win32toolkit.java

MSN聊天软件Java版是一个韩国人做的java版的msn程序。可以学习参考一下。

/**
 * @(#)Win32Toolkit.java
 *
 * Copyright (c) 2001, JangHo Hwang
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 	1. Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *
 * 	2. Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * 	3. Neither the name of the JangHo Hwang nor the names of its contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *   $Id: Win32Toolkit.java,v 1.2 2002/03/18 20:29:26 xrath Exp $
 */
package rath.tools;

import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Polygon;
import java.awt.Window;
import java.awt.event.*;
import java.awt.image.BufferedImage;
import java.awt.image.ColorModel;
import java.awt.image.DataBuffer;
import java.awt.image.DataBufferInt;
import java.awt.image.SampleModel;
import java.awt.image.Raster;

import rath.NotSupportedPlatformException;
import rath.tools.tray.TrayIcon;
import rath.tools.tray.TrayEventListener;
import rath.tools.tray.TrayIconManager;
/**
 * win32俊辑 力傍登绰 犁固乐绰 扁瓷甸阑 荤侩且 荐 乐绰 档备惑磊努贰胶捞促.
 * <p>
 * 措何盒 Windows 拌凯俊辑 悼累窍瘤父, 漂沥 皋家靛甸篮 Windows 2000俊辑父
 * 悼累且 巴捞促.
 *
 * @author Jangho Hwang, [e-mail]
 * @version $Id: Win32Toolkit.java,v 1.2 2002/03/18 20:29:26 xrath Exp $ since 2001/12/05
 */
public class Win32Toolkit
{
	private static boolean isLoaded = false;

	/**
	 * Win32 toolkit 牢胶畔胶甫 积己茄促.
	 */
	public static synchronized Win32Toolkit getInstance()
		throws NotSupportedPlatformException
	{
		if( !isLoaded )
		{
			String os = System.getProperty("os.name");
			if( !os.startsWith("Windows") )
				throw new NotSupportedPlatformException(os);

			System.loadLibrary( "rath_awt" );
			isLoaded = true;
		}

		return new Win32Toolkit();
	}

	private Win32Toolkit()
	{

	}

	/**
	 * 林绢柳 哪器惩飘甫 八篮祸栏肺 舅颇喉坊爹窍绊 transparency狼 捧疙档甫 啊瘤档废 函版茄促.
	 * 捞 皋家靛绰 <b>Windows 2000</b>捞惑俊辑父 累悼且 巴捞促. <br>
	 * 肚茄 格利 哪器惩飘啊 Swing老 版快
	 * DirectDraw 可记阑 波林绢具 茄促. ddraw 可记阑 掺绰 规过篮 jvm阑 startup且锭 券版函荐甫
	 * 林绰 巴栏肺 力绢且 荐 乐促.
	 * <p>
	 * java <b>-Dsun.java2d.noddraw=true</b> AppMain ...
	 *
	 * @param  comp  捧疙窍霸 父甸绊磊 窍绰 哪器惩飘
	 * @param  transparency  捧疙档. 0捞搁 肯傈 捧疙捞绊, 255搁 肯傈 阂捧疙捞促.
	 */
	public void makeTransparency( Window comp, int transparency )
	{
		makeTransparency( comp, Color.black, transparency );
	}

	/**
	 * 林绢柳 哪器惩飘甫 blendColor肺 舅颇喉坊爹窍绊 transparency狼 捧疙档甫 啊瘤档废 函版茄促.
	 * 捞 皋家靛绰 <b>Windows 2000</b>捞惑俊辑父 累悼且 巴捞促.
	 * 肚茄 格利 哪器惩飘啊 Swing老 版快
	 * DirectDraw 可记阑 波林绢具 茄促. ddraw 可记阑 掺绰 规过篮 jvm阑 startup且锭 券版函荐甫
	 * 林绰 巴栏肺 力绢且 荐 乐促.
	 * <p>
	 * java <b>-Dsun.java2d.noddraw=true</b> AppMain ...
	 *
	 * @param  comp  捧疙窍霸 父甸绊磊 窍绰 哪器惩飘
	 * @param  blendColor    泅犁绰 荤侩登瘤 臼绰促. (OS俊辑绰 力傍茄促)
	 * @param  transparency  捧疙档. 0捞搁 肯傈 捧疙捞绊, 255搁 肯傈 阂捧疙捞促.
	 */
	public void makeTransparency( Window comp, Color blendColor, int transparency )
	{
		if( comp==null )
			throw new IllegalArgumentException( "comp is null" );
		if( blendColor==null )
			blendColor = Color.black;
		if( transparency < -1 || transparency > 255 )
			throw new IllegalArgumentException( "transparency must be between -1 and 255" );

		makeTransparency0( comp, blendColor.getRed(), blendColor.getGreen(), blendColor.getBlue(),
			transparency );
	}

	private native void makeTransparency0( Window comp, int r, int g, int b, int transparency );

