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fix: ruler text scales with DPI (font height tied to ruler height)

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The ruler drew labels at a fixed Font.Size := 7, so on Windows display
scaling (125/150/200%) the text no longer matched the DPI-scaled ruler
height — labels came out too small or clipped. Tie the font height to
the ruler height (-Max(8, Round(H*0.45))) so labels scale with DPI,
matching the approach used by the new bandplan overlay.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
ew8bak
2026-06-23 21:04:44 +03:00
co-authored by Claude Opus 4.8
parent 432c0285f0
commit fd85b532ee
1 changed files with 5 additions and 1 deletions
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RulerView.pas
+5 -1
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@@ -177,7 +177,11 @@ begin
C.Pen.Color := FTheme.RulerBorder; C.Pen.Width := 1;
C.MoveTo(0, 0); C.LineTo(W, 0);
C.MoveTo(0, H-1); C.LineTo(W, H-1);
C.Font.Name := 'Courier New'; C.Font.Size := 7;
// Высота шрифта привязана к высоте линейки (H уже DPI-масштабирована в MainForm),
// а не к point-size — иначе на Windows-масштабе 125/150/200% текст не совпадал с
// высотой полосы (метки мелкие/обрезались). Теперь шрифт скейлится вместе с DPI.
C.Font.Name := 'Courier New'; C.Font.Style := [];
C.Font.Height := -Max(8, Round(H * 0.45));
C.Brush.Style := bsClear;
FreqStart := FCenterFreq - FSpanHz / 2;
if FFMGridStepHz > 0 then