62 lines
1.4 KiB
Go
62 lines
1.4 KiB
Go
package shape
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import (
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"oss.terrastruct.com/d2/lib/geo"
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"oss.terrastruct.com/d2/lib/svg"
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)
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type shapeDiamond struct {
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*baseShape
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}
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func NewDiamond(box *geo.Box) Shape {
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return shapeDiamond{
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baseShape: &baseShape{
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Type: DIAMOND_TYPE,
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Box: box,
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},
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}
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}
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func (s shapeDiamond) GetInnerBox() *geo.Box {
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width := s.Box.Width
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height := s.Box.Height
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tl := s.Box.TopLeft.Copy()
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tl.X += width / 4.
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tl.Y += height / 4.
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width /= 2.
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height /= 2.
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return geo.NewBox(tl, width, height)
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}
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func diamondPath(box *geo.Box) *svg.SvgPathContext {
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pc := svg.NewSVGPathContext(box.TopLeft, box.Width/77, box.Height/76.9)
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pc.StartAt(pc.Absolute(38.5, 76.9))
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pc.C(true, -0.3, 0, -0.5, -0.1, -0.7, -0.3)
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pc.L(false, 0.3, 39.2)
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pc.C(true, -0.4, -0.4, -0.4, -1, 0, -1.4)
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pc.L(false, 37.8, 0.3)
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pc.C(true, 0.4, -0.4, 1, -0.4, 1.4, 0)
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pc.L(true, 37.5, 37.5)
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pc.C(true, 0.4, 0.4, 0.4, 1, 0, 1.4)
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pc.L(false, 39.2, 76.6)
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pc.C(false, 39, 76.8, 38.8, 76.9, 38.5, 76.9)
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pc.Z()
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return pc
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}
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func (s shapeDiamond) Perimeter() []geo.Intersectable {
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return diamondPath(s.Box).Path
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}
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func (s shapeDiamond) GetSVGPathData() []string {
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return []string{
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diamondPath(s.Box).PathData(),
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}
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}
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func (s shapeDiamond) GetDimensionsToFit(width, height, paddingX, paddingY float64) (float64, float64) {
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totalWidth := 2 * (width + paddingX)
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totalHeight := 2 * (height + paddingY)
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return totalWidth, totalHeight
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}
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