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AnnPicture Class
See Also  Members  
Leadtools.Annotations Namespace : AnnPicture Class



The AnnPicture Class is available in LEADTOOLS Document and Medical Imaging toolkits.

Defines an annotation picture along with its transparency information.

Object Model

AnnPicture ClassAnnPicture Class

Syntax

Visual Basic (Declaration) 
<SerializableAttribute()>
Public Class AnnPicture 
   Implements ICloneableIDisposableISerializable 
Visual Basic (Usage)Copy Code
Dim instance As AnnPicture
C# 
[SerializableAttribute()]
public class AnnPicture : ICloneableIDisposableISerializable  
C++/CLI 
[SerializableAttribute()]
public ref class AnnPicture : public ICloneableIDisposableISerializable  

Example

This example creates an image that has a blue ellipse inside a red rectangle.

Visual BasicCopy Code
Private Sub AnnPicture_AnnPicture(ByVal g As Graphics)
   Dim btmp As Bitmap = New Bitmap(100, 100, PixelFormat.Format32bppArgb)
   Try
      Dim graphicsImage As Graphics = Graphics.FromImage(btmp)
      Try
         graphicsImage.FillRectangle(Brushes.Red, New Rectangle(0, 0, 100, 100))
         graphicsImage.FillEllipse(Brushes.Blue, New Rectangle(0, 0, 100, 100))
         graphicsImage.Dispose()
      Finally
         CType(graphicsImage, IDisposable).Dispose()
      End Try
      ' initialize a new AnnPicture class for this image
      Dim pic As AnnPicture = New AnnPicture(btmp)

      ' draw the picture with no transparency
      Dim rc As Rectangle = New Rectangle(10, 10, pic.Image.Width, pic.Image.Height)
      Dim ia As ImageAttributes = pic.ImageAttributes
      If Not ia Is Nothing Then
         g.DrawImage(pic.Image, rc, 0, 0, pic.Image.Width, pic.Image.Height, GraphicsUnit.Pixel, ia)
         ia.Dispose()
      Else
         If rc.Width > 1 AndAlso rc.Height > 1 Then
            g.DrawImage(pic.Image, rc)
         End If
      End If

      ' draw the picture without the ellipse (make transparent color = blue)
      rc.Offset(0, pic.Image.Height + 10)
      pic.TransparentMode = AnnPictureTransparentMode.UseColor
      pic.TransparentColor = Color.Blue

      ia = pic.ImageAttributes
      If Not ia Is Nothing Then
         g.DrawImage(pic.Image, rc, 0, 0, pic.Image.Width, pic.Image.Height, GraphicsUnit.Pixel, ia)
         ia.Dispose()
      Else
         If rc.Width > 1 AndAlso rc.Height > 1 Then
            g.DrawImage(pic.Image, rc)
         End If
      End If

      ' draw the picture without the rectangle (use the top left pixel as the transparent color)
      rc.Offset(0, pic.Image.Height + 10)
      pic.TransparentMode = AnnPictureTransparentMode.TopLeftPixel

      ia = pic.ImageAttributes
      If Not ia Is Nothing Then
         g.DrawImage(pic.Image, rc, 0, 0, pic.Image.Width, pic.Image.Height, GraphicsUnit.Pixel, ia)
         ia.Dispose()
      Else
         If rc.Width > 1 AndAlso rc.Height > 1 Then
            g.DrawImage(pic.Image, rc)
         End If
      End If
   Finally
      CType(btmp, IDisposable).Dispose()
   End Try
End Sub
C#Copy Code
private void AnnPicture_AnnPicture(Graphics graphics)
{
   using(Bitmap btmp = new Bitmap(100, 100, PixelFormat.Format32bppArgb))
   {
      using(Graphics graphicsImage = Graphics.FromImage(btmp))
      {
         graphicsImage.FillRectangle(Brushes.Red, new Rectangle(0, 0, 100, 100));
         graphicsImage.FillEllipse(Brushes.Blue, new Rectangle(0, 0, 100, 100));
         graphicsImage.Dispose();
      }
      // initialize a new AnnPicture class for this image
      AnnPicture pic = new AnnPicture(btmp);

      // draw the picture with no transparency
      Rectangle rc = new Rectangle(10, 10, pic.Image.Width, pic.Image.Height);
      ImageAttributes ia = pic.ImageAttributes;
      if(ia != null)
      {
         graphics.DrawImage(pic.Image, rc, 0, 0, pic.Image.Width, pic.Image.Height, GraphicsUnit.Pixel, ia);
         ia.Dispose();
      }
      else
      {
         if(rc.Width > 1 && rc.Height > 1)
            graphics.DrawImage(pic.Image, rc);
      }

      // draw the picture without the ellipse (make transparent color = blue)
      rc.Offset(0, pic.Image.Height + 10);
      pic.TransparentMode = AnnPictureTransparentMode.UseColor;
      pic.TransparentColor = Color.Blue;

      ia = pic.ImageAttributes;
      if(ia != null)
      {
         graphics.DrawImage(pic.Image, rc, 0, 0, pic.Image.Width, pic.Image.Height, GraphicsUnit.Pixel, ia);
         ia.Dispose();
      }
      else
      {
         if(rc.Width > 1 && rc.Height > 1)
            graphics.DrawImage(pic.Image, rc);
      }

      // draw the picture without the rectangle (use the top left pixel as the transparent color)
      rc.Offset(0, pic.Image.Height + 10);
      pic.TransparentMode = AnnPictureTransparentMode.TopLeftPixel;

      ia = pic.ImageAttributes;
      if(ia != null)
      {
         graphics.DrawImage(pic.Image, rc, 0, 0, pic.Image.Width, pic.Image.Height, GraphicsUnit.Pixel, ia);
         ia.Dispose();
      }
      else
      {
         if(rc.Width > 1 && rc.Height > 1)
            graphics.DrawImage(pic.Image, rc);
      }
   }
}

Inheritance Hierarchy

System.Object
   Leadtools.Annotations.AnnPicture

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7

See Also

Leadtools.Annotations requires a Document or Medical toolkit license and unlock key. For more information, refer to: Imaging Pro/Document/Medical Features