| OLD | NEW |
|---|
| (Empty) |
| 1 /* | |
| 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #include "core/css/CSSMatrix.h" | |
| 27 | |
| 28 #include "bindings/core/v8/ExceptionState.h" | |
| 29 #include "core/CSSPropertyNames.h" | |
| 30 #include "core/CSSValueKeywords.h" | |
| 31 #include "core/css/CSSIdentifierValue.h" | |
| 32 #include "core/css/CSSToLengthConversionData.h" | |
| 33 #include "core/css/StylePropertySet.h" | |
| 34 #include "core/css/parser/CSSParser.h" | |
| 35 #include "core/css/resolver/TransformBuilder.h" | |
| 36 #include "core/dom/ExceptionCode.h" | |
| 37 #include "core/frame/UseCounter.h" | |
| 38 #include "core/layout/api/LayoutViewItem.h" | |
| 39 #include "core/style/ComputedStyle.h" | |
| 40 #include "core/style/StyleInheritedData.h" | |
| 41 #include "wtf/MathExtras.h" | |
| 42 | |
| 43 namespace blink { | |
| 44 | |
| 45 CSSMatrix* CSSMatrix::create(ExecutionContext* executionContext, | |
| 46 const String& s, | |
| 47 ExceptionState& exceptionState) { | |
| 48 UseCounter::count(executionContext, UseCounter::WebKitCSSMatrix); | |
| 49 return new CSSMatrix(s, exceptionState); | |
| 50 } | |
| 51 | |
| 52 CSSMatrix::CSSMatrix(const TransformationMatrix& m) | |
| 53 : m_matrix(TransformationMatrix::create(m)) {} | |
| 54 | |
| 55 CSSMatrix::CSSMatrix(const String& s, ExceptionState& exceptionState) | |
| 56 : m_matrix(TransformationMatrix::create()) { | |
| 57 setMatrixValue(s, exceptionState); | |
| 58 } | |
| 59 | |
| 60 static inline PassRefPtr<ComputedStyle> createInitialStyle() { | |
| 61 RefPtr<ComputedStyle> initialStyle = ComputedStyle::create(); | |
| 62 initialStyle->font().update(nullptr); | |
| 63 return initialStyle; | |
| 64 } | |
| 65 | |
| 66 void CSSMatrix::setMatrixValue(const String& string, | |
| 67 ExceptionState& exceptionState) { | |
| 68 if (string.isEmpty()) | |
| 69 return; | |
| 70 | |
| 71 if (const CSSValue* value = | |
| 72 CSSParser::parseSingleValue(CSSPropertyTransform, string)) { | |
| 73 // Check for a "none" transform. In these cases we can use the default | |
| 74 // identity matrix. | |
| 75 if (value->isIdentifierValue() && | |
| 76 (toCSSIdentifierValue(value))->getValueID() == CSSValueNone) | |
| 77 return; | |
| 78 | |
| 79 DEFINE_STATIC_REF(ComputedStyle, initialStyle, createInitialStyle()); | |
| 80 TransformOperations operations = | |
| 81 TransformBuilder::createTransformOperations( | |
| 82 *value, CSSToLengthConversionData(initialStyle, initialStyle, | |
| 83 LayoutViewItem(nullptr), 1.0f)); | |
| 84 | |
| 85 // Convert transform operations to a TransformationMatrix. This can fail | |
| 86 // if a param has a percentage ('%') | |
| 87 if (operations.dependsOnBoxSize()) | |
| 88 exceptionState.throwDOMException(SyntaxError, | |
| 89 "The transformation depends on the box " | |
| 90 "size, which is not supported."); | |
| 91 m_matrix = TransformationMatrix::create(); | |
| 92 operations.apply(FloatSize(0, 0), *m_matrix); | |
| 93 } else { // There is something there but parsing failed. | |
| 94 exceptionState.throwDOMException(SyntaxError, | |
| 95 "Failed to parse '" + string + "'."); | |
| 96 } | |
| 97 } | |
| 98 | |
| 99 // Perform a concatenation of the matrices (this * secondMatrix) | |
| 100 CSSMatrix* CSSMatrix::multiply(CSSMatrix* secondMatrix) const { | |
| 101 if (!secondMatrix) | |
| 102 return nullptr; | |
| 103 | |
| 104 return CSSMatrix::create( | |
| 105 TransformationMatrix(*m_matrix).multiply(*secondMatrix->m_matrix)); | |
| 106 } | |
| 107 | |
