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| 1 /* | 1 /* |
| 2 * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org> | 2 * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org> |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
| (...skipping 13 matching lines...) Expand all Loading... |
| 24 */ | 24 */ |
| 25 | 25 |
| 26 #include "config.h" | 26 #include "config.h" |
| 27 #include "TransformationMatrix.h" | 27 #include "TransformationMatrix.h" |
| 28 | 28 |
| 29 #include "IntRect.h" | 29 #include "IntRect.h" |
| 30 #include "FloatRect.h" | 30 #include "FloatRect.h" |
| 31 | 31 |
| 32 namespace WebCore { | 32 namespace WebCore { |
| 33 | 33 |
| 34 TransformationMatrix::TransformationMatrix() | |
| 35 : m_transform() | |
| 36 { | |
| 37 } | |
| 38 | |
| 39 TransformationMatrix::TransformationMatrix(double a, double b, double c, double
d, double tx, double ty) | |
| 40 : m_transform(a, b, c, d, tx, ty) | |
| 41 { | |
| 42 } | |
| 43 | |
| 44 TransformationMatrix::TransformationMatrix(const PlatformTransformationMatrix& m
atrix) | |
| 45 : m_transform(matrix) | |
| 46 { | |
| 47 } | |
| 48 | |
| 49 void TransformationMatrix::setMatrix(double a, double b, double c, double d, dou
ble tx, double ty) | |
| 50 { | |
| 51 m_transform.setMatrix(a, b, c, d, tx, ty); | |
| 52 } | |
| 53 | |
| 54 void TransformationMatrix::map(double x, double y, double* x2, double* y2) const | |
| 55 { | |
| 56 qreal tx2, ty2; | |
| 57 m_transform.map(qreal(x), qreal(y), &tx2, &ty2); | |
| 58 *x2 = tx2; | |
| 59 *y2 = ty2; | |
| 60 } | |
| 61 | |
| 62 IntRect TransformationMatrix::mapRect(const IntRect& rect) const | |
| 63 { | |
| 64 return m_transform.mapRect(rect); | |
| 65 } | |
| 66 | |
| 67 FloatRect TransformationMatrix::mapRect(const FloatRect& rect) const | |
| 68 { | |
| 69 return m_transform.mapRect(rect); | |
| 70 } | |
| 71 | |
| 72 bool TransformationMatrix::isIdentity() const | |
| 73 { | |
| 74 return m_transform.isIdentity(); | |
| 75 } | |
| 76 | |
| 77 double TransformationMatrix::a() const | |
| 78 { | |
| 79 return m_transform.m11(); | |
| 80 } | |
| 81 | |
| 82 void TransformationMatrix::setA(double a) | |
| 83 { | |
| 84 m_transform.setMatrix(a, b(), c(), d(), e(), f()); | |
| 85 } | |
| 86 | |
| 87 double TransformationMatrix::b() const | |
| 88 { | |
| 89 return m_transform.m12(); | |
| 90 } | |
| 91 | |
| 92 void TransformationMatrix::setB(double b) | |
| 93 { | |
| 94 m_transform.setMatrix(a(), b, c(), d(), e(), f()); | |
| 95 } | |
| 96 | |
| 97 double TransformationMatrix::c() const | |
| 98 { | |
| 99 return m_transform.m21(); | |
| 100 } | |
| 101 | |
| 102 void TransformationMatrix::setC(double c) | |
| 103 { | |
| 104 m_transform.setMatrix(a(), b(), c, d(), e(), f()); | |
| 105 } | |
| 106 | |
| 107 double TransformationMatrix::d() const | |
| 108 { | |
| 109 return m_transform.m22(); | |
| 110 } | |
| 111 | |
| 112 void TransformationMatrix::setD(double d) | |
| 113 { | |
| 114 m_transform.setMatrix(a(), b(), c(), d, e(), f()); | |
| 115 } | |
| 116 | |
| 117 double TransformationMatrix::e() const | |
| 118 { | |
| 119 return m_transform.dx(); | |
| 120 } | |
| 121 | |
| 122 void TransformationMatrix::setE(double e) | |
| 123 { | |
| 124 m_transform.setMatrix(a(), b(), c(), d(), e, f()); | |
| 125 } | |
| 126 | |
| 127 double TransformationMatrix::f() const | |
| 128 { | |
| 129 return m_transform.dy(); | |
| 130 } | |
| 131 | |
| 132 void TransformationMatrix::setF(double f) | |
| 133 { | |
| 134 m_transform.setMatrix(a(), b(), c(), d(), e(), f); | |
| 135 } | |
| 136 | |
| 137 void TransformationMatrix::reset() | |
| 138 { | |
| 139 m_transform.reset(); | |
| 140 } | |
| 141 | |
| 142 TransformationMatrix& TransformationMatrix::scale(double sx, double sy) | |
| 143 { | |
| 144 m_transform.scale(sx, sy); | |
| 145 return *this; | |
| 146 } | |
| 147 | |
| 148 TransformationMatrix& TransformationMatrix::rotate(double d) | |
| 149 { | |
| 150 m_transform.rotate(d); | |
| 151 return *this; | |
| 152 } | |
| 153 | |
| 154 TransformationMatrix& TransformationMatrix::translate(double tx, double ty) | |
| 155 { | |
| 156 m_transform.translate(tx, ty); | |
| 157 return *this; | |
| 158 } | |
| 159 | |
| 160 TransformationMatrix& TransformationMatrix::shear(double sx, double sy) | |
| 161 { | |
| 162 m_transform.shear(sx, sy); | |
| 163 return *this; | |
| 164 } | |
| 165 | |
| 166 double TransformationMatrix::det() const | |
| 167 { | |
| 168 return m_transform.det(); | |
| 169 } | |
| 170 | |
| 171 TransformationMatrix TransformationMatrix::inverse() const | |
| 172 { | |
| 173 if(!isInvertible()) | |
| 174 return TransformationMatrix(); | |
| 175 | |
| 176 return m_transform.inverted(); | |
| 177 } | |
| 178 | |
| 179 TransformationMatrix::operator QMatrix() const | 34 TransformationMatrix::operator QMatrix() const |
| 180 { | 35 { |
| 181 return m_transform; | 36 return QMatrix(a(), b(), c(), d(), e(), f()); |
| 182 } | |
| 183 | |
| 184 bool TransformationMatrix::operator==(const TransformationMatrix& other) const | |
| 185 { | |
| 186 return m_transform == other.m_transform; | |
| 187 } | |
| 188 | |
| 189 TransformationMatrix& TransformationMatrix::operator*=(const TransformationMatri
x& other) | |
| 190 { | |
| 191 m_transform *= other.m_transform; | |
| 192 return *this; | |
| 193 } | |
| 194 | |
| 195 TransformationMatrix TransformationMatrix::operator*(const TransformationMatrix&
other) | |
| 196 { | |
| 197 return m_transform * other.m_transform; | |
| 198 } | 37 } |
| 199 | 38 |
| 200 } | 39 } |
| 201 | 40 |
| 202 // vim: ts=4 sw=4 et | 41 // vim: ts=4 sw=4 et |
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