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Use squares instead of circles for braille dots (for simplicity & perf)

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Benoit de Chezelles 2021-07-03 20:47:14 +02:00 committed by Wez Furlong
parent d48cf4e5ee
commit 249f9dfe29
1 changed files with 16 additions and 15 deletions
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31
wezterm-gui/src/glyphcache.rs
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@ -4355,13 +4355,14 @@ impl<T: Texture2d> GlyphCache<T> {
// 2 5 |<- These 3 lines are filled first (for the first 64 symbols)
// 3 6 |
// 7 8 <- This last line is filled last (for the remaining 192 symbols)
//
// NOTE: for simplicity & performance reasons, a dot is a square not a circle.
let cell_width = self.metrics.cell_size.width as f32 / 2.;
let cell_height = self.metrics.cell_size.height as f32 / 4.;
let center_offset_x = cell_width / 2.;
let center_offset_y = cell_height / 2.;
let diameter = cell_width / 2.;
let radius = diameter / 2.;
let square_length = cell_width / 2.;
let topleft_offset_x = cell_width / 2. - square_length / 2.;
let topleft_offset_y = cell_height / 2. - square_length / 2.;
let (width, height) = buffer.image_dimensions();
let mut pixmap = PixmapMut::from_bytes(
@ -4391,19 +4392,19 @@ impl<T: Texture2d> GlyphCache<T> {
// Bit for this dot position is not set
continue;
}
let center_x = (*dot_pos_x) * cell_width + center_offset_x;
let center_y = (*dot_pos_y) * cell_height + center_offset_y;
let topleft_x = (*dot_pos_x) * cell_width + topleft_offset_x;
let topleft_y = (*dot_pos_y) * cell_height + topleft_offset_y;
let path = PathBuilder::from_circle(center_x, center_y, radius)
.expect("failed to create path from circle");
pixmap.fill_path(
&path,
&paint,
FillRule::Winding,
identity,
None,
let path = PathBuilder::from_rect(
tiny_skia::Rect::from_xywh(
topleft_x,
topleft_y,
square_length,
square_length,
)
.expect("valid rect"),
);
pixmap.fill_path(&path, &paint, FillRule::Winding, identity, None);
}
}
BlockKey::Poly(polys) => {