BufferedImagePanel.java

package edu.stanford.hci.r3.util.components;

import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;

import javax.swing.JPanel;

public class BufferedImagePanel extends JPanel {

        private BufferedImage image;

        private Dimension size;

        private int x = 0;

        private int y = 0;

        public BufferedImagePanel() {

        }

        public BufferedImagePanel(BufferedImage img) {
                setImage(img);
        }

        public int getImageHeight() {
                return image.getHeight();
        }

        public int getImageWidth() {
                return image.getWidth();
        }

        public Dimension getMinimumSize() {
                return size;
        }

        @Override
        public void paintComponent(Graphics g) {
                super.paintComponent(g);
                final Graphics2D g2d = (Graphics2D) g;
                if (image != null) {
                        g2d.drawImage(image, null, x, y);
                }
        }

        public void setImage(BufferedImage img) {
                setImage(img, this.x, this.y);
        }

        public void setImage(BufferedImage img, int imgX, int imgY) {
                setOrigin(imgX, imgY);
                image = img;
                if (image == null) { // release memory
                        repaint();
                        return;
                }
                size = new Dimension(image.getWidth(), image.getHeight());
                // System.out.println(size);
                repaint();
        }

        public void setImageCentered(BufferedImage img) {
                setImage(img, (int) ((getWidth() - img.getWidth()) / 2.0), //
                                (int) ((getHeight() - img.getHeight()) / 2.0));
        }

        public void setOrigin(int x, int y) {
                this.x = x;
                this.y = y;
        }
}

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