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add tracing connection to outside icon

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This commit is contained in:
Gavin Nishizawa 2023-12-12 12:40:59 -08:00
parent a18ce57c51
commit 5becfbfbe7
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GPG key ID: AE3B177777CE55CD
1 changed files with 73 additions and 3 deletions
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76
d2graph/layout.go
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@ -417,7 +417,7 @@ func (edge *Edge) TraceToShape(points []*geo.Point, startIndex, endIndex int) (n
startingSegment := geo.Segment{Start: points[startIndex+1], End: points[startIndex]}
// if an edge runs into an outside label, stop the edge at the label instead
overlapsOutsideLabel := false
var overlapsOutsideLabel, overlapsOutsideIcon bool
if edge.Src.HasLabel() {
// assumes LabelPosition, LabelWidth, LabelHeight are all set if there is a label
labelPosition := label.FromString(*edge.Src.LabelPosition)
@ -452,8 +452,43 @@ func (edge *Edge) TraceToShape(points []*geo.Point, startIndex, endIndex int) (n
}
}
}
} else if edge.Src.Icon != nil && !srcShape.Is(shape.IMAGE_TYPE) {
// assumes IconPosition is set if there is an Icon
iconPosition := label.FromString(*edge.Src.IconPosition)
if iconPosition.IsOutside() {
iconWidth := float64(d2target.MAX_ICON_SIZE)
iconHeight := float64(d2target.MAX_ICON_SIZE)
iconTL := iconPosition.GetPointOnBox(edge.Src.Box, label.PADDING, iconWidth, iconHeight)
iconBox := geo.NewBox(iconTL, iconWidth, iconHeight)
// TODO not for icons
// add left/right padding to box
iconBox.TopLeft.X -= label.PADDING
iconBox.Width += 2 * label.PADDING
for iconBox.Contains(startingSegment.End) && startIndex+1 > endIndex {
startingSegment.Start = startingSegment.End
startingSegment.End = points[startIndex+2]
startIndex++
}
if intersections := iconBox.Intersections(startingSegment); len(intersections) > 0 {
overlapsOutsideIcon = true
p := intersections[0]
if len(intersections) > 1 {
p = findOuterIntersection(iconPosition, intersections)
}
// move starting segment to icon intersection point
points[startIndex] = p
startingSegment.End = p
// if the segment becomes too short, just merge it with the next segment
if startIndex+1 < endIndex && startingSegment.Length() < MIN_SEGMENT_LEN {
points[startIndex+1] = points[startIndex]
startIndex++
}
}
}
}
if !overlapsOutsideLabel {
if !overlapsOutsideLabel && !overlapsOutsideIcon {
if intersections := edge.Src.Intersections(startingSegment); len(intersections) > 0 {
// move starting segment to intersection point
points[startIndex] = intersections[0]
@ -469,6 +504,7 @@ func (edge *Edge) TraceToShape(points []*geo.Point, startIndex, endIndex int) (n
}
endingSegment := geo.Segment{Start: points[endIndex-1], End: points[endIndex]}
overlapsOutsideLabel = false
overlapsOutsideIcon = false
if edge.Dst.HasLabel() {
// assumes LabelPosition, LabelWidth, LabelHeight are all set if there is a label
labelPosition := label.FromString(*edge.Dst.LabelPosition)
@ -502,8 +538,42 @@ func (edge *Edge) TraceToShape(points []*geo.Point, startIndex, endIndex int) (n
}
}
}
} else if edge.Dst.Icon != nil && !dstShape.Is(shape.IMAGE_TYPE) {
// assumes IconPosition is set if there is an Icon
iconPosition := label.FromString(*edge.Dst.IconPosition)
if iconPosition.IsOutside() {
iconWidth := float64(d2target.MAX_ICON_SIZE)
iconHeight := float64(d2target.MAX_ICON_SIZE)
labelTL := iconPosition.GetPointOnBox(edge.Dst.Box, label.PADDING, iconWidth, iconHeight)
iconBox := geo.NewBox(labelTL, iconWidth, iconHeight)
// TODO not for icons
// add left/right padding to box
iconBox.TopLeft.X -= label.PADDING
iconBox.Width += 2 * label.PADDING
for iconBox.Contains(endingSegment.Start) && endIndex-1 > startIndex {
endingSegment.End = endingSegment.Start
endingSegment.Start = points[endIndex-2]
endIndex--
}
if intersections := iconBox.Intersections(endingSegment); len(intersections) > 0 {
overlapsOutsideIcon = true
p := intersections[0]
if len(intersections) > 1 {
p = findOuterIntersection(iconPosition, intersections)
}
// move ending segment to icon intersection point
points[endIndex] = p
endingSegment.End = p
// if the segment becomes too short, just merge it with the previous segment
if endIndex-1 > startIndex && endingSegment.Length() < MIN_SEGMENT_LEN {
points[endIndex-1] = points[endIndex]
endIndex--
}
}
}
}
if !overlapsOutsideLabel {
if !overlapsOutsideLabel && !overlapsOutsideIcon {
if intersections := edge.Dst.Intersections(endingSegment); len(intersections) > 0 {
// move ending segment to intersection point
points[endIndex] = intersections[0]