File indexing completed on 2024-04-28 15:24:34

 /*
     Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
                   2004, 2005, 2006 Rob Buis <buis@kde.org>
 
     This file is part of the KDE project
 
     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"
 #include "Document.h"
 
 namespace WebCore
 {
 
 class SVGStyledElement;
 
 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 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(const SVGStyledElement *context = nullptr, SVGLengthMode mode = LengthModeOther, const String &valueAsString = String());
 
     // 'SVGLength' functions
     SVGLengthType unitType() const;
 
     float value() 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);
 
     // Helper functions
     static float PercentageOfViewport(float value, const SVGStyledElement *, SVGLengthMode);
 
     inline bool isRelative() const
     {
         SVGLengthType type = unitType();
         return (type == LengthTypePercentage || type == LengthTypeEMS || type == LengthTypeEXS);
     }
 
 private:
     float m_valueInSpecifiedUnits;
     unsigned int m_unit;
 
     const SVGStyledElement *m_context;
 };
 
 } // namespace WebCore
 
 #endif // ENABLE(SVG)
 #endif // SVGLength_h