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path: root/noncore/apps/checkbook/graph.cpp
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Diffstat (limited to 'noncore/apps/checkbook/graph.cpp') (more/less context) (show whitespace changes)
-rw-r--r--noncore/apps/checkbook/graph.cpp17
1 files changed, 10 insertions, 7 deletions
diff --git a/noncore/apps/checkbook/graph.cpp b/noncore/apps/checkbook/graph.cpp
index 389972e..72da738 100644
--- a/noncore/apps/checkbook/graph.cpp
+++ b/noncore/apps/checkbook/graph.cpp
@@ -79,23 +79,23 @@ void Graph::initGraph()
// Any common stuff here (titles, ???)
switch ( data->graphType() )
{
case GraphInfo::BarChart :
{
- drawBarChart( width(), height(), data->maxValue() );
+ drawBarChart( width(), height(), data->maxValue(), data->minValue() );
}
break;
case GraphInfo::PieChart :
{
drawPieChart( width(), height(), data->totalValue() );
}
};
}
-void Graph::drawBarChart( int width, int height, float max )
+void Graph::drawBarChart( int width, int height, float max, float min )
{
QPainter p( &graph );
// Try to set the font size smaller for text
QFont f = font();
f.setPointSize( 8 );
@@ -108,21 +108,24 @@ void Graph::drawBarChart( int width, int height, float max )
int fh = fm.height();
int fw;
QColor c( 0, 0, 255);
p.setBrush( c );
+ if ( min > 0 )
+ min = 0.0;
+
+ int bw = ( width - width / 4 ) / n;
+ int hoffset = int( ( height - height / 4 - 1 ) * ( min * -1 ) / ( max - min ) );
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 );
+ int bh = int( ( height - height / 4 - 1 ) * dp->value() / ( max - min ) );
+ p.drawRect( width / 8 + x, height - height / 8 - 1 - hoffset - bh, bw, bh );
fw = fm.width( dp->label() );
- p.drawText( width / 8 + x - fw / 2 + bw / 2, height - height / 8, fw,
+ p.drawText( width / 8 + x - fw / 2 + bw / 2, height - height / 8 - hoffset, fw,
fh + height / 8, AlignTop | AlignHCenter, dp->label() );
-// WordBreak | AlignTop | AlignHCenter, dp->label() );
i++;
x += bw;
}
}
void Graph::drawPieChart( int width, int height, float sum )