95 lines
2.2 KiB
Java
95 lines
2.2 KiB
Java
/* Copyright (C) 2016 Brian P. Hinz. All Rights Reserved.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*/
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package com.tigervnc.rfb;
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import java.awt.*;
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import java.awt.geom.*;
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public class Region extends Area {
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// Create an empty region
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public Region() {
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super();
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}
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// Create a rectangular region
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public Region(Rect r) {
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super(new Rectangle(r.tl.x, r.tl.y, r.width(), r.height()));
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}
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public Region(Region r) {
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super(r);
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}
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public void clear() { reset(); }
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public void reset(Rect r) {
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if (r.is_empty()) {
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clear();
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} else {
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clear();
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assign_union(new Region(r));
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}
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}
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public void translate(Point delta) {
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AffineTransform t =
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AffineTransform.getTranslateInstance((double)delta.x, (double)delta.y);
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transform(t);
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}
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public void assign_intersect(Region r) {
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super.intersect(r);
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}
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public void assign_union(Region r) {
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super.add(r);
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}
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public void assign_subtract(Region r) {
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super.subtract(r);
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}
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public Region intersect(Region r) {
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Region reg = new Region(this);
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((Area)reg).intersect(r);
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return reg;
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}
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public Region union(Region r) {
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Region reg = new Region(this);
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((Area)reg).add(r);
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return reg;
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}
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public Region subtract(Region r) {
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Region reg = new Region(this);
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((Area)reg).subtract(r);
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return reg;
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}
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public boolean is_empty() { return isEmpty(); }
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public Rect get_bounding_rect() {
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Rectangle b = getBounds();
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return new Rect((int)b.getX(), (int)b.getY(),
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(int)b.getWidth(), (int)b.getHeight());
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}
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}
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