comparison src/main/java/com/glavsoft/drawing/SoftCursor.java @ 0:4689cc86d6cb

create TreeViewer2 Repository
author Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
date Tue, 03 Jul 2012 13:20:49 +0900
parents
children 472a9bcacb21
comparison
equal deleted inserted replaced
-1:000000000000 0:4689cc86d6cb
1 // Copyright (C) 2010, 2011 GlavSoft LLC.
2 // All rights reserved.
3 //
4 //-------------------------------------------------------------------------
5 // This file is part of the TightVNC software. Please visit our Web site:
6 //
7 // http://www.tightvnc.com/
8 //
9 // This program is free software; you can redistribute it and/or modify
10 // it under the terms of the GNU General Public License as published by
11 // the Free Software Foundation; either version 2 of the License, or
12 // (at your option) any later version.
13 //
14 // This program is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 // GNU General Public License for more details.
18 //
19 // You should have received a copy of the GNU General Public License along
20 // with this program; if not, write to the Free Software Foundation, Inc.,
21 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 //-------------------------------------------------------------------------
23 //
24
25 package com.glavsoft.drawing;
26
27 /**
28 * Abstract class for operations with soft cursor positions, dimensions and
29 * hot point position.
30 */
31 public abstract class SoftCursor {
32
33 protected int hotX, hotY;
34 private int x, y;
35 public int width, height;
36 public int rX, rY;
37 public int oldRX, oldRY;
38 public int oldWidth, oldHeight;
39
40 public SoftCursor(int hotX, int hotY, int width, int height) {
41 this.hotX = hotX;
42 this.hotY = hotY;
43 oldWidth = this.width = width;
44 oldHeight = this.height = height;
45 oldRX = rX = 0;
46 oldRY = rY = 0;
47 }
48
49 /**
50 * Update cursor position
51 *
52 * @param newX
53 * @param newY
54 */
55 public void updatePosition(int newX, int newY) {
56 oldRX = rX; oldRY = rY;
57 oldWidth = width; oldHeight = height;
58 x = newX; y = newY;
59 rX = x - hotX; rY = y - hotY;
60 }
61
62 /**
63 * Set new cursor dimensions and hot point position
64 *
65 * @param hotX
66 * @param hotY
67 * @param width
68 * @param height
69 */
70 public void setNewDimensions(int hotX, int hotY, int width, int height) {
71 this.hotX = hotX;
72 this.hotY = hotY;
73 oldWidth = this.width;
74 oldHeight = this.height;
75 oldRX = rX; oldRY = rY;
76 rX = x - hotX; rY = y - hotY;
77 this.width = width;
78 this.height = height;
79 }
80
81 public void createCursor(int[] cursorPixels, int hotX, int hotY, int width, int height) {
82 createNewCursorImage(cursorPixels, hotX, hotY, width, height);
83 setNewDimensions(hotX, hotY, width, height);
84 }
85
86 protected abstract void createNewCursorImage(int[] cursorPixels, int hotX, int hotY, int width, int height);
87
88 }