Android中将一个图片切割成多个图片

 1 package com.example.imagesplitter;
 2 
 3 import android.graphics.Bitmap;
 4 
 5 /**
 6  * 图片切割实体类
 7  */
 8 public class ImagePiece {
 9     public int index = 0;
10     public Bitmap bitmap = null;
11 }

 1 package com.example.imagesplitter;
 2 
 3 import java.util.ArrayList;
 4 import java.util.List;
 5 
 6 import android.graphics.Bitmap;
 7 
 8 /**
 9  * 图片切割工具类
10  */
11 public class ImageSplitter {
12 
13     /**
14      * 图片切割
15      * @param bitmap 导入图片
16      * @param x x轴切割
17      * @param y y轴切割
18      * @return
19      */
20     public static List<ImagePiece> split(Bitmap bitmap, int x, int y) {
21         List<ImagePiece> pieces = new ArrayList<ImagePiece>();
22         int width = bitmap.getWidth();
23         int height = bitmap.getHeight();
24         int pieceWidth = width / x;
25         int pieceHeight = height / y;
26         for (int i = 0; i < y; i++) {
27             for (int j = 0; j < x; j++) {
28                 ImagePiece image = new ImagePiece();
29                 image.index = j + i * x;
30                 int xValue = j * pieceWidth;
31                 int yValue = i * pieceHeight;
32                 image.bitmap = Bitmap.createBitmap(bitmap, xValue, yValue,
33                         pieceWidth, pieceHeight);
34                 pieces.add(image);
35             }
36         }
37         return pieces;
38     }
39 }