Java tutorial
/* * Copyright 2010 jOpenRay, ILM Informatique * * 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, see <http://www.gnu.org/licenses/> */ package org.jopenray.operation; import java.awt.Color; import org.apache.commons.io.HexDump; public class SetMouseCursorOperation extends Operation { public static int INVISIBLE_CURSOR = 0; public static int UNIX_CURSOR = 1; static final byte[] unixCursorBitmap = new byte[] { 0x00, 0x00, 0x70, 0x0E, 0x78, 0x1E, 0x7C, 0x3E, 0x3E, 0x7C, 0x1F, (byte) 0xF8, 0x0F, (byte) 0xF0, 0x07, (byte) 0xE0, 0x07, (byte) 0xE0, 0x0F, (byte) 0xF0, 0x1F, (byte) 0xF8, 0x3E, 0x7C, 0x7C, 0x3E, 0x78, 0x1E, 0x70, 0x0E, 0x00, 0x00 }; static final byte[] unixCursorBitmapMask = new byte[] { (byte) 0xF0, 0x0F, (byte) 0xF8, 0x1F, (byte) 0xFC, 0x3F, (byte) 0xFE, 0x7F, 0x7F, (byte) 0xFE, 0x3F, (byte) 0xFC, (byte) 0x1F, (byte) 0xF8, 0x0F, (byte) 0xF0, 0x0F, (byte) 0xF0, 0x1F, (byte) 0xF8, 0x3F, (byte) 0xFC, 0x7F, (byte) 0xFE, (byte) 0xFE, 0x7F, (byte) 0xFC, 0x3F, (byte) 0xF8, 0x1F, (byte) 0xF0, 0x0F }; public SetMouseCursorOperation(int type) { if (type == UNIX_CURSOR) { init(7, 7, 16, 16, Color.BLACK, Color.ORANGE, unixCursorBitmap, unixCursorBitmapMask); } else { init(1, 1, 16, 16, Color.BLACK, Color.WHITE, new byte[32], new byte[32]); } } public SetMouseCursorOperation(int offsetX, int offsetY, int width, int height, Color c0, Color c1, byte[] bitmap, byte[] mask) { init(offsetX, offsetY, width, height, c0, c1, bitmap, mask); } private void init(int offsetX, int offsetY, int width, int height, Color c0, Color c1, byte[] bitmap, byte[] mask) { final int expectedLength = (height * width) / 8; if (bitmap.length != expectedLength) { throw new IllegalArgumentException("Bad bitmap length:" + bitmap.length + " must be " + expectedLength + "(" + width + "x" + height + ")"); } if (mask.length != expectedLength) { try { HexDump.dump(bitmap, 0, System.err, 0); HexDump.dump(mask, 0, System.err, 0); } catch (Exception ignr) { } throw new IllegalArgumentException("Bad mask length:" + mask.length + " must be " + expectedLength + "(" + width + "x" + height + ")"); } allocate(12 + 8 + bitmap.length + mask.length); setHeader(0xA9, offsetX, offsetY, width, height); buffer.addColor(c0); buffer.addColor(c1); buffer.addBytes(bitmap); buffer.addBytes(mask); } @Override public void dump() { System.out.println("SetMouseCursorOperation"); } }