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visual testing

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Duhan BALCI
2026-04-06 03:17:30 +03:00
parent 889b66978a
commit f1357b6dbe
31 changed files with 2575 additions and 76 deletions
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37
layout-engine/src/chart_render.rs
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@@ -442,12 +442,12 @@ fn render_pie(
let cx = px + pw / 2.0;
let cy = py + ph / 2.0;
let radius = pw.min(ph) / 2.0 * 0.9;
let radius = pw.min(ph) / 2.0 * 0.65;
let inner_frac = data.style.inner_radius.unwrap_or(0.0).clamp(0.0, 0.9);
let inner_r = radius * inner_frac;
let show_labels = data.labels.as_ref().is_some_and(|l| l.show);
let label_font = data.labels.as_ref().and_then(|l| l.font_size).unwrap_or(2.5);
let label_font = data.labels.as_ref().and_then(|l| l.font_size).unwrap_or(3.0);
let label_color = data
.labels
.as_ref()
@@ -499,7 +499,7 @@ fn render_pie(
.unwrap();
}
// Label
// Percentage label inside slice
if show_labels {
let mid_angle = start_angle + sweep / 2.0;
let label_r = if inner_r > 0.0 {
@@ -518,6 +518,37 @@ fn render_pie(
.unwrap();
}
// Category name label outside slice with leader line
if i < data.categories.len() {
let mid_angle = start_angle + sweep / 2.0;
let line_start_r = radius; // starts at pie edge
let line_end_r = radius + 3.0;
let text_r = radius + 4.0;
// Leader line from pie edge to label
let lx1 = cx + line_start_r * mid_angle.cos();
let ly1 = cy + line_start_r * mid_angle.sin();
let lx2 = cx + line_end_r * mid_angle.cos();
let ly2 = cy + line_end_r * mid_angle.sin();
write!(
svg,
r##"<line x1="{:.2}" y1="{:.2}" x2="{:.2}" y2="{:.2}" stroke="#999" stroke-width="0.2"/>"##,
lx1, ly1, lx2, ly2
)
.unwrap();
// Category text
let tx = cx + text_r * mid_angle.cos();
let ty = cy + text_r * mid_angle.sin();
let anchor = if mid_angle.cos() >= 0.0 { "start" } else { "end" };
write!(
svg,
r##"<text x="{:.2}" y="{:.2}" font-size="2.5" fill="#555" text-anchor="{}" dominant-baseline="central">{}</text>"##,
tx, ty, anchor, escape_xml(&data.categories[i])
)
.unwrap();
}
start_angle = end_angle;
}
}