Esempi in C++ (Cpp) per distance_ellipse_point

Esempio n. 1

File: attribute.c Progetto: UIKit0/dia

static real
attribute_distance_from(Attribute *attribute, Point *point)
{
  Element *elem = &attribute->element;
  Point center;

  center.x = elem->corner.x+elem->width/2;
  center.y = elem->corner.y+elem->height/2;

  return distance_ellipse_point(&center, elem->width, elem->height,
				attribute->border_width, point);
}

Esempio n. 2

File: requirement.c Progetto: UIKit0/dia

static real
req_distance_from(Requirement *req, Point *point)
{
  Element *elem = &req->element;
  Point center;

  center.x = elem->corner.x+elem->width/2;
  center.y = elem->corner.y+elem->height/2;

  return distance_ellipse_point(&center, elem->width, elem->height,
				REQ_LINEWIDTH, point);
}

Esempio n. 3

static real
ellipse_distance_from(Ellipse *ellipse, Point *point)
{
  Element *elem = &ellipse->element;
  Point c;

  c.x = elem->corner.x + elem->width / 2;
  c.y = elem->corner.y + elem->height/ 2;

  return distance_ellipse_point (&c, elem->width, elem->height,
				 ellipse->border_width, point);
}

Esempio n. 4

File: actor.c Progetto: AmiGanguli/dia

static real
actor_distance_from(Actor *actor, Point *point)
{
  Element *elem = &actor->element;
  Point c;

  c.x = elem->corner.x + elem->width / 2;
  c.y = elem->corner.y + elem->height/ 2;

  return distance_ellipse_point (&c, elem->width, elem->height,
				 ACTOR_BORDER_WIDTH, point);
}

Esempio n. 5

File: graph_ellipse.cpp Progetto: ongbe/xchart

    double Ellipse::distanceFrom(Point *point)
    {
        Element *elem = this;
        Point center;

        center.setX(elem->corner().x() + elem->width() / 2);
        center.setY(elem->corner().y() + elem->height() / 2);

        return distance_ellipse_point(&center,
                                      elem->width(),
                                      elem->height(),
                                      m_data->borderWidth,
                                      point);
    }

Esempio n. 6

File: pattern.c Progetto: UIKit0/dia

/*!
 * \brief Set the other point of the pattern
 *
 * The meaning of the point depends on the type of the pattern.
 * For line gradient it is the second point giving the direction.
 * With a radial gradient it is the focal point.
 *
 * \ingroup DiaPattern
 */
void
dia_pattern_set_point (DiaPattern *self, real x, real y)
{
  self->other.x = x;
  self->other.y = y;
  /* with radial we have to ensure the point is in circle */
  if (self->type == DIA_RADIAL_GRADIENT) {
    real dist = distance_ellipse_point (&self->start, self->radius*2, self->radius*2, 0.0, &self->other);
    if (dist > 0) {
      /* If the point defined by ‘fx’ and ‘fy’ lies outside the circle defined
       * by ‘cx’, ‘cy’ and ‘r’, then the user agent shall set the focal point to
       * the intersection of the line from (‘cx’, ‘cy’) to (‘fx’, ‘fy’) with the
       * circle defined by ‘cx’, ‘cy’ and ‘r’
       */
      Point p1 = self->start;
      Point p2 = self->other;
      point_sub (&p2, &p1);
      point_normalize (&p2);
      point_add_scaled (&p1, &p2, self->radius);
      self->other = p1;
    }
  }
}