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/*
**************************************************************************
description
--------------------
copyright : (C) 2000-2001 by Andreas Zehender
email : [email protected]
**************************************************************************
**************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
**************************************************************************/
#include "pmcolor.h"
#include "pmvector.h"
#include "pmmath.h"
#include "pmdebug.h"
#include <textstream.h>
#include <tqstring.h>
PMColor::PMColor( )
{
int i;
for( i = 0; i < 5; i++ )
m_colorValue[i] = 0;
}
PMColor::PMColor( const double red, const double green, const double blue,
const double filter, const double transmit )
{
m_colorValue[0] = red;
m_colorValue[1] = green;
m_colorValue[2] = blue;
m_colorValue[3] = filter;
m_colorValue[4] = transmit;
}
PMColor::PMColor( const double red, const double green, const double blue )
{
m_colorValue[0] = red;
m_colorValue[1] = green;
m_colorValue[2] = blue;
m_colorValue[3] = 0;
m_colorValue[4] = 0;
}
PMColor::PMColor( const PMVector& v )
{
int i;
if( v.size( ) != 5 )
{
kdError( PMArea ) << "Vector has wrong size in PMColor::PMColor( const PMVector& v )\n";
for( i = 0; i < 5; i++ )
m_colorValue[i] = 0;
}
else
{
for( i = 0; i < 5; i++ )
m_colorValue[i] = v[i];
}
}
PMColor::PMColor( const TQColor& c )
{
m_colorValue[0] = c.red( ) / 255.0;
m_colorValue[1] = c.green( ) / 255.0;
m_colorValue[2] = c.blue( ) / 255.0;
m_colorValue[3] = 0.0;
m_colorValue[4] = 0.0;
}
TQColor PMColor::toTQColor( ) const
{
double r, g, b, max = 0;
r = red( );
g = green( );
b = blue( );
if( r < 0 ) r = 0;
if( g < 0 ) g = 0;
if( b < 0 ) b = 0;
if( r > max )
max = r;
if( g > max )
max = g;
if( b > max )
max = b;
if( max > 1 )
{
r /= max;
g /= max;
b /= max;
}
return TQColor( ( int ) ( r * 255 + 0.5 ), ( int ) ( g * 255 + 0.5 ),
( int ) ( b * 255 + 0.5 ) );
}
TQString PMColor::serialize( bool addColorKeyword ) const
{
TQString result;
TQTextStream str( &result, IO_WriteOnly );
if( addColorKeyword )
str << "color ";
if( approxZero( m_colorValue[4] ) )
{
if( approxZero( m_colorValue[3] ) )
{
// rgb
str << "rgb <" << m_colorValue[0] << ", " << m_colorValue[1] << ", "
<< m_colorValue[2] << '>';
}
else
{
// rgbf
str << "rgbf <" << m_colorValue[0] << ", " << m_colorValue[1] << ", "
<< m_colorValue[2] << ", " << m_colorValue[3] << '>';
}
}
else
{
if( approxZero( m_colorValue[3] ) )
{
// rgbt
str << "rgbt <" << m_colorValue[0] << ", " << m_colorValue[1] << ", "
<< m_colorValue[2] << ", " << m_colorValue[4] << '>';
}
else
{
// rgbft
str << "rgbft <" << m_colorValue[0] << ", " << m_colorValue[1] << ", "
<< m_colorValue[2] << ", " << m_colorValue[3]
<< ", " << m_colorValue[4] << '>';
}
}
return result;
}
TQString PMColor::serializeXML( ) const
{
TQString result;
TQTextStream str( &result, IO_WriteOnly );
int i;
for( i = 0; i < 5; i++ )
{
if( i != 0 )
str << ' ';
str << m_colorValue[i];
}
return result;
}
bool PMColor::operator!= ( const PMColor& c ) const
{
return !( *this == c );
}
bool PMColor::operator== ( const PMColor& c ) const
{
unsigned int i;
for( i = 0; i < 5; i++ )
if( c.m_colorValue[i] != m_colorValue[i] )
return false;
return true;
}
bool PMColor::loadXML( const TQString& str )
{
TQString tmp( str );
TQTextStream s( &tmp, IO_ReadOnly );
TQString val;
bool ok;
int i;
for( i = 0; i < 5; i++ )
{
s >> val;
m_colorValue[i] = val.toDouble( &ok );
if( !ok )
return false;
}
return true;
}
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