1 /*
2 * Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB. If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21 #include "config.h"
22
23 #if ENABLE(SVG)
24 #include "SVGStopElement.h"
25
26 #include "Attribute.h"
27 #include "Document.h"
28 #include "RenderSVGGradientStop.h"
29 #include "RenderSVGResource.h"
30 #include "SVGGradientElement.h"
31 #include "SVGNames.h"
32
33 namespace WebCore {
34
35 // Animated property definitions
DEFINE_ANIMATED_NUMBER(SVGStopElement,SVGNames::offsetAttr,Offset,offset)36 DEFINE_ANIMATED_NUMBER(SVGStopElement, SVGNames::offsetAttr, Offset, offset)
37
38 inline SVGStopElement::SVGStopElement(const QualifiedName& tagName, Document* document)
39 : SVGStyledElement(tagName, document)
40 , m_offset(0)
41 {
42 }
43
create(const QualifiedName & tagName,Document * document)44 PassRefPtr<SVGStopElement> SVGStopElement::create(const QualifiedName& tagName, Document* document)
45 {
46 return adoptRef(new SVGStopElement(tagName, document));
47 }
48
parseMappedAttribute(Attribute * attr)49 void SVGStopElement::parseMappedAttribute(Attribute* attr)
50 {
51 if (attr->name() == SVGNames::offsetAttr) {
52 const String& value = attr->value();
53 if (value.endsWith("%"))
54 setOffsetBaseValue(value.left(value.length() - 1).toFloat() / 100.0f);
55 else
56 setOffsetBaseValue(value.toFloat());
57 } else
58 SVGStyledElement::parseMappedAttribute(attr);
59 }
60
svgAttributeChanged(const QualifiedName & attrName)61 void SVGStopElement::svgAttributeChanged(const QualifiedName& attrName)
62 {
63 SVGStyledElement::svgAttributeChanged(attrName);
64
65 if (!renderer())
66 return;
67
68 if (attrName == SVGNames::offsetAttr)
69 RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer());
70 }
71
synchronizeProperty(const QualifiedName & attrName)72 void SVGStopElement::synchronizeProperty(const QualifiedName& attrName)
73 {
74 SVGStyledElement::synchronizeProperty(attrName);
75
76 if (attrName == anyQName() || attrName == SVGNames::offsetAttr)
77 synchronizeOffset();
78 }
79
attributeToPropertyTypeMap()80 AttributeToPropertyTypeMap& SVGStopElement::attributeToPropertyTypeMap()
81 {
82 DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ());
83 return s_attributeToPropertyTypeMap;
84 }
85
fillAttributeToPropertyTypeMap()86 void SVGStopElement::fillAttributeToPropertyTypeMap()
87 {
88 AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap();
89
90 SVGStyledElement::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap);
91 attributeToPropertyTypeMap.set(SVGNames::offsetAttr, AnimatedLength);
92 }
93
createRenderer(RenderArena * arena,RenderStyle *)94 RenderObject* SVGStopElement::createRenderer(RenderArena* arena, RenderStyle*)
95 {
96 return new (arena) RenderSVGGradientStop(this);
97 }
98
stopColorIncludingOpacity() const99 Color SVGStopElement::stopColorIncludingOpacity() const
100 {
101 ASSERT(renderer());
102 ASSERT(renderer()->style());
103
104 const SVGRenderStyle* svgStyle = renderer()->style()->svgStyle();
105 return colorWithOverrideAlpha(svgStyle->stopColor().rgb(), svgStyle->stopOpacity());
106 }
107
108 }
109
110 #endif // ENABLE(SVG)
111