for 倩怡, 能纵向拼合图片的东东

PhotoMerge.java

package com.github.cuter44.photomerge;

import java.io.*;
import java.awt.*;
import java.awt.image.*;
import javax.imageio.*;
import java.util.logging.*;

public class PhotoMerge
{
    public static void main(String[] args)
    {
        int padding = 0;

        Logger logger = Logger.getLogger(PhotoMerge.class.getName());
        //logger.addHandler(new ConsoleHandler());
        logger.setLevel(Level.CONFIG);

        ImageObserver io = new ImageObserver(){
            @Override
            public boolean imageUpdate(Image img, int infoflags, int x, int y, int width, int height)
            {
                return(infoflags == ImageObserver.ALLBITS);
            }
        };

        int x = 0;
        int y = 0;
        int w = 0;
        int h = 0;

        for (int i=0; i<args.length; i++)
        {
            try
            {
                logger.info("Fetch image: "+args[i]);
                BufferedImage in = ImageIO.read(
                    new File(args[i])
                );

                w = in.getWidth(io)>w ? in.getWidth(io) : w;
                h += in.getHeight(io) + padding;
            }
            catch (Exception ex)
            {
                logger.log(Level.SEVERE, "Error encounted, skipped.", ex);
            }
        }

        x = padding;
        y = padding;
        h += padding;
        w += padding*2;
        BufferedImage out = new BufferedImage(w, h ,BufferedImage.TYPE_3BYTE_BGR);
        Graphics g = out.getGraphics();

        logger.info("Prepare output:("+w+","+h+")");

        for (int i=0; i<args.length; i++)
        {
            try
            {
                logger.info("Write image: ("+x+","+y+") "+args[i]);
                BufferedImage in = ImageIO.read(
                    new File(args[i])
                );
                g.drawImage(in, x, y, io);

                y += in.getHeight(io) + padding;
            }
            catch (Exception ex)
            {
                logger.log(Level.SEVERE, "Error encounted, skipped.", ex);
            }
        }

        logger.info("Write out.");
        try
        {
            ImageIO.write(out, "jpg", new File(args[args.length-1]+".out.jpg"));
        }
        catch (Exception ex)
        {
            logger.log(Level.SEVERE, "Error encounted, skipped.", ex);
        }
    }
}