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egui/Viewport: merge zoom_to_fit part into paint, merge into update method

This commit is contained in:
Alain Emilia Anna Zscheile 2024-10-08 13:47:39 +02:00
parent 1420995492
commit e66fbe292b
1 changed files with 31 additions and 55 deletions
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86
src/bin/topola-egui/viewport.rs
View File

@ -35,22 +35,6 @@ impl Viewport {
}
pub fn update(
&mut self,
ctx: &egui::Context,
top: &MenuBar,
mut maybe_workspace: Option<&mut Workspace>,
) -> egui::Rect {
let viewport_rect = self.paint(ctx, top, maybe_workspace.as_deref_mut());
if self.scheduled_zoom_to_fit {
let mut maybe_invoker = maybe_workspace.as_mut().map(|w| &mut w.invoker);
self.zoom_to_fit(maybe_invoker.as_deref_mut(), &viewport_rect);
}
viewport_rect
}
pub fn paint(
&mut self,
ctx: &egui::Context,
top: &MenuBar,
@ -247,49 +231,41 @@ impl Viewport {
}
}
}
if self.scheduled_zoom_to_fit {
let root_bbox = invoker
.autorouter()
.board()
.layout()
.drawing()
.rtree()
.root()
.envelope();
let root_bbox_width = root_bbox.upper()[0] - root_bbox.lower()[0];
let root_bbox_height = root_bbox.upper()[1] - root_bbox.lower()[1];
self.transform.scaling = 0.8 * if root_bbox_width / root_bbox_height
>= (viewport_rect.width() as f64) / (viewport_rect.height() as f64)
{
viewport_rect.width() / root_bbox_width as f32
} else {
viewport_rect.height() / root_bbox_height as f32
};
self.transform.translation = egui::Vec2::new(
viewport_rect.center()[0] as f32,
viewport_rect.center()[1] as f32,
) - (self.transform.scaling
* egui::Pos2::new(root_bbox.center()[0] as f32, -root_bbox.center()[1] as f32))
.to_vec2();
}
self.scheduled_zoom_to_fit = false;
}
viewport_rect
})
}).inner.inner
}
fn zoom_to_fit(
&mut self,
maybe_invoker: Option<&mut Invoker<SpecctraMesadata>>,
viewport_rect: &egui::Rect,
) {
if self.scheduled_zoom_to_fit {
if let Some(invoker) = maybe_invoker {
let root_bbox = invoker
.autorouter()
.board()
.layout()
.drawing()
.rtree()
.root()
.envelope();
let root_bbox_width = root_bbox.upper()[0] - root_bbox.lower()[0];
let root_bbox_height = root_bbox.upper()[1] - root_bbox.lower()[1];
if root_bbox_width / root_bbox_height
>= (viewport_rect.width() as f64) / (viewport_rect.height() as f64)
{
self.transform.scaling = 0.8 * viewport_rect.width() / root_bbox_width as f32;
} else {
self.transform.scaling = 0.8 * viewport_rect.height() / root_bbox_height as f32;
}
self.transform.translation = egui::Vec2::new(
viewport_rect.center()[0] as f32,
viewport_rect.center()[1] as f32,
) - (self.transform.scaling
* egui::Pos2::new(root_bbox.center()[0] as f32, -root_bbox.center()[1] as f32))
.to_vec2();
}
}
self.scheduled_zoom_to_fit = false;
}
}