public Bitmap createBarcode(String barcodeText, BarcodeFormat barcodeFormat, int width, int height) { if (!string.IsNullOrEmpty(barcodeText)) { try { ByteMatrix bt = barcodeWriter.Encode(barcodeText, barcodeFormat, width, height); return(ConvertByteMatrixToImage(bt)); } catch (Exception ex) { MessageBox.Show(ex.Message); } } return(null); }
private static Bitmap CreateCode(string url) { try { // create the QR code var hints = new Dictionary <EncodeHintType, object> { { EncodeHintType.Margin, 6 } }; var writer = new MultiFormatWriter(); var matrix = writer.Encode(url, BarcodeFormat.QrCode, 256, 256, hints); // create a bitmap from the code int h = matrix.Height; int w = matrix.Width; int[] pixels = new int[h * w]; for (int i = 0; i < h; i++) { int offset = i * w; for (int j = 0; j < w; j++) { pixels[offset + j] = matrix.Get(j, i) ? Color.Black : Color.White; } } var qrCode = Bitmap.CreateBitmap(w, h, Bitmap.Config.Argb8888); qrCode.SetPixels(pixels, 0, w, 0, 0, w, h); return(qrCode); } catch (WriterException) { // ignored because exception would be thrown from ZXing library. } return(null); }
static void Main(string[] args) { var b = BarcodeFormat.QrCode; var g = Guid.NewGuid().ToString(); string t = "data=" + g; ByteMatrix bt = barcodeWriter.Encode(t, b, 150, 150); Image i = ConvertByteMatrixToImage(bt); i.Save(".\\" + g + ".png", ImageFormat.Png); Bitmap bitmap = new Bitmap(i); Result rawResult; RGBLuminanceSource r = new RGBLuminanceSource(bitmap, 150, 150); GlobalHistogramBinarizer x = new GlobalHistogramBinarizer(r); BinaryBitmap bitmap2 = new BinaryBitmap(x); var hints = new System.Collections.Hashtable(); //hints.Add(DecodeHintType.PossibleFormats, BarcodeFormat.QrCode); int count = 0; { try { rawResult = barcodeReader.Decode(bitmap2, hints); if (rawResult != null) { count++; var y = rawResult.Text; var z = rawResult.BarcodeFormat.ToString(); } } catch (ReaderException e) { return; } } }