	/**
	 * 林绢柳 window甫 Polygon 康开父 焊咯瘤绊 唱赣瘤 康开篮 捧疙窍霸 父甸绢滚赴促.
	 * 茄付叼肺 富窍磊搁 芒阑 别绰促.
	 */
	public void makePolygonRegion( Window window, Polygon p )
	{
		if( window==null )
			throw new IllegalArgumentException( "window is null" );
		if( p==null )
			throw new IllegalArgumentException( "polygon is null" );

		makePolygonRegion0( window, p, true );
	}

	private native void makePolygonRegion0( Window window, Polygon p, boolean redraw );

	public void makeTopMost( Window window, boolean enable )
	{
		makeTopMost0( window, enable );
	}

	private native void makeTopMost0( Window window, boolean enable );

	/**
	 * Java狼 Image甫 啊瘤绊 HICON 按眉甫 积己窍咯 弊 勤甸阑 逞败霖促.
	 * 酒捞能捞 歹捞惑 鞘夸啊 绝绢瘤搁 馆靛矫 destroyIcon 皋家靛甫 烹秦辑
	 * 且寸等 府家胶甫 钱绢林绢具 茄促.
	 * <p>
	 * 父距 null阑 逞变促搁, 0L捞 馆券登霸 瞪 巴捞促.
	 */
	public long createIconFromImage( Image icon )
	{
		if( icon==null )
			return 0L;

		// 酒贰狼 蔼篮 流立 郴 单胶农啪俊辑 SM阑 掘绢客辑 窍靛内爹窍看促.
		int w = 16; // Default icon width    use GetSystemMetrics( SM_CXICON );
		int h = 16; // Default icon height   use GetSystemMetrics( SM_CYICON );

		BufferedImage bi = new BufferedImage( w, h, BufferedImage.TYPE_INT_ARGB );
		Graphics g = bi.getGraphics();
		g.drawImage( icon, 0, 0, w, h, null );
		g.dispose();

		Raster raster = bi.getRaster();
		DataBuffer dataBuffer = raster.getDataBuffer();

		/*
		 * 酒贰狼 内靛绰 sun荤狼 WFramePeer.java 家胶甫 曼炼窍咯 芭狼 弊措肺
		 * 荤侩窍看促. 龋券阑 困茄 咯矾啊瘤 内靛甫 力芭窍看绊, 己瓷氢惑阑 困茄
		 * 埃窜茄 内靛甫 眠啊窍看促.
		 */
		ColorModel alphaCheck = bi.getColorModel();
		//Create icon mask for transparent icons
		//Color icon, so only creating AND mask, not XOR mask
		byte iconmask[] = new byte[((w * h) + 7 / 8)];
		byte tempAND;
		int bufIdx = 0;
		int maskIdx = 0;
		boolean isTransparent = false;

		int bufferSize = dataBuffer.getSize();

		for (bufIdx = 0, maskIdx = 0; bufIdx < bufferSize && maskIdx < iconmask.length;
			maskIdx++)
		{
			tempAND = 0;
			for (int bitIdx = 0; bitIdx < 8 && bufIdx < bufferSize; bitIdx++)
			{
				//This seems wrong - shouldn't it be masked if alpha
				//ISN'T 0? 捞痢篮 唱肚茄 捞惑窍霸 积阿茄促.
				//牢埃利栏肺 关狼 内靛绰 窍唱档 捞秦且 荐 绝促 -.-
				if (alphaCheck.getAlpha(dataBuffer.getElem(bufIdx++)) == 0)
				{
					isTransparent = true;
					tempAND |= (byte)0x1;
				}
				else
					tempAND &= (byte)0xFE;

				if (bitIdx < 7)
					tempAND = (byte)(tempAND << 1);
			}
			iconmask[maskIdx] = tempAND;
		}

		if (!isTransparent)
			iconmask = null;

		/*
		 * Scansize甫 备窍绰 内靛绰 泅犁 力芭登菌促. 鞘夸窍促搁,
		 * BufferedImage.getSampleModel肺 SampleModel阑 掘绢柯 饶
		 * 捞巴阑 SinglePixelPackedSampleModel肺 cast窍咯 getScanlineStride 皋家靛甫
		 * 荤侩窍档废 窍扼.
		 */
		return createIconFromRaster0(
			((DataBufferInt)dataBuffer).getData(), iconmask,
			raster.getWidth(), raster.getWidth(), raster.getHeight());
	}

	/**
	 * 林绢柳 单捞磐肺何磐 HICON阑 积己窍咯, 弊 勤甸狼 器牢磐甫 馆券茄促.
	 */
	private native long createIconFromRaster0( int[] data, byte[] maskData,
		int ss, int width, int height );

	/**
	 * 酒捞能 勤甸阑 皋葛府俊辑 力芭茄促.
	 */
	public native void destroyIcon( long iconHandle );
};