kpresenter

KPrPiePreview.cpp

00001 // -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 4; -*-
00002 /* This file is part of the KDE project
00003    Copyright (C) 2005 Thorsten Zachmann <zachmann@kde.org>
00004    based on work by
00005    Copyright (C) 1998, 1999 Reginald Stadlbauer <reggie@kde.org>
00006 
00007    This library is free software; you can redistribute it and/or
00008    modify it under the terms of the GNU Library General Public
00009    License as published by the Free Software Foundation; either
00010    version 2 of the License, or (at your option) any later version.
00011 
00012    This library is distributed in the hope that it will be useful,
00013    but WITHOUT ANY WARRANTY; without even the implied warranty of
00014    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015    Library General Public License for more details.
00016 
00017    You should have received a copy of the GNU Library General Public License
00018    along with this library; see the file COPYING.LIB.  If not, write to
00019    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00020  * Boston, MA 02110-1301, USA.
00021 */
00022 
00023 #include "KPrPiePreview.h"
00024 
00025 #include <qpainter.h>
00026 
00027 KPrPiePreview::KPrPiePreview( QWidget* parent, const char* name )
00028     : QFrame( parent, name )
00029 {
00030     setFrameStyle( WinPanel | Sunken );
00031     setBackgroundColor( white );
00032     angle = 720; //45 * 16
00033     len = 1440; //90 * 16
00034     pen = QPen( black );
00035     brush = QBrush( white );
00036     type = PT_PIE;
00037 
00038     setMinimumSize( 200, 100 );
00039 }
00040 
00041 void KPrPiePreview::drawContents( QPainter* painter )
00042 {
00043     int ow = width() - 8;
00044     int oh = height() - 8;
00045 
00046     painter->setPen( pen );
00047     int pw = pen.width();
00048     painter->setBrush( brush );
00049 
00050     switch ( type )
00051     {
00052         case PT_PIE:
00053             painter->drawPie( pw + 4, pw + 4, ow - 2 * pw, oh - 2 * pw, angle, len );
00054             break;
00055         case PT_ARC:
00056             painter->drawArc( pw + 4, pw + 4, ow - 2 * pw, oh - 2 * pw, angle, len );
00057             break;
00058         case PT_CHORD:
00059             painter->drawChord( pw + 4, pw + 4, ow - 2 * pw, oh - 2 * pw, angle, len );
00060             break;
00061         default: 
00062             break;
00063     }
00064 }
00065 
00066 #include "KPrPiePreview.moc"
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