/**
* Is the given sprite visible in the given area.
*
* @param sprite The sprite to check.
* @param X1 The min abscissa of the area.
* @param Y1 The min ordinate of the area.
* @param X2 The max abscissa of the area.
* @param Y2 The max ordinate of the area.
* @return True if the node lies in the given area.
*/
protected boolean isSpriteIn(GraphicSprite sprite, double X1, double Y1, double X2, double Y2) {
if (sprite.isAttachedToNode() && nodeInvisible.contains(sprite.getNodeAttachment().getId())) {
return false;
} else if (sprite.isAttachedToEdge() && !isEdgeVisible(sprite.getEdgeAttachment())) {
return false;
} else {
Values size = sprite.getStyle().getSize();
double w2 = metrics.lengthToPx(size, 0) / 2;
double h2 = size.size() > 1 ? metrics.lengthToPx(size, 1) / 2 : w2;
Point2D.Double src = spritePositionPx(sprite); // new Point2D.Double(
// sprite.getX(),
// sprite.getY() );
// Tx.transform( src, src );
double x1 = src.x - w2;
double x2 = src.x + w2;
double y1 = src.y - h2;
double y2 = src.y + h2;
if (x2 < X1) return false;
if (y2 < Y1) return false;
if (x1 > X2) return false;
if (y1 > Y2) return false;
return true;
}
}
/**
* Compute the real position of a sprite according to its eventual attachment in graph units.
*
* @param sprite The sprite.
* @param pos Receiver for the sprite 2D position, can be null.
* @param units The units in which the position must be computed (the sprite already contains
* units).
* @return The same instance as the one given by parameter pos or a new one if pos was null,
* containing the computed position in the given units.
*/
public Point2D.Double getSpritePosition(GraphicSprite sprite, Point2D.Double pos, Units units) {
if (sprite.isAttachedToNode()) return getSpritePositionNode(sprite, pos, units);
else if (sprite.isAttachedToEdge()) return getSpritePositionEdge(sprite, pos, units);
else return getSpritePositionFree(sprite, pos, units);
}