com.google.zxing.MultiFormatWriter源码实例Demo-ICode联盟

类com.google.zxing.MultiFormatWriter源码实例Demo

下面列出了怎么用com.google.zxing.MultiFormatWriter的API类实例代码及写法，或者点击链接到github查看源代码。

源代码1 项目： dhis2-android-capture-app 文件： QRCodeGenerator.java

public static Bitmap transform(byte[] inputData) {
    String encoded;
    encoded = Base64.encodeToString(inputData, Base64.DEFAULT);

    MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
    Bitmap bitmap = null;
    try {
        BitMatrix bitMatrix = multiFormatWriter.encode(encoded, BarcodeFormat.QR_CODE, 1000, 1000);
        BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
        bitmap = barcodeEncoder.createBitmap(bitMatrix);
    } catch (WriterException e) {
        Timber.e(e);
    }

    return bitmap;
}

源代码2 项目： Tok-Android 文件： QRCodeEncode.java

public Bitmap encodeAsBitmap() throws WriterException {
    if (!encoded) return null;

    Map<EncodeHintType, Object> hints = null;
    String encoding = guessAppropriateEncoding(contents);
    if (encoding != null) {
        hints = new EnumMap<EncodeHintType, Object>(EncodeHintType.class);
        hints.put(EncodeHintType.CHARACTER_SET, encoding);
    }
    MultiFormatWriter writer = new MultiFormatWriter();
    BitMatrix result = writer.encode(contents, format, dimension, dimension, hints);
    int width = result.getWidth();
    int height = result.getHeight();
    int[] pixels = new int[width * height];
    // All are 0, or black, by default
    for (int y = 0; y < height; y++) {
        int offset = y * width;
        for (int x = 0; x < width; x++) {
            pixels[offset + x] = result.get(x, y) ? BLACK : WHITE;
        }
    }

    Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
    return bitmap;
}

源代码3 项目： QrCodeLib 文件： EncodingHandler.java

public static Bitmap createQRCode(String str, int widthAndHeight) throws WriterException {
    Hashtable<EncodeHintType, String> hints = new Hashtable<EncodeHintType, String>();
    hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
    BitMatrix matrix = new MultiFormatWriter().encode(str,
            BarcodeFormat.QR_CODE, widthAndHeight, widthAndHeight);
    int width = matrix.getWidth();
    int height = matrix.getHeight();
    int[] pixels = new int[width * height];

    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
            if (matrix.get(x, y)) {
                pixels[y * width + x] = BLACK;
            }
        }
    }
    Bitmap bitmap = Bitmap.createBitmap(width, height,
            Bitmap.Config.ARGB_8888);
    bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
    return bitmap;
}

源代码4 项目： QrCodeLib 文件： QrCodeGenerator.java

public static Bitmap getQrCodeImage(String data, int width, int height) {
    if (data == null || data.length() == 0) {
        return null;
    }
    Map<EncodeHintType, Object> hintsMap = new HashMap<>(3);
    hintsMap.put(EncodeHintType.CHARACTER_SET, "utf-8");
    hintsMap.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
    hintsMap.put(EncodeHintType.MARGIN, 0);
    try {
        BitMatrix bitMatrix = new MultiFormatWriter().encode(data, BarcodeFormat.QR_CODE, width, height, hintsMap);
        Bitmap bitmap = bitMatrix2Bitmap(bitMatrix);
        return bitmap;
    } catch (WriterException e) {
        e.printStackTrace();
    }
    return null;
}

源代码5 项目： vmqApk 文件： EncodingHandler.java

public static Bitmap createQRCode(String str, int widthAndHeight) throws WriterException {
	Hashtable<EncodeHintType, String> hints = new Hashtable<EncodeHintType, String>();
       hints.put(EncodeHintType.CHARACTER_SET, "utf-8"); 
	BitMatrix matrix = new MultiFormatWriter().encode(str,
			BarcodeFormat.QR_CODE, widthAndHeight, widthAndHeight);
	int width = matrix.getWidth();
	int height = matrix.getHeight();
	int[] pixels = new int[width * height];
	
	for (int y = 0; y < height; y++) {
		for (int x = 0; x < width; x++) {
			if (matrix.get(x, y)) {
				pixels[y * width + x] = BLACK;
			}
		}
	}
	Bitmap bitmap = Bitmap.createBitmap(width, height,
			Bitmap.Config.ARGB_8888);
	bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
	return bitmap;
}

