1 package shape
2
3 import (
4 "math"
5
6 "oss.terrastruct.com/d2/lib/geo"
7 "oss.terrastruct.com/d2/lib/svg"
8 "oss.terrastruct.com/util-go/go2"
9 )
10
11 type shapeDocument struct {
12 *baseShape
13 }
14
15 const (
16
17 docPathHeight = 18.925
18 docPathInnerBottom = 14
19 docPathBottom = 16.3
20 )
21
22 func NewDocument(box *geo.Box) Shape {
23 shape := shapeDocument{
24 baseShape: &baseShape{
25 Type: DOCUMENT_TYPE,
26 Box: box,
27 },
28 }
29 shape.FullShape = go2.Pointer(Shape(shape))
30 return shape
31 }
32
33 func (s shapeDocument) GetInnerBox() *geo.Box {
34 height := s.Box.Height * docPathInnerBottom / docPathHeight
35 return geo.NewBox(s.Box.TopLeft.Copy(), s.Box.Width, height)
36 }
37
38 func documentPath(box *geo.Box) *svg.SvgPathContext {
39 pc := svg.NewSVGPathContext(box.TopLeft, box.Width, box.Height)
40 pc.StartAt(pc.Absolute(0, docPathBottom/docPathHeight))
41 pc.L(false, 0, 0)
42 pc.L(false, 1, 0)
43 pc.L(false, 1, docPathBottom/docPathHeight)
44 pc.C(false, 5/6.0, 12.8/docPathHeight, 2/3.0, 12.8/docPathHeight, 1/2.0, docPathBottom/docPathHeight)
45 pc.C(false, 1/3.0, 19.8/docPathHeight, 1/6.0, 19.8/docPathHeight, 0, docPathBottom/docPathHeight)
46 pc.Z()
47 return pc
48 }
49
50 func (s shapeDocument) Perimeter() []geo.Intersectable {
51 return documentPath(s.Box).Path
52 }
53
54 func (s shapeDocument) GetSVGPathData() []string {
55 return []string{
56 documentPath(s.Box).PathData(),
57 }
58 }
59
60 func (s shapeDocument) GetDimensionsToFit(width, height, paddingX, paddingY float64) (float64, float64) {
61 baseHeight := (height + paddingY) * docPathHeight / docPathInnerBottom
62 return math.Ceil(width + paddingX), math.Ceil(baseHeight)
63 }
64
65 func (s shapeDocument) GetDefaultPadding() (paddingX, paddingY float64) {
66 return defaultPadding, defaultPadding * docPathInnerBottom / docPathHeight
67 }
68
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