Handle horizontal bars

This commit is contained in:
Emil Sawicki 2022-01-27 19:20:44 +01:00
parent 5dac77083f
commit d0830a7a37
2 changed files with 29 additions and 14 deletions

View File

@ -20,7 +20,9 @@ void HorizontalBarChart::paintChart(QPainter *painter, QRectF chartRect)
paintHorizontalGrid(painter, chartRect.adjusted(
hPadding(chartRect) + barsShift,
vPadding(chartRect),
-(hPadding(chartRect)),-vPadding(chartRect)));
-(hPadding(chartRect)),
-vPadding(chartRect)));
paintHorizontalBars(painter, chartRect.adjusted(
hPadding(chartRect) + barsShift,
vPadding(chartRect) * 2,
@ -36,25 +38,33 @@ void HorizontalBarChart::paintHorizontalBars(QPainter *painter, QRectF barsRect)
painter->save();
painter->setRenderHint(QPainter::Antialiasing,false);
const AxisData &yAxisData = this->yAxisData();
const qreal delta = yAxisData.delta();
qreal vStep = (barsRect.height()-painter->fontMetrics().height()) / valuesCount() / seriesCount();
const qreal verticalOffset = painter->fontMetrics().height();
qreal vStep = (barsRect.height() - verticalOffset) / 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();
qreal curVOffset = barsRect.top();
if (m_chartItem->horizontalAxisOnTop()) {
curVOffset += verticalOffset;
}
curSeries++;
foreach (SeriesItem* series, m_chartItem->series()) {
painter->setBrush(series->color());
qreal y = curVOffset;
foreach (qreal value, series->data()->values()) {
painter->drawRect(QRectF((-minValue()*hStep)+barsRect.left(), y, value*hStep, vStep));
y+=vStep*seriesCount();
}
curVOffset += vStep;
}
} else {
qreal curVOffset = barsRect.top();
if (m_chartItem->horizontalAxisOnTop()) {
curVOffset += verticalOffset;
}
int curColor = 0;
for (int i=0; i<9; ++i){
if (curColor==3) curColor=0;

View File

@ -633,7 +633,6 @@ void AbstractSeriesChart::updateMinAndMaxValues()
m_yAxisData = AxisData(minYValue, maxYValue);
m_xAxisData = AxisData(minXValue, maxXValue);
m_xAxisData.setReverseDirection(true);
}
qreal AbstractSeriesChart::hPadding(QRectF chartRect)
@ -761,13 +760,18 @@ void AbstractSeriesChart::paintHorizontalGrid(QPainter *painter, QRectF gridRect
painter->setFont(adaptValuesFont(hStep-4, painter->font()));
QPointF textPos;
if (m_chartItem->horizontalAxisOnTop()) {
textPos.setY(gridRect.top());
} else {
textPos.setY(gridRect.bottom() - painter->fontMetrics().height());
}
for (int i = 0 ; i < lineCount ; i++ ) {
painter->drawText(QRectF(gridRect.left() + 4 + hStep * i, gridRect.bottom() - painter->fontMetrics().height(),
hStep, painter->fontMetrics().height()),
const qreal x = gridRect.left() + hStep * i;
textPos.setX(x + 4);
painter->drawText(QRectF(textPos, QSizeF(hStep, painter->fontMetrics().height())),
axisLabel(i, yAxisData));
painter->drawLine( gridRect.left()+hStep*i, gridRect.bottom(),
gridRect.left()+hStep*i, gridRect.top());
painter->drawLine(x, gridRect.bottom(), x, gridRect.top());
}
painter->restore();
}
@ -790,7 +794,6 @@ void AbstractSeriesChart::paintVerticalGrid(QPainter *painter, QRectF gridRect)
const QTextOption verticalTextOption(Qt::AlignRight);
for (int i = 0 ; i < lineCount ; i++ ) {
const qreal y = vStep * i;
// TODO_ES handle horizontalAxisOnTop
painter->drawText(QRectF(gridRect.bottomLeft()-QPointF(textPositionOffset,y+halfFontHeight),
QSizeF(valuesHMargin,fontHeight)),
axisLabel(i, yAxisData),
@ -823,6 +826,8 @@ void AbstractSeriesChart::paintGrid(QPainter *painter, QRectF gridRect)
const qreal vStep = gridRect.height() / yAxisSegmentCount;
const qreal hStep = (gridRect.width() - valuesHMargin - gridOffset) / xAxisSegmentCount;
painter->setFont(adaptValuesFont(hStep-4, painter->font()));
// Vertical axis lines
const QTextOption verticalTextOption(Qt::AlignRight);
for (int i = 0 ; i < yAxisLineCount ; i++ ) {