package?llk;

import?java.io.BufferedInputStream;
import?java.io.ByteArrayOutputStream;
import?java.io.FileInputStream;
import?java.io.IOException;

/**
?*?@author?神
?*?
?*/
public?class?BMP?{

	private?int?width;
	private?int?height;
	private?byte[]?data;

	public?BMP（）?{

	}

	public?BMP（String?src）?{
		this.read（src）;
	}

	public?int?getWidth（）?{
		return?width;
	}

	public?int?getHeight（）?{
		return?height;
	}

	public?static?int?b2i（byte[]?b?int?s）?{
		int?ret?=?0;
		for?（int?i?=?0;?i?			int?temp?=?b[s?+?i]?&?0xff;
			ret?+=?temp?<		}
		return?ret;
	}

	/**?*?讀取圖片文件?*?@param?src?文件路徑?*/
	public?void?read（String?src）?{
		width?=?0;
		height?=?0;
		ByteArrayOutputStream?bs?=?new?ByteArrayOutputStream（）;
		BufferedInputStream?in?=?null;
		try?{
			in?=?new?BufferedInputStream（new?FileInputStream（src））;
			byte[]?b?=?new?byte[1024?*?1024];
			int?len?=?0;
			while?（（len?=?in.read（b））?!=?-1）?{
				bs.write（b?0?len）;
				bs.flush（）;
			}
			data?=?bs.toByteArray（）;
			width?=?b2i（data?18）;
			height?=?b2i（data?22）;
		}?catch?（IOException?e）?{
			e.printStackTrace（）;
		}?finally?{
			try?{
				bs.close（）;
				in.close（）;
			}?catch?（IOException?e）?{
				e.printStackTrace（）;
			}
		}
	}

	//?這方法搗鼓了我好久才弄出來(lái)
	public?int?getColor（int?x?int?y）?{
		//?BMP圖要求每行字節(jié)數(shù)為4的倍數(shù)不夠則填充1-3個(gè)無(wú)用字節(jié)
		int?lineW?=?0;
		switch?（（width?*?3）?%?4）?{
		case?0:
			lineW?=?width?*?3;
			break;
		case?1:
			lineW?=?width?*?3?+?3;
			break;
		case?2:
			lineW?=?width?*?3?+?2;
			break;
		case?3:
			lineW?=?width?*?3?+?1;
		}
		int?i?=?54?+?（height?-?y?-?1）?*?lineW?+?3?*?x;
		int?r?=?data[i?+?2]?&?0xff;
		int?g?=?data[i?+?1]?&?0xff;
		int?b?=?data[i]?&?0xff;
		return?r?+?（g?<	}

	public?void?setColor（int?x?int?y?int?v）?{
		int?lineW?=?0;
		switch?（（width?*?3）?%?4）?{
		case?0:
			lineW?=?width?*?3;
			break;
		case?1:
			lineW?=?width?*?3?+?3;
			break;
		case?2:
			lineW?=?width?*?3?+?2;
			break;
		case?3:
			lineW?=?width?*?3?+?1;
		}
		int?i?=?54?+?（height?-?y?-?1）?*?lineW?+?3?*?x;
		data[i?+?2]?=?（byte）?（（v?>>?16）?&?0xff）;
		data[i?+?1]?=?（byte）?（（v?>>?8）?&?0xff）;
		data[i]?=?（byte）?（v?&?0xff）;
	}
	

	//?取矩形顏色數(shù)據(jù)
	public?byte[]?getData（int?x?int?y?int?w?int?h）?{
		ByteArrayOutputStream?bos?=?new?ByteArrayOutputStream（w?*?h）;
		try?{
			for?（int?i?=?x;?i?				for?（int?j?=?y;?j?					bos.write（getColor（i?j））;
					bos.flush（）;
				}
			}
			bos.close（）;
		}?catch?（IOException?e）?{
			e.printStackTrace（）;
		}
		return?bos.toByteArray（）;
	}

}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件????????353??2013-03-20?20:22??llk\.classpath

?????文件????????379??2013-03-20?17:00??llk\.project

?????文件????????629??2013-03-20?17:00??llk\.settings\org.eclipse.jdt.core.prefs

?????文件???????3100??2013-03-21?11:37??llk\bin\llk\BMP.class

?????文件???????3367??2013-03-21?01:31??llk\bin\llk\DepthFirst.class

?????文件????????628??2013-03-21?01:13??llk\bin\llk\Fangkuai.class

?????文件????????902??2013-03-21?01:27??llk\bin\llk\FkSet.class

?????文件???????2650??2013-03-21?11:48??llk\bin\llk\Lianlk.class

?????文件????????726??2013-03-20?20:55??llk\bin\llk\Point.class

?????文件????????614??2013-03-20?22:41??llk\bin\win32\Mouse.class

?????文件????????285??2013-03-20?21:51??llk\bin\win32\Point.class

?????文件????????320??2013-03-20?22:40??llk\bin\win32\Rect.class

?????文件????????570??2013-03-20?22:41??llk\bin\win32\User32.class

?????文件???????1426??2013-03-21?01:40??llk\bin\win32\Window.class

?????文件?????865400??2013-03-20?20:22??llk\jna-3.3.0.jar

?????文件???????2720??2013-03-21?11:37??llk\src\llk\BMP.java

?????文件???????3776??2013-03-21?01:31??llk\src\llk\DepthFirst.java

?????文件????????359??2013-03-21?01:13??llk\src\llk\Fangkuai.java

?????文件????????483??2013-03-21?01:27??llk\src\llk\FkSet.java

?????文件???????1869??2013-03-21?11:48??llk\src\llk\Lianlk.java

?????文件????????351??2013-03-20?17:05??llk\src\llk\Point.java

?????文件????????285??2013-03-20?22:41??llk\src\win32\Mouse.java

?????文件????????133??2013-03-20?21:51??llk\src\win32\Point.java

?????文件????????188??2013-03-20?22:40??llk\src\win32\Rect.java

?????文件????????348??2013-03-20?22:41??llk\src\win32\User32.java

?????文件????????748??2013-03-21?01:40??llk\src\win32\Window.java

?????目錄??????????0??2013-03-21?11:50??llk\bin\llk

?????目錄??????????0??2013-03-21?11:50??llk\bin\win32

?????目錄??????????0??2013-03-21?11:50??llk\src\llk

?????目錄??????????0??2013-03-21?11:50??llk\src\win32

............此處省略7個(gè)文件信息