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Side by Side Diff: third_party/WebKit/Source/core/css/CSSMatrix.h

Issue 2392343005: Reflow comments in core/css (Closed)
Patch Set: Revert clang-format Created 4 years, 2 months ago
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1 /* 1 /*
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
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
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92 void setM41(double f) { m_matrix->setM41(f); } 92 void setM41(double f) { m_matrix->setM41(f); }
93 void setM42(double f) { m_matrix->setM42(f); } 93 void setM42(double f) { m_matrix->setM42(f); }
94 void setM43(double f) { m_matrix->setM43(f); } 94 void setM43(double f) { m_matrix->setM43(f); }
95 void setM44(double f) { m_matrix->setM44(f); } 95 void setM44(double f) { m_matrix->setM44(f); }
96 96
97 void setMatrixValue(const String&, ExceptionState&); 97 void setMatrixValue(const String&, ExceptionState&);
98 98
99 // The following math function return a new matrix with the 99 // The following math function return a new matrix with the
100 // specified operation applied. The this value is not modified. 100 // specified operation applied. The this value is not modified.
101 101
102 // Multiply this matrix by secondMatrix, on the right (result = this * secondM atrix) 102 // Multiply this matrix by secondMatrix, on the right
103 // (result = this * secondMatrix)
103 CSSMatrix* multiply(CSSMatrix* secondMatrix) const; 104 CSSMatrix* multiply(CSSMatrix* secondMatrix) const;
104 105
105 // Return the inverse of this matrix. Throw an exception if the matrix is not invertible 106 // Return the inverse of this matrix. Throw an exception if the matrix is not
107 // invertible.
106 CSSMatrix* inverse(ExceptionState&) const; 108 CSSMatrix* inverse(ExceptionState&) const;
107 109
108 // Return this matrix translated by the passed values. 110 // Return this matrix translated by the passed values.
109 // Passing a NaN will use a value of 0. This allows the 3D form to used for 2D operations 111 // Passing a NaN will use a value of 0. This allows the 3D form to used for 2D
110 // Operation is performed as though the this matrix is multiplied by a matrix with 112 // operations.
111 // the translation values on the left (result = translation(x,y,z) * this) 113 // Operation is performed as though the this matrix is multiplied by a matrix
114 // with the translation values on the left
115 // (result = translation(x,y,z) * this)
112 CSSMatrix* translate(double x, double y, double z) const; 116 CSSMatrix* translate(double x, double y, double z) const;
113 117
114 // Returns this matrix scaled by the passed values. 118 // Returns this matrix scaled by the passed values.
115 // Passing scaleX or scaleZ as NaN uses a value of 1, but passing scaleY of Na N 119 // Passing scaleX or scaleZ as NaN uses a value of 1, but passing scaleY of
116 // makes it the same as scaleX. This allows the 3D form to used for 2D operati ons 120 // NaN makes it the same as scaleX. This allows the 3D form to used for 2D
117 // Operation is performed as though the this matrix is multiplied by a matrix with 121 // operations Operation is performed as though the this matrix is multiplied
118 // the scale values on the left (result = scale(x,y,z) * this) 122 // by a matrix with the scale values on the left
123 // (result = scale(x,y,z) * this)
119 CSSMatrix* scale(double scaleX, double scaleY, double scaleZ) const; 124 CSSMatrix* scale(double scaleX, double scaleY, double scaleZ) const;
120 125
121 // Returns this matrix rotated by the passed values. 126 // Returns this matrix rotated by the passed values.
122 // If rotY and rotZ are NaN, rotate about Z (rotX=0, rotateY=0, rotateZ=rotX). 127 // If rotY and rotZ are NaN, rotate about Z (rotX=0, rotateY=0, rotateZ=rotX).
123 // Otherwise use a rotation value of 0 for any passed NaN. 128 // Otherwise use a rotation value of 0 for any passed NaN.
