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/*
Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
2004, 2005, 2006 Rob Buis <buis@kde.org>
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 SVGLength_h
#define SVGLength_h
#if ENABLE(SVG)
#include "PlatformString.h"
namespace WebCore {
enum SVGLengthType {
LengthTypeUnknown = 0,
LengthTypeNumber = 1,
LengthTypePercentage = 2,
LengthTypeEMS = 3,
LengthTypeEXS = 4,
LengthTypePX = 5,
LengthTypeCM = 6,
LengthTypeMM = 7,
LengthTypeIN = 8,
LengthTypePT = 9,
LengthTypePC = 10
};
enum SVGLengthMode {
LengthModeWidth = 0,
LengthModeHeight,
LengthModeOther
};
class SVGElement;
class SVGLength {
public:
// Forward declare these enums in the w3c naming scheme, for IDL generation
enum {
SVG_LENGTHTYPE_UNKNOWN = LengthTypeUnknown,
SVG_LENGTHTYPE_NUMBER = LengthTypeNumber,
SVG_LENGTHTYPE_PERCENTAGE = LengthTypePercentage,
SVG_LENGTHTYPE_EMS = LengthTypeEMS,
SVG_LENGTHTYPE_EXS = LengthTypeEXS,
SVG_LENGTHTYPE_PX = LengthTypePX,
SVG_LENGTHTYPE_CM = LengthTypeCM,
SVG_LENGTHTYPE_MM = LengthTypeMM,
SVG_LENGTHTYPE_IN = LengthTypeIN,
SVG_LENGTHTYPE_PT = LengthTypePT,
SVG_LENGTHTYPE_PC = LengthTypePC
};
SVGLength(SVGLengthMode mode = LengthModeOther, const String& valueAsString = String());
SVGLengthType unitType() const;
float value(const SVGElement* context) const;
void setValue(float);
float valueInSpecifiedUnits() const;
void setValueInSpecifiedUnits(float);
float valueAsPercentage() const;
String valueAsString() const;
bool setValueAsString(const String&);
void newValueSpecifiedUnits(unsigned short, float valueInSpecifiedUnits);
void convertToSpecifiedUnits(unsigned short, const SVGElement* context);
// Helper functions
static float PercentageOfViewport(float value, const SVGElement* context, SVGLengthMode);
inline bool isRelative() const
{
SVGLengthType type = unitType();
return (type == LengthTypePercentage || type == LengthTypeEMS || type == LengthTypeEXS);
}
private:
float m_valueInSpecifiedUnits;
unsigned int m_unit;
};
} // namespace WebCore
#endif // ENABLE(SVG)
#endif // SVGLength_h
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