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

package jp.sourceforge.qrcode.codec.util; 
 
import java.awt.image.BufferedImage; 
import java.io.File; 
import java.net.URL; 
 
import javax.imageio.*; 
//import javax.microedition.lcdui.*; 
//import com.kddi.graphics.*; 
 
 
/* 標準クラスライブラリ依存、プログラム言語依存になりそうな処理は 
 * このクラスにまとめる 
 * */ 
 
public class QRCodeUtility { 
	 
	public static int[][] parseImage(BufferedImage image) { 
		int width = image.getWidth(); 
		int height = image.getHeight(); 
		int[][] result = new int[width][height]; 
		 
		for (int x = 0; x < width; x++) { 
			for (int y = 0; y < height; y++) { 
				result[x][y] = image.getRGB(x,y); 
			} 
		} 
		return result; 
	} 
	 
	public static int sqrt(int arg) { 
		return (int)Math.sqrt(arg); 
	} 
	 
	public static int[][] parseImage(String filename) { 
		File file = new File(filename); 
		BufferedImage image = null; 
		try { 
			image = ImageIO.read(file); 
		} catch (Exception e) { 
			e.printStackTrace(); 
		} 
		return parseImage(image); 
	} 
	 
	public static int[][] parseImage(URL url) { 
		BufferedImage image = null; 
		try { 
			image = ImageIO.read(url); 
		} catch (Exception e) { 
			e.printStackTrace(); 
		} 
		return parseImage(image); 
	} 
// for au by KDDI Profile Phase 3.0 
//	/*画像の各ピクセルのRGBをint型の配列に展開する*/ 
//	public static int[][] parseImage(Image image) { 
//		int width = image.getWidth(); 
//		int height = image.getHeight(); 
//		Image mutable = Image.createImage(width, height); 
//		Graphics g = mutable.getGraphics(); 
//		g.drawImage(image, 0, 0, Graphics.TOP|Graphics.LEFT); 
//		ExtensionGraphics eg = (ExtensionGraphics) g; 
//		int[][] result = new int[width][height]; 
//		 
//		for (int x = 0; x < width; x++) { 
//			for (int y = 0; y < height; y++) { 
//				result[x][y] = eg.getPixel(x, y); 
//			} 
//		} 
//		return result; 
//	} 
//	 
//	public static int[][] parseImage(byte[] imageData) { 
//		return parseImage(Image.createImage(imageData, 0, imageData.length)); 
//	} 
	 
 
}