caiyu/LibreVNA
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fix corner-case calculation of secondary Y axis background coordinates

Browse Source
This commit is contained in:
Jan Käberich 2021-10-30 20:53:38 +02:00
parent 583349e3ec
commit 1b9feeca1f
1 changed files with 8 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
Software/PC_Application/Traces/tracexyplot.cpp
View File

@ -408,8 +408,6 @@ void TraceXYPlot::draw(QPainter &p)
}
int significantDigits = floor(log10(max)) - floor(log10(step)) + 1;
auto yCoordWidth = 0;
for(unsigned int j = 0; j < YAxis[i].ticks.size(); j++) {
auto yCoord = Util::Scale<double>(YAxis[i].ticks[j], YAxis[i].rangeMax, YAxis[i].rangeMin, plotAreaTop, w.height() - xAxisSpace);
p.setPen(QPen(pref.Graphs.Color.axis, 1));
@ -432,12 +430,18 @@ void TraceXYPlot::draw(QPainter &p)
if(i == 0) {
// only draw tick lines for primary axis
if (pref.Graphs.Color.Ticks.Background.enabled) {
yCoordWidth = floor((w.height() - xAxisSpace - plotAreaTop)/(YAxis[i].ticks.size()-1));
int yCoordTop = Util::Scale<double>(YAxis[i].ticks[j], YAxis[i].rangeMax, YAxis[i].rangeMin, plotAreaTop, w.height() - xAxisSpace);
int yCoordBot = Util::Scale<double>(YAxis[i].ticks[j-1], YAxis[i].rangeMax, YAxis[i].rangeMin, plotAreaTop, w.height() - xAxisSpace);
if(yCoordTop > yCoordBot) {
auto buf = yCoordBot;
yCoordBot = yCoordTop;
yCoordTop = buf;
}
if (j%2)
{
p.setBrush(pref.Graphs.Color.Ticks.Background.background);
p.setPen(pref.Graphs.Color.Ticks.Background.background);
auto rect = QRect(plotAreaLeft+1, yCoord+1, plotAreaWidth-2, yCoordWidth-2);
auto rect = QRect(plotAreaLeft+1, yCoordTop+1, plotAreaWidth-2, yCoordBot-yCoordTop-2);
p.drawRect(rect);
}
}