Draw Text to Image - CSharp System.Drawing

CSharp examples for System.Drawing:Image Effect

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Description

Draw Text to Image

Demo Code


using System.Web;
using System.Drawing.Text;
using System.Drawing.Imaging;
using System.Drawing.Drawing2D;
using System.Drawing;
using System;//from w  w w .j  a  va 2  s  .  c om

public class Main{
        public static void DrawText(string text, Font font, Color textColor, int maxWidth, string path)
        {
            Image img = new Bitmap(10, 10);
            Graphics drawing = Graphics.FromImage(img);
            SizeF textSize = drawing.MeasureString(text, font, maxWidth);

            StringFormat sf = new StringFormat();
            sf.Trimming = StringTrimming.Word;
            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);
            //Adjust for high quality
            drawing.CompositingQuality = 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);

            drawing.DrawString(text, font, textBrush, new RectangleF(0, 0, textSize.Width, textSize.Height), sf);

            drawing.Save();

            textBrush.Dispose();
            drawing.Dispose();
            img.Save(path, ImageFormat.Png);
            img.Dispose();
        }
}

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