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update icon positioning according to shapes

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This commit is contained in:
Gavin Nishizawa 2023-07-03 12:56:46 -07:00
parent 6fd6e67ae0
commit 8a9fa24ee6
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GPG key ID: AE3B177777CE55CD
1 changed files with 49 additions and 15 deletions
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64
d2renderers/d2svg/d2svg.go
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@ -936,7 +936,7 @@ func drawShape(writer io.Writer, diagramHash string, targetShape d2target.Shape,
} else {
drawClass(writer, diagramHash, targetShape)
}
addAppendixItems(writer, targetShape)
addAppendixItems(writer, targetShape, s)
fmt.Fprint(writer, `</g>`)
fmt.Fprint(writer, closingTag)
return labelMask, nil
@ -950,7 +950,7 @@ func drawShape(writer io.Writer, diagramHash string, targetShape d2target.Shape,
} else {
drawTable(writer, diagramHash, targetShape)
}
addAppendixItems(writer, targetShape)
addAppendixItems(writer, targetShape, s)
fmt.Fprint(writer, `</g>`)
fmt.Fprint(writer, closingTag)
return labelMask, nil
@ -1341,28 +1341,62 @@ func drawShape(writer io.Writer, diagramHash string, targetShape d2target.Shape,
}
}
addAppendixItems(writer, targetShape)
addAppendixItems(writer, targetShape, s)
fmt.Fprint(writer, closingTag)
return labelMask, nil
}
func addAppendixItems(writer io.Writer, shape d2target.Shape) {
rightPadForTooltip := 0
if shape.Tooltip != "" {
rightPadForTooltip = 2 * appendixIconRadius
fmt.Fprintf(writer, `<g transform="translate(%d %d)" class="appendix-icon">%s</g>`,
shape.Pos.X+shape.Width-appendixIconRadius,
shape.Pos.Y-appendixIconRadius,
TooltipIcon,
func addAppendixItems(writer io.Writer, targetShape d2target.Shape, s shape.Shape) {
var p1, p2 *geo.Point
if targetShape.Tooltip != "" || targetShape.Link != "" {
corner := geo.NewPoint(float64(targetShape.Pos.X+targetShape.Width), float64(targetShape.Pos.Y))
center := geo.NewPoint(
float64(targetShape.Pos.X)+float64(targetShape.Width)/2.,
float64(targetShape.Pos.Y)+float64(targetShape.Height)/2.,
)
fmt.Fprintf(writer, `<title>%s</title>`, svg.EscapeText(shape.Tooltip))
v1 := center.VectorTo(corner)
p1 = shape.TraceToShapeBorder(s, corner, corner.AddVector(v1))
if targetShape.Tooltip != "" && targetShape.Link != "" {
//. \\ corner
//. │ \\
//. │ \\p2
//. │ \\p1
//. │ \\
//. │ \\
//. └─────────────────\\
//. center
// we use the offset corner to find a 2nd point on the shape to estimate the tangent
// we use the tangent to find p2 on the shape at the correct distance from p1 (according to estimated tangent)
offset := geo.Vector{-2 * appendixIconRadius, 0}
offsetCorner := corner.AddVector(offset)
offsetP1 := shape.TraceToShapeBorder(s, offsetCorner, offsetCorner.AddVector(v1))
tangent := p1.VectorTo(offsetP1).Unit().Multiply(2 * appendixIconRadius)
// 2nd point traced to shape from p1 shifted by icon diameter along tangent
p2 = shape.TraceToShapeBorder(s, p1.AddVector(tangent), corner.AddVector(tangent))
}
}
if shape.Link != "" {
if targetShape.Tooltip != "" {
x := int(math.Ceil(p1.X))
y := int(math.Ceil(p1.Y))
fmt.Fprintf(writer, `<g transform="translate(%d %d)" class="appendix-icon">%s</g>`,
shape.Pos.X+shape.Width-appendixIconRadius-rightPadForTooltip,
shape.Pos.Y-appendixIconRadius,
x-appendixIconRadius,
y-appendixIconRadius,
TooltipIcon,
)
fmt.Fprintf(writer, `<title>%s</title>`, svg.EscapeText(targetShape.Tooltip))
}
if targetShape.Link != "" {
if p2 == nil {
p2 = p1
}
x := int(math.Ceil(p2.X))
y := int(math.Ceil(p2.Y))
fmt.Fprintf(writer, `<g transform="translate(%d %d)" class="appendix-icon">%s</g>`,
x-appendixIconRadius,
y-appendixIconRadius,
LinkIcon,
)
}