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Gonzalo Benoffi

barcode generator android
by Gonzalo Benoffi

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Bitmap encodeAsBitmap(String str) throws WriterException
    {
        DisplayMetrics metrics = this.getResources().getDisplayMetrics();
        int width = metrics.widthPixels;
        int height = metrics.heightPixels;
        BitMatrix result;
        try {
            result = new MultiFormatWriter().encode(str,
                    BarcodeFormat.ITF, width, height/2, null);
        } catch (IllegalArgumentException iae) {
            // Unsupported format
            return null;
        }
        int w = result.getWidth();
        int h = result.getHeight();
        int[] pixels = new int[w * h];
        for (int y = 0; y < h; y++) {
            int offset = y * w;
            for (int x = 0; x < w; x++) {
                pixels[offset + x] = result.get(x, y) ? BLACK : WHITE;
            }
        }
        Bitmap bitmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
        bitmap.setPixels(pixels, 0, width, 0, 0, w, h);
        return bitmap;
    }

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