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
|
/*
* Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
*
* 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"
#include "RenderSVGTextPath.h"
#include "FloatQuad.h"
#include "RenderBlock.h"
#include "RenderBoxModelObjectInlines.h"
#include "RenderLayer.h"
#include "RenderSVGInlineInlines.h"
#include "RenderSVGShape.h"
#include "SVGElementTypeHelpers.h"
#include "SVGGeometryElement.h"
#include "SVGInlineTextBox.h"
#include "SVGNames.h"
#include "SVGPathData.h"
#include "SVGPathElement.h"
#include "SVGRootInlineBox.h"
#include "SVGTextPathElement.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_IMPL(RenderSVGTextPath);
RenderSVGTextPath::RenderSVGTextPath(SVGTextPathElement& element, RenderStyle&& style)
: RenderSVGInline(Type::SVGTextPath, element, WTFMove(style))
{
ASSERT(isRenderSVGTextPath());
}
RenderSVGTextPath::~RenderSVGTextPath() = default;
SVGTextPathElement& RenderSVGTextPath::textPathElement() const
{
return downcast<SVGTextPathElement>(RenderSVGInline::graphicsElement());
}
SVGGeometryElement* RenderSVGTextPath::targetElement() const
{
auto target = SVGURIReference::targetElementFromIRIString(textPathElement().href(), textPathElement().treeScopeForSVGReferences());
return dynamicDowncast<SVGGeometryElement>(target.element.get());
}
Path RenderSVGTextPath::layoutPath() const
{
RefPtr element = targetElement();
if (!is<SVGGeometryElement>(element))
return { };
auto path = pathFromGraphicsElement(*element);
// Spec: The transform attribute on the referenced 'path' element represents a
// supplemental transformation relative to the current user coordinate system for
// the current 'text' element, including any adjustments to the current user coordinate
// system due to a possible transform attribute on the current 'text' element.
// http://www.w3.org/TR/SVG/text.html#TextPathElement
if (element->renderer() && document().settings().layerBasedSVGEngineEnabled()) {
auto& renderer = downcast<RenderSVGShape>(*element->renderer());
if (auto* layer = renderer.layer()) {
const auto& layerTransform = layer->currentTransform(RenderStyle::individualTransformOperations()).toAffineTransform();
if (!layerTransform.isIdentity())
path.transform(layerTransform);
return path;
}
}
path.transform(element->animatedLocalTransform());
return path;
}
const SVGLengthValue& RenderSVGTextPath::startOffset() const
{
return textPathElement().startOffset();
}
}
|
