--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/SVGFEDiffuseLightingElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,124 @@
+/*
+     Copyright (C) 2005 Oliver Hunt <ojh16@student.canterbury.ac.nz>
+     
+     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 "SVGFEDiffuseLightingElement.h"
+
+#include "Attr.h"
+#include "RenderObject.h"
+#include "SVGColor.h"
+#include "SVGFEDiffuseLighting.h"
+#include "SVGFELightElement.h"
+#include "SVGNames.h"
+#include "SVGParserUtilities.h"
+#include "SVGRenderStyle.h"
+
+namespace WebCore {
+
+char SVGKernelUnitLengthXIdentifier[] = "SVGKernelUnitLengthX";
+char SVGKernelUnitLengthYIdentifier[] = "SVGKernelUnitLengthY";
+
+SVGFEDiffuseLightingElement::SVGFEDiffuseLightingElement(const QualifiedName& tagName, Document* doc)
+    : SVGFilterPrimitiveStandardAttributes(tagName, doc)
+    , m_diffuseConstant(1.0f)
+    , m_surfaceScale(1.0f)
+{
+}
+
+SVGFEDiffuseLightingElement::~SVGFEDiffuseLightingElement()
+{
+}
+
+void SVGFEDiffuseLightingElement::parseMappedAttribute(Attribute* attr)
+{
+    const String& value = attr->value();
+    if (attr->name() == SVGNames::inAttr)
+        setIn1BaseValue(value);
+    else if (attr->name() == SVGNames::surfaceScaleAttr)
+        setSurfaceScaleBaseValue(value.toFloat());
+    else if (attr->name() == SVGNames::diffuseConstantAttr)
+        setDiffuseConstantBaseValue(value.toFloat());
+    else if (attr->name() == SVGNames::kernelUnitLengthAttr) {
+        float x, y;
+        if (parseNumberOptionalNumber(value, x, y)) {
+            setKernelUnitLengthXBaseValue(x);
+            setKernelUnitLengthYBaseValue(y);
+        }
+    } else
+        SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
+}
+
+void SVGFEDiffuseLightingElement::synchronizeProperty(const QualifiedName& attrName)
+{
+    SVGFilterPrimitiveStandardAttributes::synchronizeProperty(attrName);
+
+    if (attrName == anyQName()) {
+        synchronizeIn1();
+        synchronizeSurfaceScale();
+        synchronizeDiffuseConstant();
+        synchronizeKernelUnitLengthX();
+        synchronizeKernelUnitLengthY();
+        return;
+    }
+
+    if (attrName == SVGNames::inAttr)
+        synchronizeIn1();
+    else if (attrName == SVGNames::surfaceScaleAttr)
+        synchronizeSurfaceScale();
+    else if (attrName == SVGNames::diffuseConstantAttr)
+        synchronizeDiffuseConstant();
+    else if (attrName == SVGNames::kernelUnitLengthAttr) {
+        synchronizeKernelUnitLengthX();
+        synchronizeKernelUnitLengthY();
+    }
+}
+
+PassRefPtr<FilterEffect> SVGFEDiffuseLightingElement::build(SVGFilterBuilder* filterBuilder)
+{
+    FilterEffect* input1 = filterBuilder->getEffectById(in1());
+    
+    if (!input1)
+        return 0;
+    
+    RefPtr<RenderStyle> filterStyle = styleForRenderer();
+    Color color = filterStyle->svgStyle()->lightingColor();
+    
+    return FEDiffuseLighting::create(input1, color, surfaceScale(), diffuseConstant(), 
+                                            kernelUnitLengthX(), kernelUnitLengthY(), findLights());
+}
+
+PassRefPtr<LightSource> SVGFEDiffuseLightingElement::findLights() const
+{
+    for (Node* n = firstChild(); n; n = n->nextSibling()) {
+        if (n->hasTagName(SVGNames::feDistantLightTag) ||
+            n->hasTagName(SVGNames::fePointLightTag) ||
+            n->hasTagName(SVGNames::feSpotLightTag)) {
+            SVGFELightElement* lightNode = static_cast<SVGFELightElement*>(n); 
+            return lightNode->lightSource();
+        }
+    }
+
+    return 0;
+}
+
+}
+
+#endif // ENABLE(SVG)