- include math.h for sin() and cos()

1 files changed, 2 insertions, 0 deletions

diff --git a/noncore/apps/checkbook/graph.cpp b/noncore/apps/checkbook/graph.cpp
index a0d8b78..0f25453 100644
--- a/noncore/apps/checkbook/graph.cpp
+++ b/noncore/apps/checkbook/graph.cpp
@@ -1,179 +1,181 @@
 /*
                              This file is part of the OPIE Project
                =.
              .=l.            Copyright (c)  2002 Dan Williams <williamsdr@acm.org>
            .>+-=
  _;:,     .>    :=|.         This file is free software; you can
 .> <`_,   >  .   <=          redistribute it and/or modify it under
 :`=1 )Y*s>-.--   :           the terms of the GNU General Public
 .="- .-=="i,     .._         License as published by the Free Software
  - .   .-<_>     .<>         Foundation; either version 2 of the License,
      ._= =}       :          or (at your option) any later version.
     .%`+i>       _;_.
     .i_,=:_.      -<s.       This file 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 file;
   -_. . .   )=.  =           see the file COPYING. If not, write to the
     --        :-=`           Free Software Foundation, Inc.,
                              59 Temple Place - Suite 330,
                              Boston, MA 02111-1307, USA.
 
 */
 
 #include "graph.h"
 #include "graphinfo.h"
 
 #include <qcolor.h>
 #include <qfontmetrics.h>
 #include <qpainter.h>
 
+#include <math.h>
+
 Graph::Graph( QWidget *parent, GraphInfo *d, const QString &name, int flags )
 	: QWidget( parent, name, flags )
 {
 	data = d;
 
 	graph.setOptimization( QPixmap::BestOptim );
 }
 
 void Graph::setGraphInfo( GraphInfo *d )
 {
 	data = d;
 }
 
 void Graph::drawGraph( bool regen )
 {
 	if ( regen )
 	{
 		initGraph();
 	}
 	QPainter p( this );
 	p.drawPixmap( 0, 0, graph );
 }
 
 void Graph::paintEvent( QPaintEvent * )
 {
 	drawGraph( FALSE );
 }
 
 void Graph::resizeEvent( QResizeEvent * )
 {
 	drawGraph( TRUE );
 }
 
 void Graph::initGraph()
 {
 	graph.resize( width(), height() );
 	graph.fill( QColor( 255, 255, 255 ) );
 
 	if ( !data )
 	{
 		return;
 	}
 
 	// Any common stuff here (titles, ???)
 
 	switch ( data->graphType() )
 	{
 		case GraphInfo::BarChart :
 		{
 			drawBarChart( width(), height(), data->maxValue() );
 		}
 		break;
 		case GraphInfo::LineChart :
 		{
 			//drawLineChart( p, s, min, max );
 		}
 		break;
 		case GraphInfo::PieChart :
 		{
 			drawPieChart( width(), height(), data->totalValue() );
 		}
 	};
 }
 
 void Graph::drawBarChart( int width, int height, float max )
 {
 	QPainter p( &graph );
 
 	// Try to set the font size smaller for text
 	QFont f = font();
 	f.setPointSize( 8 );
 	p.setFont( f );
 
 	int x = 0;
 	int i = 0;
 	int n = data->numberDataPoints();
 	QFontMetrics fm=fontMetrics();
 	int fh = fm.height();
 	int fw;
 
 	QColor c( 0, 0, 255);
 	p.setBrush( c );
 
 	for (DataPointInfo *dp = data->firstDataPoint(); dp; dp = data->nextDataPoint() )
 	{
 		int bw = ( width - width / 4 - x ) / ( n - i );
 		int bh = int( ( height - height / 4 - 1 ) * dp->value() / max );
 		p.drawRect( width / 8 + x, height - height / 8 - 1 - bh, bw, bh );
 		fw = fm.width( dp->label() );
 		p.drawText( width / 8 + x - fw / 2 + bw / 2, height - height / 8, fw,
 					fh + height / 8, AlignTop | AlignHCenter, dp->label() );
 //					WordBreak | AlignTop | AlignHCenter, dp->label() );
 		i++;
 		x += bw;
 	}
 }
 
 void Graph::drawLineChart( int width, int height, float max )
 {
 }
 
 void Graph::drawPieChart( int width, int height, float sum )
 {
 	QPainter p( &graph );
 
 	// Try to set the font size smaller for text
 	QFont f = font();
 	f.setPointSize( 8 );
 	p.setFont( f );
 
 	int n = data->numberDataPoints();
 
 	int apos = -90 * 16;
 
 	int xd = width - width / 5;
 	int yd = height - height / 5;
 
 	int i = 0;
 
 	QColor c;
 
 	for (DataPointInfo *dp = data->firstDataPoint(); dp; dp = data->nextDataPoint() )
 	{
 		c.setHsv( ( i *255) / n, 255, 255 );
 		p.setBrush( c );
 
 		int a = int( ( dp->value() * 360.0 ) / sum * 16.0 + 0.5 );
 		p.drawPie( width/10, height/10, xd, yd, -apos, -a );
 		apos += a;
 		i++;
 	}
 
 	double apos2 = -90 * 3.14159 / 180;
 	for (DataPointInfo *dp = data->firstDataPoint(); dp; dp = data->nextDataPoint() )
 	{
 		double a = dp->value() *360 / sum * 3.14159 / 180;
 		int x = int( cos( apos2 + a/2 ) * width * 5/16 + width/2 + 0.5 );
 		int y = int( sin( apos2 + a/2 ) * height * 5/16 + height/2 + 0.5 );
 		p.drawText( x - width/8, y - height/8, width/4, height/4, WordBreak | AlignCenter,
 					dp->label() );
 		apos2 += a;
 	}
 }