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
|
/*
* 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 "core/rendering/svg/RenderSVGTextPath.h"
#include "core/rendering/svg/SVGPathData.h"
#include "core/rendering/svg/SVGRenderSupport.h"
#include "core/svg/SVGPathElement.h"
#include "core/svg/SVGTextPathElement.h"
namespace WebCore {
RenderSVGTextPath::RenderSVGTextPath(Element* element)
: RenderSVGInline(element)
{
}
bool RenderSVGTextPath::isChildAllowed(RenderObject* child, RenderStyle*) const
{
if (child->isText())
return SVGRenderSupport::isRenderableTextNode(child);
#if ENABLE(SVG_FONTS)
// 'altGlyph' is supported by the content model for 'textPath', but...
ASSERT(child->node());
if (isSVGAltGlyphElement(*child->node()))
return false;
#endif
return child->isSVGInline() && !child->isSVGTextPath();
}
Path RenderSVGTextPath::layoutPath() const
{
SVGTextPathElement* textPathElement = toSVGTextPathElement(node());
Element* targetElement = SVGURIReference::targetElementFromIRIString(textPathElement->href()->currentValue()->value(), textPathElement->treeScope());
if (!isSVGPathElement(targetElement))
return Path();
SVGPathElement& pathElement = toSVGPathElement(*targetElement);
Path pathData;
updatePathFromGraphicsElement(&pathElement, pathData);
// 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
pathData.transform(pathElement.animatedLocalTransform());
return pathData;
}
float RenderSVGTextPath::startOffset() const
{
return toSVGTextPathElement(node())->startOffset()->currentValue()->valueAsPercentage();
}
}
|
