Create Graphics object From Image

     

using System;
using System.Drawing;
using System.Windows.Forms;
   
class HelloWorldBitmap: Form
{
     const  float fResolution = 300;
     Bitmap bitmap = new Bitmap(1, 1);
   
     public static void Main()
     {
          Application.Run(new HelloWorldBitmap());
     }
     public HelloWorldBitmap()
     {
          ResizeRedraw = true; 
          
          bitmap.SetResolution(fResolution, fResolution);
   
          Graphics grfx = Graphics.FromImage(bitmap);
          Font     font = new Font("Times New Roman", 72);
          Size     size = grfx.MeasureString(Text, font).ToSize();
   
          bitmap = new Bitmap(bitmap, size);
          bitmap.SetResolution(fResolution, fResolution);
               
          grfx = Graphics.FromImage(bitmap);
          grfx.Clear(Color.White);
          grfx.DrawString(Text, font, Brushes.Black, 0, 0);
          grfx.Dispose();
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          grfx.DrawImage(bitmap, 0, 0);
     }
}

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Create Graphics object From Image : Bitmap « 2D Graphics « C# / C Sharp

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