源代码6 项目： MeetingFilm 文件： ZxingUtils.java

/** 将内容contents生成长为width，宽为width的图片，图片路径由imgPath指定
    */
public static File getQRCodeImge(String contents, int width, int height, String imgPath) {
	try {
           Map<EncodeHintType, Object> hints = new Hashtable<EncodeHintType, Object>();
           hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
           hints.put(EncodeHintType.CHARACTER_SET, "UTF8");

		BitMatrix bitMatrix = new MultiFormatWriter().encode(contents, BarcodeFormat.QR_CODE, width, height, hints);

           File imageFile = new File(imgPath);
		writeToFile(bitMatrix, "png", imageFile);

           return imageFile;

	} catch (Exception e) {
		log.error("create QR code error!", e);
           return null;
	}
}

源代码7 项目： java-pay 文件： PaymentUtils.java

/**
 * 生成二维码并响应到浏览器
 *
 * @param content
 * @param response
 */
public static void createQRCode(String content, HttpServletResponse response) {
    int width = 300, height = 300;
    String format = "png";
    Map<EncodeHintType, Object> hashMap = new HashMap<>();
    hashMap.put(EncodeHintType.CHARACTER_SET, StandardCharsets.UTF_8);
    hashMap.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
    hashMap.put(EncodeHintType.MARGIN, 1);
    try {
        response.setHeader("Cache-control", "no-cache");
        response.setHeader("Pragma", "no-cache");
        response.setHeader("content-type", "image/png");
        response.setCharacterEncoding(StandardCharsets.UTF_8.displayName());
        response.setDateHeader("Expires", 0);
        BitMatrix bitMatrix = new MultiFormatWriter()
                .encode(content, BarcodeFormat.QR_CODE, width, height, hashMap);
        BufferedImage img = MatrixToImageWriter.toBufferedImage(bitMatrix);
        ImageIO.write(img, format, response.getOutputStream());
    } catch (Exception e) {
        log.warn("create QRCode error message:{}", e.getMessage());
    }
}

源代码8 项目： ETHWallet 文件： MyAddressActivity.java

private Bitmap createQRImage(String address) {
    Point size = new Point();
    getWindowManager().getDefaultDisplay().getSize(size);
    int imageSize = (int) (size.x * QR_IMAGE_WIDTH_RATIO);
    try {
        BitMatrix bitMatrix = new MultiFormatWriter().encode(
                address,
                BarcodeFormat.QR_CODE,
                imageSize,
                imageSize,
                null);
        BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
        return barcodeEncoder.createBitmap(bitMatrix);
    } catch (Exception e) {
        Toast.makeText(this, getString(R.string.error_fail_generate_qr), Toast.LENGTH_SHORT)
                .show();
    }
    return null;
}

源代码9 项目： DevUtils 文件： ZXingQRCodeUtils.java

/**
 * 同步创建指定前景色、指定背景色二维码图片
 * <pre>
 *     该方法是耗时操作, 请在子线程中调用
 * </pre>
 * @param content         生成内容
 * @param size            图片宽高大小 ( 正方形 px )
 * @param foregroundColor 二维码图片的前景色
 * @param backgroundColor 二维码图片的背景色
 * @return 二维码图片
 */
public static Bitmap syncEncodeQRCode(final String content, final int size, final int foregroundColor, final int backgroundColor) {
    try {
        BitMatrix matrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, size, size, ENCODE_HINTS);
        int[] pixels = new int[size * size];
        for (int y = 0; y < size; y++) {
            for (int x = 0; x < size; x++) {
                if (matrix.get(x, y)) {
                    pixels[y * size + x] = foregroundColor;
                } else {
                    pixels[y * size + x] = backgroundColor;
                }
            }
        }
        Bitmap bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
        bitmap.setPixels(pixels, 0, size, 0, 0, size, size);
        return bitmap;
    } catch (Exception e) {
        LogPrintUtils.eTag(TAG, e, "syncEncodeQRCode");
        return null;
    }
}

源代码10 项目： guarda-android-wallets 文件： QrCodeUtils.java

public static Bitmap textToBarCode(String data) {
    MultiFormatWriter writer = new MultiFormatWriter();


    String finaldata = Uri.encode(data, "utf-8");

