WebCore/svg/SVGStopElement.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/SVGStopElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,92 @@
+/*
+    Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
+                  2004, 2005, 2006, 2007 Rob Buis <buis@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"
+
+#if ENABLE(SVG)
+#include "SVGStopElement.h"
+
+#include "Attribute.h"
+#include "Document.h"
+#include "RenderSVGGradientStop.h"
+#include "RenderSVGResource.h"
+#include "SVGGradientElement.h"
+#include "SVGNames.h"
+
+namespace WebCore {
+
+SVGStopElement::SVGStopElement(const QualifiedName& tagName, Document* doc)
+    : SVGStyledElement(tagName, doc)
+    , m_offset(0)
+{
+}
+
+SVGStopElement::~SVGStopElement()
+{
+}
+
+void SVGStopElement::parseMappedAttribute(Attribute* attr)
+{
+    if (attr->name() == SVGNames::offsetAttr) {
+        const String& value = attr->value();
+        if (value.endsWith("%"))
+            setOffsetBaseValue(value.left(value.length() - 1).toFloat() / 100.0f);
+        else
+            setOffsetBaseValue(value.toFloat());
+    } else
+        SVGStyledElement::parseMappedAttribute(attr);
+}
+
+void SVGStopElement::svgAttributeChanged(const QualifiedName& attrName)
+{
+    SVGStyledElement::svgAttributeChanged(attrName);
+
+    if (!renderer())
+        return;
+
+    if (attrName == SVGNames::offsetAttr)
+        RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer());
+}
+
+void SVGStopElement::synchronizeProperty(const QualifiedName& attrName)
+{
+    SVGStyledElement::synchronizeProperty(attrName);
+
+    if (attrName == anyQName() || attrName == SVGNames::offsetAttr)
+        synchronizeOffset();
+}
+
+RenderObject* SVGStopElement::createRenderer(RenderArena* arena, RenderStyle*)
+{
+    return new (arena) RenderSVGGradientStop(this);
+}
+
+Color SVGStopElement::stopColorIncludingOpacity() const
+{
+    ASSERT(renderer());
+    ASSERT(renderer()->style());
+
+    const SVGRenderStyle* svgStyle = renderer()->style()->svgStyle();
+    return colorWithOverrideAlpha(svgStyle->stopColor().rgb(), svgStyle->stopOpacity());
+}
+
+}
+
+#endif // ENABLE(SVG)