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mirror of https://github.com/fralx/LimeReport.git synced 2024-12-25 17:14:40 +03:00
LimeReport/limereport/items/charts/lrhorizontalbarchart.cpp
2022-01-05 12:13:05 +01:00

71 lines
2.7 KiB
C++

#include "lrhorizontalbarchart.h"
namespace LimeReport{
void HorizontalBarChart::paintChart(QPainter *painter, QRectF chartRect)
{
updateMinAndMaxValues();
const qreal valuesVMargin = this->valuesVMargin(painter);
QRectF calcRect = verticalLabelsRect(painter, chartRect.adjusted(
hPadding(chartRect),
vPadding(chartRect) * 2,
-(chartRect.width() * 0.9),
-(vPadding(chartRect) * 2 + valuesVMargin)
));
qreal barsShift = calcRect.width();
paintHorizontalGrid(painter, chartRect.adjusted(
hPadding(chartRect) + barsShift,
vPadding(chartRect),
-(hPadding(chartRect)),-vPadding(chartRect)));
paintHorizontalBars(painter, chartRect.adjusted(
hPadding(chartRect) + barsShift,
vPadding(chartRect) * 2,
-(hPadding(chartRect)),
-(vPadding(chartRect) * 2) ));
paintVerticalLabels(painter, calcRect);
}
void HorizontalBarChart::paintHorizontalBars(QPainter *painter, QRectF barsRect)
{
if (seriesCount() == 0) return;
painter->save();
painter->setRenderHint(QPainter::Antialiasing,false);
int delta = int(maxValue()-minValue());
delta = genNextValue(delta);
qreal vStep = (barsRect.height()-painter->fontMetrics().height()) / valuesCount() / seriesCount();
qreal hStep = (barsRect.width()-painter->fontMetrics().boundingRect(QString::number(maxValue())).width()) / delta;
if (!m_chartItem->series().isEmpty() && (m_chartItem->itemMode() != DesignMode)){
int curSeries = 0;
foreach (SeriesItem* series, m_chartItem->series()) {
qreal curVOffset = curSeries*vStep+barsRect.top();
painter->setBrush(series->color());
foreach (qreal value, series->data()->values()) {
painter->drawRect(QRectF((-minValue()*hStep)+barsRect.left(), curVOffset, value*hStep, vStep));
curVOffset+=vStep*seriesCount();
}
curSeries++;
}
} else {
qreal curVOffset = barsRect.top();
int curColor = 0;
for (int i=0; i<9; ++i){
if (curColor==3) curColor=0;
painter->setBrush(color_map[curColor]);
painter->drawRect(QRectF(barsRect.left(), curVOffset, designValues()[i]*hStep, vStep));
curVOffset+=vStep;
curColor++;
}
}
painter->restore();
}
}