package?cn.edu.jxau.image;

import?java.awt.Color;
import?java.awt.image.BufferedImage;
import?java.awt.image.ColorModel;
/**
?*?圖像的放大與縮小
?*?@author?xiaoxu
?*
?*/
public?class?AmplificatingShrinking?{
	
	/**
	?*?雙線(xiàn)性插值法圖像的放大
	?*?@param?srcPath
	?*?@param?distPath
	?*?@param?formatName
	?*?@param?k1
	?*?@param?k2
	?*/
	public?static?void?bilinearityInterpolation（String?srcPath?String?distPath
			String?formatName?float?k1?float?k2）?{
		BufferedImage?img?=?ImageDigital.readImg（srcPath）;
		BufferedImage?imgOut?=?bilinearityInterpolation（img?k1?k2）;
		ImageDigital.writeImg（imgOut?formatName?distPath）;
	}
	/**
	?*?雙線(xiàn)性插值法圖像的放大
	?*?
	?*?@param?img
	?*????????????要縮小的圖像對(duì)象
	?*?@param?k1
	?*????????????要縮小的列比列
	?*?@param?k2
	?*????????????要縮小的行比列
	?*?@return?返回處理后的圖像對(duì)象
	?*/
	public?static?BufferedImage?bilinearityInterpolation（BufferedImage?img?float?k1?float?k2）?{
		if?（k1?			System.err
					.println（“this?is?shrink?image?funcation?please?set?k1<=1?and?k2<=1！“）;
			return?null;
		}
		float?ii?=?1?/?k1;?//?采樣的行間距
		float?jj?=?（1?/?k2）;?//?采樣的列間距
		int?dd?=?（int）?（ii?*?jj）;
		//?int?m=0??n=0;
		int?imgType?=?img.getType（）;
		int?w?=?img.getWidth（）;?//?原圖片的寬
		int?h?=?img.getHeight（）;?//?原圖片的寬
		int?m?=?Math.round（k1?*?w）;?//?放大后圖片的寬
		int?n?=?Math.round（k2?*?h）;?//?放大后圖片的寬
		int[]?pix?=?new?int[w?*?h];
		pix?=?img.getRGB（0?0?w?h?pix?0?w）;
		/*
		?*?System.out.println（w?+?“?*?“?+?h）;?System.out.println（m?+?“?*?“?+?n）;
		?*/
		int[]?newpix?=?new?int[m?*?n];

		for?（int?j?=?0;?j?			for?（int?i?=?0;?i?				int?x0?=?Math.round（i?*?k1）;
				int?y0?=?Math.round（j?*?k2）;
				int?x1?y1;
				if?（i?==?w?-?2）?{
					x1?=?m?-?1;
				}?else?{
					x1?=?Math.round（（i?+?1）?*?k1）;
				}
				if?（j?==?h?-?2）?{
					y1?=?n?-?1;
				}?else?{
					y1?=?Math.round（（j?+?1）?*?k2）;
				}
				int?d1?=?x1?-?x0;
				int?d2?=?y1?-?y0;
				if?（0?==?newpix[y0?*?m?+?x0]）?{
					newpix[y0?*?m?+?x0]?=?pix[j?*?w?+?i];
				}
				if?（0?==?newpix[y0?*?m?+?x1]）?{
					if?（i?==?w?-?2）?{
						newpix[y0?*?m?+?x1]?=?pix[j?*?w?+?w?-?1];
					}?else?{
						newpix[y0?*?m?+?x1]?=?pix[j?*?w?+?i?+?1];
					}
				}
				if?（0?==?newpix[y1?*?m?+?x0]）?{
					if?（j?==?h?-?2）?{
						newpix[y1?*?m?+?x0]?=?pix[（h?-?1）?*?w?+?i];
					}?else?{
						newpix[y1?*?m?+?x0]?=?pix[（j?+?1）?*?w?+?i];
					}
				}
				if?（0?==?newpix[y1?*?m?+?x1]）?{
					if?（i?==?w?-?2?&&?j?==?h?-?2）?{
						newpix[y1?*?m?+?x1]?=?pix[（h?-?1）?*?w?+?w?-?1];
					}?else?{
						newpix[y1?*?m?+?x1]?=?pix[（j?+?1）?*?w?+?i?+?1];
					}
				}
				int?r?g?b;
				float?c;
				ColorModel?cm?=?ColorModel.getRGBdefault（）;
				for?（int?l?=?0;?l?					for?（int?k?=?0;?k?						if?（0?==?l）?{
							//?f（x0）?=?f（00）?+?c1*（f（10）-f（00））
							if?（j?								c?=?（float）?k?/?d1;
								r?

