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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
/*
* 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 TransformOperations_h
#define TransformOperations_h
#include "platform/geometry/LayoutSize.h"
#include "platform/transforms/TransformOperation.h"
#include "wtf/Allocator.h"
#include "wtf/RefPtr.h"
#include "wtf/Vector.h"
namespace blink {
class FloatBox;
class PLATFORM_EXPORT EmptyTransformOperations final {
DISALLOW_NEW();
};
class PLATFORM_EXPORT TransformOperations {
DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
public:
explicit TransformOperations(bool makeIdentity = false);
TransformOperations(const EmptyTransformOperations&) {}
bool operator==(const TransformOperations& o) const;
bool operator!=(const TransformOperations& o) const { return !(*this == o); }
void apply(const FloatSize& sz, TransformationMatrix& t) const {
for (unsigned i = 0; i < m_operations.size(); ++i)
m_operations[i]->apply(t, sz);
}
// Return true if any of the operation types are 3D operation types (even if
// the values describe affine transforms)
bool has3DOperation() const {
for (unsigned i = 0; i < m_operations.size(); ++i)
if (m_operations[i]->is3DOperation())
return true;
return false;
}
bool dependsOnBoxSize() const {
for (unsigned i = 0; i < m_operations.size(); ++i) {
if (m_operations[i]->dependsOnBoxSize())
return true;
}
return false;
}
bool operationsMatch(const TransformOperations&) const;
void clear() { m_operations.clear(); }
Vector<RefPtr<TransformOperation>>& operations() { return m_operations; }
const Vector<RefPtr<TransformOperation>>& operations() const {
return m_operations;
}
size_t size() const { return m_operations.size(); }
const TransformOperation* at(size_t index) const {
return index < m_operations.size() ? m_operations.at(index).get() : 0;
}
bool blendedBoundsForBox(const FloatBox&,
const TransformOperations& from,
const double& minProgress,
const double& maxProgress,
FloatBox* bounds) const;
TransformOperations blendByMatchingOperations(const TransformOperations& from,
const double& progress) const;
PassRefPtr<TransformOperation> blendByUsingMatrixInterpolation(
const TransformOperations& from,
double progress) const;
TransformOperations blend(const TransformOperations& from,
double progress) const;
TransformOperations add(const TransformOperations& addend) const;
TransformOperations zoom(double factor) const;
private:
Vector<RefPtr<TransformOperation>> m_operations;
};
} // namespace blink
#endif // TransformOperations_h
|
