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koffice/karbon/core/vpattern.cc

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3.2 KiB

/* This file is part of the KDE project
Copyright (C) 2002, The Karbon Developers
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.
*/
#include <tqdom.h>
#include "vpattern.h"
#include <tqpixmap.h>
#define THUMB_SIZE 30
VPattern::VPattern()
{
m_valid = false;
validThumb = false;
}
VPattern::VPattern( const TQString &tilename )
{
load( tilename );
}
void
VPattern::load( const TQString &tilename )
{
m_tilename = tilename;
bool ok = m_image.load( tilename );
if( !ok )
{
m_valid = false;
return;
}
m_image = m_image.convertDepth( 32 );
m_pixmap.convertFromImage(m_image, TQPixmap::AutoColor);
if( m_image.width() > THUMB_SIZE || m_image.height() > THUMB_SIZE )
{
int xsize = THUMB_SIZE;
int ysize = THUMB_SIZE;
int picW = m_image.width();
int picH = m_image.height();
if( picW > picH )
{
float yFactor = (float)((float)(float)picH/(float)picW);
ysize = (int)(yFactor * (float)THUMB_SIZE);
if(ysize > 30) ysize = 30;
}
else if( picW < picH )
{
float xFactor = (float)((float)picW/(float)picH);
xsize = (int)(xFactor * (float)THUMB_SIZE);
if(xsize > 30) xsize = 30;
}
TQImage thumbImg = m_image.smoothScale( xsize, ysize );
m_pixmapThumb.convertFromImage( thumbImg );
validThumb = true;
}
m_valid = !m_image.isNull();
}
unsigned char *
VPattern::pixels()
{
return m_image.bits();
}
unsigned int
VPattern::tileWidth() const
{
return m_image.width();
}
unsigned int
VPattern::tileHeight() const
{
return m_image.height();
}
void
VPattern::save( TQDomElement& element ) const
{
TQDomElement me = element.ownerDocument().createElement( "PATTERN" );
me.setAttribute( "originX", m_origin.x() );
me.setAttribute( "originY", m_origin.y() );
me.setAttribute( "vectorX", m_vector.x() );
me.setAttribute( "vectorY", m_vector.y() );
me.setAttribute( "tilename", m_tilename );
element.appendChild( me );
}
void
VPattern::load( const TQDomElement& element )
{
m_origin.setX( element.attribute( "originX", "0.0" ).toDouble() );
m_origin.setY( element.attribute( "originY", "0.0" ).toDouble() );
m_vector.setX( element.attribute( "vectorX", "0.0" ).toDouble() );
m_vector.setY( element.attribute( "vectorY", "0.0" ).toDouble() );
m_tilename = element.attribute( "tilename" );
load( m_tilename );
}
void
VPattern::transform( const TQWMatrix &m )
{
m_origin = m_origin.transform( m );
m_vector = m_vector.transform( m );
}
TQPixmap& VPattern::pixmap() const
{
return (TQPixmap&)m_pixmap;
}
TQPixmap& VPattern::thumbPixmap() const
{
return (TQPixmap&)m_pixmapThumb;
}