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
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
/*
* 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, 2013, 2015 Apple Inc. All rights reserved.
*
* 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 NinePieceImage_h
#define NinePieceImage_h
#include "DataRef.h"
#include "LayoutRect.h"
#include "LayoutSize.h"
#include "LayoutUnit.h"
#include "LengthBox.h"
#include "StyleImage.h"
#include <wtf/Vector.h>
namespace WebCore {
enum ENinePieceImageRule {
StretchImageRule, RoundImageRule, SpaceImageRule, RepeatImageRule
};
enum ImagePiece {
MinPiece = 0,
TopLeftPiece = MinPiece,
LeftPiece,
BottomLeftPiece,
TopRightPiece,
RightPiece,
BottomRightPiece,
TopPiece,
BottomPiece,
MiddlePiece,
MaxPiece
};
inline ImagePiece& operator++(ImagePiece& piece)
{
piece = static_cast<ImagePiece>(static_cast<int>(piece) + 1);
return piece;
}
inline bool isCornerPiece(ImagePiece piece)
{
return piece == TopLeftPiece || piece == TopRightPiece || piece == BottomLeftPiece || piece == BottomRightPiece;
}
inline bool isMiddlePiece(ImagePiece piece)
{
return piece == MiddlePiece;
}
inline bool isHorizontalPiece(ImagePiece piece)
{
return piece == TopPiece || piece == BottomPiece || piece == MiddlePiece;
}
inline bool isVerticalPiece(ImagePiece piece)
{
return piece == LeftPiece || piece == RightPiece || piece == MiddlePiece;
}
inline PhysicalBoxSide imagePieceHorizontalSide(ImagePiece piece)
{
if (piece == TopLeftPiece || piece == TopPiece || piece == TopRightPiece)
return TopSide;
if (piece == BottomLeftPiece || piece == BottomPiece || piece == BottomRightPiece)
return BottomSide;
return NilSide;
}
inline PhysicalBoxSide imagePieceVerticalSide(ImagePiece piece)
{
if (piece == TopLeftPiece || piece == LeftPiece || piece == BottomLeftPiece)
return LeftSide;
if (piece == TopRightPiece || piece == RightPiece || piece == BottomRightPiece)
return RightSide;
return NilSide;
}
class RenderStyle;
class NinePieceImageData : public RefCounted<NinePieceImageData> {
public:
static Ref<NinePieceImageData> create() { return adoptRef(*new NinePieceImageData); }
Ref<NinePieceImageData> copy() const;
bool operator==(const NinePieceImageData&) const;
bool operator!=(const NinePieceImageData& o) const { return !(*this == o); }
bool fill : 1;
unsigned horizontalRule : 2; // ENinePieceImageRule
unsigned verticalRule : 2; // ENinePieceImageRule
RefPtr<StyleImage> image;
LengthBox imageSlices;
LengthBox borderSlices;
LengthBox outset;
private:
NinePieceImageData();
NinePieceImageData(const NinePieceImageData&);
};
class NinePieceImage {
public:
NinePieceImage();
NinePieceImage(PassRefPtr<StyleImage>, LengthBox imageSlices, bool fill, LengthBox borderSlices, LengthBox outset, ENinePieceImageRule horizontalRule, ENinePieceImageRule verticalRule);
bool operator==(const NinePieceImage& other) const { return m_data == other.m_data; }
bool operator!=(const NinePieceImage& other) const { return m_data != other.m_data; }
bool hasImage() const { return m_data->image; }
StyleImage* image() const { return m_data->image.get(); }
void setImage(PassRefPtr<StyleImage> image) { m_data.access()->image = image; }
const LengthBox& imageSlices() const { return m_data->imageSlices; }
void setImageSlices(LengthBox slices) { m_data.access()->imageSlices = WTFMove(slices); }
bool fill() const { return m_data->fill; }
void setFill(bool fill) { m_data.access()->fill = fill; }
const LengthBox& borderSlices() const { return m_data->borderSlices; }
void setBorderSlices(LengthBox slices) { m_data.access()->borderSlices = WTFMove(slices); }
const LengthBox& outset() const { return m_data->outset; }
void setOutset(LengthBox outset) { m_data.access()->outset = WTFMove(outset); }
ENinePieceImageRule horizontalRule() const { return static_cast<ENinePieceImageRule>(m_data->horizontalRule); }
void setHorizontalRule(ENinePieceImageRule rule) { m_data.access()->horizontalRule = rule; }
ENinePieceImageRule verticalRule() const { return static_cast<ENinePieceImageRule>(m_data->verticalRule); }
void setVerticalRule(ENinePieceImageRule rule) { m_data.access()->verticalRule = rule; }
void copyImageSlicesFrom(const NinePieceImage& other)
{
m_data.access()->imageSlices = other.m_data->imageSlices;
m_data.access()->fill = other.m_data->fill;
}
void copyBorderSlicesFrom(const NinePieceImage& other)
{
m_data.access()->borderSlices = other.m_data->borderSlices;
}
void copyOutsetFrom(const NinePieceImage& other)
{
m_data.access()->outset = other.m_data->outset;
}
void copyRepeatFrom(const NinePieceImage& other)
{
m_data.access()->horizontalRule = other.m_data->horizontalRule;
m_data.access()->verticalRule = other.m_data->verticalRule;
}
void setMaskDefaults()
{
m_data.access()->imageSlices = LengthBox(0);
m_data.access()->fill = true;
m_data.access()->borderSlices = LengthBox();
}
static LayoutUnit computeOutset(const Length& outsetSide, LayoutUnit borderSide)
{
if (outsetSide.isRelative())
return outsetSide.value() * borderSide;
return outsetSide.value();
}
static LayoutUnit computeSlice(Length, LayoutUnit width, LayoutUnit slice, LayoutUnit extent);
static LayoutBoxExtent computeSlices(const LayoutSize&, const LengthBox& lengths, int scaleFactor);
static LayoutBoxExtent computeSlices(const LayoutSize&, const LengthBox& lengths, const FloatBoxExtent& widths, const LayoutBoxExtent& slices);
static bool isEmptyPieceRect(ImagePiece, const LayoutBoxExtent& slices);
static bool isEmptyPieceRect(ImagePiece, const Vector<FloatRect>& destinationRects, const Vector<FloatRect>& sourceRects);
static Vector<FloatRect> computeNineRects(const FloatRect& outer, const LayoutBoxExtent& slices, float deviceScaleFactor);
static void scaleSlicesIfNeeded(const LayoutSize&, LayoutBoxExtent& slices, float deviceScaleFactor);
static FloatSize computeSideTileScale(ImagePiece, const Vector<FloatRect>& destinationRects, const Vector<FloatRect>& sourceRects);
static FloatSize computeMiddleTileScale(const Vector<FloatSize>& scales, const Vector<FloatRect>& destinationRects, const Vector<FloatRect>& sourceRects, ENinePieceImageRule hRule, ENinePieceImageRule vRule);
static Vector<FloatSize> computeTileScales(const Vector<FloatRect>& destinationRects, const Vector<FloatRect>& sourceRects, ENinePieceImageRule hRule, ENinePieceImageRule vRule);
void paint(GraphicsContext&, RenderElement*, const RenderStyle&, const LayoutRect& destination, const LayoutSize& source, float deviceScaleFactor, CompositeOperator) const;
private:
DataRef<NinePieceImageData> m_data;
};
} // namespace WebCore
#endif // NinePieceImage_h
|
