auto import from //depot/cupcake/@135843

1 files changed, 102 insertions, 0 deletions

diff --git a/WebCore/svg/SVGFEDisplacementMapElement.cpp b/WebCore/svg/SVGFEDisplacementMapElement.cpp
new file mode 100644
index 0000000..3b6dfbf
--- /dev/null
+++ b/WebCore/svg/SVGFEDisplacementMapElement.cpp
@@ -0,0 +1,102 @@
+/*
+ Copyright (C) 2006 Oliver Hunt <oliver@nerget.com>
+ 
+ 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(SVG_FILTERS)
+#include "SVGFEDisplacementMapElement.h"
+
+#include "SVGResourceFilter.h"
+
+namespace WebCore {
+
+SVGFEDisplacementMapElement::SVGFEDisplacementMapElement(const QualifiedName& tagName, Document* doc)
+    : SVGFilterPrimitiveStandardAttributes(tagName, doc)
+    , m_in1(this, SVGNames::inAttr)
+    , m_in2(this, SVGNames::in2Attr)
+    , m_xChannelSelector(this, SVGNames::xChannelSelectorAttr, CHANNEL_A)
+    , m_yChannelSelector(this, SVGNames::yChannelSelectorAttr, CHANNEL_A)
+    , m_scale(this, SVGNames::scaleAttr)
+    , m_filterEffect(0)
+{
+}
+
+SVGFEDisplacementMapElement::~SVGFEDisplacementMapElement()
+{
+}
+
+ChannelSelectorType SVGFEDisplacementMapElement::stringToChannel(const String& key)
+{
+    if (key == "R")
+        return CHANNEL_R;
+    else if (key == "G")
+        return CHANNEL_G;
+    else if (key == "B")
+        return CHANNEL_B;
+    else if (key == "A")
+        return CHANNEL_A;
+
+    return CHANNEL_UNKNOWN;
+}
+
+void SVGFEDisplacementMapElement::parseMappedAttribute(MappedAttribute* attr)
+{
+    const String& value = attr->value();
+    if (attr->name() == SVGNames::xChannelSelectorAttr)
+        setXChannelSelectorBaseValue(stringToChannel(value));
+    else if (attr->name() == SVGNames::yChannelSelectorAttr)
+        setYChannelSelectorBaseValue(stringToChannel(value));
+    else if (attr->name() == SVGNames::inAttr)
+        setIn1BaseValue(value);
+    else if (attr->name() == SVGNames::in2Attr)
+        setIn2BaseValue(value);
+    else if (attr->name() == SVGNames::scaleAttr)
+        setScaleBaseValue(value.toFloat());
+    else
+        SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
+}
+
+SVGFilterEffect* SVGFEDisplacementMapElement::filterEffect(SVGResourceFilter* filter) const
+{
+    ASSERT_NOT_REACHED();
+    return 0;
+}
+
+bool SVGFEDisplacementMapElement::build(FilterBuilder* builder)
+{
+    FilterEffect* input1 = builder->getEffectById(in1());
+    FilterEffect* input2 = builder->getEffectById(in2());
+    
+    if(!input1 || !input2)
+        return false;
+        
+    
+    RefPtr<FilterEffect> addedEffect = FEDisplacementMap::create(input1, input2, static_cast<ChannelSelectorType> (xChannelSelector()), 
+                                        static_cast<ChannelSelectorType> (yChannelSelector()), scale());
+    builder->add(result(), addedEffect.release());
+    
+    return true;
+}
+
+}
+
+#endif // ENABLE(SVG)
+
+// vim:ts=4:noet