OnDoc/ZZ_BarcpdeFromFont/Form1.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.Drawing.Text;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;


namespace ZZ_BarcpdeFromFont
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string inp = Bar25I(this.textBox1.Text);
            Font f = new Font("Bar 25i c", 46);
            BarcodeLib.clsBarI25 barbarcode = new BarcodeLib.clsBarI25();

            pictureBox1.Image = barbarcode.GetBarI25(Color.Black, Color.White, inp, "Bar 25i c HR", 36, 350, 50, " U", "Futur Book", 8,270);
            //pictureBox1.Image= DrawText(inp, f, Color.Black, 140,textBox1.Text+ " U");
            //pictureBox1.Image = DrawText1(Color.Black, Color.White, "Bar 25i c HR", 36, inp, 350, 50, " U",0);

        }

        public string Bar25I(string BarTextIn)
        {
            string Bar25IRet = default;
            string BarTextOut = "";
            string TempString = "";
            long CharValue = 0;
            string barcodeout = "";
            // Initialize input and output strings
            BarTextOut = "";
            BarTextIn = BarTextIn.Trim();

            // Throw away non-numeric data
            TempString = "";
            for (int II = 1, loopTo = BarTextIn.Length; II <= loopTo; II++)
            {
                if (IsNumeric(BarTextIn.Substring(II - 1, 1)))
                {
                    TempString = TempString + BarTextIn.Substring(II - 1, 1);
                }
            }

            // If not an even number of digits, add a leading 0
            if (TempString.Length % 2 == 1)
            {
                TempString = "0" + TempString;
            }

            // Break digit pairs up and convert to characters- build output string
            for (int II = 1, loopTo1 = TempString.Length; II <= loopTo1; II += 2)
            {
                // Break string into pairs of digits and get value
                CharValue = Convert.ToInt32(TempString.Substring(II - 1, 2));
                // translate value to ASCII and save in BarTextOut
                if (CharValue < 90)
                {
                    BarTextOut = BarTextOut + (char)(CharValue + 33);
                }
                else
                {
                    BarTextOut = BarTextOut + (char)(CharValue + 71);
                }
            }

            // Build ouput string, trailing space for Windows rasterization bug
            barcodeout = "{" + BarTextOut + "} ";

            // Return the string
            Bar25IRet = barcodeout;
            return Bar25IRet;
        }

        public bool IsNumeric(string value)
        {
            return value.All(char.IsNumber);
        }
        //private Image DrawText(String text, Font font, Color textColor, Color backColor)
        //{
        //    //first, create a dummy bitmap just to get a graphics object
        //    Image img = new Bitmap(1, 1);
        //    Graphics drawing = Graphics.FromImage(img);

        //    //measure the string to see how big the image needs to be
        //    SizeF textSize = drawing.MeasureString(text, font);

        //    //free up the dummy image and old graphics object
        //    img.Dispose();
        //    drawing.Dispose();

        //    //create a new image of the right size
        //    img = new Bitmap((int)textSize.Width, (int)textSize.Height);

        //    drawing = Graphics.FromImage(img);

        //    //paint the background
        //    drawing.Clear(backColor);

        //    //create a brush for the text
        //    Brush textBrush = new SolidBrush(textColor);

        //    drawing.DrawString(text, font, textBrush, 0, 0);

        //    drawing.Save();

        //    textBrush.Dispose();
        //    drawing.Dispose();

        //    return img;

        //}

        public Image DrawText(String text, Font font, Color textColor, int maxWidth, String path)
        {
            //first, create a dummy bitmap just to get a graphics object
            Image img = new Bitmap(1, 1);
            Graphics drawing = Graphics.FromImage(img);
            //measure the string to see how big the image needs to be
            SizeF textSize = drawing.MeasureString(text, font, maxWidth);

            //set the stringformat flags to rtl
            StringFormat sf = new StringFormat();
            //uncomment the next line for right to left languages
            //sf.FormatFlags = StringFormatFlags.DirectionRightToLeft;
            sf.Trimming = StringTrimming.Word;
            //free up the dummy image and old graphics object
            img.Dispose();
            drawing.Dispose();

            int multi = 4;
            //create a new image of the right size
            img = new Bitmap((int)textSize.Width*multi, (int)textSize.Height);

            drawing = Graphics.FromImage(img);
            //Adjust for high quality
            drawing.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
            drawing.InterpolationMode = InterpolationMode.HighQualityBilinear;
            drawing.PixelOffsetMode = PixelOffsetMode.HighQuality;
            drawing.SmoothingMode = SmoothingMode.HighQuality;
            drawing.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;

            //paint the background
            drawing.Clear(Color.Transparent);

            //create a brush for the text
            Brush textBrush = new SolidBrush(textColor);

            Font ftext = new Font("Arial", 15,FontStyle.Bold);
            drawing.DrawString(text, font, textBrush, new RectangleF(0, 0, textSize.Width*multi, textSize.Height), sf);
            drawing.DrawString(path, ftext, textBrush, new RectangleF(50, 50, textSize.Width*multi , textSize.Height ), sf);

            drawing.Save();

            textBrush.Dispose();
            drawing.Dispose();
            return img;
            img.Save(path, System.Drawing.Imaging.ImageFormat.Png);
            img.Dispose();

