Examples with WriterException com.google.zxing.WriterException used on opensource projects

Example 31 with WriterException

use of com.google.zxing.WriterException in project smartmodule by carozhu.

the class GenerateQrcodePIcHelper method createQRCode.

/**
     * 生成二维码
     *
     * @param text 需要生成二维码的文字、网址等
     * @param size 需要生成二维码的大小（）
     * @return bitmap
     */
public static Bitmap createQRCode(String text, int size) {
    try {
        Hashtable<EncodeHintType, String> hints = new Hashtable<>();
        hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
        BitMatrix bitMatrix = new QRCodeWriter().encode(text, BarcodeFormat.QR_CODE, size, size, hints);
        int[] pixels = new int[size * size];
        for (int y = 0; y < size; y++) {
            for (int x = 0; x < size; x++) {
                if (bitMatrix.get(x, y)) {
                    pixels[y * size + x] = 0xff000000;
                } else {
                    pixels[y * size + x] = 0xffffffff;
                }
            }
        }
        Bitmap bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
        bitmap.setPixels(pixels, 0, size, 0, 0, size, size);
        return bitmap;
    } catch (WriterException e) {
        e.printStackTrace();
        return null;
    }
}

Example 32 with WriterException

use of com.google.zxing.WriterException in project JustAndroid by chinaltz.

the class CodeUtils method createImage.

/**
     * 生成二维码图片
     * @param text
     * @param w
     * @param h
     * @param logo
     * @return
     */
public static Bitmap createImage(String text, int w, int h, Bitmap logo) {
    if (TextUtils.isEmpty(text)) {
        return null;
    }
    try {
        Bitmap scaleLogo = getScaleLogo(logo, w, h);
        int offsetX = w / 2;
        int offsetY = h / 2;
        int scaleWidth = 0;
        int scaleHeight = 0;
        if (scaleLogo != null) {
            scaleWidth = scaleLogo.getWidth();
            scaleHeight = scaleLogo.getHeight();
            offsetX = (w - scaleWidth) / 2;
            offsetY = (h - scaleHeight) / 2;
        }
        Hashtable<EncodeHintType, Object> hints = new Hashtable<EncodeHintType, Object>();
        hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
        //容错级别
        hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
        //设置空白边距的宽度
        hints.put(EncodeHintType.MARGIN, 0);
        BitMatrix bitMatrix = new QRCodeWriter().encode(text, BarcodeFormat.QR_CODE, w, h, hints);
        int[] pixels = new int[w * h];
        for (int y = 0; y < h; y++) {
            for (int x = 0; x < w; x++) {
                if (x >= offsetX && x < offsetX + scaleWidth && y >= offsetY && y < offsetY + scaleHeight) {
                    int pixel = scaleLogo.getPixel(x - offsetX, y - offsetY);
                    if (pixel == 0) {
                        if (bitMatrix.get(x, y)) {
                            pixel = 0xff000000;
                        } else {
                            pixel = 0xffffffff;
                        }
                    }
                    pixels[y * w + x] = pixel;
                } else {
                    if (bitMatrix.get(x, y)) {
                        pixels[y * w + x] = 0xff000000;
                    } else {
                        pixels[y * w + x] = 0xffffffff;
                    }
                }
            }
        }
        Bitmap bitmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
        bitmap.setPixels(pixels, 0, w, 0, 0, w, h);
        return bitmap;
    } catch (WriterException e) {
        e.printStackTrace();
    }
    return null;
}