}
assert(outlinecolour >= 0);
gdk_gc_set_foreground(fe->gc, &fe->colours[outlinecolour]);
- gdk_draw_polygon(fe->pixmap, fe->gc, FALSE, points, npoints);
+
+ /*
+ * In principle we ought to be able to use gdk_draw_polygon for
+ * the outline as well. In fact, it turns out to interact badly
+ * with a clipping region, for no terribly obvious reason, so I
+ * draw the outline as a sequence of lines instead.
+ */
+ for (i = 0; i < npoints; i++)
+ gdk_draw_line(fe->pixmap, fe->gc,
+ points[i].x, points[i].y,
+ points[(i+1)%npoints].x, points[(i+1)%npoints].y);
sfree(points);
}