| 108 CSSMatrix* CSSMatrix::inverse(ExceptionState& exceptionState) const { | |
| 109 if (!m_matrix->isInvertible()) { | |
| 110 exceptionState.throwDOMException(NotSupportedError, | |
| 111 "The matrix is not invertable."); | |
| 112 return nullptr; | |
| 113 } | |
| 114 | |
| 115 return CSSMatrix::create(m_matrix->inverse()); | |
| 116 } | |
| 117 | |
| 118 CSSMatrix* CSSMatrix::translate(double x, double y, double z) const { | |
| 119 if (std::isnan(x)) | |
| 120 x = 0; | |
| 121 if (std::isnan(y)) | |
| 122 y = 0; | |
| 123 if (std::isnan(z)) | |
| 124 z = 0; | |
| 125 return CSSMatrix::create( | |
| 126 TransformationMatrix(*m_matrix).translate3d(x, y, z)); | |
| 127 } | |
| 128 | |
| 129 CSSMatrix* CSSMatrix::scale(double scaleX, double scaleY, double scaleZ) const { | |
| 130 if (std::isnan(scaleX)) | |
| 131 scaleX = 1; | |
| 132 if (std::isnan(scaleY)) | |
| 133 scaleY = scaleX; | |
| 134 if (std::isnan(scaleZ)) | |
| 135 scaleZ = 1; | |
| 136 return CSSMatrix::create( | |
| 137 TransformationMatrix(*m_matrix).scale3d(scaleX, scaleY, scaleZ)); | |
| 138 } | |
| 139 | |
| 140 CSSMatrix* CSSMatrix::rotate(double rotX, double rotY, double rotZ) const { | |
| 141 if (std::isnan(rotX)) | |
| 142 rotX = 0; | |
| 143 | |
| 144 if (std::isnan(rotY) && std::isnan(rotZ)) { | |
| 145 rotZ = rotX; | |
| 146 rotX = 0; | |
| 147 rotY = 0; | |
| 148 } | |
| 149 | |
| 150 if (std::isnan(rotY)) | |
| 151 rotY = 0; | |
| 152 if (std::isnan(rotZ)) | |
| 153 rotZ = 0; | |
| 154 return CSSMatrix::create( | |
| 155 TransformationMatrix(*m_matrix).rotate3d(rotX, rotY, rotZ)); | |
| 156 } | |
| 157 | |
| 158 CSSMatrix* CSSMatrix::rotateAxisAngle(double x, | |
| 159 double y, | |
| 160 double z, | |
| 161 double angle) const { | |
| 162 if (std::isnan(x)) | |
| 163 x = 0; | |
| 164 if (std::isnan(y)) | |
| 165 y = 0; | |
| 166 if (std::isnan(z)) | |
| 167 z = 0; | |
| 168 if (std::isnan(angle)) | |
| 169 angle = 0; | |
| 170 if (!x && !y && !z) | |
| 171 z = 1; | |
| 172 return CSSMatrix::create( | |
| 173 TransformationMatrix(*m_matrix).rotate3d(x, y, z, angle)); | |
| 174 } | |
| 175 | |
| 176 CSSMatrix* CSSMatrix::skewX(double angle) const { | |
| 177 if (std::isnan(angle)) | |
| 178 angle = 0; | |
| 179 return CSSMatrix::create(TransformationMatrix(*m_matrix).skewX(angle)); | |
| 180 } | |
| 181 | |
| 182 CSSMatrix* CSSMatrix::skewY(double angle) const { | |
| 183 if (std::isnan(angle)) | |
| 184 angle = 0; | |
| 185 return CSSMatrix::create(TransformationMatrix(*m_matrix).skewY(angle)); | |
| 186 } | |
| 187 | |
| 188 String CSSMatrix::toString() const { | |
| 189 // FIXME - Need to ensure valid CSS floating point values | |
| 190 // (https://bugs.webkit.org/show_bug.cgi?id=20674) | |
| 191 if (m_matrix->isAffine()) | |
| 192 return String::format("matrix(%f, %f, %f, %f, %f, %f)", m_matrix->a(), | |
| 193 m_matrix->b(), m_matrix->c(), m_matrix->d(), | |
| 194 m_matrix->e(), m_matrix->f()); | |
| 195 return String::format( | |
| 196 "matrix3d(%f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, " | |
| 197 "%f)", | |
| 198 m_matrix->m11(), m_matrix->m12(), m_matrix->m13(), m_matrix->m14(), | |
| 199 m_matrix->m21(), m_matrix->m22(), m_matrix->m23(), m_matrix->m24(), | |
| 200 m_matrix->m31(), m_matrix->m32(), m_matrix->m33(), m_matrix->m34(), | |
| 201 m_matrix->m41(), m_matrix->m42(), m_matrix->m43(), m_matrix->m44()); | |
| 202 } | |
| 203 | |
| 204 } // namespace blink | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2709763004:
Make WebKitCSSMatrix an alias of DOMMatrix (Closed)
