##// END OF EJS Templates
added labels to barcharts
added labels to barcharts

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r114:a235f6009c27
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bar.cpp
66 lines | 1.3 KiB | text/x-c | CppLexer
#include "bar.h"
#include <QDebug>
#include <QPainter>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
Bar::Bar(QGraphicsItem *parent)
: ChartItem(parent)
{
}
void Bar::setSize(const QSize& size)
{
mWidth = size.width();
mHeight = size.height();
}
void Bar::setPlotDomain(const PlotDomain& data)
{
mPlotDomain = data;
}
void Bar::resize( qreal w, qreal h )
{
// qDebug() << "bar::resize" << w << h;
mWidth = w;
mHeight = h;
}
void Bar::setColor( QColor col )
{
mColor = col;
}
void Bar::setPos(qreal x, qreal y)
{
// qDebug() << "Bar::setpos" << x << y;
mXpos = x;
mYpos = y;
}
void Bar::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
if (0 == mHeight) {
return;
}
// TODO: accept brush instead of color
QBrush brush(mColor);
painter->setBrush(brush);
// This compensates for rounding errors. drawRect takes ints and cumulative error of pos + size may be over 1.
int x0 = mXpos;
int x1 = (mXpos + mWidth);
int w = x1-x0;
int y0 = mYpos;
int y1 = (mYpos + mHeight);
int h = y1-y0;
painter->drawRect(x0, y0 ,w ,h);
}
QRectF Bar::boundingRect() const
{
QRectF r(mXpos, mYpos, mXpos + mWidth, mYpos + mHeight);
return r;
}
QTCOMMERCIALCHART_END_NAMESPACE