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      1 /*
      2  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann (at) kde.org>
      3  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis (at) kde.org>
      4  *
      5  * This library is free software; you can redistribute it and/or
      6  * modify it under the terms of the GNU Library General Public
      7  * License as published by the Free Software Foundation; either
      8  * version 2 of the License, or (at your option) any later version.
      9  *
     10  * This library is distributed in the hope that it will be useful,
     11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13  * Library General Public License for more details.
     14  *
     15  * You should have received a copy of the GNU Library General Public License
     16  * along with this library; see the file COPYING.LIB.  If not, write to
     17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     18  * Boston, MA 02110-1301, USA.
     19  */
     20 
     21 #ifndef SVGComponentTransferFunctionElement_h
     22 #define SVGComponentTransferFunctionElement_h
     23 
     24 #include "core/svg/SVGAnimatedEnumeration.h"
     25 #include "core/svg/SVGAnimatedNumber.h"
     26 #include "core/svg/SVGAnimatedNumberList.h"
     27 #include "core/svg/SVGElement.h"
     28 #include "platform/graphics/filters/FEComponentTransfer.h"
     29 
     30 namespace blink {
     31 
     32 template<> const SVGEnumerationStringEntries& getStaticStringEntries<ComponentTransferType>();
     33 
     34 class SVGComponentTransferFunctionElement : public SVGElement {
     35     DEFINE_WRAPPERTYPEINFO();
     36 public:
     37     ComponentTransferFunction transferFunction() const;
     38 
     39     SVGAnimatedNumberList* tableValues() { return m_tableValues.get(); }
     40     SVGAnimatedNumber* slope() { return m_slope.get(); }
     41     SVGAnimatedNumber* intercept() { return m_intercept.get(); }
     42     SVGAnimatedNumber* amplitude() { return m_amplitude.get(); }
     43     SVGAnimatedNumber* exponent() { return m_exponent.get(); }
     44     SVGAnimatedNumber* offset() { return m_offset.get(); }
     45     SVGAnimatedEnumeration<ComponentTransferType>* type() { return m_type.get(); }
     46 
     47 protected:
     48     SVGComponentTransferFunctionElement(const QualifiedName&, Document&);
     49 
     50     bool isSupportedAttribute(const QualifiedName&);
     51     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE FINAL;
     52     virtual void svgAttributeChanged(const QualifiedName&) OVERRIDE FINAL;
     53 
     54     virtual bool rendererIsNeeded(const RenderStyle&) OVERRIDE FINAL { return false; }
     55 
     56 private:
     57     RefPtr<SVGAnimatedNumberList> m_tableValues;
     58     RefPtr<SVGAnimatedNumber> m_slope;
     59     RefPtr<SVGAnimatedNumber> m_intercept;
     60     RefPtr<SVGAnimatedNumber> m_amplitude;
     61     RefPtr<SVGAnimatedNumber> m_exponent;
     62     RefPtr<SVGAnimatedNumber> m_offset;
     63     RefPtr<SVGAnimatedEnumeration<ComponentTransferType> > m_type;
     64 };
     65 
     66 } // namespace blink
     67 
     68 #endif // SVGComponentTransferFunctionElement_h
     69