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

?????文件????????301??2012-11-24?23:35??ImageSearch\.classpath

?????文件????????387??2012-11-24?23:35??ImageSearch\.project

?????文件????????629??2012-11-24?23:35??ImageSearch\.settings\org.eclipse.jdt.core.prefs

?????文件???????7364??2012-11-24?23:36??ImageSearch\bin\cn\edu\jxau\image\AmplificatingShrinking.class

?????文件???????4047??2012-11-24?23:41??ImageSearch\bin\cn\edu\jxau\image\Fingerprint.class

?????文件???????4822??2012-11-24?23:54??ImageSearch\bin\cn\edu\jxau\image\ImageDigital.class

?????文件???????3127??2012-11-24?23:35??ImageSearch\bin\cn\edu\jxau\image\Transformation.class

?????文件??????69007??2012-11-24?23:37??ImageSearch\bin\image\person.jpg

?????文件???????2143??2012-11-24?23:37??ImageSearch\bin\image\person1.jpg

?????文件???????7959??2012-11-24?23:37??ImageSearch\bin\image\person10.jpg

?????文件???????2034??2012-11-24?23:37??ImageSearch\bin\image\person11.jpg

?????文件???????5181??2012-11-24?23:37??ImageSearch\bin\image\person2.jpg

?????文件???????1847??2012-11-24?23:37??ImageSearch\bin\image\person3.jpg

?????文件???????1143??2012-11-24?23:37??ImageSearch\bin\image\person4.jpg

?????文件???????4354??2012-11-24?23:37??ImageSearch\bin\image\person5.jpg

?????文件???????6735??2012-11-24?23:37??ImageSearch\bin\image\person6.jpg

?????文件???????7442??2012-11-24?23:37??ImageSearch\bin\image\person7.jpg

?????文件???????1872??2012-11-24?23:37??ImageSearch\bin\image\person8.jpg

?????文件???????1191??2012-11-24?23:37??ImageSearch\bin\image\person9.jpg

?????文件??????12960??2012-11-24?23:36??ImageSearch\src\cn\edu\jxau\image\AmplificatingShrinking.java

?????文件???????4736??2012-11-24?23:41??ImageSearch\src\cn\edu\jxau\image\Fingerprint.java

?????文件???????8590??2012-11-24?23:54??ImageSearch\src\cn\edu\jxau\image\ImageDigital.java

?????文件???????3310??2012-11-23?23:37??ImageSearch\src\cn\edu\jxau\image\Transformation.java

?????文件??????69007??2012-11-24?23:37??ImageSearch\src\image\person.jpg

?????文件???????2143??2012-11-24?23:37??ImageSearch\src\image\person1.jpg

?????文件???????7959??2012-11-24?23:37??ImageSearch\src\image\person10.jpg

?????文件???????2034??2012-11-24?23:37??ImageSearch\src\image\person11.jpg

?????文件???????5181??2012-11-24?23:37??ImageSearch\src\image\person2.jpg

?????文件???????1847??2012-11-24?23:37??ImageSearch\src\image\person3.jpg

?????文件???????1143??2012-11-24?23:37??ImageSearch\src\image\person4.jpg

............此處省略22個(gè)文件信息