third_party/WebKit/Source/core/svg/SVGFELightElement.h

   1 /*
   2  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
   3  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
   4  * Copyright (C) 2005 Oliver Hunt <oliver@nerget.com>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public License
  17  * along with this library; see the file COPYING.LIB.  If not, write to
  18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  * Boston, MA 02110-1301, USA.
  20  */
  21
  22 #ifndef SVGFELightElement_h
  23 #define SVGFELightElement_h
  24
  25 #include "core/SVGNames.h"
  26 #include "core/svg/SVGAnimatedNumber.h"
  27 #include "core/svg/SVGElement.h"
  28 #include "platform/graphics/filters/LightSource.h"
  29 #include "platform/heap/Handle.h"
  30
  31 namespace blink {
  32
  33 class Filter;
  34
  35 class SVGFELightElement : public SVGElement {
  36 public:
  37     virtual PassRefPtr<LightSource> lightSource(Filter*) const = 0;
  38     static SVGFELightElement* findLightElement(const SVGElement&);
  39
  40     FloatPoint3D position() const;
  41     FloatPoint3D pointsAt() const;
  42
  43     SVGAnimatedNumber* azimuth() { return m_azimuth.get(); }
  44     const SVGAnimatedNumber* azimuth() const { return m_azimuth.get(); }
  45     SVGAnimatedNumber* elevation() { return m_elevation.get(); }
  46     const SVGAnimatedNumber* elevation() const { return m_elevation.get(); }
  47     SVGAnimatedNumber* x() { return m_x.get(); }
  48     const SVGAnimatedNumber* x() const { return m_x.get(); }
  49     SVGAnimatedNumber* y() { return m_y.get(); }
  50     const SVGAnimatedNumber* y() const { return m_y.get(); }
  51     SVGAnimatedNumber* z() { return m_z.get(); }
  52     const SVGAnimatedNumber* z() const { return m_z.get(); }
  53     SVGAnimatedNumber* pointsAtX() { return m_pointsAtX.get(); }
  54     const SVGAnimatedNumber* pointsAtX() const { return m_pointsAtX.get(); }
  55     SVGAnimatedNumber* pointsAtY() { return m_pointsAtY.get(); }
  56     const SVGAnimatedNumber* pointsAtY() const { return m_pointsAtY.get(); }
  57     SVGAnimatedNumber* pointsAtZ() { return m_pointsAtZ.get(); }
  58     const SVGAnimatedNumber* pointsAtZ() const { return m_pointsAtZ.get(); }
  59     SVGAnimatedNumber* specularExponent() { return m_specularExponent.get(); }
  60     const SVGAnimatedNumber* specularExponent() const { return m_specularExponent.get(); }
  61     SVGAnimatedNumber* limitingConeAngle() { return m_limitingConeAngle.get(); }
  62     const SVGAnimatedNumber* limitingConeAngle() const { return m_limitingConeAngle.get(); }
  63
  64     DECLARE_VIRTUAL_TRACE();
  65
  66 protected:
  67     SVGFELightElement(const QualifiedName&, Document&);
  68
  69 private:
  70     void svgAttributeChanged(const QualifiedName&) final;
  71     void childrenChanged(const ChildrenChange&) final;
  72
  73     bool layoutObjectIsNeeded(const ComputedStyle&) override { return false; }
  74
  75     RefPtrWillBeMember<SVGAnimatedNumber> m_azimuth;
  76     RefPtrWillBeMember<SVGAnimatedNumber> m_elevation;
  77     RefPtrWillBeMember<SVGAnimatedNumber> m_x;
  78     RefPtrWillBeMember<SVGAnimatedNumber> m_y;
  79     RefPtrWillBeMember<SVGAnimatedNumber> m_z;
  80     RefPtrWillBeMember<SVGAnimatedNumber> m_pointsAtX;
  81     RefPtrWillBeMember<SVGAnimatedNumber> m_pointsAtY;
  82     RefPtrWillBeMember<SVGAnimatedNumber> m_pointsAtZ;
  83     RefPtrWillBeMember<SVGAnimatedNumber> m_specularExponent;
  84     RefPtrWillBeMember<SVGAnimatedNumber> m_limitingConeAngle;
  85 };
  86
  87 inline bool isSVGFELightElement(const SVGElement& element)
  88 {
  89     return element.hasTagName(SVGNames::feDistantLightTag) || element.hasTagName(SVGNames::fePointLightTag) || element.hasTagName(SVGNames::feSpotLightTag);
  90 }
  91
  92 DEFINE_SVGELEMENT_TYPE_CASTS_WITH_FUNCTION(SVGFELightElement);
  93
  94 } // namespace blink
  95
  96 #endif