WebCore/svg/SVGFECompositeElement.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/SVGFECompositeElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,118 @@
+/*
+    Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
+                  2004, 2005, 2006 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) && ENABLE(FILTERS)
+#include "SVGFECompositeElement.h"
+
+#include "Attribute.h"
+#include "SVGNames.h"
+
+namespace WebCore {
+
+SVGFECompositeElement::SVGFECompositeElement(const QualifiedName& tagName, Document* doc)
+    : SVGFilterPrimitiveStandardAttributes(tagName, doc)
+    , m__operator(FECOMPOSITE_OPERATOR_OVER)
+{
+}
+
+SVGFECompositeElement::~SVGFECompositeElement()
+{
+}
+
+void SVGFECompositeElement::parseMappedAttribute(Attribute* attr)
+{
+    const String& value = attr->value();
+    if (attr->name() == SVGNames::operatorAttr) {
+        if (value == "over")
+            set_operatorBaseValue(FECOMPOSITE_OPERATOR_OVER);
+        else if (value == "in")
+            set_operatorBaseValue(FECOMPOSITE_OPERATOR_IN);
+        else if (value == "out")
+            set_operatorBaseValue(FECOMPOSITE_OPERATOR_OUT);
+        else if (value == "atop")
+            set_operatorBaseValue(FECOMPOSITE_OPERATOR_ATOP);
+        else if (value == "xor")
+            set_operatorBaseValue(FECOMPOSITE_OPERATOR_XOR);
+        else if (value == "arithmetic")
+            set_operatorBaseValue(FECOMPOSITE_OPERATOR_ARITHMETIC);
+    } else if (attr->name() == SVGNames::inAttr)
+        setIn1BaseValue(value);
+    else if (attr->name() == SVGNames::in2Attr)
+        setIn2BaseValue(value);
+    else if (attr->name() == SVGNames::k1Attr)
+        setK1BaseValue(value.toFloat());
+    else if (attr->name() == SVGNames::k2Attr)
+        setK2BaseValue(value.toFloat());
+    else if (attr->name() == SVGNames::k3Attr)
+        setK3BaseValue(value.toFloat());
+    else if (attr->name() == SVGNames::k4Attr)
+        setK4BaseValue(value.toFloat());
+    else
+        SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
+}
+
+void SVGFECompositeElement::synchronizeProperty(const QualifiedName& attrName)
+{
+    SVGFilterPrimitiveStandardAttributes::synchronizeProperty(attrName);
+
+    if (attrName == anyQName()) {
+        synchronize_operator();
+        synchronizeIn1();
+        synchronizeIn2();
+        synchronizeK1();
+        synchronizeK2();
+        synchronizeK3();
+        synchronizeK4();
+        return;
+    }
+
+    if (attrName == SVGNames::operatorAttr)
+        synchronize_operator();
+    else if (attrName == SVGNames::inAttr)
+        synchronizeIn1();
+    else if (attrName == SVGNames::in2Attr)
+        synchronizeIn2();
+    else if (attrName == SVGNames::k1Attr)
+        synchronizeK1();
+    else if (attrName == SVGNames::k2Attr)
+        synchronizeK2();
+    else if (attrName == SVGNames::k3Attr)
+        synchronizeK3();
+    else if (attrName == SVGNames::k4Attr)
+        synchronizeK4();
+}
+
+PassRefPtr<FilterEffect> SVGFECompositeElement::build(SVGFilterBuilder* filterBuilder)
+{
+    FilterEffect* input1 = filterBuilder->getEffectById(in1());
+    FilterEffect* input2 = filterBuilder->getEffectById(in2());
+    
+    if (!input1 || !input2)
+        return 0;
+    
+    return FEComposite::create(input1, input2, static_cast<CompositeOperationType>(_operator()),
+                                        k1(), k2(), k3(), k4());
+}
+
+}
+
+#endif // ENABLE(SVG)