File: SVGMatrixValue.h

package info (click to toggle)
webkit2gtk 2.18.6-1~deb9u1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 159,080 kB
  • sloc: cpp: 1,636,147; ansic: 45,350; python: 14,988; perl: 13,794; ruby: 9,803; xml: 9,342; asm: 5,312; yacc: 2,167; lex: 1,007; sh: 773; makefile: 61
file content (124 lines) | stat: -rw-r--r-- 3,306 bytes parent folder | download | duplicates (2)
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
/*
 * 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.
 */

#pragma once

#include "AffineTransform.h"
#include "ExceptionOr.h"

namespace WebCore {

class SVGMatrixValue final : public AffineTransform {
public:
    SVGMatrixValue() = default;

    SVGMatrixValue(const AffineTransform& other)
        : AffineTransform(other)
    {
    }

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

    SVGMatrixValue translate(double tx, double ty)
    {
        AffineTransform copy { *this };
        copy.translate(tx, ty);
        return SVGMatrixValue { copy };
    }

    SVGMatrixValue scale(double s)
    {
        AffineTransform copy { *this };
        copy.scale(s, s);
        return SVGMatrixValue { copy };
    }

    SVGMatrixValue scaleNonUniform(double sx, double sy)
    {
        AffineTransform copy { *this };
        copy.scale(sx, sy);
        return SVGMatrixValue { copy };
    }

    SVGMatrixValue rotate(double d)
    {
        AffineTransform copy { *this };
        copy.rotate(d);
        return SVGMatrixValue { copy };
    }

    SVGMatrixValue flipX()
    {
        AffineTransform copy { *this };
        copy.flipX();
        return SVGMatrixValue { copy };
    }

    SVGMatrixValue flipY()
    {
        AffineTransform copy { *this };
        copy.flipY();
        return SVGMatrixValue { copy };
    }

    SVGMatrixValue skewX(double angle)
    {
        AffineTransform copy { *this };
        copy.skewX(angle);
        return SVGMatrixValue { copy };
    }

    SVGMatrixValue skewY(double angle)
    {
        AffineTransform copy { *this };
        copy.skewY(angle);
        return SVGMatrixValue { copy };
    }

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

    ExceptionOr<SVGMatrixValue> inverse() const
    {
        if (auto inverse = AffineTransform::inverse())
            return SVGMatrixValue { inverse.value() };
        
        return Exception { InvalidStateError, ASCIILiteral("Matrix is not invertible") };
    }

    ExceptionOr<SVGMatrixValue> rotateFromVector(double x, double y)
    {
        if (!x || !y)
            return Exception { TypeError };

        AffineTransform copy { *this };
        copy.rotateFromVector(x, y);
        return SVGMatrixValue { copy };
    }

};

} // namespace WebCore