        }

        public Image DrawText1(Color foreColor, Color backColor, string fontName, int fontSize, string txt, int width, int height, string zusatz, int rotation)
        {
            Bitmap img = new Bitmap(width, height);
            Graphics Gimg = Graphics.FromImage(img);
            Font imgFont = new Font(fontName, fontSize);
            PointF imgPoint = new PointF(5, 5);
            SolidBrush bForeColor = new SolidBrush(foreColor);
            SolidBrush bBackColor = new SolidBrush(backColor);
            Gimg.FillRectangle(bBackColor, 0, 0, width, height);
            Gimg.DrawString(txt, imgFont, bForeColor, imgPoint);
            Font fzFont = new Font("Arial", 9);

            SizeF textSize = Gimg.MeasureString(zusatz, fzFont, 50);

            PointF imgPointZusatz= new PointF(width-textSize.Width-15, 30);
            Gimg.DrawString(zusatz, fzFont, bForeColor, imgPointZusatz);

            return RotateImage(img, rotation,true,true,Color.White);
            //img.Save(imagePath, ImageFormat.Jpeg);
        }

        public static Bitmap RotateImage(Image inputImage, float angleDegrees, bool upsizeOk,
                                  bool clipOk, Color backgroundColor)
        {
            // Test for zero rotation and return a clone of the input image
            if (angleDegrees == 0f)
                return (Bitmap)inputImage.Clone();

            // Set up old and new image dimensions, assuming upsizing not wanted and clipping OK
            int oldWidth = inputImage.Width;
            int oldHeight = inputImage.Height;
            int newWidth = oldWidth;
            int newHeight = oldHeight;
            float scaleFactor = 1f;

            // If upsizing wanted or clipping not OK calculate the size of the resulting bitmap
            if (upsizeOk || !clipOk)
            {
                double angleRadians = angleDegrees * Math.PI / 180d;

                double cos = Math.Abs(Math.Cos(angleRadians));
                double sin = Math.Abs(Math.Sin(angleRadians));
                newWidth = (int)Math.Round(oldWidth * cos + oldHeight * sin);
                newHeight = (int)Math.Round(oldWidth * sin + oldHeight * cos);
            }

            // If upsizing not wanted and clipping not OK need a scaling factor
            if (!upsizeOk && !clipOk)
            {
                scaleFactor = Math.Min((float)oldWidth / newWidth, (float)oldHeight / newHeight);
                newWidth = oldWidth;
                newHeight = oldHeight;
            }

            // Create the new bitmap object. If background color is transparent it must be 32-bit, 
            //  otherwise 24-bit is good enough.
            Bitmap newBitmap = new Bitmap(newWidth, newHeight, backgroundColor == Color.Transparent ?
                                             PixelFormat.Format32bppArgb : PixelFormat.Format24bppRgb);
            newBitmap.SetResolution(inputImage.HorizontalResolution, inputImage.VerticalResolution);

            // Create the Graphics object that does the work
            using (Graphics graphicsObject = Graphics.FromImage(newBitmap))
            {
                graphicsObject.InterpolationMode = InterpolationMode.HighQualityBicubic;
                graphicsObject.PixelOffsetMode = PixelOffsetMode.HighQuality;
                graphicsObject.SmoothingMode = SmoothingMode.HighQuality;

                // Fill in the specified background color if necessary
                if (backgroundColor != Color.Transparent)
                    graphicsObject.Clear(backgroundColor);

                // Set up the built-in transformation matrix to do the rotation and maybe scaling
                graphicsObject.TranslateTransform(newWidth / 2f, newHeight / 2f);

                if (scaleFactor != 1f)
                    graphicsObject.ScaleTransform(scaleFactor, scaleFactor);

                graphicsObject.RotateTransform(angleDegrees);
                graphicsObject.TranslateTransform(-oldWidth / 2f, -oldHeight / 2f);

                // Draw the result 
                graphicsObject.DrawImage(inputImage, 0, 0);
            }

            return newBitmap;
        }
        public static Image RotateImage1(Image img, float rotationAngle)
        {
            //create an empty Bitmap image
            Bitmap bmp = new Bitmap(img.Width, img.Height);

            //turn the Bitmap into a Graphics object
            Graphics gfx = Graphics.FromImage(bmp);

            //now we set the rotation point to the center of our image
            gfx.TranslateTransform((float)bmp.Width / 2, (float)bmp.Height / 2);

            //now rotate the image
            gfx.RotateTransform(rotationAngle);

            gfx.TranslateTransform(-(float)bmp.Width / 2, -(float)bmp.Height / 2);

            //set the InterpolationMode to HighQualityBicubic so to ensure a high
            //quality image once it is transformed to the specified size
            gfx.InterpolationMode = InterpolationMode.HighQualityBicubic;

            //now draw our new image onto the graphics object
            gfx.DrawImage(img, new Point(0, 0));

            //dispose of our Graphics object
            gfx.Dispose();

            //return the image
            return bmp;
        }
        private void Form1_Load(object sender, EventArgs e)
        {

        }
    }

}