/**
* Adds a <code>Rectangle2D</code> object to this <code>Rectangle2D</code>. The resulting <code>
* Rectangle2D</code> is the union of the two <code>Rectangle2D</code> objects.
*
* @param r the <code>Rectangle2D</code> to add to this <code>Rectangle2D</code>.
* @since 1.2
*/
public void add(Rectangle2D r) {
double x1 = Math.min(getMinX(), r.getMinX());
double x2 = Math.max(getMaxX(), r.getMaxX());
double y1 = Math.min(getMinY(), r.getMinY());
double y2 = Math.max(getMaxY(), r.getMaxY());
setRect(x1, y1, x2 - x1, y2 - y1);
}
/**
* Intersects the pair of specified source <code>Rectangle2D</code> objects and puts the result
* into the specified destination <code>Rectangle2D</code> object. One of the source rectangles
* can also be the destination to avoid creating a third Rectangle2D object, but in this case the
* original points of this source rectangle will be overwritten by this method.
*
* @param src1 the first of a pair of <code>Rectangle2D</code> objects to be intersected with each
* other
* @param src2 the second of a pair of <code>Rectangle2D</code> objects to be intersected with
* each other
* @param dest the <code>Rectangle2D</code> that holds the results of the intersection of <code>
* src1</code> and <code>src2</code>
* @since 1.2
*/
public static void intersect(Rectangle2D src1, Rectangle2D src2, Rectangle2D dest) {
double x1 = Math.max(src1.getMinX(), src2.getMinX());
double y1 = Math.max(src1.getMinY(), src2.getMinY());
double x2 = Math.min(src1.getMaxX(), src2.getMaxX());
double y2 = Math.min(src1.getMaxY(), src2.getMaxY());
dest.setFrame(x1, y1, x2 - x1, y2 - y1);
}
/**
* Unions the pair of source <code>Rectangle2D</code> objects and puts the result into the
* specified destination <code>Rectangle2D</code> object. One of the source rectangles can also be
* the destination to avoid creating a third Rectangle2D object, but in this case the original
* points of this source rectangle will be overwritten by this method.
*
* @param src1 the first of a pair of <code>Rectangle2D</code> objects to be combined with each
* other
* @param src2 the second of a pair of <code>Rectangle2D</code> objects to be combined with each
* other
* @param dest the <code>Rectangle2D</code> that holds the results of the union of <code>src1
* </code> and <code>src2</code>
* @since 1.2
*/
public static void union(Rectangle2D src1, Rectangle2D src2, Rectangle2D dest) {
double x1 = Math.min(src1.getMinX(), src2.getMinX());
double y1 = Math.min(src1.getMinY(), src2.getMinY());
double x2 = Math.max(src1.getMaxX(), src2.getMaxX());
double y2 = Math.max(src1.getMaxY(), src2.getMaxY());
dest.setFrameFromDiagonal(x1, y1, x2, y2);
}
/**
* Determines whether or not the specified <code>Object</code> is equal to this <code>Rectangle2D
* </code>. The specified <code>Object</code> is equal to this <code>Rectangle2D</code> if it is
* an instance of <code>Rectangle2D</code> and if its location and size are the same as this
* <code>Rectangle2D</code>.
*
* @param obj an <code>Object</code> to be compared with this <code>Rectangle2D</code>.
* @return <code>true</code> if <code>obj</code> is an instance of <code>Rectangle2D</code> and
* has the same values; <code>false</code> otherwise.
* @since 1.2
*/
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (obj instanceof Rectangle2D) {
Rectangle2D r2d = (Rectangle2D) obj;
return ((getX() == r2d.getX())
&& (getY() == r2d.getY())
&& (getWidth() == r2d.getWidth())
&& (getHeight() == r2d.getHeight()));
}
return false;
}
/**
* {@inheritDoc}
*
* @since 1.2
*/
public Rectangle2D createUnion(Rectangle2D r) {
Rectangle2D dest;
if (r instanceof Float) {
dest = new Rectangle2D.Float();
} else {
dest = new Rectangle2D.Double();
}
Rectangle2D.union(this, r, dest);
return dest;
}
/**
* Sets this <code>Rectangle2D</code> to be the same as the specified <code>Rectangle2D</code>.
*
* @param r the specified <code>Rectangle2D</code>
* @since 1.2
*/
public void setRect(Rectangle2D r) {
setRect(r.getX(), r.getY(), r.getWidth(), r.getHeight());
}
/**
* {@inheritDoc}
*
* @since 1.2
*/
public Rectangle2D createUnion(Rectangle2D r) {
Rectangle2D dest = new Rectangle2D.Double();
Rectangle2D.union(this, r, dest);
return dest;
}
/**
* {@inheritDoc}
*
* @since 1.2
*/
public Rectangle2D createIntersection(Rectangle2D r) {
Rectangle2D dest = new Rectangle2D.Double();
Rectangle2D.intersect(this, r, dest);
return dest;
}
/**
* {@inheritDoc}
*
* @since 1.2
*/
public void setRect(Rectangle2D r) {
this.x = r.getX();
this.y = r.getY();
this.width = r.getWidth();
this.height = r.getHeight();
}
