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FillPlotter: drop incomplete polygons #31

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Apr 24, 2024
Merged

FillPlotter: drop incomplete polygons #31

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11 changes: 10 additions & 1 deletion src/internal/FillPlotter.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,16 @@ pub fn plot(
for (nodes.items, 0..) |node, i| {
switch (node) {
.move_to => |n| {
if (current_polygon) |poly| try result.append(poly);
if (current_polygon) |poly| {
// Only append this polygon if it's useful (has more than 2
// corners). Otherwise, get rid of it.
if (poly.corners.len > 2) {
try result.append(poly);
} else {
poly.deinit();
current_polygon = null;
}
}

// Check if this is the last node, and no-op if it is, as this
// is the auto-added move_to node that is given after
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