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cameo/lang.y (align): completed alignment function

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This commit is contained in:
Werner Almesberger 2010-12-14 14:04:35 -03:00
parent 1f63ef6391
commit c8b62c2864
1 changed files with 26 additions and 1 deletions
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cameo/lang.y
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@ -74,7 +74,32 @@ static void ref_pick_xy(int ref, double xa, double ya, double xb, double yb,
static void align(int ref, double x, double y)
{
/* @@@ */
const struct path *path;
const struct point *p;
double xa = 0, ya = 0, xb = 0, yb = 0;
double xr, yr, xd, yd;
int first = 1;
for (path = paths; path; path = path->next)
for (p = path->first; p; p = p->next) {
if (first || p->x < xa)
xa = p->x;
if (first || p->x > xb)
xb = p->x;
if (first || p->y < ya)
ya = p->y;
if (first || p->y > yb)
yb = p->y;
first = 0;
}
ref_pick_xy(ref, xa, ya, xb, yb, &xr, &yr);
xd = x-xr;
yd = y-yr;
translate(xd, yd, 0);
xo += xd;
yo += yd;
}