// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License. Citrix Systems, Inc.
// reserves all rights not expressly granted by the License.
// You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Automatically generated by addcopyright.py at 04/03/2012
package com.cloud.consoleproxy.util;
import java.awt.Rectangle;
import java.util.ArrayList;
import java.util.List;
public class Region {
private Rectangle bound;
private List<Rectangle> rectList;
public Region() {
bound = new Rectangle(0, 0, 0, 0);
rectList = new ArrayList<Rectangle>();
}
public Region(Rectangle rect) {
bound = new Rectangle(rect.x, rect.y, rect.width, rect.height);
rectList = new ArrayList<Rectangle>();
rectList.add(rect);
}
public Rectangle getBound() {
return bound;
}
public void clearBound() {
assert(rectList.size() == 0);
bound.x = bound.y = bound.width = bound.height = 0;
}
public List<Rectangle> getRectangles() {
return rectList;
}
public boolean add(Rectangle rect) {
if(bound.isEmpty()) {
assert(rectList.size() == 0);
bound.x = rect.x;
bound.y = rect.y;
bound.width = rect.width;
bound.height = rect.height;
rectList.add(rect);
return true;
}
Rectangle rcInflated = new Rectangle(rect.x - 1, rect.y- 1, rect.width + 2, rect.height + 2);
if(!bound.intersects(rcInflated))
return false;
for(Rectangle r : rectList) {
if(r.intersects(rcInflated)) {
if(!r.contains(rect)) {
enlargeBound(rect);
rectList.add(rect);
return true;
}
}
}
return false;
}
private void enlargeBound(Rectangle rect) {
int boundLeft = Math.min(bound.x, rect.x);
int boundTop = Math.min(bound.y, rect.y);
int boundRight = Math.max(bound.x + bound.width, rect.x + rect.width);
int boundBottom = Math.max(bound.y + bound.height, rect.y + rect.height);
bound.x = boundLeft;
bound.y = boundTop;
bound.width = boundRight - boundLeft;
bound.height = boundBottom - boundTop;
}
}