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Do more of line simplification with integer coordinates (#113)

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* Turn off unit, which has bit-rotted

* Instrument line simplification

* Do more work in integer space

* Update tests with simplification done with more integers

* Clean up

* Update changelog

* Eradicate calls to deprecated sprintf()

* Revert "Turn off unit, which has bit-rotted"

This reverts commit 998779313f.

* Fix catch by switching to an unsigned type
This commit is contained in:
Erica Fischer
2023-07-10 15:54:21 -07:00
committed by GitHub
parent b09a880822
commit c1051232ad
59 changed files with 282 additions and 280 deletions
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geometry.cpp
+6 -6
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@@ -811,8 +811,8 @@ drawvec clip_lines(drawvec &geom, long long minx, long long miny, long long maxx
}
static double square_distance_from_line(long long point_x, long long point_y, long long segA_x, long long segA_y, long long segB_x, long long segB_y) {
double p2x = segB_x - segA_x;
double p2y = segB_y - segA_y;
long long p2x = segB_x - segA_x;
long long p2y = segB_y - segA_y;
double something = p2x * p2x + p2y * p2y;
double u = 0 == something ? 0 : ((point_x - segA_x) * p2x + (point_y - segA_y) * p2y) / something;
@@ -822,11 +822,11 @@ static double square_distance_from_line(long long point_x, long long point_y, lo
u = 0;
}
double x = segA_x + u * p2x;
double y = segA_y + u * p2y;
long long x = std::round(segA_x + u * p2x);
long long y = std::round(segA_y + u * p2y);
double dx = x - point_x;
double dy = y - point_y;
long long dx = x - point_x;
long long dy = y - point_y;
return dx * dx + dy * dy;
}