www.pudn.com > QRcode.rar > DebugCanvas.java

package jp.sourceforge.qrcode.codec.util; 
 
import jp.sourceforge.qrcode.codec.geom.Line; 
import jp.sourceforge.qrcode.codec.geom.Point; 
 
import java.awt.Canvas; 
import java.awt.Graphics; 
import java.awt.Graphics2D; 
import java.awt.image.BufferedImage; 
 
public class DebugCanvas extends Canvas { 
	BufferedImage image; 
	static DebugCanvas instance; 
	public void setFontColor(int color){}; 
 
	public void paint(Graphics g){ 
		if (image != null) 
			g.drawImage(image, 0, 0, java.awt.Color.WHITE, null); 
	} 
	 
	DebugCanvas() { 
		//image = new BufferedImage(0, 0, BufferedImage.TYPE_INT_RGB); 
	} 
	 
	public static DebugCanvas getCanvas(){ 
		if (instance == null) 
			instance = new DebugCanvas(); 
		return instance; 
	} 
 
	public  int getLineWidth(){return 0;} 
 
	//新しく行を追加する 
	public  void println(String string){ 
		System.out.println(string); 
	} 
 
	public  void println(int num){ 
		System.out.println(num); 
	} 
 
	public  void println(Object object){ 
		System.out.println(object); 
	} 
 
	public  void print(String string){ 
		System.out.print(string); 
	} 
 
	public  void print(Object object){ 
		System.out.print(object); 
	} 
 
	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 drawMatrix(boolean[][] matrix, int ratio){ 
	} 
 
	public  void drawLines(Line[] lines, int color){ 
		Graphics2D g2d = image.createGraphics(); 
		g2d.setColor(convertColor(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(); 
 
	} 
	 
	java.awt.Color convertColor(int color) { 
		java.awt.Color awtColor =  java.awt.Color.BLACK; 
		switch(color) { 
		case Color.LIGHTGREEN: 
			awtColor = java.awt.Color.GREEN; 
			break; 
		case Color.LIGHTBLUE: 
			awtColor = java.awt.Color.blue; 
			break; 
		case Color.LIGHTRED: 
			awtColor = java.awt.Color.RED; 
			break; 
		} 
		return awtColor; 
		 
	} 
 
	public  void drawPolygon(Point[] points, int color){ 
		Graphics2D g2d = image.createGraphics(); 
		g2d.setColor(convertColor(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(convertColor(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 drawCross(Point point, int color){ 
		Graphics2D g2d = image.createGraphics(); 
		g2d.setColor(convertColor(color)); 
		int x = point.getX(); 
		int y = point.getY(); 
		g2d.drawLine(x - 5, y, x + 5, y); 
		g2d.drawLine(x, y - 5, x ,y + 5); 
		repaint(); 
 
	} 
	public BufferedImage getImage() { 
		return image; 
	} 
	public void setImage(BufferedImage image) { 
		this.image = image; 
	} 
}