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/*
* Kivio - Visual Modelling and Flowcharting
* Copyright (C) 2000-2001 theKompany.com & Dave Marotti
*
* 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.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "kivio_gradient.h"
#include "kivio_point.h"
/**
* Default constructor
*
* Allocates a new list of colors, and a new list of points for the
* gradient. Also, sets the gradient type to none.
*/
KivioGradient::KivioGradient()
: m_pColors(NULL),
m_pPoints(NULL)
{
// Allocate the color list
m_pColors = new TQPtrList<TQColor>;
m_pColors->setAutoDelete(true);
// Allocate the point list
m_pPoints = new TQPtrList<KivioPoint>;
m_pPoints->setAutoDelete(true);
m_gradientType = kgtNone;
}
/**
* Destructor
*
* Deletes the color and point lists.
*/
KivioGradient::~KivioGradient()
{
if( m_pColors )
{
delete m_pColors;
m_pColors = NULL;
}
if( m_pPoints )
{
delete m_pPoints;
m_pPoints = NULL;
}
}
/**
* Copy constructor
*
* @param source The source @ref KivioGradient to copy from
*
* This creates a new KivioGradient as a copy of source. New colors
* and points are allocated.
*/
KivioGradient::KivioGradient( const KivioGradient &source )
: m_pColors(NULL),
m_pPoints(NULL)
{
m_gradientType = source.m_gradientType;
// Duplicate the colors list
TQColor *pColor;
m_pColors = new TQPtrList<TQColor>;
pColor = source.m_pColors->first();
while( pColor )
{
m_pColors->append( new TQColor(*pColor) );
pColor = source.m_pColors->next();
}
// Duplicate the point list
KivioPoint *pPoint;
m_pPoints = new TQPtrList<KivioPoint>;
pPoint = source.m_pPoints->first();
while( pPoint )
{
m_pPoints->append( new KivioPoint( *pPoint ) );
pPoint = source.m_pPoints->next();
}
}
/**
* Copy all attributes of this into pTarget
*
* @param pTarget The object to copy into
*
* This will copy all colors/points/everything-else into pTarget.
*/
void KivioGradient::copyInto( KivioGradient *pTarget ) const
{
if( !pTarget )
return;
// Copy the gradient type
pTarget->m_gradientType = m_gradientType;
// Delete the old color array if we have one
if( pTarget->m_pColors )
{
delete pTarget->m_pColors;
pTarget->m_pColors = NULL;
}
// Allocate a new color array
pTarget->m_pColors = new TQPtrList<TQColor>;
pTarget->m_pColors->setAutoDelete(true);
// Copy the colors
TQColor *pColor;
pColor = m_pColors->first();
while( pColor )
{
pTarget->m_pColors->append( new TQColor(*pColor) );
pColor = m_pColors->next();
}
if( pTarget->m_pPoints )
{
delete pTarget->m_pPoints;
pTarget->m_pPoints = NULL;
}
pTarget->m_pPoints = new TQPtrList<KivioPoint>;
pTarget->m_pPoints->setAutoDelete(true);
KivioPoint *pPoint;
pPoint = m_pPoints->first();
while( pPoint )
{
pTarget->m_pPoints->append( new KivioPoint( *pPoint ) );
pPoint = m_pPoints->next();
}
}
/**
* Load this object from an XML element
*
* FIXME: Implement this
*/
bool KivioGradient::loadXML( const TQDomElement & )
{
return false;
}
/**
* Save this object to an XML element
*
* FIXME: Implement this
*/
TQDomElement KivioGradient::saveXML( TQDomDocument &doc )
{
return doc.createElement("KivioGradient");
}
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