OnDoc/BarcodeLib/Barcodes.cs

using DataMatrix.net;
using DatamatrixNF;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Controls;

namespace BarcodeLib
{
    public class Barcode
    {
        public System.Drawing.Image Get_LinerBarcode(Barcoded.Symbology Typ, string Inhalt, string HrText,string HrPosition, string HrFont, int HrSize, int Rotation)
        {
           
            Barcoded.LinearBarcode newbarcode = new Barcoded.LinearBarcode(HrText, Typ);
            if (HrText != "")
            {
                newbarcode.Encoder.HumanReadableValue = HrText;
                newbarcode.Encoder.SetHumanReadablePosition(HrPosition);
                newbarcode.Encoder.SetHumanReadableFont(HrFont, HrSize);
            }
            switch (Rotation)
            {
                case 0: break;
                case 90: newbarcode.Rotate(newbarcode.Image, Rotation); break;
                case 180: newbarcode.Rotate(newbarcode.Image, Rotation); break;
                case 270: newbarcode.Rotate(newbarcode.Image, Rotation); break;
            }
            return newbarcode.Image;

        }

        public String Get_LinerBarcodeAsBase64(Barcoded.Symbology Typ, string Inhalt, string HrText, string HrPosition, string HrFont, int HrSize, int Rotation)
        {
            System.Drawing.Image timg;
            timg = Get_LinerBarcode(Typ, Inhalt, HrText, HrPosition, HrFont,HrSize, Rotation);
            using (MemoryStream m = new MemoryStream())
            {
                timg.Save(m, timg.RawFormat);
                byte[] imageBytes = m.ToArray();

                // Convert byte[] to Base64 String
                string base64String = Convert.ToBase64String(imageBytes);
                m.Dispose();
                timg.Dispose();
                return base64String;
            }
        }

        public System.Drawing.Image Get_Datamatrix(DmtxScheme Typ, string InHalt, int ModuleSize, int Marigin,int Rotation, String TextPlacement, string HrText, string HrFontName, int HrFontSize)
        {
            DmtxScheme dmtxScheme = new DmtxScheme();
            DmtxImageEncoder encoder = new DmtxImageEncoder();
            DmtxImageEncoderOptions options = new DmtxImageEncoderOptions();
            options.ModuleSize = ModuleSize;
            options.MarginSize = Marigin;
            options.BackColor = Color.White;
            options.ForeColor = Color.Black;
           
            options.Scheme = Typ;
            Bitmap encodedBitmap1 = encoder.EncodeImage(InHalt, options);
            if (HrText != "") {
                DatamatrixTextAddtion dta = new DatamatrixTextAddtion();
                int textpos = 0;
                if (TextPlacement == "Right") { textpos = 0; } else { textpos = 1; }
                encodedBitmap1 = dta.UpdateText(encodedBitmap1, textpos, HrText, HrFontName, HrFontSize,Marigin, Rotation);
            }
            return encodedBitmap1;
        }
        public string Get_DatamatrixAsBase64(DmtxScheme Typ, string InHalt, int ModuleSize, int Marigin, int Rotation, String TextPlacement, string HrText, string HrFontName, int HrFontSize)
        {
            System.Drawing.Image timg;
            timg = Get_Datamatrix(Typ,InHalt,ModuleSize, Marigin, Rotation, TextPlacement, HrText,HrFontName, HrFontSize);
            using (MemoryStream m = new MemoryStream())
            {
                timg.Save(m, timg.RawFormat);
                byte[] imageBytes = m.ToArray();

                // Convert byte[] to Base64 String
                string base64String = Convert.ToBase64String(imageBytes);
                m.Dispose();
                timg.Dispose();
                return base64String;
            }
        }

        public System.Drawing.Image Get_QRCode(String Typ, string Inhalt)
        {
            Barcoded.qr.qrcode qr = new Barcoded.qr.qrcode(Typ, Inhalt);
            return qr.RenderCode();
        }
        public string Get_QRCodeAsBase64(string Typ, string Inhalt)
        {
            System.Drawing.Image timg;
            timg = Get_QRCode(Typ, Inhalt);
            using (MemoryStream m = new MemoryStream())
            {
                timg.Save(m, timg.RawFormat);
                byte[] imageBytes = m.ToArray();

                // Convert byte[] to Base64 String
                string base64String = Convert.ToBase64String(imageBytes);
                m.Dispose();
                timg.Dispose();
                return base64String;
            }
            
        }

        public System.Drawing.Image ScaleImg(System.Drawing.Image image, int maxWidth, int maxHeight)
        {
            var ratioX = (double)maxWidth / image.Width;
            var ratioY = (double)maxHeight / image.Height;
            var ratio = Math.Min(ratioX, ratioY);

            var newWidth = (int)(image.Width * ratio);
            var newHeight = (int)(image.Height * ratio);

            var newImage = new Bitmap(newWidth, newHeight);

            using (var graphics = Graphics.FromImage(newImage))
                graphics.DrawImage(image, 0, 0, newWidth, newHeight);

            return newImage;
        }
    }
}