OLD | NEW |
| (Empty) |
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/DOMPointReadOnly.h" | |
6 | |
7 #include "bindings/core/v8/ExceptionState.h" | |
8 #include "bindings/core/v8/ScriptValue.h" | |
9 #include "bindings/core/v8/V8ObjectBuilder.h" | |
10 #include "core/dom/DOMMatrixInit.h" | |
11 #include "core/dom/DOMMatrixReadOnly.h" | |
12 #include "core/dom/DOMPoint.h" | |
13 #include "core/dom/DOMPointInit.h" | |
14 | |
15 namespace blink { | |
16 | |
17 DOMPointReadOnly* DOMPointReadOnly::create(double x, | |
18 double y, | |
19 double z, | |
20 double w) { | |
21 return new DOMPointReadOnly(x, y, z, w); | |
22 } | |
23 | |
24 ScriptValue DOMPointReadOnly::toJSONForBinding( | |
25 ScriptState* scriptState) const { | |
26 V8ObjectBuilder result(scriptState); | |
27 result.addNumber("x", x()); | |
28 result.addNumber("y", y()); | |
29 result.addNumber("z", z()); | |
30 result.addNumber("w", w()); | |
31 return result.scriptValue(); | |
32 } | |
33 | |
34 DOMPointReadOnly* DOMPointReadOnly::fromPoint(const DOMPointInit& other) { | |
35 return new DOMPointReadOnly(other.x(), other.y(), other.z(), other.w()); | |
36 } | |
37 | |
38 DOMPoint* DOMPointReadOnly::matrixTransform(DOMMatrixInit& other, | |
39 ExceptionState& exceptionState) { | |
40 DOMMatrixReadOnly* matrix = | |
41 DOMMatrixReadOnly::fromMatrix(other, exceptionState); | |
42 | |
43 if (matrix->is2D() && z() == 0 && w() == 1) { | |
44 double transformedX = | |
45 x() * matrix->m11() + y() * matrix->m12() + matrix->m41(); | |
46 double transformedY = | |
47 x() * matrix->m12() + y() * matrix->m22() + matrix->m42(); | |
48 return DOMPoint::create(transformedX, transformedY, 0, 1); | |
49 } | |
50 | |
51 double transformedX = x() * matrix->m11() + y() * matrix->m21() + | |
52 z() * matrix->m31() + w() * matrix->m41(); | |
53 double transformedY = x() * matrix->m12() + y() * matrix->m22() + | |
54 z() * matrix->m32() + w() * matrix->m42(); | |
55 double transformedZ = x() * matrix->m13() + y() * matrix->m23() + | |
56 z() * matrix->m33() + w() * matrix->m43(); | |
57 double transformedW = x() * matrix->m14() + y() * matrix->m24() + | |
58 z() * matrix->m34() + w() * matrix->m44(); | |
59 return DOMPoint::create(transformedX, transformedY, transformedZ, | |
60 transformedW); | |
61 } | |
62 | |
63 DOMPointReadOnly::DOMPointReadOnly(double x, double y, double z, double w) | |
64 : m_x(x), m_y(y), m_z(z), m_w(w) {} | |
65 | |
66 } // namespace blink | |
OLD | NEW |