
65 PlatformPatternPtr createPlatformPattern(const GraphicsContext&, float alpha, const AffineTransform& userSpaceTransformation) const;
66#endif
67 void setPatternSpaceTransform(const AffineTransform& patternSpaceTransformation);
68 const AffineTransform& patternSpaceTransform() const { return m_patternSpaceTransformation; };
69 bool repeatX() const { return m_repeatX; }
70 bool repeatY() const { return m_repeatY; }
71
72private:
73 Pattern(Ref<Image>&&, bool repeatX, bool repeatY);
74
75 Ref<Image> m_tileImage;
76 AffineTransform m_patternSpaceTransformation;
77 bool m_repeatX;
78 bool m_repeatY;
79};
80
81} //namespace
82
83