WebCore/svg/SVGFEMorphologyElement.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/SVGFEMorphologyElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,108 @@
+/*
+    Copyright (C) 2009 Dirk Schulze <krit@webkit.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 "SVGFEMorphologyElement.h"
+
+#include "Attribute.h"
+#include "SVGNames.h"
+#include "SVGParserUtilities.h"
+
+namespace WebCore {
+
+char SVGRadiusXAttrIdentifier[] = "SVGRadiusXAttr";
+char SVGRadiusYAttrIdentifier[] = "SVGRadiusYAttr";
+
+SVGFEMorphologyElement::SVGFEMorphologyElement(const QualifiedName& tagName, Document* document)
+    : SVGFilterPrimitiveStandardAttributes(tagName, document)
+    , m__operator(FEMORPHOLOGY_OPERATOR_ERODE)
+{
+}
+
+SVGFEMorphologyElement::~SVGFEMorphologyElement()
+{
+}
+
+void SVGFEMorphologyElement::setRadius(float, float)
+{
+    // FIXME: Needs an implementation.
+}
+
+void SVGFEMorphologyElement::parseMappedAttribute(Attribute* attr)
+{
+    const String& value = attr->value();
+    if (attr->name() == SVGNames::operatorAttr) {
+        if (value == "erode")
+            set_operatorBaseValue(FEMORPHOLOGY_OPERATOR_ERODE);
+        else if (value == "dilate")
+            set_operatorBaseValue(FEMORPHOLOGY_OPERATOR_DILATE);
+    } else if (attr->name() == SVGNames::inAttr)
+        setIn1BaseValue(value);
+    else if (attr->name() == SVGNames::radiusAttr) {
+        float x, y;
+        if (parseNumberOptionalNumber(value, x, y)) {
+            setRadiusXBaseValue(x);
+            setRadiusYBaseValue(y);
+        }
+    } else
+        SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
+}
+
+void SVGFEMorphologyElement::synchronizeProperty(const QualifiedName& attrName)
+{
+    SVGFilterPrimitiveStandardAttributes::synchronizeProperty(attrName);
+
+    if (attrName == anyQName()) {
+        synchronize_operator();
+        synchronizeIn1();
+        synchronizeRadiusX();
+        synchronizeRadiusY();
+        return;
+    }
+
+    if (attrName == SVGNames::operatorAttr)
+        synchronize_operator();
+    else if (attrName == SVGNames::inAttr)
+        synchronizeIn1();
+    else if (attrName == SVGNames::radiusAttr) {
+        synchronizeRadiusX();
+        synchronizeRadiusY();
+    }
+}
+
+PassRefPtr<FilterEffect> SVGFEMorphologyElement::build(SVGFilterBuilder* filterBuilder)
+{
+    FilterEffect* input1 = filterBuilder->getEffectById(in1());
+    float xRadius = radiusX();
+    float yRadius = radiusY();
+
+    if (!input1)
+        return 0;
+
+    if (xRadius < 0 || yRadius < 0)
+        return 0;
+
+    return FEMorphology::create(input1, static_cast<MorphologyOperatorType>(_operator()), xRadius, yRadius);
+}
+
+} //namespace WebCore
+
+#endif // ENABLE(SVG)