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ui: add feathering-resistant hline separator fn

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"pixel-aligned" Separators get feathered into a blurry mess. This seems
to help.

Signed-off-by: William Casarin <jb55@jb55.com>
This commit is contained in:
William Casarin
2024-05-15 15:26:19 -07:00
parent bc5ff4858f
commit 029896627c
2 changed files with 10 additions and 1 deletions
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3
src/timeline.rs
View File

@@ -99,7 +99,8 @@ pub fn timeline_view(ui: &mut egui::Ui, app: &mut Damus, timeline: usize) {
let textmode = app.textmode; let textmode = app.textmode;
let note_ui = ui::Note::new(app, &note).note_previews(!textmode); let note_ui = ui::Note::new(app, &note).note_previews(!textmode);
ui.add(note_ui); ui.add(note_ui);
ui.add(egui::Separator::default().spacing(0.0)); ui::hline(ui);
//ui.add(egui::Separator::default().spacing(0.0));
1 1
}); });

8
src/ui/mod.rs
View File

@@ -39,6 +39,14 @@ pub fn padding<R>(
.show(ui, add_contents) .show(ui, add_contents)
} }
pub fn hline(ui: &egui::Ui) {
// pixel perfect horizontal line
let rect = ui.available_rect_before_wrap();
let resize_y = ui.painter().round_to_pixel(rect.top()) - 0.5;
let stroke = ui.style().visuals.widgets.noninteractive.bg_stroke;
ui.painter().hline(rect.x_range(), resize_y, stroke);
}
#[inline] #[inline]
#[allow(unreachable_code)] #[allow(unreachable_code)]
pub fn is_mobile(_ctx: &egui::Context) -> bool { pub fn is_mobile(_ctx: &egui::Context) -> bool {