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102 lines
2.6 KiB
102 lines
2.6 KiB
15 years ago
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/*
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**************************************************************************
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description
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--------------------
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copyright : (C) 2000-2001 by Andreas Zehender
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email : zehender@kde.org
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**************************************************************************
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**************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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**************************************************************************/
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#ifndef PMVALUE_H
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#define PMVALUE_H
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "pmvector.h"
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enum PMValueType { PMVFloat, PMVVector, PMVColor };
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/**
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* Helper class for parsing numeric expressions because wo don't know
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* at begin of an expression, which type it is.
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*
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* Colors are stored as 5D vectors.
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*/
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class PMValue
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{
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public:
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/**
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* Creates a PMValue with type PMVFloat and value 0.0
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*/
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PMValue( ) : m_v( 0 ) { m_d = 0.0; m_type = PMVFloat; }
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/**
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* Copy constructor
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*/
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PMValue( const PMValue& v )
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{
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m_type = v.m_type;
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m_d = v.m_d;
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m_v = v.m_v;
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}
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/**
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* Returns the type of the value.
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* Values can be PMVFloat, PMVVector, PMVColor
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*/
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PMValueType type( ) const { return m_type; }
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/**
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* Sets the float value and sets the type to PMVFloat
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*/
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void setFloat( const double d ) { m_d = d; m_type = PMVFloat; }
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/**
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* Sets the vector value and sets the type to PMVVector
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*/
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void setVector( const PMVector& v ) { m_v = v; m_type = PMVVector; }
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/**
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* Sets the color value and sets the type to PMVColor
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*/
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void setColor( const PMVector& v ) { m_v = v; m_type = PMVColor; }
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/**
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* Returns the float value
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*/
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double floatValue( ) const { return m_d; }
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/**
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* Returns the vector value
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*/
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PMVector vector( ) const { return m_v; }
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/**
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* Returns the color value
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*/
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PMVector color( ) const { return m_v; }
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/**
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* Assigns v to the value
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*/
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PMValue& operator= ( const PMValue& v )
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{
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m_type = v.m_type;
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m_d = v.m_d;
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m_v = v.m_v;
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return *this;
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}
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private:
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PMValueType m_type;
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double m_d;
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PMVector m_v;
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};
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#endif
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