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
216
217
218
219
220
|
/*
Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
2004, 2005, 2010 Rob Buis <buis@kde.org>
Copyright (C) Research In Motion Limited 2010. All rights reserved.
Based on khtml code by:
Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
Copyright (C) 2002-2003 Dirk Mueller (mueller@kde.org)
Copyright (C) 2002 Apple Computer, Inc.
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.
*/
#include "config.h"
#if ENABLE(SVG)
#include "SVGRenderStyle.h"
#include "CSSPrimitiveValue.h"
#include "CSSValueList.h"
#include "IntRect.h"
#include "NodeRenderStyle.h"
#include "SVGStyledElement.h"
using namespace std;
namespace WebCore {
SVGRenderStyle::SVGRenderStyle()
{
static SVGRenderStyle* defaultStyle = new SVGRenderStyle(CreateDefault);
fill = defaultStyle->fill;
stroke = defaultStyle->stroke;
text = defaultStyle->text;
stops = defaultStyle->stops;
misc = defaultStyle->misc;
shadowSVG = defaultStyle->shadowSVG;
inheritedResources = defaultStyle->inheritedResources;
resources = defaultStyle->resources;
setBitDefaults();
}
SVGRenderStyle::SVGRenderStyle(CreateDefaultType)
{
setBitDefaults();
fill.init();
stroke.init();
text.init();
stops.init();
misc.init();
shadowSVG.init();
inheritedResources.init();
resources.init();
}
SVGRenderStyle::SVGRenderStyle(const SVGRenderStyle& other)
: RefCounted<SVGRenderStyle>()
{
fill = other.fill;
stroke = other.stroke;
text = other.text;
stops = other.stops;
misc = other.misc;
shadowSVG = other.shadowSVG;
inheritedResources = other.inheritedResources;
resources = other.resources;
svg_inherited_flags = other.svg_inherited_flags;
svg_noninherited_flags = other.svg_noninherited_flags;
}
SVGRenderStyle::~SVGRenderStyle()
{
}
bool SVGRenderStyle::operator==(const SVGRenderStyle& other) const
{
return fill == other.fill
&& stroke == other.stroke
&& text == other.text
&& stops == other.stops
&& misc == other.misc
&& shadowSVG == other.shadowSVG
&& inheritedResources == other.inheritedResources
&& resources == other.resources
&& svg_inherited_flags == other.svg_inherited_flags
&& svg_noninherited_flags == other.svg_noninherited_flags;
}
bool SVGRenderStyle::inheritedNotEqual(const SVGRenderStyle* other) const
{
return fill != other->fill
|| stroke != other->stroke
|| text != other->text
|| inheritedResources != other->inheritedResources
|| svg_inherited_flags != other->svg_inherited_flags;
}
void SVGRenderStyle::inheritFrom(const SVGRenderStyle* svgInheritParent)
{
if (!svgInheritParent)
return;
fill = svgInheritParent->fill;
stroke = svgInheritParent->stroke;
text = svgInheritParent->text;
inheritedResources = svgInheritParent->inheritedResources;
svg_inherited_flags = svgInheritParent->svg_inherited_flags;
}
StyleDifference SVGRenderStyle::diff(const SVGRenderStyle* other) const
{
// NOTE: All comparisions that may return StyleDifferenceLayout have to go before those who return StyleDifferenceRepaint
// If kerning changes, we need a relayout, to force SVGCharacterData to be recalculated in the SVGRootInlineBox.
if (text != other->text)
return StyleDifferenceLayout;
// If resources change, we need a relayout, as the presence of resources influences the repaint rect.
if (resources != other->resources)
return StyleDifferenceLayout;
// If markers change, we need a relayout, as marker boundaries are cached in RenderSVGPath.
if (inheritedResources != other->inheritedResources)
return StyleDifferenceLayout;
// All text related properties influence layout.
if (svg_inherited_flags._textAnchor != other->svg_inherited_flags._textAnchor
|| svg_inherited_flags._writingMode != other->svg_inherited_flags._writingMode
|| svg_inherited_flags._glyphOrientationHorizontal != other->svg_inherited_flags._glyphOrientationHorizontal
|| svg_inherited_flags._glyphOrientationVertical != other->svg_inherited_flags._glyphOrientationVertical
|| svg_noninherited_flags.f._alignmentBaseline != other->svg_noninherited_flags.f._alignmentBaseline
|| svg_noninherited_flags.f._dominantBaseline != other->svg_noninherited_flags.f._dominantBaseline
|| svg_noninherited_flags.f._baselineShift != other->svg_noninherited_flags.f._baselineShift)
return StyleDifferenceLayout;
// Text related properties influence layout.
bool miscNotEqual = misc != other->misc;
if (miscNotEqual && misc->baselineShiftValue != other->misc->baselineShiftValue)
return StyleDifferenceLayout;
// These properties affect the cached stroke bounding box rects.
if (svg_inherited_flags._capStyle != other->svg_inherited_flags._capStyle
|| svg_inherited_flags._joinStyle != other->svg_inherited_flags._joinStyle)
return StyleDifferenceLayout;
// Shadow changes require relayouts, as they affect the repaint rects.
if (shadowSVG != other->shadowSVG)
return StyleDifferenceLayout;
// Some stroke properties, requires relayouts, as the cached stroke boundaries need to be recalculated.
if (stroke != other->stroke) {
if (stroke->width != other->stroke->width
|| stroke->paint != other->stroke->paint
|| stroke->miterLimit != other->stroke->miterLimit
|| stroke->dashArray != other->stroke->dashArray
|| stroke->dashOffset != other->stroke->dashOffset)
return StyleDifferenceLayout;
// Only the stroke-opacity case remains, where we only need a repaint.
ASSERT(stroke->opacity != other->stroke->opacity);
return StyleDifferenceRepaint;
}
// NOTE: All comparisions below may only return StyleDifferenceRepaint
// Painting related properties only need repaints.
if (miscNotEqual) {
if (misc->floodColor != other->misc->floodColor
|| misc->floodOpacity != other->misc->floodOpacity
|| misc->lightingColor != other->misc->lightingColor)
return StyleDifferenceRepaint;
}
// If fill changes, we just need to repaint. Fill boundaries are not influenced by this, only by the Path, that RenderSVGPath contains.
if (fill != other->fill)
return StyleDifferenceRepaint;
// If gradient stops change, we just need to repaint. Style updates are already handled through RenderSVGGradientSTop.
if (stops != other->stops)
return StyleDifferenceRepaint;
// Changes of these flags only cause repaints.
if (svg_inherited_flags._colorRendering != other->svg_inherited_flags._colorRendering
|| svg_inherited_flags._imageRendering != other->svg_inherited_flags._imageRendering
|| svg_inherited_flags._shapeRendering != other->svg_inherited_flags._shapeRendering
|| svg_inherited_flags._clipRule != other->svg_inherited_flags._clipRule
|| svg_inherited_flags._fillRule != other->svg_inherited_flags._fillRule
|| svg_inherited_flags._colorInterpolation != other->svg_inherited_flags._colorInterpolation
|| svg_inherited_flags._colorInterpolationFilters != other->svg_inherited_flags._colorInterpolationFilters)
return StyleDifferenceRepaint;
// FIXME: vector-effect is not taken into account in the layout-phase. Once this is fixed, we should relayout here.
if (svg_noninherited_flags.f._vectorEffect != other->svg_noninherited_flags.f._vectorEffect)
return StyleDifferenceRepaint;
return StyleDifferenceEqual;
}
}
#endif // ENABLE(SVG)
|
