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Add bulges to lwpolyline #4

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Add bulges to lwpolyline #4

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5 changes: 5 additions & 0 deletions entity/lwpolyline.go
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ type LwPolyline struct {
Num int // 90
Closed bool
Vertices [][]float64
Bulges []float64
}

// IsEntity is for Entity interface.
Expand All @@ -28,6 +29,7 @@ func NewLwPolyline(size int) *LwPolyline {
Num: size,
Closed: false,
Vertices: vs,
Bulges: make([]float64, size),
}
return l
}
Expand All @@ -46,6 +48,9 @@ func (l *LwPolyline) Format(f format.Formatter) {
for j := 0; j < 2; j++ {
f.WriteFloat((j+1)*10, l.Vertices[i][j])
}
if l.Bulges[i] != 0 {
f.WriteFloat(42, l.Bulges[i])
}
}
}

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5 changes: 5 additions & 0 deletions parser.go
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Original file line number Diff line number Diff line change
Expand Up @@ -708,6 +708,7 @@ func ParseLwPolyline(d *drawing.Drawing, data [][2]string) (entity.Entity, error
err = setInt(dt, func(val int) {
lw.Num = val
lw.Vertices = make([][]float64, val)
lw.Bulges = make([]float64, val)
for i := 0; i < val; i++ {
lw.Vertices[i] = make([]float64, 2)
}
Expand All @@ -730,6 +731,10 @@ func ParseLwPolyline(d *drawing.Drawing, data [][2]string) (entity.Entity, error
} else {
err = fmt.Errorf("LWPOLYLINE extra vertices")
}
case "42":
err = setFloat(dt, func(val float64) {
lw.Bulges[ind-1] = val
})
case "70":
err = setInt(dt, func(val int) {
if val == 1 {
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