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把一张合成图分拆出各个小图

反编译一个程序,看到一张合成图,想分拆出里面的每个小图,知道了各个图的坐标大小后,写了一个小方法,希望对大家有用哈

package com.bitimage;import java.io.ByteArrayInputStream;import java.io.ByteArrayOutputStream;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import android.app.Activity;import android.graphics.Bitmap;import android.graphics.Bitmap.CompressFormat;import android.graphics.drawable.BitmapDrawable;import android.graphics.drawable.Drawable;import android.os.Bundle;import android.os.Environment;public class BigImageToSmall extends Activity {		@Override	public void onCreate(Bundle savedInstanceState) {		super.onCreate(savedInstanceState);		setContentView(R.layout.main);		int[] ix = { 0, 0, 32, 64, 96, 128, 168, 208, 248, 0, 33, 66, 99, 132,				150, 168, 132, 150, 168, 186, 204, 222, 186, 204, 222, 0, 0, 0,				240, 240, 260, 260, 0, 31, 95, 159, 223, 700, 670, 670, 287, 0,				260, 0, 12, 24, 36, 48, 60, 72, 84, 96, 108, 0, 670, 670, 0, 0,				626, 648, 0, 298, 0, 288, 320, 0, 0, 670, 702, 734, 670, 702,				734, 670, 702, 734, 670, 120, 130, 140, 150, 160, 170, 180,				190, 200, 210, 702, 0, 0, 0, 0, 0, 320, 0 };		int[] iy = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 42, 42, 42, 42, 40, 40, 40, 58,				58, 58, 40, 40, 40, 58, 58, 58, 76, 127, 144, 40, 57, 231, 248,				280, 280, 280, 280, 280, 295, 234, 295, 280, 321, 153, 153,				153, 153, 153, 153, 153, 153, 153, 153, 153, 355, 0, 139, 504,				225, 0, 0, 170, 40, 425, 0, 263, 0, 0, 333, 333, 333, 380, 380,				380, 427, 427, 427, 474, 153, 153, 153, 153, 153, 153, 153,				153, 153, 153, 474, 0, 0, 0, 0, 0, 0, 459 };		int[] iw = { 0, 32, 32, 32, 32, 40, 40, 40, 40, 33, 33, 33, 33, 18, 18,				18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 290, 320, 294, 58, 48,				58, 58, 31, 64, 64, 64, 64, 44, 80, 30, 31, 320, 50, 12, 12,				12, 12, 12, 12, 12, 12, 12, 12, 310, 113, 110, 308, 260, 22,				22, 260, 17, 320, 28, 202, 1, 1, 32, 32, 32, 32, 32, 32, 32,				32, 32, 32, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 76, 1, 1,				1, 1, 1, 306, 320 };		int[] ih = { 0, 42, 42, 42, 42, 35, 35, 35, 35, 34, 34, 34, 34, 18, 18,				18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 51, 17, 9, 17, 9, 17,				17, 41, 41, 41, 41, 41, 24, 61, 32, 41, 34, 78, 17, 17, 17, 17,				17, 17, 17, 17, 17, 17, 70, 139, 95, 40, 55, 520, 520, 55, 20,				34, 36, 57, 1, 1, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 17,				17, 17, 17, 17, 17, 17, 17, 17, 17, 48, 1, 1, 1, 1, 1, 263, 45 };		System.out.println("ix length = " + ix.length);		System.out.println("iy length = " + iy.length);		System.out.println("iw length = " + iw.length);		System.out.println("ih length = " + ih.length);		FileOutputStream fos = null;		for (int i = 1; i < 95; i++) {			System.out.println(i);			String aa = String.format("a%02d", i);			File file = new File(Environment.getExternalStorageDirectory(), aa + ".png");//			File file = new File(System.getProperty("user.dir"),"a"//					+ i + ".png");			System.out.println(file);			if (!file.exists()) {				try {					file.createNewFile();				} catch (IOException e) {					e.printStackTrace();				}			}			Drawable d = getResources().getDrawable(R.drawable.cs_jmp);			BitmapDrawable bd = (BitmapDrawable) d;			Bitmap bm = bd.getBitmap();			Bitmap bitmap = Bitmap.createBitmap(bm, ix[i], iy[i], iw[i], ih[i]);			ByteArrayOutputStream baos = new ByteArrayOutputStream();			bitmap.compress(CompressFormat.PNG, 100, baos);			InputStream in = new ByteArrayInputStream(baos.toByteArray());			try {				fos = new FileOutputStream(file);				byte[] bytes = new byte[100];				int tempbyte;				while ((tempbyte = in.read(bytes)) != -1) {					System.out.println("tempbyte = " + tempbyte);					fos.write(bytes,0,tempbyte);				}				fos.flush();			} catch (Exception e) {				e.printStackTrace();			} finally {				if (fos != null) {					try {						fos.close();					} catch (IOException e) {						e.printStackTrace();					}				}				if (in != null) {					try {						in.close();					} catch (IOException e) {						e.printStackTrace();					}				}			}		}	}}

  记得加权限哦

<uses-permission		android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

  demo图片

把一张合成图分拆出各个小图