/* | |
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 |