    BitMatrix bm = null;
    try {
        bm = writer.encode(finaldata, BarcodeFormat.CODE_128, 150, 150);
    } catch (WriterException e) {
        e.printStackTrace();
    }
    Bitmap bitmap = Bitmap.createBitmap(180, 40, Bitmap.Config.ARGB_8888);

    for (int i = 0; i < 180; i++) {//width
        for (int j = 0; j < 40; j++) {//height
            bitmap.setPixel(i, j, bm.get(i, j) ? BLACK : WHITE);
        }
    }

    return bitmap;
}

源代码11 项目： QrScan 文件： EncodingHandler.java

public static Bitmap createQRCode(String str, int widthAndHeight) throws WriterException {
	Hashtable<EncodeHintType, String> hints = new Hashtable<EncodeHintType, String>();
       hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
	BitMatrix matrix = new MultiFormatWriter().encode(str,
			BarcodeFormat.QR_CODE, widthAndHeight, widthAndHeight);
	int width = matrix.getWidth();
	int height = matrix.getHeight();
	int[] pixels = new int[width * height];
	
	for (int y = 0; y < height; y++) {
		for (int x = 0; x < width; x++) {
			if (matrix.get(x, y)) {
				pixels[y * width + x] = BLACK;
			}
		}
	}
	Bitmap bitmap = Bitmap.createBitmap(width, height,
			Bitmap.Config.ARGB_8888);
	bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
	return bitmap;
}

源代码12 项目： MyBox 文件： BarcodeTools.java

public static BufferedImage DataMatrix(String code,
        int dmWidth, int dmHeigh) {
    try {
        HashMap hints = new HashMap();
        hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");

        BitMatrix bitMatrix = new MultiFormatWriter().encode(code,
                BarcodeFormat.DATA_MATRIX, dmWidth, dmHeigh, hints);

        return MatrixToImageWriter.toBufferedImage(bitMatrix);

    } catch (Exception e) {
        logger.error(e.toString());
        return null;
    }
}

源代码13 项目： QrCodeDemo4 文件： EncodingHandler.java

public static Bitmap createQRCode(String str, int widthAndHeight) throws WriterException {
	Hashtable<EncodeHintType, String> hints = new Hashtable<EncodeHintType, String>();
       hints.put(EncodeHintType.CHARACTER_SET, "utf-8"); 
	BitMatrix matrix = new MultiFormatWriter().encode(str,
			BarcodeFormat.QR_CODE, widthAndHeight, widthAndHeight);
	int width = matrix.getWidth();
	int height = matrix.getHeight();
	int[] pixels = new int[width * height];
	
	for (int y = 0; y < height; y++) {
		for (int x = 0; x < width; x++) {
			if (matrix.get(x, y)) {
				pixels[y * width + x] = BLACK;
			}
		}
	}
	Bitmap bitmap = Bitmap.createBitmap(width, height,
			Bitmap.Config.ARGB_8888);
	bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
	return bitmap;
}

源代码14 项目： springboot-pay-example 文件： PayUtil.java

/**
 * 根据url生成二位图片对象
 *
 * @param codeUrl
 * @return
 * @throws WriterException
 */
public static BufferedImage getQRCodeImge(String codeUrl) throws WriterException {
    Map<EncodeHintType, Object> hints = new Hashtable();
    hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
    hints.put(EncodeHintType.CHARACTER_SET, "UTF8");
    int width = 256;
    BitMatrix bitMatrix = (new MultiFormatWriter()).encode(codeUrl, BarcodeFormat.QR_CODE, width, width, hints);
    BufferedImage image = new BufferedImage(width, width, 1);
    for(int x = 0; x < width; ++x) {
        for(int y = 0; y < width; ++y) {
            image.setRGB(x, y, bitMatrix.get(x, y) ? -16777216 : -1);
        }
    }

    return image;
}

源代码15 项目： alpha-wallet-android 文件： RedeemSignatureDisplayActivity.java

private Bitmap createQRImage(String address) {
    Point size = new Point();
    getWindowManager().getDefaultDisplay().getSize(size);
    int imageSize = (int) (size.x * QR_IMAGE_WIDTH_RATIO);
    try {
        BitMatrix bitMatrix = new MultiFormatWriter().encode(
                address,
                BarcodeFormat.QR_CODE,
                imageSize,
                imageSize,
                null);
        BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
        return barcodeEncoder.createBitmap(bitMatrix);
    } catch (Exception e) {
        Toast.makeText(this, getString(R.string.error_fail_generate_qr), Toast.LENGTH_SHORT)
                .show();
    }
    return null;
}

