package com.rosetta.image.test;

import org.opencv.core.Core;

import org.opencv.core.Mat;

import org.opencv.core.Rect;

import org.opencv.highgui.Highgui;

/**

 * @Author: nya

 * @Date: 18-8-28 下午5:50

 */

public class SplitImage {

    public static void main(String[] args ){

        System.loadLibrary(Core.NATIVE_LIBRARY_NAME);

        Mat image = Highgui.imread("/home/han/images/55.png");

        //System.out.println( "mat = " + image.dump() );

        int m = 5;

        int n = 5;

        int height = image.rows();

        int width  = image.cols();

        System.out.println("height:"+height+" width:"+width);

        int ceil_height = height/m;

        int ceil_width  = width/n;

        System.out.println("ceil_height:"+ceil_height+" ceil_width:"+ceil_width);

        String filename = "/home/han/images/split/sub";

        int x = m / 3;

        int y = m % 3;

        int z = (x - 1) * 3 + y + 1;

        for(int i = 0; i<z; i++ ) {

            for(int j = 0; j<z; j++){

                int a = i * ceil_width ;

                int b = j * ceil_height;

                System.out.println(a+","+b+","+ceil_width+","+ceil_height);

                Rect rect = new Rect(a,b,3*ceil_width,3*ceil_height);

                Mat roi_img = new Mat(image,rect);

                //Mat tmp_img = new Mat();

                //roi_img.copyTo(tmp_img);

                Highgui.imwrite(filename+"_"+i+"_"+j+".jpg", roi_img);

            }

        }

    }

}