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/*
* Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
*
* 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_ANGLE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_ANGLE_H_
#include "third_party/blink/renderer/core/svg/properties/svg_property.h"
#include "third_party/blink/renderer/core/svg/svg_enumeration.h"
#include "third_party/blink/renderer/core/svg/svg_parsing_error.h"
#include "third_party/blink/renderer/platform/heap/forward.h"
#include "third_party/blink/renderer/platform/heap/member.h"
#include "third_party/blink/renderer/platform/wtf/casting.h"
namespace blink {
class SVGAngle;
class SVGAngleTearOff;
enum SVGMarkerOrientType {
kSVGMarkerOrientUnknown = 0,
kSVGMarkerOrientAuto,
kSVGMarkerOrientAngle,
kSVGMarkerOrientAutoStartReverse
};
DECLARE_SVG_ENUM_MAP(SVGMarkerOrientType);
class SVGAngle final : public SVGPropertyBase {
public:
typedef SVGAngleTearOff TearOffType;
enum SVGAngleType {
kSvgAngletypeUnknown = 0,
kSvgAngletypeUnspecified = 1,
kSvgAngletypeDeg = 2,
kSvgAngletypeRad = 3,
kSvgAngletypeGrad = 4,
kSvgAngletypeTurn = 5
};
SVGAngle();
SVGAngle(SVGAngleType, float, SVGMarkerOrientType);
~SVGAngle() override;
SVGAngleType UnitType() const { return unit_type_; }
void SetValue(float);
float Value() const;
// Technically speaking, we don't need any bits (it's always the
// same), but we want SetInitial to be called.
static constexpr int kInitialValueBits = 1;
void SetInitial(unsigned) {
NewValueSpecifiedUnits(kSvgAngletypeUnspecified, 0);
}
void SetValueInSpecifiedUnits(float value_in_specified_units) {
NewValueSpecifiedUnits(unit_type_, value_in_specified_units);
}
float ValueInSpecifiedUnits() const { return value_in_specified_units_; }
void NewValueSpecifiedUnits(SVGAngleType unit_type,
float value_in_specified_units);
void ConvertToSpecifiedUnits(SVGAngleType unit_type);
SVGEnumeration* OrientType() { return orient_type_.Get(); }
SVGMarkerOrientType OrientTypeValue() const;
bool IsNumeric() const;
void OrientTypeChanged();
// SVGPropertyBase:
SVGAngle* Clone() const;
String ValueAsString() const override;
SVGParsingError SetValueAsString(const String&);
void Add(const SVGPropertyBase*, const SVGElement*) override;
void CalculateAnimatedValue(
const SMILAnimationEffectParameters&,
float percentage,
unsigned repeat_count,
const SVGPropertyBase* from,
const SVGPropertyBase* to,
const SVGPropertyBase* to_at_end_of_duration_value,
const SVGElement* context_element) override;
float CalculateDistance(const SVGPropertyBase* to,
const SVGElement* context_element) const override;
static AnimatedPropertyType ClassType() { return kAnimatedAngle; }
AnimatedPropertyType GetType() const override { return ClassType(); }
void Trace(Visitor*) const override;
private:
void Assign(const SVGAngle&);
SVGAngleType unit_type_;
float value_in_specified_units_;
Member<SVGEnumeration> orient_type_;
};
template <>
struct DowncastTraits<SVGAngle> {
static bool AllowFrom(const SVGPropertyBase& value) {
return value.GetType() == SVGAngle::ClassType();
}
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_ANGLE_H_
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