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/* This file is part of the KDE Project
Copyright (C) 2000 Klaas Freitag <freitag@suse.de>
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 <tqpainter.h>
#include <tqpixmap.h>
#include "dispgamma.h"
DispGamma::DispGamma( TQWidget *parent ) : TQWidget( parent )
{
vals = 0;
margin = 10;
}
DispGamma::~DispGamma()
{
}
void DispGamma::resizeEvent (TQResizeEvent* )
{
repaint();
}
void DispGamma::paintEvent( TQPaintEvent *ev )
{
TQPainter p(this);
int w = vals->size() +1;
// Viewport auf margin setzen.
p.setViewport( margin, margin, width() - margin, height() - margin );
p.setWindow( 0, 255, w, -256 );
p.setClipRect( ev->rect());
p.setPen( colorGroup().highlight() );
p.setBrush( colorGroup().base() );
// Backgrond
p.drawRect( 0,0, w, 256 );
p.setPen( TQPen(colorGroup().midlight(), 1, DotLine));
// horizontal Grid
for( int l = 1; l < 5; l++ )
p.drawLine( 1, l*51, 255, l*51 );
// vertical Grid
for( int l = 1; l < 5; l++ )
p.drawLine( l*51, 2, l*51, 255 );
// draw gamma-Line
p.setPen( colorGroup().highlight() );
p.moveTo( 1, vals->at(1) );
for( int i = 2; i < w-1; i++ )
{
p.lineTo( i, vals->at(i) );
}
p.flush();
}
TQSize DispGamma::sizeHint( void )
{
return TQSize( 256 + 2*margin,256 + 2 * margin );
}
TQSizePolicy DispGamma::sizePolicy( void )
{
return TQSizePolicy( TQSizePolicy::MinimumExpanding, TQSizePolicy::MinimumExpanding );
}
#include "dispgamma.moc"
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