WebCore/svg/SVGFEComponentTransferElement.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/SVGFEComponentTransferElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,90 @@
+/*
+    Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
+                  2004, 2005 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 "SVGFEComponentTransferElement.h"
+
+#include "Attr.h"
+#include "SVGFEFuncAElement.h"
+#include "SVGFEFuncBElement.h"
+#include "SVGFEFuncGElement.h"
+#include "SVGFEFuncRElement.h"
+#include "SVGNames.h"
+#include "SVGRenderStyle.h"
+
+namespace WebCore {
+
+SVGFEComponentTransferElement::SVGFEComponentTransferElement(const QualifiedName& tagName, Document* doc)
+    : SVGFilterPrimitiveStandardAttributes(tagName, doc)
+{
+}
+
+SVGFEComponentTransferElement::~SVGFEComponentTransferElement()
+{
+}
+
+void SVGFEComponentTransferElement::parseMappedAttribute(Attribute* attr)
+{
+    const String& value = attr->value();
+    if (attr->name() == SVGNames::inAttr)
+        setIn1BaseValue(value);
+    else
+        SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
+}
+
+void SVGFEComponentTransferElement::synchronizeProperty(const QualifiedName& attrName)
+{
+    SVGFilterPrimitiveStandardAttributes::synchronizeProperty(attrName);
+
+    if (attrName == anyQName() || attrName == SVGNames::inAttr)
+        synchronizeIn1();
+}
+
+PassRefPtr<FilterEffect> SVGFEComponentTransferElement::build(SVGFilterBuilder* filterBuilder)
+{
+    FilterEffect* input1 = filterBuilder->getEffectById(in1());
+    
+    if (!input1)
+        return 0;
+
+    ComponentTransferFunction red;
+    ComponentTransferFunction green;
+    ComponentTransferFunction blue;
+    ComponentTransferFunction alpha;
+    
+    for (Node* n = firstChild(); n != 0; n = n->nextSibling()) {
+        if (n->hasTagName(SVGNames::feFuncRTag))
+            red = static_cast<SVGFEFuncRElement*>(n)->transferFunction();
+        else if (n->hasTagName(SVGNames::feFuncGTag))
+            green = static_cast<SVGFEFuncGElement*>(n)->transferFunction();
+        else if (n->hasTagName(SVGNames::feFuncBTag))
+           blue = static_cast<SVGFEFuncBElement*>(n)->transferFunction();
+        else if (n->hasTagName(SVGNames::feFuncATag))
+            alpha = static_cast<SVGFEFuncAElement*>(n)->transferFunction();
+    }
+    
+    return FEComponentTransfer::create(input1, red, green, blue, alpha);
+}
+
+}
+
+#endif