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      1 /*
      2  * Copyright (C) 2009 Dirk Schulze <krit (at) webkit.org>
      3  *
      4  * This library is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Library General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2 of the License, or (at your option) any later version.
      8  *
      9  * This library is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Library General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Library General Public License
     15  * along with this library; see the file COPYING.LIB.  If not, write to
     16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17  * Boston, MA 02110-1301, USA.
     18  */
     19 
     20 #ifndef SVGFEConvolveMatrixElement_h
     21 #define SVGFEConvolveMatrixElement_h
     22 
     23 #include "core/platform/graphics/filters/FEConvolveMatrix.h"
     24 #include "core/svg/SVGAnimatedBoolean.h"
     25 #include "core/svg/SVGAnimatedEnumeration.h"
     26 #include "core/svg/SVGAnimatedInteger.h"
     27 #include "core/svg/SVGAnimatedNumber.h"
     28 #include "core/svg/SVGAnimatedNumberList.h"
     29 #include "core/svg/SVGFilterPrimitiveStandardAttributes.h"
     30 
     31 namespace WebCore {
     32 
     33 template<>
     34 struct SVGPropertyTraits<EdgeModeType> {
     35     static unsigned highestEnumValue() { return EDGEMODE_NONE; }
     36 
     37     static String toString(EdgeModeType type)
     38     {
     39         switch (type) {
     40         case EDGEMODE_UNKNOWN:
     41             return emptyString();
     42         case EDGEMODE_DUPLICATE:
     43             return "duplicate";
     44         case EDGEMODE_WRAP:
     45             return "wrap";
     46         case EDGEMODE_NONE:
     47             return "none";
     48         }
     49 
     50         ASSERT_NOT_REACHED();
     51         return emptyString();
     52     }
     53 
     54     static EdgeModeType fromString(const String& value)
     55     {
     56         if (value == "duplicate")
     57             return EDGEMODE_DUPLICATE;
     58         if (value == "wrap")
     59             return EDGEMODE_WRAP;
     60         if (value == "none")
     61             return EDGEMODE_NONE;
     62         return EDGEMODE_UNKNOWN;
     63     }
     64 };
     65 
     66 class SVGFEConvolveMatrixElement FINAL : public SVGFilterPrimitiveStandardAttributes {
     67 public:
     68     static PassRefPtr<SVGFEConvolveMatrixElement> create(const QualifiedName&, Document*);
     69 
     70     void setOrder(float orderX, float orderY);
     71     void setKernelUnitLength(float kernelUnitLengthX, float kernelUnitLengthY);
     72 
     73 private:
     74     SVGFEConvolveMatrixElement(const QualifiedName&, Document*);
     75 
     76     bool isSupportedAttribute(const QualifiedName&);
     77     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     78     virtual bool setFilterEffectAttribute(FilterEffect*, const QualifiedName&);
     79     virtual void svgAttributeChanged(const QualifiedName&);
     80     virtual PassRefPtr<FilterEffect> build(SVGFilterBuilder*, Filter*);
     81 
     82     static const AtomicString& orderXIdentifier();
     83     static const AtomicString& orderYIdentifier();
     84     static const AtomicString& kernelUnitLengthXIdentifier();
     85     static const AtomicString& kernelUnitLengthYIdentifier();
     86 
     87     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGFEConvolveMatrixElement)
     88         DECLARE_ANIMATED_STRING(In1, in1)
     89         DECLARE_ANIMATED_INTEGER(OrderX, orderX)
     90         DECLARE_ANIMATED_INTEGER(OrderY, orderY)
     91         DECLARE_ANIMATED_NUMBER_LIST(KernelMatrix, kernelMatrix)
     92         DECLARE_ANIMATED_NUMBER(Divisor, divisor)
     93         DECLARE_ANIMATED_NUMBER(Bias, bias)
     94         DECLARE_ANIMATED_INTEGER(TargetX, targetX)
     95         DECLARE_ANIMATED_INTEGER(TargetY, targetY)
     96         DECLARE_ANIMATED_ENUMERATION(EdgeMode, edgeMode, EdgeModeType)
     97         DECLARE_ANIMATED_NUMBER(KernelUnitLengthX, kernelUnitLengthX)
     98         DECLARE_ANIMATED_NUMBER(KernelUnitLengthY, kernelUnitLengthY)
     99         DECLARE_ANIMATED_BOOLEAN(PreserveAlpha, preserveAlpha)
    100     END_DECLARE_ANIMATED_PROPERTIES
    101 };
    102 
    103 } // namespace WebCore
    104 
    105 #endif
    106