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miter line join fix

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This commit is contained in:
Thomas Friedel 2018-03-21 16:04:52 +01:00
parent dfba64a1fd
commit 888c667a36
1 changed files with 10 additions and 2 deletions
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12
paths.go
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@ -353,12 +353,20 @@ func (cv *Canvas) lineJoint(p pathPoint, p0, p1, p2, l0p0, l0p1, l0p2, l0p3 vec,
if l0p1.sub(l1p1).lenSqr() < 0.000000001 { if l0p1.sub(l1p1).lenSqr() < 0.000000001 {
ip0 = l0p1.sub(l1p1).mulf(0.5).add(l1p1) ip0 = l0p1.sub(l1p1).mulf(0.5).add(l1p1)
} else { } else {
ip0, _, _ = lineIntersection(l0p0, l0p1, l1p1, l1p0) var q float64
ip0, _, q = lineIntersection(l0p0, l0p1, l1p1, l1p0)
if q >= 1 {
ip0 = l0p1.add(l1p1).mulf(0.5)
}
} }
if l0p3.sub(l1p3).lenSqr() < 0.000000001 { if l0p3.sub(l1p3).lenSqr() < 0.000000001 {
ip1 = l0p3.sub(l1p3).mulf(0.5).add(l1p3) ip1 = l0p3.sub(l1p3).mulf(0.5).add(l1p3)
} else { } else {
ip1, _, _ = lineIntersection(l0p2, l0p3, l1p3, l1p2) var q float64
ip1, _, q = lineIntersection(l0p2, l0p3, l1p3, l1p2)
if q >= 1 {
ip1 = l0p3.add(l1p3).mulf(0.5)
}
} }
tris = append(tris, tris = append(tris,