1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/*
* Copyright (C) 2000 Lars Knoll (knoll@kde.org)
* (C) 2000 Antti Koivisto (koivisto@kde.org)
* (C) 2000 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
* Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef SkewTransformOperation_h
#define SkewTransformOperation_h
#include "platform/transforms/TransformOperation.h"
#include "wtf/PassRefPtr.h"
namespace blink {
class PLATFORM_EXPORT SkewTransformOperation final : public TransformOperation {
public:
static PassRefPtr<SkewTransformOperation> create(double angleX,
double angleY,
OperationType type) {
return adoptRef(new SkewTransformOperation(angleX, angleY, type));
}
double angleX() const { return m_angleX; }
double angleY() const { return m_angleY; }
virtual bool canBlendWith(const TransformOperation& other) const;
private:
OperationType type() const override { return m_type; }
bool operator==(const TransformOperation& o) const override {
if (!isSameType(o))
return false;
const SkewTransformOperation* s =
static_cast<const SkewTransformOperation*>(&o);
return m_angleX == s->m_angleX && m_angleY == s->m_angleY;
}
void apply(TransformationMatrix& transform, const FloatSize&) const override {
transform.skew(m_angleX, m_angleY);
}
PassRefPtr<TransformOperation> blend(const TransformOperation* from,
double progress,
bool blendToIdentity = false) override;
PassRefPtr<TransformOperation> zoom(double factor) final { return this; }
SkewTransformOperation(double angleX, double angleY, OperationType type)
: m_angleX(angleX), m_angleY(angleY), m_type(type) {}
double m_angleX;
double m_angleY;
OperationType m_type;
};
} // namespace blink
#endif // SkewTransformOperation_h
|
