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Make egui_plot::PlotItem a public trait (#3943)

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This commit is contained in:
Emil Ernerfeldt
2024-02-02 14:38:35 +01:00
committed by GitHub
parent 8f2c8664e7
commit 60e272f192
5 changed files with 284 additions and 277 deletions
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21
crates/egui_plot/src/transform.rs
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@@ -379,7 +379,9 @@ impl PlotTransform {
[1.0 / self.dpos_dvalue_x(), 1.0 / self.dpos_dvalue_y()]
}
/// width / height aspect ratio
/// scale.x/scale.y ratio.
///
/// If 1.0, it means the scale factor is the same in both axes.
fn aspect(&self) -> f64 {
let rw = self.frame.width() as f64;
let rh = self.frame.height() as f64;
@@ -408,7 +410,7 @@ impl PlotTransform {
}
/// Sets the aspect ratio by changing either the X or Y axis (callers choice).
pub(crate) fn set_aspect_by_changing_axis(&mut self, aspect: f64, change_x: bool) {
pub(crate) fn set_aspect_by_changing_axis(&mut self, aspect: f64, axis: Axis) {
let current_aspect = self.aspect();
let epsilon = 1e-5;
@@ -417,12 +419,15 @@ impl PlotTransform {
return;
}
if change_x {
self.bounds
.expand_x((aspect / current_aspect - 1.0) * self.bounds.width() * 0.5);
} else {
self.bounds
.expand_y((current_aspect / aspect - 1.0) * self.bounds.height() * 0.5);
match axis {
Axis::X => {
self.bounds
.expand_x((aspect / current_aspect - 1.0) * self.bounds.width() * 0.5);
}
Axis::Y => {
self.bounds
.expand_y((current_aspect / aspect - 1.0) * self.bounds.height() * 0.5);
}
}
}
}