void ArrowJunctionCanvas::draw(QPainter & p)
{
if (!visible())
return;
ArrowCanvas * a;
FILE * fp = svg();
for (a = lines.first(); a != 0; a = lines.next()) {
switch (a->type()) {
case UmlRequired: {
QRect r = rect();
int wh = r.width() - 2;
int startangle = a->get_point(1).x(); // degree * 16
p.drawArc(r.x() + 1, r.y() + 1,
wh, wh,
startangle, 180 * 16);
if (fp != 0) {
int radius = r.width() / 2;
QPoint ce = r.center();
double r_startangle = startangle * 3.1415927 / 180 / 16;
double dx = cos(r_startangle) * radius;
double dy = sin(r_startangle) * radius;
fprintf(fp, "<path fill=\"none\" stroke=\"black\" stroke-width=\"1\" stroke-opacity=\"1\" d=\"M%lg,%lg a%d,%d 0 0,1 %lg,%lg\" />\n",
ce.x() - dx, ce.y() + dy,
radius, radius,
dx + dx, -dy - dy);
}
}
break;
case UmlProvided:
p.drawPixmap(QPoint((int) x(), (int) y()), *providedPixmap);
if (fp != 0)
fprintf(fp, "<ellipse fill=\"none\" stroke=\"black\" stroke-width=\"1\" stroke-opacity=\"1\" cx=\"%d\" cy=\"%d\" rx=\"%d\" ry=\"%d\" />\n",
// 4 is the margin inside the pixmap
(int)(x() + PROVIDED_RADIUS + 4),
(int)(y() + PROVIDED_RADIUS + 4),
(int) PROVIDED_RADIUS, (int) PROVIDED_RADIUS);
break;
default:
// to avoid compiler warning
break;
}
}
if (selected())
show_mark(p, rect());
}
// return true if a clone of lnk already exist between this and other
bool OdClassInstCanvas::is_duplicated(ObjectLinkCanvas * lnk,
OdClassInstCanvas * other) const {
RelationData * rel = lnk->get_rel();
QListIterator<ArrowCanvas> it(lines);
ArrowCanvas * ar;
while ((ar = it.current()) != 0) {
if ((ar != lnk) &&
IsaRelation(ar->type()) &&
(((ObjectLinkCanvas *) ar)->get_rel() == rel) &&
(ar->get_end() == other))
return TRUE;
else
++it;
}
return FALSE;
}