WebCore/svg/SVGFEBlendElement.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/SVGFEBlendElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,96 @@
+/*
+    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 "SVGFEBlendElement.h"
+
+#include "Attribute.h"
+
+namespace WebCore {
+
+SVGFEBlendElement::SVGFEBlendElement(const QualifiedName& tagName, Document* doc)
+    : SVGFilterPrimitiveStandardAttributes(tagName, doc)
+    , m_mode(FEBLEND_MODE_NORMAL)
+{
+}
+
+SVGFEBlendElement::~SVGFEBlendElement()
+{
+}
+
+void SVGFEBlendElement::parseMappedAttribute(Attribute* attr)
+{
+    const String& value = attr->value();
+    if (attr->name() == SVGNames::modeAttr) {
+        if (value == "normal")
+            setModeBaseValue(FEBLEND_MODE_NORMAL);
+        else if (value == "multiply")
+            setModeBaseValue(FEBLEND_MODE_MULTIPLY);
+        else if (value == "screen")
+            setModeBaseValue(FEBLEND_MODE_SCREEN);
+        else if (value == "darken")
+            setModeBaseValue(FEBLEND_MODE_DARKEN);
+        else if (value == "lighten")
+            setModeBaseValue(FEBLEND_MODE_LIGHTEN);
+    } else if (attr->name() == SVGNames::inAttr)
+        setIn1BaseValue(value);
+    else if (attr->name() == SVGNames::in2Attr)
+        setIn2BaseValue(value);
+    else
+        SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
+}
+
+void SVGFEBlendElement::synchronizeProperty(const QualifiedName& attrName)
+{
+    SVGFilterPrimitiveStandardAttributes::synchronizeProperty(attrName);
+
+    if (attrName == anyQName()) {
+        synchronizeMode();
+        synchronizeIn1();
+        synchronizeIn2();
+        return;
+    }
+
+    if (attrName == SVGNames::modeAttr)
+        synchronizeMode();
+    else if (attrName == SVGNames::inAttr)
+        synchronizeIn1();
+    else if (attrName == SVGNames::in2Attr)
+        synchronizeIn2();
+}
+
+PassRefPtr<FilterEffect> SVGFEBlendElement::build(SVGFilterBuilder* filterBuilder)
+{
+    FilterEffect* input1 = filterBuilder->getEffectById(in1());
+    FilterEffect* input2 = filterBuilder->getEffectById(in2());
+
+    if (!input1 || !input2)
+        return 0;
+
+    return FEBlend::create(input1, input2, static_cast<BlendModeType>(mode()));
+}
+
+}
+
+#endif // ENABLE(SVG)
+
+// vim:ts=4:noet