PaintOverlay(RasterImage,Graphics,int,LeadRect,LeadRect,LeadRect,LeadRect,RasterPaintProperties) Method

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Drawing; 
using Leadtools.ImageProcessing; 
 
public void PaintOverlayExample() 
{ 
   PaintOverlayForm f = new PaintOverlayForm(); 
   f.ShowDialog(); 
} 
 
class PaintOverlayForm : Form 
{ 
   private RasterImage image; 
   private RasterPaintProperties props; 
 
   public PaintOverlayForm() 
   { 
      // Load the image 
      RasterCodecs codecs = new RasterCodecs(); 
 
      image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Image2.dcm")); 
 
      using (RasterImage overlay = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Ocr1.tif"))) 
      { 
         ResizeCommand cmd = new ResizeCommand(); 
         using (RasterImage destImage = new RasterImage(RasterMemoryFlags.Conventional, image.Width, image.Height, 1, RasterByteOrder.Bgr, image.ViewPerspective, null, IntPtr.Zero, 0)) 
         { 
            cmd.Flags = RasterSizeFlags.FavorBlack; 
            cmd.DestinationImage = destImage; 
            cmd.Run(overlay); 
            image.SetOverlayImage(0, destImage, RasterGetSetOverlayImageMode.Copy); 
         } 
      } 
 
      RasterOverlayAttributes attributes = image.GetOverlayAttributes(0, 
         RasterGetSetOverlayAttributesFlags.Color | 
         RasterGetSetOverlayAttributesFlags.Flags | 
         RasterGetSetOverlayAttributesFlags.Origin | 
         RasterGetSetOverlayAttributesFlags.BitIndex); 
 
      attributes.AutoPaint = false; 
      attributes.Color = new RasterColor(255, 0, 0); 
 
      image.UpdateOverlayAttributes( 
         0, 
         attributes, 
         RasterGetSetOverlayAttributesFlags.Color | 
         RasterGetSetOverlayAttributesFlags.Flags | 
         RasterGetSetOverlayAttributesFlags.Origin | 
         RasterGetSetOverlayAttributesFlags.BitIndex); 
 
      Text = "PaintOverlay Example"; 
      props = RasterPaintProperties.Default; 
      props.UsePaintPalette = true; 
   } 
 
   protected override void Dispose(bool disposing) 
   { 
      // Clean up 
      if (disposing) 
      { 
         image.Dispose(); 
      } 
 
      base.Dispose(disposing); 
   } 
 
   protected override void OnPaint(PaintEventArgs e) 
   { 
      // Draw the image fit and center on this form 
      LeadRect destRect = LeadRect.FromLTRB(ClientRectangle.Left, ClientRectangle.Top, ClientRectangle.Right, ClientRectangle.Bottom); 
      destRect = RasterImage.CalculatePaintModeRectangle( 
         image.ImageWidth, 
         image.ImageHeight, 
         destRect, 
         RasterPaintSizeMode.Fit, 
         RasterPaintAlignMode.Center, 
         RasterPaintAlignMode.Center); 
      RasterImagePainter.Paint(image, e.Graphics, LeadRect.Empty, destRect, props); 
      RasterImagePainter.PaintOverlay(image, e.Graphics, 0, LeadRect.Empty, LeadRect.Empty, destRect, LeadRect.Empty, props); 
 
      base.OnPaint(e); 
   } 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; 
}