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another transformation bugfix

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This commit is contained in:
Thomas Friedel 2019-04-18 16:33:50 +02:00
parent 41a0ed18af
commit 287ff8905f
1 changed files with 13 additions and 3 deletions
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16
paths.go
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@ -107,10 +107,20 @@ func (cv *Canvas) strokeTris(path *Path2D, inv mat, doInv bool, target [][2]floa
}
if doInv {
for i, pt := range path.p {
path.p[i].pos = pt.pos.mulMat(inv)
path.p[i].next = pt.next.mulMat(inv)
pcopy := *path
var pbuf [50]pathPoint
if len(path.p) <= len(pbuf) {
pcopy.p = pbuf[:len(path.p)]
} else {
pcopy.p = make([]pathPoint, len(path.p))
}
for i, pt := range path.p {
pt.pos = pt.pos.mulMat(inv)
pt.next = pt.next.mulMat(inv)
pcopy.p[i] = pt
}
path = &pcopy
}
dashedPath := cv.applyLineDash(path.p)