124 // Operation is performed as though the this matrix is multiplied by a matrix with 129 // Operation is performed as though the this matrix is multiplied by a matrix
125 // the rotation values on the left (result = rotation(x,y,z) * this) 130 // with the rotation values on the left (result = rotation(x,y,z) * this)
126 CSSMatrix* rotate(double rotX, double rotY, double rotZ) const; 131 CSSMatrix* rotate(double rotX, double rotY, double rotZ) const;
127 132
128 // Returns this matrix rotated about the passed axis by the passed angle. 133 // Returns this matrix rotated about the passed axis by the passed angle.
129 // Passing a NaN will use a value of 0. If the axis is (0,0,0) use a value 134 // Passing a NaN will use a value of 0. If the axis is (0,0,0) use a value
130 // Operation is performed as though the this matrix is multiplied by a matrix with 135 // Operation is performed as though the this matrix is multiplied by a matrix
131 // the rotation values on the left (result = rotation(x,y,z,angle) * this) 136 // with the rotation values on the left
137 // (result = rotation(x,y,z,angle) * this)
132 CSSMatrix* rotateAxisAngle(double x, double y, double z, double angle) const; 138 CSSMatrix* rotateAxisAngle(double x, double y, double z, double angle) const;
133 139
134 // Return this matrix skewed along the X axis by the passed values. 140 // Return this matrix skewed along the X axis by the passed values.
135 // Passing a NaN will use a value of 0. 141 // Passing a NaN will use a value of 0.
136 // Operation is performed as though the this matrix is multiplied by a matrix with 142 // Operation is performed as though the this matrix is multiplied by a matrix
137 // the skew values on the left (result = skewX(angle) * this) 143 // with the skew values on the left (result = skewX(angle) * this)
138 CSSMatrix* skewX(double angle) const; 144 CSSMatrix* skewX(double angle) const;
139 145
140 // Return this matrix skewed along the Y axis by the passed values. 146 // Return this matrix skewed along the Y axis by the passed values.
141 // Passing a NaN will use a value of 0. 147 // Passing a NaN will use a value of 0.
142 // Operation is performed as though the this matrix is multiplied by a matrix with 148 // Operation is performed as though the this matrix is multiplied by a matrix
143 // the skew values on the left (result = skewY(angle) * this) 149 // with the skew values on the left (result = skewY(angle) * this)
144 CSSMatrix* skewY(double angle) const; 150 CSSMatrix* skewY(double angle) const;
145 151
146 const TransformationMatrix& transform() const { return *m_matrix; } 152 const TransformationMatrix& transform() const { return *m_matrix; }
147 153
148 String toString() const; 154 String toString() const;
149 155
150 DEFINE_INLINE_TRACE() {} 156 DEFINE_INLINE_TRACE() {}
151 157
152 protected: 158 protected:
153 CSSMatrix(const TransformationMatrix&); 159 CSSMatrix(const TransformationMatrix&);
154 CSSMatrix(const String&, ExceptionState&); 160 CSSMatrix(const String&, ExceptionState&);
155 161
156 // TransformationMatrix needs to be 16-byte aligned. PartitionAlloc 162 // TransformationMatrix needs to be 16-byte aligned. PartitionAlloc
157 // supports 16-byte alignment but Oilpan doesn't. So we use an std::unique_ptr 163 // supports 16-byte alignment but Oilpan doesn't. So we use an std::unique_ptr
158 // to allocate TransformationMatrix on PartitionAlloc. 164 // to allocate TransformationMatrix on PartitionAlloc.
159 // TODO(oilpan): Oilpan should support 16-byte aligned allocations. 165 // TODO(oilpan): Oilpan should support 16-byte aligned allocations.
160 std::unique_ptr<TransformationMatrix> m_matrix; 166 std::unique_ptr<TransformationMatrix> m_matrix;
161 }; 167 };
162 168
163 } // namespace blink 169 } // namespace blink
164 170
165 #endif // CSSMatrix_h 171 #endif // CSSMatrix_h
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