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Charts: text at the sizes the file sets, as in PowerPoint

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Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
This commit is contained in:
Brandon Thomas
2026-10-13 04:30:31 -04:00
co-authored by Claude Opus 5.5
parent 7d8bb05374
commit 8afaf3f90f
3 changed files with 67 additions and 3 deletions
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crates/render/src/chart.rs
+6 -3
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@@ -139,11 +139,14 @@ pub fn draw(ctx: &mut RenderContext, rctx: &Ctx, c: &Chart, m: Affine, w: f64, h
rctx.pres,
);
}
let base = (h.min(w) / 22.0).clamp(7.0, 18.0);
// The file's text sizes when it has them (PowerPoint draws chart text at them); otherwise a size
// that suits the chart.
let base = c.text_size.unwrap_or_else(|| (h.min(w) / 22.0).clamp(7.0, 18.0));
let title_size = c.title_size.unwrap_or(base * 1.4);
let mut area = Rect::new(w * 0.04, h * 0.04, w * 0.96, h * 0.96);
if let Some(t) = &c.title {
label(ctx, rctx, m, t, Rect::new(0.0, area.y0, w, area.y0 + base * 1.8), base * 1.4, Align::Center, Anchor::Top, text_col, false);
area.y0 += base * 2.4;
label(ctx, rctx, m, t, Rect::new(0.0, area.y0, w, area.y0 + title_size * 1.3), title_size, Align::Center, Anchor::Top, text_col, false);
area.y0 += title_size * 1.7;
}
let pie = matches!(c.kind, ChartType::Pie | ChartType::Doughnut);
// Legend placed by `c:legendPos`.