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Make polygon scaling its own function

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This commit is contained in:
Erica Fischer
2023-11-14 18:00:03 -08:00
parent 9e46ac8c0e
commit 33052aa60b
3 changed files with 14 additions and 34 deletions
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tile.cpp
+2 -26
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@@ -615,36 +615,12 @@ void *partial_feature_worker(void *v) {
drawvec geom = (*partials)[i].geoms[0];
if (t == VT_POLYGON) {
geom = clean_polygon(geom, z, out_detail);
// (*partials)[i].t = t = VT_LINE;
geom = scale_polygon(geom, z, out_detail);
geom = clean_polygon(geom, 1LL << out_detail);
} else {
to_tile_scale(geom, z, out_detail);
}
#if 0
if (t == VT_POLYGON) {
// Scaling may have made the polygon degenerate.
// Give Clipper a chance to try to fix it.
{
drawvec before = geom;
// we can try scaling up because this is now tile scale
geom = clean_or_clip_poly(geom, 0, 0, false, true);
if (additional[A_DEBUG_POLYGON]) {
check_polygon(geom);
}
if (geom.size() < 3) {
if (area > 0) {
// area is in world coordinates, calculated before scaling down
geom = revive_polygon(before, area, z, out_detail);
} else {
geom.clear();
}
}
}
}
#endif
if (t == VT_POLYGON && additional[A_GENERATE_POLYGON_LABEL_POINTS]) {
t = (*partials)[i].t = VT_POINT;
geom = checkerboard_anchors(from_tile_scale(geom, z, out_detail), (*partials)[i].tx, (*partials)[i].ty, z, (*partials)[i].label_point);