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sch2fig/: properly interpret KiCad arcs

They can be clockwise or counter-clockwise, but are always < 180 degrees.
This commit is contained in:
Werner Almesberger 2016-07-25 13:38:58 -03:00
parent b44293c4d6
commit dd5f9d2128
3 changed files with 21 additions and 5 deletions

View File

@ -1,4 +1,3 @@
- arcs aren't quite right yet
- comment text orientation ?
- better text size guessing
- hierarchical labels

View File

@ -376,14 +376,13 @@ void fig_arc(int x, int y, int r, int sa, int ea,
// Type Thick Depth StyleV FwdAr
// SubTy Color Pen Cap BwdAr
// Style FillCol AreaFil Dir points
printf("5 1 0 %d %d %d %d -1 %d 0.0 1 0 0 0 %d %d %d %d %d %d %d %d\n",
printf("5 1 0 %d %d %d %d -1 %d 0.0 1 1 0 0 %d %d %d %d %d %d %d %d\n",
color == -1 ? 0 : WIDTH_COMP_DWG, color, fill_color, layer,
fill_color == -1 ? -1 : 20,
cx(x), cy(y),
ax(x, y, r, sa), ay(x, y, r, sa),
ax(x, y, r, ma), ay(x, y, r, ma),
ax(x, y, r, ea), ay(x, y, r, ea));
/* @@@ Note: with y flipped, we counter-clockwise becomes clockwise */
}

View File

@ -461,8 +461,26 @@ static bool parse_arc(struct obj *obj, const char *line)
&arc->thick, &arc->fill) != 9)
return 0;
arc->start_a = a1 / 10;
arc->end_a = a2 / 10;
/*
* KiCad arcs can be clockwise or counter-clockwise. They must always
* be smaller than 180 degrees.
*/
while (a1 < 0)
a1 += 3600;
while (a2 < 0)
a2 += 3600;
a1 %= 3600;
a2 %= 3600;
if (a2 < a1)
a2 += 3600;
assert(a2 - a1 != 1800);
if (a2 - a1 > 1800)
swap(a1, a2);
arc->start_a = (a1 % 3600) / 10;
arc->end_a = (a2 % 3600) / 10;
return 1;
}