package jp.sourceforge.qrcode.example.jmf;// NOTE: main class is in jmfexample.javaimport java.awt.Canvas;import java.awt.Color;import java.awt.Graphics;import java.awt.Graphics2D;import java.awt.Image;import java.awt.image.BufferedImage;import java.awt.image.PixelGrabber;import java.io.File;import java.io.IOException;import javax.imageio.ImageIO;import javax.media.Buffer;import javax.media.Processor;import javax.media.control.FrameGrabbingControl;import javax.media.format.VideoFormat;import javax.media.util.BufferToImage;import jp.sourceforge.qrcode.QRCodeDecoder;import jp.sourceforge.qrcode.data.QRCodeImage;import jp.sourceforge.qrcode.exception.DecodingFailedException;import jp.sourceforge.qrcode.geom.Line;import jp.sourceforge.qrcode.geom.Point;import jp.sourceforge.qrcode.util.DebugCanvas;public class QRCodeDecoderJMFExample implements Runnable {	Processor processor;	QRCodeDecoder decoder;	JMFCanvas canvas;	public QRCodeDecoderJMFExample(Processor processor) {		this.processor = processor;	}		public BufferedImage getDebugImage() {		return canvas.getImage();	}		public  void run() {		for (;;) {	        FrameGrabbingControl fgc = (FrameGrabbingControl) processor.getControl("javax.media.control.FrameGrabbingControl");	        Buffer buf = fgc.grabFrame();	        BufferToImage btoi = new BufferToImage((VideoFormat)buf.getFormat());	        Image img = btoi.createImage(buf);	        QRCodeDecoder decoder = new QRCodeDecoder();	        int width = processor.getVisualComponent().getWidth();	        int height = processor.getVisualComponent().getHeight();	        canvas = new JMFCanvas();	        QRCodeDecoder.setCanvas(canvas);	        try {	        	J2SEImage decoderImage = new J2SEImage(img, width, height);	        	String decodedString = new String(decoder.decode(decoderImage));	        	System.out.println("Result: "+ decodedString);	        	File resultImage = new File("C:\\tmp\\result.jpg");	        	try {	        		ImageIO.write(canvas.getImage(), "png", resultImage);	        	} catch (IOException e) {	        		System.out.println(e.getMessage());	        	}	        } catch (DecodingFailedException e) {	        	System.out.println("Error: "+e.getMessage());	        } catch (IllegalStateException e) {	        	System.out.println("Error: "+e.getMessage());	        		        }	        try {	        	Thread.sleep(500);	        } catch (InterruptedException e) {	        	System.out.println(e.getMessage());	        }		}	}	}class J2SEImage implements QRCodeImage {	BufferedImage image;	int[] pixels;	PixelGrabber pg;	public J2SEImage(Image img, int width, int height) {		image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);		Graphics2D g2 = image.createGraphics();		g2.drawImage(img, null, null);	}	public int getWidth() {		return image.getWidth();	}		public int getHeight() {		return image.getHeight();	}	public int getPixel(int x, int y) {		return image.getRGB(x, y);	}}class JMFCanvas extends Canvas implements DebugCanvas {	BufferedImage image;	public void paint(Graphics g){		if (image != null)			g.drawImage(image, 0, 0, java.awt.Color.WHITE, null);	}			public  void println(String string){		//System.out.println(string);	}		public  void drawMatrix(boolean[][] matrix) {		if (image == null) {			image = new BufferedImage(matrix.length, matrix[0].length, BufferedImage.TYPE_INT_ARGB);			setSize(matrix.length, matrix[0].length);		}		Graphics2D g2d = image.createGraphics();		g2d.setColor(java.awt.Color.WHITE);		int width = getWidth();		for (int x = 0; x < matrix.length; x++) {			g2d.drawLine(x, 0, x, width);		}		g2d.setColor(java.awt.Color.BLACK);		for (int x = 0; x < matrix.length; x++) {			for (int y = 0; y < matrix[0].length; y++) {				if (matrix[x][y] == true)					g2d.drawLine(x, y, x, y);			}		}		repaint();	}	public  void drawLine(Line line, int color){		Graphics2D g2d = image.createGraphics();		g2d.setColor(new Color(color));		g2d.drawLine(line.getP1().getX(), line.getP1().getY(),					line.getP2().getX(), line.getP2().getY());		repaint();	}	public  void drawLines(Line[] lines, int color){		Graphics2D g2d = image.createGraphics();		g2d.setColor(new Color(color));		for (int i = 0; i < lines.length; i++) {			g2d.drawLine(lines[i].getP1().getX(), lines[i].getP1().getY(),					lines[i].getP2().getX(), lines[i].getP2().getY());		}		repaint();	}		public  void drawPolygon(Point[] points, int color){		Graphics2D g2d = image.createGraphics();		g2d.setColor(new Color(color));		int numPoints = points.length;		int[] polygonX = new int[numPoints];		int[] polygonY = new int[numPoints];		for (int i = 0; i < numPoints; i++) {			polygonX[i] = points[i].getX();			polygonY[i] = points[i].getY();		}		g2d.drawPolygon(polygonX, polygonY, numPoints);		repaint();	}	public  void drawPoints(Point[] points, int color){		Graphics2D g2d = image.createGraphics();		g2d.setColor(new Color(color));		for (int i = 0; i < points.length; i++)			g2d.drawLine(points[i].getX(), points[i].getY(),points[i].getX(), points[i].getY());		repaint();	}	public  void drawPoint(Point point, int color){		Graphics2D g2d = image.createGraphics();		g2d.setColor(new Color(color));		g2d.drawLine(point.getX(), point.getY(),point.getX(), point.getY());		repaint();	}	public  void drawCross(Point point, int color){		int x = point.getX();		int y = point.getY();		Line[] lines = {			new Line(x - 5, y-1, x + 5, y-1),new Line(x-1, y - 5, x-1 ,y + 5),			new Line(x - 5, y+1, x + 5, y+1),new Line(x+1, y - 5, x+1 ,y + 5),			new Line(x - 5, y, x + 5, y),new Line(x, y - 5, x ,y + 5)		};		drawLines(lines, color);	}	public BufferedImage getImage() {		return image;	}	public void setImage(BufferedImage image) {		this.image = image;	}}