static real
textobj_distance_from(Textobj *textobj, Point *point)
{
if (textobj->text_angle != 0) {
Point poly[4];
_textobj_get_poly (textobj, poly);
return distance_polygon_point(poly, 4, 0.0, point);
}
if (textobj->show_background)
return distance_rectangle_point(&textobj->object.bounding_box, point);
return text_distance_from(textobj->text, point);
}
static real
flow_distance_from(Flow *flow, Point *point)
{
Point *endpoints;
real linedist;
real textdist;
endpoints = &flow->connection.endpoints[0];
linedist = distance_line_point(&endpoints[0], &endpoints[1],
flow->type == FLOW_MATERIAL ? FLOW_MATERIAL_WIDTH : FLOW_WIDTH,
point);
textdist = text_distance_from( flow->text, point ) ;
return linedist > textdist ? textdist : linedist ;
}
static real
rendobj_distance_from(RenderObject *rend_obj, Point *point)
{
Element *elem = &rend_obj->element;
Rectangle rect;
real dist;
real text_dist;
/* Todo: Make this better, more changeable by the user. */
rect.left = elem->corner.x;
rect.right = elem->corner.x + elem->width;
rect.top = elem->corner.y ;
rect.bottom = elem->corner.y + elem->height;
dist = distance_rectangle_point(&rect, point);
if (rend_obj->desc->use_text) {
text_dist = text_distance_from(rend_obj->text, point);
if (text_dist<dist)
dist = text_dist;
}
return dist;
}
static real
textobj_distance_from(Textobj *textobj, Point *point)
{
return text_distance_from(textobj->text, point);
}
