1 files changed, 64 insertions, 0 deletions
diff --git a/Source/WebCore/svg/SVGFEMergeElement.cpp b/Source/WebCore/svg/SVGFEMergeElement.cpp
new file mode 100644
index 0000000..92f2346
--- /dev/null
+++ b/Source/WebCore/svg/SVGFEMergeElement.cpp
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
+ * Copyright (C) 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"
+#include "SVGNames.h"
+
+namespace WebCore {
+
+inline SVGFEMergeElement::SVGFEMergeElement(const QualifiedName& tagName, Document* document)
+    : SVGFilterPrimitiveStandardAttributes(tagName, document)
+{
+}
+
+PassRefPtr<SVGFEMergeElement> SVGFEMergeElement::create(const QualifiedName& tagName, Document* document)
+{
+    return adoptRef(new SVGFEMergeElement(tagName, document));
+}
+
+PassRefPtr<FilterEffect> SVGFEMergeElement::build(SVGFilterBuilder* filterBuilder, Filter* filter)
+{
+    RefPtr<FilterEffect> effect = FEMerge::create(filter);
+    FilterEffectVector& mergeInputs = effect->inputEffects();
+    for (Node* node = firstChild(); node; node = node->nextSibling()) {
+        if (node->hasTagName(SVGNames::feMergeNodeTag)) {
+            FilterEffect* mergeEffect = filterBuilder->getEffectById(static_cast<SVGFEMergeNodeElement*>(node)->in1());
+            if (!mergeEffect)
+                return 0;
+            mergeInputs.append(mergeEffect);
+        }
+    }
+
+    if (mergeInputs.isEmpty())
+        return 0;
+
+    return effect.release();
+}
+
+}
+
+#endif // ENABLE(SVG)
+
+// vim:ts=4:noet