summaryrefslogtreecommitdiffstats
path: root/Source/WebCore/svg/SVGMatrix.h
blob: 077eb038348664874f7bc5bc30abae33c2f6cc78 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/*
 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifndef SVGMatrix_h
#define SVGMatrix_h

#if ENABLE(SVG)
#include "AffineTransform.h"
#include "SVGException.h"

namespace WebCore {

// Only used in the bindings.
class SVGMatrix : public AffineTransform {
public:
    SVGMatrix() { }
    SVGMatrix(const AffineTransform& other)
        : AffineTransform(other)
    {
    }

    SVGMatrix(double a, double b, double c, double d, double e, double f)
        : AffineTransform(a, b, c, d, e, f)
    {
    }

    SVGMatrix translate(double tx, double ty)
    {
        AffineTransform copy = *this;
        copy.translate(tx, ty);
        return static_cast<SVGMatrix>(copy);
    }

    SVGMatrix scale(double s)
    {
        AffineTransform copy = *this;
        copy.scale(s, s);
        return static_cast<SVGMatrix>(copy);
    }

    SVGMatrix scaleNonUniform(double sx, double sy)
    {
        AffineTransform copy = *this;
        copy.scale(sx, sy);
        return static_cast<SVGMatrix>(copy);
    }

    SVGMatrix rotate(double d)
    {
        AffineTransform copy = *this;
        copy.rotate(d);
        return static_cast<SVGMatrix>(copy);
    }

    SVGMatrix flipX()
    {
        AffineTransform copy = *this;
        copy.flipX();
        return static_cast<SVGMatrix>(copy);
    }

    SVGMatrix flipY()
    {
        AffineTransform copy = *this;
        copy.flipY();
        return static_cast<SVGMatrix>(copy);
    }

    SVGMatrix skewX(double angle)
    {
        AffineTransform copy = *this;
        copy.skewX(angle);
        return static_cast<SVGMatrix>(copy);
    }

    SVGMatrix skewY(double angle)
    {
        AffineTransform copy = *this;
        copy.skewY(angle);
        return static_cast<SVGMatrix>(copy);
    }

    SVGMatrix multiply(const SVGMatrix& other)
    {
        AffineTransform copy = *this;
        copy *= static_cast<const AffineTransform&>(other);
        return static_cast<SVGMatrix>(copy);
    }

    SVGMatrix inverse(ExceptionCode& ec) const
    {
        AffineTransform transform = AffineTransform::inverse();
        if (!isInvertible())
            ec = SVGException::SVG_MATRIX_NOT_INVERTABLE;

        return transform;
    }

    SVGMatrix rotateFromVector(double x, double y, ExceptionCode& ec)
    {
        if (!x || !y)
            ec = SVGException::SVG_INVALID_VALUE_ERR;

        AffineTransform copy = *this;
        copy.rotateFromVector(x, y);
        return static_cast<SVGMatrix>(copy);
    }

};

} // namespace WebCore

#endif // ENABLE(SVG)
#endif