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图片切割工具类

public class ImageSplitter  {
         /**      * 将图片切成 , piece *piece      *       * @param bitmap      * @param piece      * @return      */      public static List
   
     split(Bitmap bitmap, int piece)      {          List
    
      pieces = new ArrayList
     
      (piece * piece);          int width = bitmap.getWidth();          int height = bitmap.getHeight();          Log.e("TAG", "bitmap Width = " + width + " , height = " + height);          int pieceWidth = Math.min(width, height) / piece;          for (int i = 0; i < piece; i++)          {              for (int j = 0; j < piece; j++)              {                  ImagePiece imagePiece = new ImagePiece();                  imagePiece.index = j + i * piece;                  int xValue = j * pieceWidth;                  int yValue = i * pieceWidth;                  imagePiece.bitmap = Bitmap.createBitmap(bitmap, xValue, yValue,                          pieceWidth, pieceWidth);                  pieces.add(imagePiece);              }          }          return pieces;      }  }
     
    
   

图片切割实体类：

public class ImagePiece  {      public int index = 0;      public Bitmap bitmap = null;  }

使用方法：

private void initBitmap()      {          if (mBitmap == null)              mBitmap = BitmapFactory.decodeResource(getResources(),                      R.drawable.aa);         List
   
     mItemBitmaps = ImageSplitter.split(mBitmap, mColumn);          Collections.sort(mItemBitmaps, new Comparator
    
     ()          {              @Override              public int compare(ImagePiece lhs, ImagePiece rhs)              {                  return Math.random() > 0.5 ? 1 : -1;              }          });      }
    
   

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