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Skeleton hands can't grasp the tip of tools, but they can refract the
gaze of the living...
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49
game/src/ungap/magnifying.rs
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49
game/src/ungap/magnifying.rs
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@ -0,0 +1,49 @@
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use geom::{Bounds, Pt2D};
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use map_gui::render::DrawOptions;
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use widgetry::{GfxCtx, ScreenPt, ScreenRectangle};
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use crate::app::App;
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// TODO We could stylize more by fading the map out, then adding a circle of light with an outline
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pub fn draw(g: &mut GfxCtx, app: &App, rect: &ScreenRectangle) {
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let zoom = 8.0;
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if let Some(pt) = g.canvas.get_cursor_in_map_space() {
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// This is some of the math from screen_to_map and center_on_map_pt.
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let mut bounds = Bounds::new();
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let cam_x = (pt.x() * zoom) - (rect.width() / 2.0);
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let cam_y = (pt.y() * zoom) - (rect.height() / 2.0);
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// Top-left
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bounds.update(Pt2D::new(cam_x / zoom, cam_y / zoom));
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// Bottom-right
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bounds.update(Pt2D::new(
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(rect.width() + cam_x) / zoom,
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(rect.height() + cam_y) / zoom,
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));
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g.fork(
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Pt2D::new(bounds.min_x, bounds.min_y),
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ScreenPt::new(rect.x1, rect.y1),
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zoom,
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None,
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);
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g.enable_clipping(rect.clone());
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g.redraw(&app.primary.draw_map.boundary_polygon);
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g.redraw(&app.primary.draw_map.draw_all_areas);
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g.redraw(&app.primary.draw_map.draw_all_buildings);
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let opts = DrawOptions::new();
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for obj in app
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.primary
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.draw_map
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.get_renderables_back_to_front(bounds, &app.primary.map)
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{
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obj.draw(g, app, &opts);
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}
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g.disable_clipping();
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g.unfork();
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}
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}
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@ -1,12 +1,13 @@
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mod edit;
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mod magnifying;
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use geom::{Circle, Distance, Pt2D};
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use map_gui::tools::{nice_map_name, CityPicker, PopupMsg};
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use map_gui::ID;
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use map_model::{LaneType, PathConstraints, Road, RoadID};
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use map_model::{LaneType, PathConstraints, Road};
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use widgetry::{
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lctrl, Cached, Color, Drawable, EventCtx, GeomBatch, GeomBatchStack, GfxCtx,
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HorizontalAlignment, Key, Line, Outcome, Panel, State, Text, Toggle, VerticalAlignment, Widget,
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lctrl, Color, Drawable, EventCtx, Filler, GeomBatch, GfxCtx, HorizontalAlignment, Key, Line,
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Outcome, Panel, ScreenDims, State, Text, Toggle, VerticalAlignment, Widget,
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};
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use crate::app::{App, Transition};
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@ -20,7 +21,7 @@ const GREENWAY: Color = Color::BLUE;
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pub struct ExploreMap {
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top_panel: Panel,
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legend: Panel,
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tooltip: Cached<RoadID, (RoadID, Drawable, Drawable)>,
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magnifying_glass: Panel,
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unzoomed_layer: Drawable,
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elevation: bool,
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}
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@ -32,7 +33,7 @@ impl ExploreMap {
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Box::new(ExploreMap {
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top_panel: make_top_panel(ctx),
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legend: make_legend(ctx, app, false),
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tooltip: Cached::new(),
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magnifying_glass: make_magnifying_glass(ctx),
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unzoomed_layer: make_unzoomed_layer(ctx, app),
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elevation: false,
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})
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@ -44,11 +45,21 @@ impl State<App> for ExploreMap {
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ctx.canvas_movement();
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if ctx.redo_mouseover() {
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let road = match app.mouseover_unzoomed_roads_and_intersections(ctx) {
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Some(ID::Road(r)) => Some(r),
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_ => None,
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};
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self.tooltip.update(road, |r| make_tooltip(ctx, app, r));
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let mut label = Text::new();
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if let Some(ID::Road(r)) = app.mouseover_unzoomed_roads_and_intersections(ctx) {
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let road = app.primary.map.get_r(r);
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label.add_line(Line(road.get_name(app.opts.language.as_ref())).small_heading());
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// TODO Indicate which direction is uphill
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label.add_line(Line(format!(
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"{}% incline",
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(road.percent_incline.abs() * 100.0).round()
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)));
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} else {
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// TODO Jittery panel
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}
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label.add_line(Line("Click for details").secondary());
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let label = label.into_widget(ctx);
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self.magnifying_glass.replace(ctx, "label", label);
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if self.elevation {
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let mut label = Text::new().into_widget(ctx);
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@ -72,13 +83,11 @@ impl State<App> for ExploreMap {
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}
