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pad label box, avoid short segments

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Gavin Nishizawa 2023-02-23 12:41:42 -08:00
parent 3584bf0e58
commit daadca15cd
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GPG key ID: AE3B177777CE55CD
1 changed files with 9 additions and 0 deletions
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9
d2layouts/d2dagrelayout/layout.go
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@ -437,10 +437,19 @@ func Layout(ctx context.Context, g *d2graph.Graph, opts *ConfigurableOpts) (err
endingSegment := geo.Segment{Start: points[endIndex-1], End: points[endIndex]}
labelBox := geo.NewBox(labelTL, labelWidth, labelHeight)
// add left/right padding to box
labelBox.TopLeft.X -= label.PADDING
labelBox.Width += 2 * label.PADDING
if intersections := labelBox.Intersections(endingSegment); len(intersections) > 0 {
overlapsContainerLabel = true
// move ending segment to label intersection point
points[endIndex] = intersections[0]
endingSegment.End = intersections[0]
// if the segment becomes too short, just merge it with the previous segment
if endIndex-1 > 0 && endingSegment.Length() < MIN_SEGMENT_LEN {
points[endIndex-1] = points[endIndex]
endIndex--
}
}
}
if !overlapsContainerLabel {