源代码16 项目： alpha-wallet-android 文件： QRUtils.java

public static Bitmap createQRImage(Context context, String address, int imageSize) {
    try {
        BitMatrix bitMatrix = new MultiFormatWriter().encode(
                address,
                BarcodeFormat.QR_CODE,
                imageSize,
                imageSize,
                null);
        BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
        return barcodeEncoder.createBitmap(bitMatrix);
    } catch (Exception e) {
        Toast.makeText(context, context.getString(R.string.error_fail_generate_qr), Toast.LENGTH_SHORT)
                .show();
    }
    return null;
}

源代码17 项目： trigger 文件： QRShowActivity.java

private void generateQR(Setup setup) throws Exception {
    MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
    int data_length = 0;
    try {
        JSONObject obj = Settings.toJsonObject(setup);
        String data = encodeSetup(obj);
        data_length = data.length();

        // data has to be a string
        BitMatrix bitMatrix = multiFormatWriter.encode(data, BarcodeFormat.QR_CODE, 1080, 1080);
        BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
        Bitmap bitmap = barcodeEncoder.createBitmap(bitMatrix);
        ((ImageView) findViewById(R.id.QRView)).setImageBitmap(bitmap);
    } catch (WriterException e) {
        Toast.makeText(this, e.getMessage() + " (" + data_length + " Bytes)", Toast.LENGTH_LONG).show();
        finish();
    }
}

源代码18 项目： seezoon-framework-all 文件： ZxingHelper.java

private BufferedImage createImage(String content, InputStream logo, boolean needCompress) throws Exception {
	Hashtable<EncodeHintType, Object> hints = new Hashtable<EncodeHintType, Object>();
	hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
	hints.put(EncodeHintType.CHARACTER_SET, CHARSET);
	hints.put(EncodeHintType.MARGIN, 1);
	BitMatrix bitMatrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, imageSize, imageSize,
			hints);
	int width = bitMatrix.getWidth();
	int height = bitMatrix.getHeight();
	BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
	for (int x = 0; x < width; x++) {
		for (int y = 0; y < height; y++) {
			image.setRGB(x, y, bitMatrix.get(x, y) ? 0xFF000000 : 0xFFFFFFFF);
		}
	}
	if (logo == null) {
		return image;
	}
	// 插入logo
	this.insertLogo(image, logo, needCompress);
	return image;
}

源代码19 项目： trust-wallet-android-source 文件： MyAddressActivity.java

private Bitmap createQRImage(String address) {
    Point size = new Point();
    getWindowManager().getDefaultDisplay().getSize(size);
    int imageSize = (int) (size.x * QR_IMAGE_WIDTH_RATIO);
    try {
        BitMatrix bitMatrix = new MultiFormatWriter().encode(
                address,
                BarcodeFormat.QR_CODE,
                imageSize,
                imageSize,
                null);
        BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
        return barcodeEncoder.createBitmap(bitMatrix);
    } catch (Exception e) {
        Toast.makeText(this, getString(R.string.error_fail_generate_qr), Toast.LENGTH_SHORT)
            .show();
    }
    return null;
}

源代码20 项目： rebuild 文件： BarCodeGenerator.java

/**
 * @param content
 * @param format
 * @param height
 * @return
 */
public static BitMatrix createBarCode(String content, BarcodeFormat format, int height) {
    Map<EncodeHintType, Object> hints = new HashMap<>();
    hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
    hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
    hints.put(EncodeHintType.MARGIN, 0);

    // 条形码宽度为自适应
    int width = format == BarcodeFormat.QR_CODE ? height : 0;
    try {
        return new MultiFormatWriter().encode(content, format, width, height, hints);

    } catch (WriterException ex) {
        throw new RebuildException("Encode BarCode failed : " + content, ex);
    }
}

源代码21 项目： CodeScaner 文件： EncodingHandler.java

public static Bitmap createQRCode(String str,int widthAndHeight) throws WriterException {
	Hashtable<EncodeHintType, String> hints = new Hashtable<EncodeHintType, String>();
       hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
	BitMatrix matrix = new MultiFormatWriter().encode(str,
			BarcodeFormat.QR_CODE, widthAndHeight, widthAndHeight);
	int width = matrix.getWidth();
	int height = matrix.getHeight();
	int[] pixels = new int[width * height];
	
	for (int y = 0; y < height; y++) {
		for (int x = 0; x < width; x++) {
			if (matrix.get(x, y)) {
				pixels[y * width + x] = BLACK;
			}
		}
	}
	Bitmap bitmap = Bitmap.createBitmap(width, height,
			Bitmap.Config.ARGB_8888);
	bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
	return bitmap;
}

