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Code

Update font size if there is not enough space

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This commit is contained in:
Emil Sawicki 2022-03-05 17:36:37 +01:00
parent 2ce293f85d
commit 47ba3d0b4f
1 changed files with 23 additions and 10 deletions
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33
limereport/items/lrchartitem.cpp
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@ -677,23 +677,35 @@ void AbstractChart::prepareLegendToPaint(QRectF &legendRect, QPainter *painter)
case ChartItem::LegendAlignBottomLeft:
case ChartItem::LegendAlignBottomCenter:
case ChartItem::LegendAlignBottomRight: {
// TODO_ES handle resize horizontal legend (wrapping text)
const qreal maxWidth = legendRect.width() * 0.9;
qreal legendWidth = std::accumulate(m_legendColumnWidths.cbegin(), m_legendColumnWidths.cend(), 0.0);
if (legendWidth < maxWidth) {
return;
}
while ( (legendWidth > maxWidth) && tmpFont.pixelSize() > 1) {
tmpFont.setPixelSize(tmpFont.pixelSize() - 1);
calcChartLegendSize(tmpFont, legendRect.width());
legendWidth = std::accumulate(m_legendColumnWidths.cbegin(), m_legendColumnWidths.cend(), 0.0);
}
painter->setFont(tmpFont);
legendRect = calcChartLegendRect(tmpFont, legendRect, true, 0, 0);
break;
}
case ChartItem::LegendAlignRightTop:
case ChartItem::LegendAlignRightCenter:
case ChartItem::LegendAlignRightBottom:
QSizeF legendSize = calcChartLegendSize(tmpFont, legendRect.width());
if ((legendSize.height() > legendRect.height() || legendSize.width() > legendRect.width())) {
while ( (legendSize.height() > legendRect.height() || legendSize.width() > legendRect.width())
&& tmpFont.pixelSize() > 1)
{
tmpFont.setPixelSize(tmpFont.pixelSize()-1);
legendSize = calcChartLegendSize(tmpFont, legendRect.width());
}
painter->setFont(tmpFont);
legendRect = calcChartLegendRect(tmpFont, legendRect, true, 0, 0);
if ((legendSize.height() <= legendRect.height() && legendSize.width() <= legendRect.width())) {
return;
}
while ((legendSize.height() > legendRect.height() || legendSize.width() > legendRect.width())
&& tmpFont.pixelSize() > 1)
{
tmpFont.setPixelSize(tmpFont.pixelSize() - 1);
legendSize = calcChartLegendSize(tmpFont, legendRect.width());
}
painter->setFont(tmpFont);
legendRect = calcChartLegendRect(tmpFont, legendRect, true, 0, 0);
break;
}
}
@ -1203,6 +1215,7 @@ QVector<qreal> AbstractChart::legendColumnWidths() const
void AbstractBarChart::paintChartLegend(QPainter *painter, QRectF legendRect)
{
prepareLegendToPaint(legendRect, painter);
// TODO_ES after calculating bottom legend size, handle difference of sizes
painter->setPen(Qt::black);
painter->setRenderHint(QPainter::Antialiasing,false);
if (m_chartItem->drawLegendBorder())