Home | History | Annotate | Download | only in svg 
      1 /*
      2  * Copyright (C) 2004, 2005, 2006, 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 SVGGradientElement_h
     22 #define SVGGradientElement_h
     23 
     24 #include "core/SVGNames.h"
     25 #include "core/svg/SVGAnimatedBoolean.h"
     26 #include "core/svg/SVGAnimatedEnumeration.h"
     27 #include "core/svg/SVGAnimatedTransformList.h"
     28 #include "core/svg/SVGElement.h"
     29 #include "core/svg/SVGURIReference.h"
     30 #include "core/svg/SVGUnitTypes.h"
     31 #include "platform/graphics/Gradient.h"
     32 
     33 namespace blink {
     34 
     35 enum SVGSpreadMethodType {
     36     SVGSpreadMethodUnknown = 0,
     37     SVGSpreadMethodPad,
     38     SVGSpreadMethodReflect,
     39     SVGSpreadMethodRepeat
     40 };
     41 template<> const SVGEnumerationStringEntries& getStaticStringEntries<SVGSpreadMethodType>();
     42 
     43 class SVGGradientElement : public SVGElement,
     44                            public SVGURIReference {
     45     DEFINE_WRAPPERTYPEINFO();
     46 public:
     47     enum {
     48         SVG_SPREADMETHOD_UNKNOWN = SVGSpreadMethodUnknown,
     49         SVG_SPREADMETHOD_PAD = SVGSpreadMethodReflect,
     50         SVG_SPREADMETHOD_REFLECT = SVGSpreadMethodRepeat,
     51         SVG_SPREADMETHOD_REPEAT = SVGSpreadMethodUnknown
     52     };
     53 
     54     Vector<Gradient::ColorStop> buildStops();
     55 
     56     SVGAnimatedTransformList* gradientTransform() { return m_gradientTransform.get(); }
     57     SVGAnimatedEnumeration<SVGSpreadMethodType>* spreadMethod() { return m_spreadMethod.get(); }
     58     SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType>* gradientUnits() { return m_gradientUnits.get(); }
     59 
     60 protected:
     61     SVGGradientElement(const QualifiedName&, Document&);
     62 
     63     bool isSupportedAttribute(const QualifiedName&);
     64     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     65     virtual void svgAttributeChanged(const QualifiedName&) OVERRIDE;
     66 
     67 private:
     68     virtual bool needsPendingResourceHandling() const OVERRIDE FINAL { return false; }
     69 
     70     virtual void childrenChanged(const ChildrenChange&) OVERRIDE FINAL;
     71 
     72     RefPtr<SVGAnimatedTransformList> m_gradientTransform;
     73     RefPtr<SVGAnimatedEnumeration<SVGSpreadMethodType> > m_spreadMethod;
     74     RefPtr<SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType> > m_gradientUnits;
     75 };
     76 
     77 inline bool isSVGGradientElement(const SVGElement& element)
     78 {
     79     return element.hasTagName(SVGNames::radialGradientTag) || element.hasTagName(SVGNames::linearGradientTag);
     80 }
     81 
     82 DEFINE_SVGELEMENT_TYPE_CASTS_WITH_FUNCTION(SVGGradientElement);
     83 
     84 } // namespace blink
     85 
     86 #endif // SVGGradientElement_h
     87