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/*
* Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
* Copyright (C) 2005 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.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_FE_LIGHT_ELEMENT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_FE_LIGHT_ELEMENT_H_
#include "third_party/blink/renderer/core/svg/svg_animated_number.h"
#include "third_party/blink/renderer/core/svg/svg_element.h"
#include "third_party/blink/renderer/core/svg_names.h"
#include "third_party/blink/renderer/platform/graphics/filters/light_source.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
namespace blink {
class Filter;
class SVGFELightElement : public SVGElement {
public:
virtual scoped_refptr<LightSource> GetLightSource(Filter*) const = 0;
static SVGFELightElement* FindLightElement(const SVGElement&);
FloatPoint3D GetPosition() const;
FloatPoint3D PointsAt() const;
SVGAnimatedNumber* azimuth() { return azimuth_.Get(); }
const SVGAnimatedNumber* azimuth() const { return azimuth_.Get(); }
SVGAnimatedNumber* elevation() { return elevation_.Get(); }
const SVGAnimatedNumber* elevation() const { return elevation_.Get(); }
SVGAnimatedNumber* x() { return x_.Get(); }
const SVGAnimatedNumber* x() const { return x_.Get(); }
SVGAnimatedNumber* y() { return y_.Get(); }
const SVGAnimatedNumber* y() const { return y_.Get(); }
SVGAnimatedNumber* z() { return z_.Get(); }
const SVGAnimatedNumber* z() const { return z_.Get(); }
SVGAnimatedNumber* pointsAtX() { return points_at_x_.Get(); }
const SVGAnimatedNumber* pointsAtX() const { return points_at_x_.Get(); }
SVGAnimatedNumber* pointsAtY() { return points_at_y_.Get(); }
const SVGAnimatedNumber* pointsAtY() const { return points_at_y_.Get(); }
SVGAnimatedNumber* pointsAtZ() { return points_at_z_.Get(); }
const SVGAnimatedNumber* pointsAtZ() const { return points_at_z_.Get(); }
SVGAnimatedNumber* specularExponent() { return specular_exponent_.Get(); }
const SVGAnimatedNumber* specularExponent() const {
return specular_exponent_.Get();
}
SVGAnimatedNumber* limitingConeAngle() { return limiting_cone_angle_.Get(); }
const SVGAnimatedNumber* limitingConeAngle() const {
return limiting_cone_angle_.Get();
}
void Trace(Visitor*) const override;
protected:
SVGFELightElement(const QualifiedName&, Document&);
private:
void SvgAttributeChanged(const QualifiedName&) final;
void ChildrenChanged(const ChildrenChange&) final;
bool LayoutObjectIsNeeded(const ComputedStyle&) const override {
return false;
}
Member<SVGAnimatedNumber> azimuth_;
Member<SVGAnimatedNumber> elevation_;
Member<SVGAnimatedNumber> x_;
Member<SVGAnimatedNumber> y_;
Member<SVGAnimatedNumber> z_;
Member<SVGAnimatedNumber> points_at_x_;
Member<SVGAnimatedNumber> points_at_y_;
Member<SVGAnimatedNumber> points_at_z_;
Member<SVGAnimatedNumber> specular_exponent_;
Member<SVGAnimatedNumber> limiting_cone_angle_;
};
template <>
inline bool IsElementOfType<const SVGFELightElement>(const Node& node) {
return IsA<SVGFELightElement>(node);
}
template <>
struct DowncastTraits<SVGFELightElement> {
static bool AllowFrom(const Node& node) {
auto* svg_element = DynamicTo<SVGElement>(node);
return svg_element && AllowFrom(*svg_element);
}
static bool AllowFrom(const SVGElement& svg_element) {
return svg_element.HasTagName(svg_names::kFEDistantLightTag) ||
svg_element.HasTagName(svg_names::kFEPointLightTag) ||
svg_element.HasTagName(svg_names::kFESpotLightTag);
}
};
} // namespace blink
#endif
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