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}
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if let Some((r, _, _)) = self.tooltip.value() {
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if let Some(pt) = ctx.canvas.get_cursor_in_map_space() {
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if ctx.normal_left_click() {
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let r = *r;
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self.tooltip.clear();
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return Transition::Push(Warping::new_state(
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ctx,
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app.primary.map.get_r(r).center_pts.middle(),
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pt,
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Some(10.0),
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None,
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&mut app.primary,
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@ -152,21 +161,17 @@ impl State<App> for ExploreMap {
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fn draw(&self, g: &mut GfxCtx, app: &App) {
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self.top_panel.draw(g);
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self.legend.draw(g);
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if let Some((_, draw_on_map, draw_tooltip)) = self.tooltip.value() {
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g.redraw(draw_on_map);
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// Like fork_screenspace, but centered by the cursor
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g.fork(Pt2D::new(0.0, 0.0), g.canvas.get_cursor(), 1.0, None);
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g.redraw(draw_tooltip);
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g.unfork();
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}
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if g.canvas.cam_zoom < app.opts.min_zoom_for_detail {
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g.redraw(&self.unzoomed_layer);
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if self.elevation {
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if let Some((_, ref draw)) = app.session.elevation_contours.value() {
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g.redraw(draw);
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}
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}
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self.magnifying_glass.draw(g);
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magnifying::draw(g, app, self.magnifying_glass.rect_of("glass"));
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}
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}
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}
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@ -236,7 +241,7 @@ fn make_legend(ctx: &mut EventCtx, app: &App, elevation: bool) -> Panel {
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.icon("system/assets/tools/info.svg")
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.build_widget(ctx, "about the elevation data")
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.centered_vert(),
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Text::new()
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Text::from(Line("Click for details").secondary())
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.into_widget(ctx)
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.named("current elevation")
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.centered_vert(),
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@ -263,54 +268,17 @@ fn legend(ctx: &mut EventCtx, color: Color, label: &str) -> Widget {
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])
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}
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// Returns a batch to draw directly on the map, and another to draw as a tooltip.
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fn make_tooltip(ctx: &mut EventCtx, app: &App, r: RoadID) -> (RoadID, Drawable, Drawable) {
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let mut map_batch = GeomBatch::new();
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let road = app.primary.map.get_r(r);
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map_batch.push(
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Color::BLACK.alpha(0.5),
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road.get_thick_polygon(&app.primary.map),
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);
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let mut screen_batch = GeomBatch::new();
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for (l, _, _) in road.lanes_ltr() {
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screen_batch.append(app.primary.draw_map.get_l(l).render(ctx, app));
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}
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screen_batch.append(app.primary.draw_map.get_r(r).render_center_line(app));
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screen_batch = screen_batch.autocrop();
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let bounds = screen_batch.get_bounds();
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let fit_dims = 300.0;
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let zoom = (fit_dims / bounds.width()).min(fit_dims / bounds.height());
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screen_batch = screen_batch.scale(zoom);
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let label = Text::from_multiline(vec![
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Line(road.get_name(app.opts.language.as_ref())).small_heading(),
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// TODO Indicate which direction is uphill
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Line(format!(
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"{}% incline",
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(road.percent_incline.abs() * 100.0).round()
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)),
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])
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.render_autocropped(ctx);
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screen_batch = GeomBatchStack::vertical(vec![label, screen_batch]).batch();
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screen_batch = magnifying_glass(screen_batch);
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(r, map_batch.upload(ctx), screen_batch.upload(ctx))
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}
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fn magnifying_glass(batch: GeomBatch) -> GeomBatch {
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let bounds = batch.get_bounds();
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// TODO The radius isn't guaranteed to fit...
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let radius = Distance::meters(1.3 * bounds.width().max(bounds.height())) / 2.0;
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let circle = Circle::new(bounds.center(), radius);
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let mut new_batch = GeomBatch::new();
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new_batch.push(Color::WHITE, circle.to_polygon());
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if let Ok(p) = circle.to_outline(Distance::meters(3.0)) {
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new_batch.push(Color::BLACK, p);
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}
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new_batch.append(batch);
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new_batch
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fn make_magnifying_glass(ctx: &mut EventCtx) -> Panel {
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Panel::new_builder(
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Widget::col(vec![
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Filler::fixed_dims(ScreenDims::new(300.0, 300.0)).named("glass"),
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Text::new().into_widget(ctx).named("label"),
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])
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.padding(16)
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.outline((4.0, Color::BLACK)),
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)
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.aligned(HorizontalAlignment::LeftInset, VerticalAlignment::TopInset)
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.build(ctx)
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}
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pub fn make_unzoomed_layer(ctx: &mut EventCtx, app: &App) -> Drawable {
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