90 lines
2.2 KiB
Go
90 lines
2.2 KiB
Go
package shape
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import (
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"math"
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"oss.terrastruct.com/d2/lib/geo"
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"oss.terrastruct.com/d2/lib/svg"
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"oss.terrastruct.com/util-go/go2"
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)
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type shapePerson struct {
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*baseShape
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}
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func NewPerson(box *geo.Box) Shape {
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shape := shapePerson{
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baseShape: &baseShape{
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Type: PERSON_TYPE,
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Box: box,
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},
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}
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shape.FullShape = go2.Pointer(Shape(shape))
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return shape
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}
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const (
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PERSON_AR_LIMIT = 1.5
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personShoulderWidthFactor = 20.2 / 68.3
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)
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func (s shapePerson) GetInnerBox() *geo.Box {
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width := s.Box.Width
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tl := s.Box.TopLeft.Copy()
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shoulderWidth := personShoulderWidthFactor * width
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tl.X += shoulderWidth
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width -= shoulderWidth * 2
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return geo.NewBox(tl, width, s.Box.Height)
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}
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func personPath(box *geo.Box) *svg.SvgPathContext {
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pc := svg.NewSVGPathContext(box.TopLeft, box.Width/68.3, box.Height/77.4)
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// Bottom side
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pc.StartAt(pc.Absolute(68.3, 77.4))
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pc.H(false, 0)
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pc.V(true, -1.1)
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pc.C(true, 0, -13.2, 7.5, -25.1, 19.3, -30.8)
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pc.C(false, 12.8, 40.9, 8.9, 33.4, 8.9, 25.2)
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pc.C(false, 8.9, 11.3, 20.2, 0, 34.1, 0)
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// TODO: implement s command with mirroring last control point
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// s 25.2,11.3, 25.2,25.2
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// mirroring last control point (20.2,0) -> (34.1,0) = relative(13.9,0)
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pc.C(true, 13.9, 0, 25.2, 11.3, 25.2, 25.2)
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pc.C(true, 0, 8.2, -3.8, 15.6, -10.4, 20.4)
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pc.C(true, 11.8, 5.7, 19.3, 17.6, 19.3, 30.8)
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pc.V(true, 1)
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pc.H(false, 68.3)
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pc.Z()
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return pc
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}
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func (s shapePerson) Perimeter() []geo.Intersectable {
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return personPath(s.Box).Path
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}
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func (s shapePerson) GetSVGPathData() []string {
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return []string{
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personPath(s.Box).PathData(),
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}
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}
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func (s shapePerson) GetDimensionsToFit(width, height, paddingX, paddingY float64) (float64, float64) {
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totalWidth := width + paddingX
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// see shapePackage
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shoulderWidth := totalWidth * personShoulderWidthFactor / (1 - 2*personShoulderWidthFactor)
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totalWidth += 2 * shoulderWidth
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totalHeight := height + paddingY
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// prevent the shape's aspect ratio from becoming too extreme
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totalWidth, totalHeight = LimitAR(totalWidth, totalHeight, PERSON_AR_LIMIT)
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return math.Ceil(totalWidth), math.Ceil(totalHeight)
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}
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func (s shapePerson) GetDefaultPadding() (paddingX, paddingY float64) {
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return 10, defaultPadding
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}
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