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Rework and unify repeated drawing

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A-Walrus 2024-08-20 21:40:41 +03:00 • committed by Jeremy Soller
parent 884670ca04
commit 72355aa935
1 changed files with 51 additions and 53 deletions
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104
src/terminal_box.rs
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@ -406,71 +406,69 @@ where
renderer.fill_quad(underline2_quad, line_color);
}
let mut draw_repeated = |rects: &[(f32, Option<f32>)]| {
let full_width = self.end_x - self.start_x;
let pattern_len: f32 = rects.iter().map(|x| x.0).sum();
let mut pos = 0.0;
let mut index = {
let in_pattern = (self.start_x) % pattern_len;
let mut sum = 0.0;
let mut index = 0;
for (i, rect) in rects.iter().enumerate() {
sum += rect.0;
if in_pattern < sum {
let width = sum - in_pattern;
if let Some(height) = rect.1 {
let pos_offset = mk_pos_offset!(pos, height);
let underline_quad =
mk_quad!(pos_offset, style_line_height, width);
renderer.fill_quad(underline_quad, line_color);
}
index = i + 1;
pos += width;
break;
}
}
index
};
while pos < full_width {
let (width, x) = rects[index % rects.len()];
if let Some(height) = x {
let pos_offset = mk_pos_offset!(pos, height);
let underline_quad =
mk_quad!(pos_offset, style_line_height, width);
renderer.fill_quad(underline_quad, line_color);
}
pos += width;
index += 1;
}
};
if metadata.flags.contains(Flags::DOTTED_UNDERLINE) {
let bottom_offset = style_line_height * 2.0;
let full_width = self.end_x - self.start_x;
let mut accu_width = -(self.start_x % 4.0);
let mut dot_width = 2.0f32.min(full_width - accu_width);
while accu_width < full_width {
dot_width = dot_width.min(full_width - accu_width);
let pos_offset = mk_pos_offset!(accu_width, bottom_offset);
let underline_quad =
mk_quad!(pos_offset, style_line_height, dot_width);
renderer.fill_quad(underline_quad, line_color);
accu_width += 2.0 * dot_width;
}
draw_repeated(&[(2.0, Some(bottom_offset)), (3.0, None)]);
}
if metadata.flags.contains(Flags::DASHED_UNDERLINE) {
let bottom_offset = style_line_height * 2.0;
let full_width = self.end_x - self.start_x;
let dash_width = 6.0f32;
let gap_width = dash_width / 2.0;
let mut accu_width = -(self.start_x % (gap_width + dash_width));
while accu_width < full_width {
let width = dash_width.min(full_width - accu_width);
let pos_offset =
mk_pos_offset!(accu_width.max(0.0), bottom_offset);
let underline_quad = mk_quad!(
pos_offset,
style_line_height,
width + (accu_width).min(0.0)
);
renderer.fill_quad(underline_quad, line_color);
accu_width += width + gap_width;
}
draw_repeated(&[(6.0, Some(bottom_offset)), (3.0, None)]);
}
if metadata.flags.contains(Flags::UNDERCURL) {
let style_line_height = style_line_height.floor();
let bottom_offset = style_line_height * 1.5;
let full_width = self.end_x - self.start_x;
let mut accu_width = -self.start_x.fract();
while accu_width < full_width {
let dot_width = 1.0f32.min(full_width - accu_width);
let dot_bottom_offset =
match (accu_width + self.start_x) as u32 % 8 {
3..=5 => bottom_offset + style_line_height,
2 | 6 => bottom_offset + 2.0 * style_line_height / 3.0,
1 | 7 => bottom_offset + 1.0 * style_line_height / 3.0,
_ => bottom_offset,
};
let pos_offset = mk_pos_offset!(accu_width, dot_bottom_offset);
let underline_quad =
mk_quad!(pos_offset, style_line_height, dot_width);
renderer.fill_quad(underline_quad, line_color);
accu_width += dot_width;
}
let pattern: Vec<_> = (0..8)
.map(|i| match i {
3..=5 => bottom_offset + style_line_height,
2 | 6 => bottom_offset + 2.0 * style_line_height / 3.0,
1 | 7 => bottom_offset + 1.0 * style_line_height / 3.0,
_ => bottom_offset,
})
.map(|h| (1.0, Some(h)))
.collect();
draw_repeated(&pattern)
}
}
}