1/*
2 * Copyright (C) 2012, 2013 Adobe Systems Incorporated. All rights reserved.
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 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
18 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
19 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
23 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
24 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#ifndef Path2D_h
29#define Path2D_h
30
31#include "bindings/core/v8/ScriptWrappable.h"
32#include "core/html/canvas/CanvasPathMethods.h"
33#include "core/svg/SVGMatrixTearOff.h"
34#include "core/svg/SVGPathUtilities.h"
35#include "platform/heap/Handle.h"
36#include "platform/transforms/AffineTransform.h"
37#include "wtf/PassRefPtr.h"
38#include "wtf/RefCounted.h"
39
40namespace blink {
41
42class Path2D FINAL : public RefCountedWillBeGarbageCollectedFinalized<Path2D>, public CanvasPathMethods, public ScriptWrappable {
43    DEFINE_WRAPPERTYPEINFO();
44    WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
45    WTF_MAKE_NONCOPYABLE(Path2D);
46public:
47    static PassRefPtrWillBeRawPtr<Path2D> create() { return adoptRefWillBeNoop(new Path2D); }
48    static PassRefPtrWillBeRawPtr<Path2D> create(const String& pathData) { return adoptRefWillBeNoop(new Path2D(pathData)); }
49    static PassRefPtrWillBeRawPtr<Path2D> create(Path2D* path) { return adoptRefWillBeNoop(new Path2D(path)); }
50
51    static PassRefPtrWillBeRawPtr<Path2D> create(const Path& path) { return adoptRefWillBeNoop(new Path2D(path)); }
52
53    const Path& path() const { return m_path; }
54
55    void addPath(Path2D* path)
56    {
57        addPath(path, 0);
58    }
59
60    void addPath(Path2D* path, SVGMatrixTearOff* transform)
61    {
62        Path src = path->path();
63        m_path.addPath(src, transform ? transform->value() : AffineTransform(1, 0, 0, 1, 0, 0));
64    }
65
66    virtual ~Path2D() { }
67    void trace(Visitor*) { }
68
69private:
70    Path2D() : CanvasPathMethods() { }
71
72    Path2D(const Path& path)
73        : CanvasPathMethods(path) { }
74
75    Path2D(Path2D* path)
76        : CanvasPathMethods(path->path()) { }
77
78    Path2D(const String& pathData)
79        : CanvasPathMethods()
80    {
81        buildPathFromString(pathData, m_path);
82    }
83};
84
85} // namespace blink
86
87#endif // Path2D_h
88