源代码22 项目： o2oa 文件： ActionCreateCode.java

/**
    *二维码实现
    * @param msg /二维码包含的信息
    * @param path /二维码存放路径
    */
public static void getBarCode(String msg,String path){
        try {
            File file=new File(path);
            OutputStream ous=new FileOutputStream(file);
            if(StringUtils.isEmpty(msg) || ous==null)
                return;
            String format = "png";
            MultiFormatWriter multiFormatWriter = new MultiFormatWriter();  
            Map<EncodeHintType,String> map =new HashMap<EncodeHintType, String>();
            //设置编码 EncodeHintType类中可以设置MAX_SIZE， ERROR_CORRECTION，CHARACTER_SET，DATA_MATRIX_SHAPE，AZTEC_LAYERS等参数
            map.put(EncodeHintType.CHARACTER_SET,"UTF-8");
            map.put(EncodeHintType.MARGIN,"1");
            //生成二维码
            BitMatrix bitMatrix = new MultiFormatWriter().encode(msg, BarcodeFormat.QR_CODE,300,300,map);
            MatrixToImageWriter.writeToStream(bitMatrix,format,ous);
        }catch (Exception e) {
            e.printStackTrace();
        }
}

源代码23 项目： o2oa 文件： ActionCreateCode.java

/**
    *二维码实现
    * @param msg /二维码包含的信息
    */
public static byte[] getBarCodeWo(String msg){
		byte[] bs = null;
        try {
            String format = "png";
            Map<EncodeHintType,String> map =new HashMap<EncodeHintType, String>();
            //设置编码 EncodeHintType类中可以设置MAX_SIZE， ERROR_CORRECTION，CHARACTER_SET，DATA_MATRIX_SHAPE，AZTEC_LAYERS等参数
            map.put(EncodeHintType.CHARACTER_SET,"UTF-8");
            map.put(EncodeHintType.MARGIN,"1");
            //生成二维码
            BitMatrix bitMatrix = new MultiFormatWriter().encode(msg, BarcodeFormat.QR_CODE,300,300,map);
            BufferedImage image = MatrixToImageWriter.toBufferedImage(bitMatrix);
			ByteArrayOutputStream out = new ByteArrayOutputStream();
			ImageIO.write(image, "gif", out);
			bs = out.toByteArray();
            
        }catch (Exception e) {
            e.printStackTrace();
        }
        return bs;
}

源代码24 项目： bitcoinpos 文件： PaymentRequestFragment.java

Bitmap encodeAsBitmap(String str, int size) throws WriterException {
    BitMatrix result;
    try {
        result = new MultiFormatWriter().encode(str, BarcodeFormat.QR_CODE, size, size);
    } catch (IllegalArgumentException iae) {
        // Unsupported format
        return null;
    }
    int width = result.getWidth();
    int height = result.getHeight();
    int[] pixels = new int[width * height];
    for (int y = 0; y < height; y++) {
        int offset = y * width;
        for (int x = 0; x < width; x++) {
            pixels[offset + x] = result.get(x, y) ? 0xFF000000 : 0xFFFFFFFF;
        }
    }
    Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
    return bitmap;
}

源代码25 项目： SecScanQR 文件： HistoryDetailsActivity.java

/**
 * This method creates a picture of the scanned qr code
 */
private void showQrImage() {
    multiFormatWriter = new MultiFormatWriter();
    Map<EncodeHintType, Object> hintMap = new EnumMap<EncodeHintType, Object>(EncodeHintType.class);

    hintMap.put(EncodeHintType.CHARACTER_SET, "UTF-8");
    hintMap.put(EncodeHintType.MARGIN, 1); /* default = 4 */
    hintMap.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);
    try{
        BarcodeFormat format = generalHandler.StringToBarcodeFormat(selectedFormat);
        BitMatrix bitMatrix = multiFormatWriter.encode(selectedCode, format, 250,250, hintMap);
        BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
        bitmap = barcodeEncoder.createBitmap(bitMatrix);
        codeImage.setImageBitmap(bitmap);
    } catch (Exception e){
        codeImage.setVisibility(View.GONE);
    }
}

