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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "core/dom/DOMMatrix.h" |
| 6 |
| 7 namespace blink { |
| 8 |
| 9 DOMMatrix* DOMMatrix::create(ExceptionState& exceptionState) { |
| 10 return new DOMMatrix(TransformationMatrix()); |
| 11 } |
| 12 |
| 13 DOMMatrix* DOMMatrix::create(DOMMatrixReadOnly* other, |
| 14 ExceptionState& exceptionState) { |
| 15 return new DOMMatrix(other->matrix(), other->is2D()); |
| 16 } |
| 17 |
| 18 DOMMatrix* DOMMatrix::create(const SkMatrix44& matrix, |
| 19 ExceptionState& exceptionState) { |
| 20 TransformationMatrix transformationMatrix(matrix); |
| 21 return new DOMMatrix(transformationMatrix, transformationMatrix.isAffine()); |
| 22 } |
| 23 |
| 24 DOMMatrix* DOMMatrix::create(const String& transformList, |
| 25 ExceptionState& exceptionState) { |
| 26 DOMMatrix* matrix = new DOMMatrix(TransformationMatrix()); |
| 27 matrix->setMatrixValueFromString(transformList, exceptionState); |
| 28 return matrix; |
| 29 } |
| 30 |
| 31 DOMMatrix* DOMMatrix::create(Vector<double> sequence, |
| 32 ExceptionState& exceptionState) { |
| 33 if (sequence.size() != 6 && sequence.size() != 16) { |
| 34 exceptionState.throwTypeError( |
| 35 "The sequence must contain 6 elements for a 2D matrix or 16 elements " |
| 36 "for a 3D matrix."); |
| 37 return nullptr; |
| 38 } |
| 39 return new DOMMatrix(sequence, sequence.size()); |
| 40 } |
| 41 |
| 42 DOMMatrix* DOMMatrix::fromFloat32Array(DOMFloat32Array* float32Array, |
| 43 ExceptionState& exceptionState) { |
| 44 if (float32Array->length() != 6 && float32Array->length() != 16) { |
| 45 exceptionState.throwTypeError( |
| 46 "The sequence must contain 6 elements for a 2D matrix or 16 elements " |
| 47 "for a 3D matrix."); |
| 48 return nullptr; |
| 49 } |
| 50 return new DOMMatrix(float32Array->data(), float32Array->length()); |
| 51 } |
| 52 |
| 53 DOMMatrix* DOMMatrix::fromFloat64Array(DOMFloat64Array* float64Array, |
| 54 ExceptionState& exceptionState) { |
| 55 if (float64Array->length() != 6 && float64Array->length() != 16) { |
| 56 exceptionState.throwTypeError( |
| 57 "The sequence must contain 6 elements for a 2D matrix or 16 elements " |
| 58 "for a 3D matrix."); |
| 59 return nullptr; |
| 60 } |
| 61 return new DOMMatrix(float64Array->data(), float64Array->length()); |
| 62 } |
| 63 |
| 64 template <typename T> |
| 65 DOMMatrix::DOMMatrix(T sequence, int size) |
| 66 : DOMMatrixReadOnly(sequence, size) {} |
| 67 |
| 68 DOMMatrix::DOMMatrix(const TransformationMatrix& matrix, bool is2D) |
| 69 : DOMMatrixReadOnly(matrix, is2D) {} |
| 70 |
| 71 DOMMatrix* DOMMatrix::fromMatrix(DOMMatrixInit& other, |
| 72 ExceptionState& exceptionState) { |
| 73 if (!validateAndFixup(other, exceptionState)) { |
| 74 DCHECK(exceptionState.hadException()); |
| 75 return nullptr; |
| 76 } |
| 77 if (other.is2D()) { |
| 78 return new DOMMatrix({other.m11(), other.m12(), other.m21(), other.m22(), |
| 79 other.m41(), other.m42()}, |
| 80 other.is2D()); |
| 81 } |
| 82 |
| 83 return new DOMMatrix({other.m11(), other.m12(), other.m13(), other.m14(), |
| 84 other.m21(), other.m22(), other.m23(), other.m24(), |
| 85 other.m31(), other.m32(), other.m33(), other.m34(), |
| 86 other.m41(), other.m42(), other.m43(), other.m44()}, |
| 87 other.is2D()); |
| 88 } |
| 89 |
| 90 void DOMMatrix::setIs2D(bool value) { |
| 91 if (m_is2D) |
| 92 m_is2D = value; |
| 93 } |
| 94 |
| 95 void DOMMatrix::setNAN() { |
| 96 m_matrix->setM11(NAN); |
| 97 m_matrix->setM12(NAN); |
| 98 m_matrix->setM13(NAN); |
| 99 m_matrix->setM14(NAN); |
| 100 m_matrix->setM21(NAN); |
| 101 m_matrix->setM22(NAN); |
| 102 m_matrix->setM23(NAN); |
| 103 m_matrix->setM24(NAN); |
| 104 m_matrix->setM31(NAN); |
| 105 m_matrix->setM32(NAN); |
| 106 m_matrix->setM33(NAN); |
| 107 m_matrix->setM34(NAN); |
| 108 m_matrix->setM41(NAN); |
| 109 m_matrix->setM42(NAN); |
| 110 m_matrix->setM43(NAN); |
| 111 m_matrix->setM44(NAN); |
| 112 } |
| 113 |
| 114 DOMMatrix* DOMMatrix::multiplySelf(DOMMatrixInit& other, |
