AddRegionToRegion(RasterImage,RasterRegionXForm,IntPtr,RasterRegionCombineMode) Method

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Drawing; 
using Leadtools.ImageProcessing; 
using Leadtools.ImageProcessing.Color; 
 
public void AddRegionToRegionGdi_Example() 
{ 
   RasterCodecs codecs = new RasterCodecs(); 
 
   string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp"); 
   string destFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1_AddRegionToRegion.bmp"); 
 
   // Load the image 
   RasterImage image = codecs.Load(srcFileName); 
 
   // Create a GDI+ region 
   Region region; 
 
   using (GraphicsPath path = new GraphicsPath()) 
   { 
      path.AddRectangle(new Rectangle(100, 100, 200, 200)); 
      path.AddEllipse(new Rectangle(150, 150, 200, 200)); 
      region = new Region(path); 
   } 
 
   // Get the Windows GDI handle for this region 
   IntPtr hrgn; 
 
   using (Bitmap btmp = new Bitmap(1, 1)) 
   { 
      using (Graphics graphics = Graphics.FromImage(btmp)) 
      { 
         hrgn = region.GetHrgn(graphics); 
      } 
   } 
 
   // Add this region to the raster image 
   RasterRegionConverter.AddRegionToRegion(image, null, hrgn, RasterRegionCombineMode.Set); 
 
   region.ReleaseHrgn(hrgn); 
   region.Dispose(); 
 
   // Draw something on the image 
   InvertCommand command = new InvertCommand(); 
   command.Run(image); 
 
   // Save the image 
   codecs.Save(image, destFileName, RasterImageFormat.Bmp, 24); 
 
   image.Dispose(); 
   codecs.Dispose(); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; 
}