源代码26 项目： SecScanQR 文件： ScannerActivity.java

/**
 * This method creates a picture of the scanned qr code
 */
private void showQrImage() {
    multiFormatWriter = new MultiFormatWriter();
    Map<EncodeHintType, Object> hintMap = new EnumMap<EncodeHintType, Object>(EncodeHintType.class);

    hintMap.put(EncodeHintType.CHARACTER_SET, "UTF-8");
    hintMap.put(EncodeHintType.MARGIN, 1); /* default = 4 */
    hintMap.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);
    try{
        BarcodeFormat format = generalHandler.StringToBarcodeFormat(qrcodeFormat);
        BitMatrix bitMatrix = multiFormatWriter.encode(qrcode, format, 250,250, hintMap);
        BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
        bitmap = barcodeEncoder.createBitmap(bitMatrix);
        codeImage.setImageBitmap(bitmap);
    } catch (Exception e){
        codeImage.setVisibility(View.GONE);
    }
}

源代码27 项目： Lunary-Ethereum-Wallet 文件： QREncoder.java

public Bitmap encodeAsBitmap() throws WriterException {
    if (!encoded) return null;

    Map<EncodeHintType, Object> hints = null;
    String encoding = guessAppropriateEncoding(contents);
    if (encoding != null) {
        hints = new EnumMap<EncodeHintType, Object>(EncodeHintType.class);
        hints.put(EncodeHintType.CHARACTER_SET, encoding);
    }
    MultiFormatWriter writer = new MultiFormatWriter();
    BitMatrix result = writer.encode(contents, format, dimension, dimension, hints);
    int width = result.getWidth();
    int height = result.getHeight();
    int[] pixels = new int[width * height];
    // All are 0, or black, by default
    for (int y = 0; y < height; y++) {
        int offset = y * width;
        for (int x = 0; x < width; x++) {
            pixels[offset + x] = result.get(x, y) ? BLACK : WHITE;
        }
    }

    Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
    return bitmap;
}

源代码28 项目： Mobike 文件： EncodingHandler.java

public static Bitmap createQRCode(String str, int widthAndHeight) throws WriterException {
    Hashtable<EncodeHintType, String> hints = new Hashtable<EncodeHintType, String>();
    hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
    BitMatrix matrix = new MultiFormatWriter().encode(str,
            BarcodeFormat.QR_CODE, widthAndHeight, widthAndHeight);
    int width = matrix.getWidth();
    int height = matrix.getHeight();
    int[] pixels = new int[width * height];

    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
            if (matrix.get(x, y)) {
                pixels[y * width + x] = BLACK;
            }
        }
    }
    Bitmap bitmap = Bitmap.createBitmap(width, height,
            Bitmap.Config.ARGB_8888);
    bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
    return bitmap;
}

源代码29 项目： wish-pay 文件： ZxingUtils.java

/**
 * 将内容contents生成长为width，宽为width的图片，图片路径由imgPath指定
 */
public static File getQRCodeImge(String contents, int width, int height, String imgPath) {
    try {
        Map<EncodeHintType, Object> hints = Maps.newHashMap();
        hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
        hints.put(EncodeHintType.CHARACTER_SET, "UTF8");

        BitMatrix bitMatrix = new MultiFormatWriter().encode(contents, BarcodeFormat.QR_CODE, width, height, hints);

        File imageFile = new File(imgPath);
        writeToFile(bitMatrix, "png", imageFile);

        return imageFile;

    } catch (Exception e) {
        log.error("create QR code error!", e);
        return null;
    }
}

源代码30 项目： wish-pay 文件： ZxingUtils.java

/**
 * 将内容contents生成长为width，宽为width的图片,返回刘文静
 */
public static ServletOutputStream getQRCodeImge(String contents, int width, int height) throws IOException {
    ServletOutputStream stream = null;
    try {
        Map<EncodeHintType, Object> hints = Maps.newHashMap();
        hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
        hints.put(EncodeHintType.CHARACTER_SET, "UTF8");
        BitMatrix bitMatrix = new MultiFormatWriter().encode(contents, BarcodeFormat.QR_CODE, width, height, hints);
        MatrixToImageWriter.writeToStream(bitMatrix, "png", stream);
        return stream;
    } catch (Exception e) {
        log.error("create QR code error!", e);
        return null;
    } finally {
        if (stream != null) {
            stream.close();
        }
    }
}

类所在包

com.google.zxing

类方法

encode ( )

同包方法

com.google.zxing.BarcodeFormat

com.google.zxing.common.BitMatrix

com.google.zxing.Result

com.google.zxing.WriterException

com.google.zxing.common.HybridBinarizer

com.google.zxing.EncodeHintType

com.google.zxing.BinaryBitmap