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84 lines
2.6 KiB
C++
84 lines
2.6 KiB
C++
/*
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Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
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2004, 2005, 2006 Rob Buis <buis@kde.org>
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This file is part of the KDE project
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef SVGAngle_h
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#define SVGAngle_h
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#if ENABLE(SVG)
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//#include "PlatformString.h"
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#include "wtf/RefCounted.h"
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#include "SVGNames.h"
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namespace WebCore {
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class SVGStyledElement;
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class SVGAngle : public RefCounted<SVGAngle> {
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public:
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SVGAngle();
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virtual ~SVGAngle();
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enum SVGAngleType {
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SVG_ANGLETYPE_UNKNOWN = 0,
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SVG_ANGLETYPE_UNSPECIFIED = 1,
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SVG_ANGLETYPE_DEG = 2,
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SVG_ANGLETYPE_RAD = 3,
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SVG_ANGLETYPE_GRAD = 4
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};
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SVGAngleType unitType() const;
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void setValue(float);
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float value() const;
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void setValueInSpecifiedUnits(float valueInSpecifiedUnits);
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float valueInSpecifiedUnits() const;
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void setValueAsString(const String&);
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String valueAsString() const;
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void newValueSpecifiedUnits(unsigned short unitType, float valueInSpecifiedUnits);
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void convertToSpecifiedUnits(unsigned short unitType);
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// Helpers
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static double todeg(double rad);
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static double torad(double deg);
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// Returns the angle that divides the shortest arc between the two angles.
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static double shortestArcBisector(double angle1, double angle2);
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// Throughout SVG 1.1 'SVGAngle' is only used for 'SVGMarkerElement' (orient-angle)
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const QualifiedName& associatedAttributeName() const { return SVGNames::orientAttr; }
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private:
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SVGAngleType m_unitType;
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float m_value;
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float m_valueInSpecifiedUnits;
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mutable String m_valueAsString;
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void calculate();
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};
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} // namespace WebCore
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#endif // ENABLE(SVG)
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#endif // SVGAngle_h
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