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86 lines
2.2 KiB
86 lines
2.2 KiB
/* This file is part of the KDE Project
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Copyright (C) 2000 Klaas Freitag <freitag@suse.de>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <tqpainter.h>
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#include <tqpixmap.h>
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#include "dispgamma.h"
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DispGamma::DispGamma( TQWidget *parent ) : TQWidget( parent )
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{
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vals = 0;
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margin = 10;
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}
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DispGamma::~DispGamma()
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{
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}
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void DispGamma::resizeEvent (TQResizeEvent* )
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{
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repaint();
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}
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void DispGamma::paintEvent( TQPaintEvent *ev )
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{
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TQPainter p(this);
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int w = vals->size() +1;
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// Viewport auf margin setzen.
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p.setViewport( margin, margin, width() - margin, height() - margin );
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p.setWindow( 0, 255, w, -256 );
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p.setClipRect( ev->rect());
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p.setPen( colorGroup().highlight() );
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p.setBrush( colorGroup().base() );
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// Backgrond
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p.drawRect( 0,0, w, 256 );
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p.setPen( TQPen(colorGroup().midlight(), 1, DotLine));
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// horizontal Grid
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for( int l = 1; l < 5; l++ )
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p.drawLine( 1, l*51, 255, l*51 );
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// vertical Grid
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for( int l = 1; l < 5; l++ )
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p.drawLine( l*51, 2, l*51, 255 );
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// draw gamma-Line
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p.setPen( colorGroup().highlight() );
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p.moveTo( 1, vals->at(1) );
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for( int i = 2; i < w-1; i++ )
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{
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p.lineTo( i, vals->at(i) );
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}
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p.flush();
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}
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TQSize DispGamma::sizeHint( void )
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{
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return TQSize( 256 + 2*margin,256 + 2 * margin );
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}
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TQSizePolicy DispGamma::sizePolicy( void )
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{
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return TQSizePolicy( TQSizePolicy::MinimumExpanding, TQSizePolicy::MinimumExpanding );
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}
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#include "dispgamma.moc"
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