1/*
2 * Copyright (C) 2006, 2007, 2008 Apple Computer, Inc.  All rights reserved.
3 * Copyright (C) 2007 Alp Toker <alp@atoker.com>
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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 APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, 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 THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#ifndef CanvasGradient_h
28#define CanvasGradient_h
29
30#include "Gradient.h"
31#include <wtf/Forward.h>
32#include <wtf/PassRefPtr.h>
33#include <wtf/RefCounted.h>
34
35namespace WebCore {
36
37    typedef int ExceptionCode;
38
39    class CanvasGradient : public RefCounted<CanvasGradient> {
40    public:
41        static PassRefPtr<CanvasGradient> create(const FloatPoint& p0, const FloatPoint& p1)
42        {
43            return adoptRef(new CanvasGradient(p0, p1));
44        }
45        static PassRefPtr<CanvasGradient> create(const FloatPoint& p0, float r0, const FloatPoint& p1, float r1)
46        {
47            return adoptRef(new CanvasGradient(p0, r0, p1, r1));
48        }
49
50        Gradient* gradient() const { return m_gradient.get(); }
51
52        void addColorStop(float value, const String& color, ExceptionCode&);
53
54        void getColor(float value, float* r, float* g, float* b, float* a) const { m_gradient->getColor(value, r, g, b, a); }
55
56#if ENABLE(DASHBOARD_SUPPORT)
57        void setDashboardCompatibilityMode() { m_dashbardCompatibilityMode = true; }
58#endif
59
60    private:
61        CanvasGradient(const FloatPoint& p0, const FloatPoint& p1);
62        CanvasGradient(const FloatPoint& p0, float r0, const FloatPoint& p1, float r1);
63
64        RefPtr<Gradient> m_gradient;
65        bool m_dashbardCompatibilityMode;
66    };
67
68} //namespace
69
70#endif
71