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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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| 63 // Convert to TransformOperations. This can fail if a property | 63 // Convert to TransformOperations. This can fail if a property |
| 64 // requires style (i.e., param uses 'ems' or 'exs') | 64 // requires style (i.e., param uses 'ems' or 'exs') |
| 65 RefPtr<CSSValue> value = styleDeclaration->getPropertyCSSValue(CSSProper
tyWebkitTransform); | 65 RefPtr<CSSValue> value = styleDeclaration->getPropertyCSSValue(CSSProper
tyWebkitTransform); |
| 66 | 66 |
| 67 // Check for a "none" or empty transform. In these cases we can use the
default identity matrix. | 67 // Check for a "none" or empty transform. In these cases we can use the
default identity matrix. |
| 68 if (!value || (value->isPrimitiveValue() && (toCSSPrimitiveValue(value.g
et()))->getValueID() == CSSValueNone)) | 68 if (!value || (value->isPrimitiveValue() && (toCSSPrimitiveValue(value.g
et()))->getValueID() == CSSValueNone)) |
| 69 return; | 69 return; |
| 70 | 70 |
| 71 TransformOperations operations; | 71 TransformOperations operations; |
| 72 if (!TransformBuilder::createTransformOperations(value.get(), 0, 0, oper
ations)) { | 72 if (!TransformBuilder::createTransformOperations(value.get(), 0, 0, oper
ations)) { |
| 73 es.throwDOMException(SyntaxError); | 73 es.throwUninformativeAndGenericDOMException(SyntaxError); |
| 74 return; | 74 return; |
| 75 } | 75 } |
| 76 | 76 |
| 77 // Convert transform operations to a TransformationMatrix. This can fail | 77 // Convert transform operations to a TransformationMatrix. This can fail |
| 78 // if a param has a percentage ('%') | 78 // if a param has a percentage ('%') |
| 79 TransformationMatrix t; | 79 TransformationMatrix t; |
| 80 for (unsigned i = 0; i < operations.operations().size(); ++i) { | 80 for (unsigned i = 0; i < operations.operations().size(); ++i) { |
| 81 if (operations.operations()[i].get()->apply(t, IntSize(0, 0))) { | 81 if (operations.operations()[i].get()->apply(t, IntSize(0, 0))) { |
| 82 es.throwDOMException(SyntaxError); | 82 es.throwUninformativeAndGenericDOMException(SyntaxError); |
| 83 return; | 83 return; |
| 84 } | 84 } |
| 85 } | 85 } |
| 86 | 86 |
| 87 // set the matrix | 87 // set the matrix |
| 88 m_matrix = t; | 88 m_matrix = t; |
| 89 } else { // There is something there but parsing failed. | 89 } else { // There is something there but parsing failed. |
| 90 es.throwDOMException(SyntaxError); | 90 es.throwUninformativeAndGenericDOMException(SyntaxError); |
| 91 } | 91 } |
| 92 } | 92 } |
| 93 | 93 |
| 94 // Perform a concatenation of the matrices (this * secondMatrix) | 94 // Perform a concatenation of the matrices (this * secondMatrix) |
| 95 PassRefPtr<CSSMatrix> CSSMatrix::multiply(CSSMatrix* secondMatrix) const | 95 PassRefPtr<CSSMatrix> CSSMatrix::multiply(CSSMatrix* secondMatrix) const |
| 96 { | 96 { |
| 97 if (!secondMatrix) | 97 if (!secondMatrix) |
| 98 return 0; | 98 return 0; |
| 99 | 99 |
| 100 return CSSMatrix::create(TransformationMatrix(m_matrix).multiply(secondMatri
x->m_matrix)); | 100 return CSSMatrix::create(TransformationMatrix(m_matrix).multiply(secondMatri
x->m_matrix)); |
| 101 } | 101 } |
| 102 | 102 |
| 103 PassRefPtr<CSSMatrix> CSSMatrix::inverse(ExceptionState& es) const | 103 PassRefPtr<CSSMatrix> CSSMatrix::inverse(ExceptionState& es) const |
| 104 { | 104 { |
| 105 if (!m_matrix.isInvertible()) { | 105 if (!m_matrix.isInvertible()) { |
| 106 es.throwDOMException(NotSupportedError); | 106 es.throwUninformativeAndGenericDOMException(NotSupportedError); |
| 107 return 0; | 107 return 0; |
| 108 } | 108 } |
| 109 | 109 |
| 110 return CSSMatrix::create(m_matrix.inverse()); | 110 return CSSMatrix::create(m_matrix.inverse()); |
| 111 } | 111 } |
| 112 | 112 |
| 113 PassRefPtr<CSSMatrix> CSSMatrix::translate(double x, double y, double z) const | 113 PassRefPtr<CSSMatrix> CSSMatrix::translate(double x, double y, double z) const |
| 114 { | 114 { |
| 115 if (std::isnan(x)) | 115 if (std::isnan(x)) |
| 116 x = 0; | 116 x = 0; |
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| 185 if (m_matrix.isAffine()) | 185 if (m_matrix.isAffine()) |
| 186 return String::format("matrix(%f, %f, %f, %f, %f, %f)", m_matrix.a(), m_
matrix.b(), m_matrix.c(), m_matrix.d(), m_matrix.e(), m_matrix.f()); | 186 return String::format("matrix(%f, %f, %f, %f, %f, %f)", m_matrix.a(), m_
matrix.b(), m_matrix.c(), m_matrix.d(), m_matrix.e(), m_matrix.f()); |
| 187 return String::format("matrix3d(%f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f,
%f, %f, %f, %f, %f)", | 187 return String::format("matrix3d(%f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f,
%f, %f, %f, %f, %f)", |
| 188 m_matrix.m11(), m_matrix.m12(), m_matrix.m13(), m_matrix.m14(), | 188 m_matrix.m11(), m_matrix.m12(), m_matrix.m13(), m_matrix.m14(), |
| 189 m_matrix.m21(), m_matrix.m22(), m_matrix.m23(), m_matrix.m24(), | 189 m_matrix.m21(), m_matrix.m22(), m_matrix.m23(), m_matrix.m24(), |
| 190 m_matrix.m31(), m_matrix.m32(), m_matrix.m33(), m_matrix.m34(), | 190 m_matrix.m31(), m_matrix.m32(), m_matrix.m33(), m_matrix.m34(), |
| 191 m_matrix.m41(), m_matrix.m42(), m_matrix.m43(), m_matrix.m44()); | 191 m_matrix.m41(), m_matrix.m42(), m_matrix.m43(), m_matrix.m44()); |
| 192 } | 192 } |
| 193 | 193 |
| 194 } // namespace WebCore | 194 } // namespace WebCore |
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