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Choose a consistent starting point for rings with no shared edges

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This commit is contained in:
Eric Fischer
2016-10-05 17:16:18 -07:00
parent 59619fb6cd
commit 91bfc2ca89
1 changed files with 8 additions and 0 deletions
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tile.cpp
+8
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@@ -716,6 +716,7 @@ void find_common_edges(std::vector<partial> &partials) {
for (size_t k = 0; k < g.size(); k++) { for (size_t k = 0; k < g.size(); k++) {
if (g[k].op == VT_MOVETO) { if (g[k].op == VT_MOVETO) {
ssize_t necessary = -1; ssize_t necessary = -1;
ssize_t lowest = k;
size_t l; size_t l;
for (l = k + 1; l < g.size(); l++) { for (l = k + 1; l < g.size(); l++) {
if (g[l].op != VT_LINETO) { if (g[l].op != VT_LINETO) {
@@ -725,6 +726,13 @@ void find_common_edges(std::vector<partial> &partials) {
if (g[l].necessary) { if (g[l].necessary) {
necessary = l; necessary = l;
} }
if (g[l] < g[lowest]) {
lowest = l;
}
}
if (necessary < 0) {
necessary = lowest;
} }
if (necessary >= 0) { if (necessary >= 0) {