gwm17/implot
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move axis equal constraint after pixel determination

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This commit is contained in:
Evan Pezent 2021-07-23 16:32:57 -07:00
parent 2dc2a4cfd5
commit 507459fd5f
1 changed files with 17 additions and 16 deletions
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33
implot.cpp
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@ -2054,22 +2054,6 @@ bool BeginPlot(const char* title, const char* x_label, const char* y1_label, con
for (int i = 0; i < IMPLOT_Y_AXES; ++i)
plot.YAxis[i].Constrain();
// constrain equal axes for primary x and y if not approximately equal
// constrains x to y since x pixel size depends on y labels width, and causes feedback loops in opposite case
if (ImHasFlag(plot.Flags, ImPlotFlags_Equal)) {
double xar = plot.XAxis.GetAspect();
double yar = plot.YAxis[0].GetAspect();
// edge case: user has set x range this frame, so fit y to x so that we honor their request for x range
// NB: because of feedback across several frames, the user's x request may not be perfectly honored
if (gp.NextPlotData.HasXRange) {
plot.YAxis[0].SetAspect(xar);
}
else {
if (!ImAlmostEqual(xar,yar) && !plot.YAxis[0].IsInputLocked())
plot.XAxis.SetAspect(yar);
}
}
// AXIS COLORS -----------------------------------------------------------------
UpdateAxisColors(ImPlotCol_XAxis, &plot.XAxis);
@ -2236,6 +2220,23 @@ bool BeginPlot(const char* title, const char* x_label, const char* y1_label, con
for (int i = 0; i < IMPLOT_Y_AXES; ++i)
plot.YAxis[i].Pixels = plot.PlotRect.GetHeight();
// Equal axis constraint. Must happen after we set Pixels
// constrain equal axes for primary x and y if not approximately equal
// constrains x to y since x pixel size depends on y labels width, and causes feedback loops in opposite case
if (ImHasFlag(plot.Flags, ImPlotFlags_Equal)) {
double xar = plot.XAxis.GetAspect();
double yar = plot.YAxis[0].GetAspect();
// edge case: user has set x range this frame, so fit y to x so that we honor their request for x range
// NB: because of feedback across several frames, the user's x request may not be perfectly honored
if (gp.NextPlotData.HasXRange) {
plot.YAxis[0].SetAspect(xar);
}
else {
if (!ImAlmostEqual(xar,yar) && !plot.YAxis[0].IsInputLocked())
plot.XAxis.SetAspect(yar);
}
}
// INPUT ------------------------------------------------------------------
HandlePlotInput(plot);