| 115 ExceptionState& exceptionState) { |
| 116 DOMMatrix* otherMatrix = DOMMatrix::fromMatrix(other, exceptionState); |
| 117 if (!otherMatrix) { |
| 118 DCHECK(exceptionState.hadException()); |
| 119 return nullptr; |
| 120 } |
| 121 if (!otherMatrix->is2D()) |
| 122 m_is2D = false; |
| 123 |
| 124 *m_matrix *= otherMatrix->matrix(); |
| 125 |
| 126 return this; |
| 127 } |
| 128 |
| 129 DOMMatrix* DOMMatrix::preMultiplySelf(DOMMatrixInit& other, |
| 130 ExceptionState& exceptionState) { |
| 131 DOMMatrix* otherMatrix = DOMMatrix::fromMatrix(other, exceptionState); |
| 132 if (!otherMatrix) { |
| 133 DCHECK(exceptionState.hadException()); |
| 134 return nullptr; |
| 135 } |
| 136 if (!otherMatrix->is2D()) |
| 137 m_is2D = false; |
| 138 |
| 139 TransformationMatrix& matrix = *m_matrix; |
| 140 *m_matrix = otherMatrix->matrix() * matrix; |
| 141 |
| 142 return this; |
| 143 } |
| 144 |
| 145 DOMMatrix* DOMMatrix::translateSelf(double tx, double ty, double tz) { |
| 146 if (!tx && !ty && !tz) |
| 147 return this; |
| 148 |
| 149 if (tz) |
| 150 m_is2D = false; |
| 151 |
| 152 if (m_is2D) |
| 153 m_matrix->translate(tx, ty); |
| 154 else |
| 155 m_matrix->translate3d(tx, ty, tz); |
| 156 |
| 157 return this; |
| 158 } |
| 159 |
| 160 DOMMatrix* DOMMatrix::scaleSelf(double sx) { |
| 161 return scaleSelf(sx, sx); |
| 162 } |
| 163 |
| 164 DOMMatrix* DOMMatrix::scaleSelf(double sx, |
| 165 double sy, |
| 166 double sz, |
| 167 double ox, |
| 168 double oy, |
| 169 double oz) { |
| 170 if (sz != 1 || oz) |
| 171 m_is2D = false; |
| 172 |
| 173 if (sx == 1 && sy == 1 && sz == 1) |
| 174 return this; |
| 175 |
| 176 bool hasTranslation = (ox || oy || oz); |
| 177 |
| 178 if (hasTranslation) |
| 179 translateSelf(ox, oy, oz); |
| 180 |
| 181 if (m_is2D) |
| 182 m_matrix->scaleNonUniform(sx, sy); |
| 183 else |
| 184 m_matrix->scale3d(sx, sy, sz); |
| 185 |
| 186 if (hasTranslation) |
| 187 translateSelf(-ox, -oy, -oz); |
| 188 |
| 189 return this; |
| 190 } |
| 191 |
| 192 DOMMatrix* DOMMatrix::scale3dSelf(double scale, |
| 193 double ox, |
| 194 double oy, |
| 195 double oz) { |
| 196 return scaleSelf(scale, scale, scale, ox, oy, oz); |
| 197 } |
| 198 |
| 199 DOMMatrix* DOMMatrix::rotateSelf(double rotX) { |
| 200 return rotateSelf(0, 0, rotX); |
| 201 } |
| 202 |
| 203 DOMMatrix* DOMMatrix::rotateSelf(double rotX, double rotY) { |
| 204 return rotateSelf(rotX, rotY, 0); |
| 205 } |
| 206 |
| 207 DOMMatrix* DOMMatrix::rotateSelf(double rotX, double rotY, double rotZ) { |
| 208 if (rotZ) |
| 209 m_matrix->rotate3d(0, 0, 1, rotZ); |
| 210 |
| 211 if (rotY) { |
| 212 m_matrix->rotate3d(0, 1, 0, rotY); |
| 213 m_is2D = false; |
| 214 } |
| 215 |
| 216 if (rotX) { |
| 217 m_matrix->rotate3d(1, 0, 0, rotX); |
| 218 m_is2D = false; |
| 219 } |
| 220 |
| 221 return this; |
| 222 } |
| 223 |
| 224 DOMMatrix* DOMMatrix::rotateFromVectorSelf(double x, double y) { |
| 225 m_matrix->rotate(rad2deg(atan2(y, x))); |
| 226 return this; |
| 227 } |
| 228 |
| 229 DOMMatrix* DOMMatrix::rotateAxisAngleSelf(double x, |
| 230 double y, |
| 231 double z, |
| 232 double angle) { |
| 233 m_matrix->rotate3d(x, y, z, angle); |
| 234 |
| 235 if (x != 0 || y != 0) |
| 236 m_is2D = false; |
| 237 |
| 238 return this; |
| 239 } |
| 240 |
| 241 DOMMatrix* DOMMatrix::skewXSelf(double sx) { |
| 242 m_matrix->skewX(sx); |
| 243 return this; |
| 244 } |
| 245 |
| 246 DOMMatrix* DOMMatrix::skewYSelf(double sy) { |
| 247 m_matrix->skewY(sy); |
| 248 return this; |
| 249 } |
| 250 |
| 251 DOMMatrix* DOMMatrix::invertSelf() { |
| 252 if (m_matrix->isInvertible()) { |
| 253 m_matrix = TransformationMatrix::create(m_matrix->inverse()); |
| 254 } else { |
| 255 setNAN(); |
| 256 setIs2D(false); |
| 257 } |
| 258 return this; |
| 259 } |
| 260 |
| 261 DOMMatrix* DOMMatrix::setMatrixValue(const String& inputString, |
| 262 ExceptionState& exceptionState) { |
| 263 setMatrixValueFromString(inputString, exceptionState); |
| 264 return this; |
| 265 } |
| 266 |
| 267 } // namespace blink |
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