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faster font contour path

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This commit is contained in:
Thomas Friedel 2020-03-24 14:25:51 +01:00
parent c36395c0c8
commit a0a1cea270
2 changed files with 7 additions and 2 deletions
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7
path2d.go
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@ -16,6 +16,8 @@ type Path2D struct {
standalone bool standalone bool
fillCache []backendbase.Vec fillCache []backendbase.Vec
noSelfIntersection bool
} }
type pathPoint struct { type pathPoint struct {
@ -104,9 +106,12 @@ func (p *Path2D) lineTo(x, y float64, checkSelfIntersection bool) {
} }
} }
csi := checkSelfIntersection && !Performance.IgnoreSelfIntersections && !p.noSelfIntersection
if prev.flags&pathSelfIntersects > 0 { if prev.flags&pathSelfIntersects > 0 {
newp.flags |= pathSelfIntersects newp.flags |= pathSelfIntersects
} else if newp.flags&pathIsConvex == 0 && newp.flags&pathSelfIntersects == 0 && checkSelfIntersection && !Performance.IgnoreSelfIntersections { } else if newp.flags&pathIsConvex == 0 && newp.flags&pathSelfIntersects == 0 && csi {
cuts := false cuts := false
var cutPoint backendbase.Vec var cutPoint backendbase.Vec
b0, b1 := prev.pos, backendbase.Vec{x, y} b0, b1 := prev.pos, backendbase.Vec{x, y}

2
text.go
View file

@ -489,7 +489,7 @@ func (cv *Canvas) runePath(rn rune) *Path2D {
} }
} }
path := &Path2D{cv: cv, p: make([]pathPoint, 0, 50), standalone: true} path := &Path2D{cv: cv, p: make([]pathPoint, 0, 50), standalone: true, noSelfIntersection: true}
const scale = 1.0 / 64.0 const scale = 1.0 / 64.0