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1 // Copyright 2016 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/css/cssom/CSSMatrixTransformComponent.h" | |
6 | |
7 #include "core/css/CSSPrimitiveValue.h" | |
8 #include "wtf/MathExtras.h" | |
9 #include <cmath> | |
10 #include <memory> | |
11 | |
12 namespace blink { | |
13 | |
14 CSSFunctionValue* CSSMatrixTransformComponent::toCSSValue() const { | |
15 CSSFunctionValue* result = | |
16 CSSFunctionValue::create(m_is2D ? CSSValueMatrix : CSSValueMatrix3d); | |
17 | |
18 if (m_is2D) { | |
19 double values[6] = {a(), b(), c(), d(), e(), f()}; | |
20 for (double value : values) { | |
21 result->append(*CSSPrimitiveValue::create( | |
22 value, CSSPrimitiveValue::UnitType::Number)); | |
23 } | |
24 } else { | |
25 double values[16] = {m11(), m12(), m13(), m14(), m21(), m22(), | |
26 m23(), m24(), m31(), m32(), m33(), m34(), | |
27 m41(), m42(), m43(), m44()}; | |
28 for (double value : values) { | |
29 result->append(*CSSPrimitiveValue::create( | |
30 value, CSSPrimitiveValue::UnitType::Number)); | |
31 } | |
32 } | |
33 | |
34 return result; | |
35 } | |
36 | |
37 CSSMatrixTransformComponent* CSSMatrixTransformComponent::perspective( | |
38 double length) { | |
39 std::unique_ptr<TransformationMatrix> matrix = TransformationMatrix::create(); | |
40 if (length != 0) | |
41 matrix->setM34(-1 / length); | |
42 return new CSSMatrixTransformComponent(std::move(matrix), PerspectiveType); | |
43 } | |
44 | |
45 CSSMatrixTransformComponent* CSSMatrixTransformComponent::rotate(double angle) { | |
46 std::unique_ptr<TransformationMatrix> matrix = TransformationMatrix::create(); | |
47 matrix->rotate(angle); | |
48 return new CSSMatrixTransformComponent(std::move(matrix), RotationType); | |
49 } | |
50 | |
51 CSSMatrixTransformComponent* CSSMatrixTransformComponent::rotate3d(double angle, | |
52 double x, | |
53 double y, | |
54 double z) { | |
55 std::unique_ptr<TransformationMatrix> matrix = TransformationMatrix::create(); | |
56 matrix->rotate3d(x, y, z, angle); | |
57 return new CSSMatrixTransformComponent(std::move(matrix), Rotation3DType); | |
58 } | |
59 | |
60 CSSMatrixTransformComponent* CSSMatrixTransformComponent::scale(double x, | |
61 double y) { | |
62 std::unique_ptr<TransformationMatrix> matrix = TransformationMatrix::create(); | |
63 matrix->setM11(x); | |
64 matrix->setM22(y); | |
65 return new CSSMatrixTransformComponent(std::move(matrix), ScaleType); | |
66 } | |
67 | |
68 CSSMatrixTransformComponent* CSSMatrixTransformComponent::scale3d(double x, | |
69 double y, | |
70 double z) { | |
71 std::unique_ptr<TransformationMatrix> matrix = TransformationMatrix::create(); | |
72 matrix->setM11(x); | |
73 matrix->setM22(y); | |
74 matrix->setM33(z); | |
75 return new CSSMatrixTransformComponent(std::move(matrix), Scale3DType); | |
76 } | |
77 | |
78 CSSMatrixTransformComponent* CSSMatrixTransformComponent::skew(double ax, | |
79 double ay) { | |
80 double tanAx = std::tan(deg2rad(ax)); | |
81 double tanAy = std::tan(deg2rad(ay)); | |
82 | |
83 std::unique_ptr<TransformationMatrix> matrix = TransformationMatrix::create(); | |
84 matrix->setM12(tanAy); | |
85 matrix->setM21(tanAx); | |
86 return new CSSMatrixTransformComponent(std::move(matrix), SkewType); | |
87 } | |
88 | |
89 CSSMatrixTransformComponent* CSSMatrixTransformComponent::translate(double x, | |
90 double y) { | |
91 std::unique_ptr<TransformationMatrix> matrix = TransformationMatrix::create(); | |
92 matrix->setM41(x); | |
93 matrix->setM42(y); | |
94 return new CSSMatrixTransformComponent(std::move(matrix), TranslationType); | |
95 } | |
96 | |
97 CSSMatrixTransformComponent* | |
98 CSSMatrixTransformComponent::translate3d(double x, double y, double z) { | |
99 std::unique_ptr<TransformationMatrix> matrix = TransformationMatrix::create(); | |
100 matrix->setM41(x); | |
101 matrix->setM42(y); | |
102 matrix->setM43(z); | |
103 return new CSSMatrixTransformComponent(std::move(matrix), Translation3DType); | |
104 } | |
105 | |
106 } // namespace blink | |
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