--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/com/glavsoft/drawing/SoftCursor.java	Tue Jul 03 13:20:49 2012 +0900
@@ -0,0 +1,88 @@
+// Copyright (C) 2010, 2011 GlavSoft LLC.
+// All rights reserved.
+//
+//-------------------------------------------------------------------------
+// This file is part of the TightVNC software.  Please visit our Web site:
+//
+//                       http://www.tightvnc.com/
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program; if not, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//-------------------------------------------------------------------------
+//
+
+package com.glavsoft.drawing;
+
+/**
+ * Abstract class for operations with soft cursor positions, dimensions and
+ * hot point position.
+ */
+public abstract class SoftCursor {
+
+	protected int hotX, hotY;
+	private int x, y;
+	public int width, height;
+	public int rX, rY;
+	public int oldRX, oldRY;
+	public int oldWidth, oldHeight;
+
+	public SoftCursor(int hotX, int hotY, int width, int height) {
+		this.hotX = hotX;
+		this.hotY = hotY;
+		oldWidth = this.width = width;
+		oldHeight = this.height = height;
+		oldRX = rX = 0;
+		oldRY = rY = 0;
+	}
+
+	/**
+	 * Update cursor position
+	 *
+	 * @param newX
+	 * @param newY
+	 */
+	public void updatePosition(int newX, int newY) {
+		oldRX = rX; oldRY = rY;
+		oldWidth = width; oldHeight = height;
+		x = newX; y = newY;
+		rX = x - hotX; rY = y - hotY;
+	}
+
+	/**
+	 * Set new cursor dimensions and hot point position
+	 *
+	 * @param hotX
+	 * @param hotY
+	 * @param width
+	 * @param height
+	 */
+	public void setNewDimensions(int hotX, int hotY, int width,	int height) {
+		this.hotX = hotX;
+		this.hotY = hotY;
+		oldWidth = this.width;
+		oldHeight = this.height;
+		oldRX = rX; oldRY = rY;
+		rX = x - hotX; rY = y - hotY;
+		this.width = width;
+		this.height = height;
+	}
+
+	public void createCursor(int[] cursorPixels, int hotX, int hotY, int width, int height) {
+		createNewCursorImage(cursorPixels, hotX, hotY, width, height);
+		setNewDimensions(hotX, hotY, width, height);
+	}
+
+	protected abstract void createNewCursorImage(int[] cursorPixels, int hotX, int hotY, int width, int height);
+
+}
\ No newline at end of file