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unroll poly cleaning in subtract

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This commit is contained in:
Stewart Allen 2021-07-11 11:04:52 -04:00
commit 814b32ccc4
3 changed files with 12 additions and 6 deletions
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16
wasm/kiri-geo.cpp
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@ -143,7 +143,7 @@ Uint32 poly_union(Uint32 memat, Uint32 polys, float offset) {
}
__attribute__ ((export_name("poly_diff")))
Uint32 poly_diff(Uint32 memat, Uint32 polysA, Uint32 polysB, Uint8 AB, Uint8 BA, Uint32 clean) {
Uint32 poly_diff(Uint32 memat, Uint32 polysA, Uint32 polysB, Uint8 AB, Uint8 BA, float clean) {
Paths inA(polysA);
Paths inB(polysB);
@ -154,27 +154,33 @@ Uint32 poly_diff(Uint32 memat, Uint32 polysA, Uint32 polysB, Uint8 AB, Uint8 BA,
Uint32 resat = pos;
if (AB) {
if (AB > 0) {
Paths outs;
Clipper clip;
clip.AddPaths(inA, ptSubject, true);
clip.AddPaths(inB, ptClip, true);
clip.Execute(ctDifference, outs, pftEvenOdd, pftEvenOdd);
if (clean > 0) {
CleanPolygons(outs, (double)clean);
// CleanPolygons(outs, clean);
for (Path po : outs) {
CleanPolygon(po, clean);
}
}
pos = writePolys(outs, pos);
clip.Clear();
}
if (BA) {
if (BA > 0) {
Paths outs;
Clipper clip;
clip.AddPaths(inB, ptSubject, true);
clip.AddPaths(inA, ptClip, true);
clip.Execute(ctDifference, outs, pftEvenOdd, pftEvenOdd);
if (clean > 0) {
CleanPolygons(outs, (double)clean);
// CleanPolygons(outs, clean);
for (Path po : outs) {
CleanPolygon(po, clean);
}
}
pos = writePolys(outs, pos);
clip.Clear();