Java split mosaic picture __java

Source: Internet
Author: User
Split Picture
Java code    private static void splitimage ()  throws IOException {               String originalImg =  "c:\\img \\split\\a380_1280x1024.jpg ";          //  read the big picture         file file = new file (originalimg);        Fileinputstream fis = new fileinputstream (file);        Bufferedimage image = imageio.read (FIS);          //   Split into 4*4 (16) A small map        int rows = 4;        int cols = 4;       int chunks = rows  * cols;          //  Calculate the width and height of each small map         int&nBsp;chunkwidth = image.getwidth ()  / cols;       int  Chunkheight = image.getheight ()  / rows;          int  count = 0;       BufferedImage imgs[] = new  bufferedimage[chunks];       for  (int x = 0; x <  rows; x++)  {           for  (int y  = 0; y < cols; y++)  {                //the size and type of the small chart                 imgs[count] = new bufferedimage (chunkwidth, chunkheight,  Image.gettype ());                   //Write image content                graphics2d gr =  imgs[count++].creategraphics ();                gr.drawimage (image, 0, 0,                         chunkwidth, chunkheight,                          chunkWidth* y, chunkHeight * x,                          chunkWidth * y + chunkWidth,                        chunkheight * x +  chunkheight, nulL);               gr.dispose ();            }       }           //  output Small figure        for  (int i =  0; i < imgs.length; i++)  {            imageio.write (imgs[i],  "JPG",  new file ("C:\\img\\split\\img"  + i +   ". jpg");       }            &NBSP;&NBSP;&NBSP;SYSTEM.OUT.PRINTLN ("complete segmentation.") ");  }  



Stitching Pictures
Java code    private static void mergeimage ()  throws IOException {           int rows = 2;       int  cols = 2;       int chunks = rows * cols ;          int chunkWidth, chunkHeight;        int type;          //Read Small map         File[] imgFiles = new File[chunks];       for   (int i = 0; i < chunks; i++)  {            imgfiles[i] = new file ("C:\\img\\merge\\img"  + i +   ". jpg");       }          // Create bufferedimage       BufferedImage[] buffImages = new BufferedImage[chunks];        for  (int i = 0; i < chunks; i++ )  {           buffimages[i] = imageio.read ( Imgfiles[i]);       }       type =  Buffimages[0].gettype ();       chunkwidth = buffimages[0].getwidth ();        chunkheight = buffimages[0].getheight ();          //sets the size and type of the picture after stitching        bufferedimage finalimg =  new bufferedimage (Chunkwidth * cols, chunkheight * rows, type);   

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