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feat: rotate bend labels parallel to bend line and center them

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Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
AJ Isaacs
2026-03-28 14:36:10 -04:00
parent ae262b8a77
commit 8104bd3626
1 changed files with 13 additions and 1 deletions
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OpenNest/Controls/EntityView.cs
+13 -1
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@@ -277,7 +277,19 @@ namespace OpenNest.Controls
if (!string.IsNullOrEmpty(bend.NoteText)) if (!string.IsNullOrEmpty(bend.NoteText))
{ {
var mid = new PointF((pt1.X + pt2.X) / 2f, (pt1.Y + pt2.Y) / 2f); var mid = new PointF((pt1.X + pt2.X) / 2f, (pt1.Y + pt2.Y) / 2f);
g.DrawString(bend.NoteText, noteFont, isSelected ? selectedNoteBrush : noteBrush, mid.X + 4, mid.Y + 4); var angle = (float)(System.Math.Atan2(pt2.Y - pt1.Y, pt2.X - pt1.X) * 180.0 / System.Math.PI);
// Keep text readable (not upside-down)
if (angle > 90f) angle -= 180f;
else if (angle < -90f) angle += 180f;
var textSize = g.MeasureString(bend.NoteText, noteFont);
var state = g.Save();
g.TranslateTransform(mid.X, mid.Y);
g.RotateTransform(angle);
g.DrawString(bend.NoteText, noteFont, isSelected ? selectedNoteBrush : noteBrush,
-textSize.Width / 2f, -textSize.Height);
g.Restore(state);
} }
} }
} }