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