WebCore/svg/SVGFEMergeElement.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/SVGFEMergeElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,61 @@
+/*
+    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 "SVGFEMergeElement.h"
+
+#include "SVGFEMergeNodeElement.h"
+
+namespace WebCore {
+
+SVGFEMergeElement::SVGFEMergeElement(const QualifiedName& tagName, Document* doc)
+    : SVGFilterPrimitiveStandardAttributes(tagName, doc)
+{
+}
+
+SVGFEMergeElement::~SVGFEMergeElement()
+{
+}
+
+PassRefPtr<FilterEffect> SVGFEMergeElement::build(SVGFilterBuilder* filterBuilder)
+{
+    Vector<RefPtr<FilterEffect> > mergeInputs;
+    for (Node* n = firstChild(); n != 0; n = n->nextSibling()) {
+        if (n->hasTagName(SVGNames::feMergeNodeTag)) {
+            FilterEffect* mergeEffect = filterBuilder->getEffectById(static_cast<SVGFEMergeNodeElement*>(n)->in1());
+            if (!mergeEffect)
+                return 0;
+            mergeInputs.append(mergeEffect);
+        }
+    }
+
+    if (mergeInputs.isEmpty())
+        return 0;
+
+    return FEMerge::create(mergeInputs);
+}
+
+}
+
+#endif // ENABLE(SVG)
+
+// vim:ts=4:noet