C#

Bitmap bmp = new Bitmap(w,h,PixelFormat.Format24bppRgb);<br />
               //create drawing surface<br />
               float res = 300f; //default resolution of 300dpi<br />
               bmp.SetResolution(res,res);<br />
               bmp.MakeTransparent(Color.White);<br />
               //Create new graphics canvas from the bitmap<br />
               Graphics G = Graphics.FromImage(bmp);<br />
               //set graphics properties for good bitmap rendering<br />
               G.PageUnit = GraphicsUnit.Pixel;<br />
               G.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;<br />
               G.CompositingQuality = CompositingQuality.HighQuality;<br />
               G.CompositingMode = CompositingMode.SourceCopy;<br />
               G.TextRenderingHint = TextRenderingHint.SingleBitPerPixelGridFit;<br />
               G.InterpolationMode = InterpolationMode.High;<br />
               //clear the bitmap background (set to white)<br />
               G.Clear(Color.White);<br />
               // draw a 2px border  around the grid image area<br />
               G.DrawRectangle(new Pen(Color.Black,2),0,0,w-2,h-2);<br />
              ....<br />
              // draw the rest of the graphics, including text <br />
               ...<br />
                G.Dispose();<br />
               // save the image<br />
               bmp.Save(imagefilePath,ImageFormat.Bmp);<br />
               bmp.Dispose();