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Clip small linewidths in agg #14560

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Clip small linewidths in agg #14560

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5 changes: 5 additions & 0 deletions src/_backend_agg.h
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Original file line number Diff line number Diff line change
Expand Up @@ -406,6 +406,11 @@ RendererAgg::_draw_path(path_t &path, bool has_clippath, const facepair_t &face,
double linewidth = points_to_pixels(gc.linewidth);
if (!gc.isaa) {
linewidth = (linewidth < 0.5) ? 0.5 : mpl_round(linewidth);
} else {
// Too small linewidths are forced to zero because they require a
// lot of computation and do not make sense even with antialiasing.
// Compare github #14498.
linewidth = (linewidth < 0.001) ? 0 : mpl_round(linewidth);
}
if (gc.dashes.size() == 0) {
stroke_t stroke(path);
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