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Fix builtin font block elements going invisible

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Kirill Chibisov 2022-02-03 03:22:28 +03:00 • committed by GitHub
parent 4bf8f375ef
commit d22cd7409c
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1 changed files with 11 additions and 4 deletions
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15
alacritty/src/renderer/builtin_font.rs
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@ -385,7 +385,7 @@ fn box_drawing(character: char, metrics: &Metrics, offset: &Delta<i8>) -> Raster
'\u{2580}'..='\u{2587}' | '\u{2589}'..='\u{2590}' | '\u{2594}' | '\u{2595}' => {
let width = width as f32;
let height = height as f32;
let rect_width = match character {
let mut rect_width = match character {
'\u{2589}' => width * 7. / 8.,
'\u{258a}' => width * 6. / 8.,
'\u{258b}' => width * 5. / 8.,
@ -397,7 +397,8 @@ fn box_drawing(character: char, metrics: &Metrics, offset: &Delta<i8>) -> Raster
'\u{2595}' => width * 1. / 8.,
_ => width,
};
let (rect_height, y) = match character {
let (mut rect_height, mut y) = match character {
'\u{2580}' => (height * 4. / 8., height * 8. / 8.),
'\u{2581}' => (height * 1. / 8., height * 1. / 8.),
'\u{2582}' => (height * 2. / 8., height * 2. / 8.),
@ -409,12 +410,18 @@ fn box_drawing(character: char, metrics: &Metrics, offset: &Delta<i8>) -> Raster
'\u{2594}' => (height * 1. / 8., height * 8. / 8.),
_ => (height, height),
};
// Fix `y` coordinates.
let y = height - y;
y = height - y;
// Ensure that resulted glyph will be visible and also round sizes instead of straight
// flooring them.
rect_width = cmp::max(rect_width.round() as i32, 1) as f32;
rect_height = cmp::max(rect_height.round() as i32, 1) as f32;
let x = match character {
'\u{2590}' => canvas.x_center(),
'\u{2595}' => width as f32 - width / 8.,
'\u{2595}' => width as f32 - rect_width,
_ => 0.,
};