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// SPDX-License-Identifier: GPL-2.0
#include "statsgrid.h"
#include "chartitem.h"
#include "statsaxis.h"
#include "statscolors.h"
#include "statsview.h"
#include "zvalues.h"
static const double gridWidth = 1.0;
StatsGrid::StatsGrid(StatsView &view, const StatsAxis &xAxis, const StatsAxis &yAxis)
: view(view), xAxis(xAxis), yAxis(yAxis)
{
}
void StatsGrid::updatePositions()
{
std::vector<double> xtics = xAxis.ticksPositions();
std::vector<double> ytics = yAxis.ticksPositions();
// We probably should be smarter and reuse existing lines.
// For now, this does it.
for (auto &line: lines)
view.deleteChartItem(line);
lines.clear();
if (xtics.empty() || ytics.empty())
return;
for (double x: xtics) {
lines.push_back(view.createChartItem<ChartLineItem>(ChartZValue::Grid, gridColor, gridWidth));
lines.back()->setLine(QPointF(x, ytics.front()), QPointF(x, ytics.back()));
}
for (double y: ytics) {
lines.push_back(view.createChartItem<ChartLineItem>(ChartZValue::Grid, gridColor, gridWidth));
lines.back()->setLine(QPointF(xtics.front(), y), QPointF(xtics.back(), y));
}
}
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