WebCore/svg/SVGClipPathElement.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/SVGClipPathElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,111 @@
+/*
+    Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
+                  2004, 2005, 2006, 2007, 2008 Rob Buis <buis@kde.org>
+    Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
+
+    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 "SVGClipPathElement.h"
+
+#include "Attribute.h"
+#include "CSSStyleSelector.h"
+#include "Document.h"
+#include "RenderSVGResourceClipper.h"
+#include "SVGNames.h"
+#include "SVGTransformList.h"
+#include "SVGUnitTypes.h"
+
+namespace WebCore {
+
+SVGClipPathElement::SVGClipPathElement(const QualifiedName& tagName, Document* doc)
+    : SVGStyledTransformableElement(tagName, doc)
+    , SVGTests()
+    , SVGLangSpace()
+    , SVGExternalResourcesRequired()
+    , m_clipPathUnits(SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE)
+{
+}
+
+SVGClipPathElement::~SVGClipPathElement()
+{
+}
+
+void SVGClipPathElement::parseMappedAttribute(Attribute* attr)
+{
+    if (attr->name() == SVGNames::clipPathUnitsAttr) {
+        if (attr->value() == "userSpaceOnUse")
+            setClipPathUnitsBaseValue(SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE);
+        else if (attr->value() == "objectBoundingBox")
+            setClipPathUnitsBaseValue(SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX);
+    } else {
+        if (SVGTests::parseMappedAttribute(attr))
+            return;
+        if (SVGLangSpace::parseMappedAttribute(attr))
+            return;
+        if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
+            return;
+        SVGStyledTransformableElement::parseMappedAttribute(attr);
+    }
+}
+
+void SVGClipPathElement::svgAttributeChanged(const QualifiedName& attrName)
+{
+    SVGStyledTransformableElement::svgAttributeChanged(attrName);
+
+    if (attrName == SVGNames::clipPathUnitsAttr ||
+        SVGTests::isKnownAttribute(attrName) || 
+        SVGLangSpace::isKnownAttribute(attrName) ||
+        SVGExternalResourcesRequired::isKnownAttribute(attrName) ||
+        SVGStyledTransformableElement::isKnownAttribute(attrName))
+        invalidateResourceClients();
+}
+
+void SVGClipPathElement::synchronizeProperty(const QualifiedName& attrName)
+{
+    SVGStyledTransformableElement::synchronizeProperty(attrName);
+
+    if (attrName == anyQName()) {
+        synchronizeClipPathUnits();
+        synchronizeExternalResourcesRequired();
+        return;
+    }
+
+    if (attrName == SVGNames::clipPathUnitsAttr)
+        synchronizeClipPathUnits();
+    else if (SVGExternalResourcesRequired::isKnownAttribute(attrName))
+        synchronizeExternalResourcesRequired();
+}
+
+void SVGClipPathElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+{
+    SVGStyledTransformableElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
+
+    if (!changedByParser)
+        invalidateResourceClients();
+}
+
+RenderObject* SVGClipPathElement::createRenderer(RenderArena* arena, RenderStyle*)
+{
+    return new (arena) RenderSVGResourceClipper(this);
+}
+
+}
+
+#endif // ENABLE(SVG)