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Side by Side Diff: Source/core/platform/graphics/transforms/MatrixTransformOperation.h

Issue 45553002: Move remaining classes in graphics/transforms to platform/ (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Fix merge problem Created 7 years, 1 month ago
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1 /*
2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
3 * (C) 2000 Antti Koivisto (koivisto@kde.org)
4 * (C) 2000 Dirk Mueller (mueller@kde.org)
5 * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
6 * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public License
19 * along with this library; see the file COPYING.LIB. If not, write to
20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
22 *
23 */
24
25 #ifndef MatrixTransformOperation_h
26 #define MatrixTransformOperation_h
27
28 #include "core/platform/graphics/transforms/TransformOperation.h"
29 #include "platform/transforms/TransformationMatrix.h"
30
31 namespace WebCore {
32
33 class MatrixTransformOperation : public TransformOperation {
34 public:
35 static PassRefPtr<MatrixTransformOperation> create(double a, double b, doubl e c, double d, double e, double f)
36 {
37 return adoptRef(new MatrixTransformOperation(a, b, c, d, e, f));
38 }
39
40 static PassRefPtr<MatrixTransformOperation> create(const TransformationMatri x& t)
41 {
42 return adoptRef(new MatrixTransformOperation(t));
43 }
44
45 TransformationMatrix matrix() const { return TransformationMatrix(m_a, m_b, m_c, m_d, m_e, m_f); }
46
47 private:
48 virtual bool isIdentity() const { return m_a == 1 && m_b == 0 && m_c == 0 && m_d == 1 && m_e == 0 && m_f == 0; }
49
50 virtual OperationType getOperationType() const { return Matrix; }
51 virtual bool isSameType(const TransformOperation& o) const { return o.getOpe rationType() == Matrix; }
52
53 virtual bool operator==(const TransformOperation& o) const
54 {
55 if (!isSameType(o))
56 return false;
57
58 const MatrixTransformOperation* m = static_cast<const MatrixTransformOpe ration*>(&o);
59 return m_a == m->m_a && m_b == m->m_b && m_c == m->m_c && m_d == m->m_d && m_e == m->m_e && m_f == m->m_f;
60 }
61
62 virtual bool apply(TransformationMatrix& transform, const FloatSize&) const
63 {
64 TransformationMatrix matrix(m_a, m_b, m_c, m_d, m_e, m_f);
65 transform.multiply(matrix);
66 return false;
67 }
68
69 virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false);
70
71 MatrixTransformOperation(double a, double b, double c, double d, double e, d ouble f)
72 : m_a(a)
73 , m_b(b)
74 , m_c(c)
75 , m_d(d)
76 , m_e(e)
77 , m_f(f)
78 {
79 }
80
81 MatrixTransformOperation(const TransformationMatrix& t)
82 : m_a(t.a())
83 , m_b(t.b())
84 , m_c(t.c())
85 , m_d(t.d())
86 , m_e(t.e())
87 , m_f(t.f())
88 {
89 }
90
91 double m_a;
92 double m_b;
93 double m_c;
94 double m_d;
95 double m_e;
96 double m_f;
97 };
98
99 } // namespace WebCore
100
101 #endif // MatrixTransformOperation_h
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