1/*
2 * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB.  If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20#ifndef GradientAttributes_h
21#define GradientAttributes_h
22
23#include "SVGGradientElement.h"
24#include "SVGUnitTypes.h"
25
26namespace WebCore {
27
28struct GradientAttributes {
29    GradientAttributes()
30        : m_spreadMethod(SVGSpreadMethodPad)
31        , m_gradientUnits(SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX)
32        , m_spreadMethodSet(false)
33        , m_gradientUnitsSet(false)
34        , m_gradientTransformSet(false)
35        , m_stopsSet(false)
36    {
37    }
38
39    SVGSpreadMethodType spreadMethod() const { return static_cast<SVGSpreadMethodType>(m_spreadMethod); }
40    SVGUnitTypes::SVGUnitType gradientUnits() const { return static_cast<SVGUnitTypes::SVGUnitType>(m_gradientUnits); }
41    AffineTransform gradientTransform() const { return m_gradientTransform; }
42    const Vector<Gradient::ColorStop>& stops() const { return m_stops; }
43
44    void setSpreadMethod(SVGSpreadMethodType value)
45    {
46        m_spreadMethod = value;
47        m_spreadMethodSet = true;
48    }
49
50    void setGradientUnits(SVGUnitTypes::SVGUnitType unitType)
51    {
52        m_gradientUnits = unitType;
53        m_gradientUnitsSet = true;
54    }
55
56    void setGradientTransform(const AffineTransform& value)
57    {
58        m_gradientTransform = value;
59        m_gradientTransformSet = true;
60    }
61
62    void setStops(const Vector<Gradient::ColorStop>& value)
63    {
64        m_stops = value;
65        m_stopsSet = true;
66    }
67
68    bool hasSpreadMethod() const { return m_spreadMethodSet; }
69    bool hasGradientUnits() const { return m_gradientUnitsSet; }
70    bool hasGradientTransform() const { return m_gradientTransformSet; }
71    bool hasStops() const { return m_stopsSet; }
72
73private:
74    // Properties
75    AffineTransform m_gradientTransform;
76    Vector<Gradient::ColorStop> m_stops;
77
78    unsigned m_spreadMethod : 2;
79    unsigned m_gradientUnits : 2;
80
81    // Property states
82    unsigned m_spreadMethodSet : 1;
83    unsigned m_gradientUnitsSet : 1;
84    unsigned m_gradientTransformSet : 1;
85    unsigned m_stopsSet : 1;
86};
87
88struct SameSizeAsGradientAttributes {
89    AffineTransform a;
90    Vector<Gradient::ColorStop> b;
91    unsigned c : 8;
92};
93
94COMPILE_ASSERT(sizeof(GradientAttributes) == sizeof(SameSizeAsGradientAttributes), GradientAttributes_size_guard);
95
96} // namespace WebCore
97
98#endif
99