/**
* 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;
}
}
/**
* Check if a sprite contains the given point (x,y).
*
* @param elt The sprite.
* @param x The point abscissa.
* @param y The point ordinate.
* @return True if (x,y) is in the given element.
*/
protected boolean spriteContains(GraphicElement elt, double x, double y) {
Values size = elt.getStyle().getSize();
double w2 = metrics.lengthToPx(size, 0) / 2;
double h2 = size.size() > 1 ? metrics.lengthToPx(size, 1) / 2 : w2;
Point2D.Double dst = spritePositionPx((GraphicSprite) elt); // new
// Point2D.Double(
// elt.getX(),
// elt.getY()
// );
// Point2D.Double dst = new Point2D.Double();
// Tx.transform( src, dst );
dst.x -= metrics.viewport[0];
dst.y -= metrics.viewport[1];
double x1 = dst.x - w2;
double x2 = dst.x + w2;
double y1 = dst.y - h2;
double y2 = dst.y + h2;
if (x < x1) return false;
if (y < y1) return false;
if (x > x2) return false;
if (y > y2) return false;
return true;
}
/**
* Is the given node visible in the given area.
*
* @param node The node 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 isNodeIn(GraphicNode node, double X1, double Y1, double X2, double Y2) {
Values size = node.getStyle().getSize();
double w2 = metrics.lengthToPx(size, 0) / 2;
double h2 = size.size() > 1 ? metrics.lengthToPx(size, 1) / 2 : w2;
Point2D.Double src = new Point2D.Double(node.getX(), node.getY());
boolean vis = true;
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) vis = false;
else if (y2 < Y1) vis = false;
else if (x1 > X2) vis = false;
else if (y1 > Y2) vis = false;
return vis;
}