get Icon Subimage - Java 2D Graphics

Java examples for 2D Graphics:Image

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Description

get Icon Subimage

Demo Code


//package com.java2s;
import java.awt.*;
import javax.swing.ImageIcon;
import java.awt.image.BufferedImage;

public class Main {
    private static byte tileWidth = 64;
    private static byte tileHeight = 64;

    public static BufferedImage getIconSubimage(ImageIcon source,
            Point origin, int width, int height) {
        // Convert "source" ImageIcon to a BufferedImage so it can be sliced and diced
        BufferedImage img = new BufferedImage(source.getIconWidth(),
                source.getIconHeight(), BufferedImage.TYPE_INT_ARGB);
        Graphics g = img.createGraphics();
        g.drawImage(source.getImage(), 0, 0, null);

        // Use the magic of math to grab the tile the user clicked on and save it to be used elsewhere
        BufferedImage subimage = img.getSubimage(origin.x
                - (origin.x % tileWidth), origin.y
                - (origin.y % tileHeight), width, height);

        // Return the subimage retrieved from the "source" ImageIcon
        return subimage;
    }/*from   ww w  .  ja va  2s. c o  m*/
}

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