''' <summary>
''' Initializes WPF image viewer for displaying PDF annotation comments.
''' </summary>
''' <param name="imageViewer">WPF image viewer, which must be initialized for displaying PDF annotation comments.</param>
Public Shared Sub InitViewerToDisplayPdfAnnotationComments(imageViewer As Vintasoft.Imaging.Wpf.UI.WpfImageViewer)
    ' create new PDF annotation comment controller
    Dim annotationCommentController As New Vintasoft.Imaging.Annotation.Comments.Pdf.ImageCollectionPdfAnnotationCommentController()
    ' create the comment visual tool, which is associated with PDF annotation comment controller
    Dim commentVisualTool As Vintasoft.Imaging.Annotation.Wpf.UI.VisualTools.WpfCommentVisualTool = CreateCommentTool(annotationCommentController)
    ' specify that comment visual tool must be used in WPF image viewer
    imageViewer.VisualTool = New Vintasoft.Imaging.Wpf.UI.VisualTools.WpfCompositeVisualTool(commentVisualTool, imageViewer.VisualTool)
End Sub

''' <summary>
''' Initializes WPF annotation viewer for displaying Vintasoft annotation comments.
''' </summary>
''' <param name="annotationViewer">WPF annotation viewer, which must be initialized for displaying Vintasoft annotation comments.</param>
Public Shared Sub InitViewerToDisplayVintasoftAnnotationComments(annotationViewer As Vintasoft.Imaging.Annotation.Wpf.UI.WpfAnnotationViewer)
    ' create the annotation comment controller, which is associated with annotation data controller
    Dim annotationCommentController As New Vintasoft.Imaging.Annotation.Comments.AnnotationCommentController(annotationViewer.AnnotationDataController)
    ' create the comment visual tool, which is associated with annotation comment controller
    Dim commentVisualTool As Vintasoft.Imaging.Annotation.Wpf.UI.VisualTools.WpfCommentVisualTool = CreateCommentTool(annotationCommentController)
    ' specify that comment visual tool must be used in WinForms annotation viewer
    annotationViewer.VisualTool = New Vintasoft.Imaging.Wpf.UI.VisualTools.WpfCompositeVisualTool(commentVisualTool, annotationViewer.VisualTool)
End Sub

''' <summary>
''' Creates the comment visual tool using the specified comment controller.
''' </summary>
''' <param name="imageCollectionCommentController">The image collection comment controller.</param>
''' <returns>The comment visual tool.</returns>
Public Shared Function CreateCommentTool(imageCollectionCommentController As Vintasoft.Imaging.Annotation.Comments.ImageCollectionCommentController) As Vintasoft.Imaging.Annotation.Wpf.UI.VisualTools.WpfCommentVisualTool
    ' create the comment controller for WPF image viewer
    Dim commentController As New Vintasoft.Imaging.Annotation.Wpf.UI.Comments.WpfImageViewerCommentController(imageCollectionCommentController)
    ' create the comment visual tool, which uses the CommentControlFactory class for creating the comment controls
    Return New Vintasoft.Imaging.Annotation.Wpf.UI.VisualTools.WpfCommentVisualTool(commentController, New CommentControlFactory())
End Function



''' <summary>
''' Represents a factory that allows to create comment controls.
''' </summary>
Public Class CommentControlFactory
    Implements Vintasoft.Imaging.Annotation.UI.Comments.ICommentControlFactory

    ''' <summary>
    ''' Creates the comment control that displays specified comment.
    ''' </summary>
    ''' <param name="comment">The comment.</param>
    ''' <returns>Comment control that displays specified comment.</returns>
    Public Function Create(comment As Vintasoft.Imaging.Annotation.Comments.Comment) As Vintasoft.Imaging.Annotation.UI.Comments.ICommentControl Implements Vintasoft.Imaging.Annotation.UI.Comments.ICommentControlFactory.Create
        ' create a comment control that displays comment in WPF image viewer
        Return New CommentControl(comment)
    End Function

End Class



' see code of CommentControl class for PDF annotation comment in file
' "%INSTALL_PATH%\Examples\WPF\CSharp\WpfPdfEditorDemo\DemosCommonCode.Annotation\Comments\CommentControl.xaml"
'
' see code of CommentControl class for Vintasoft annotation comment in file
' "%INSTALL_PATH%\Examples\WPF\CSharp\WpfAnnotationDemo\DemosCommonCode.Annotation\Comments\CommentControl.xaml"

/// <summary>
/// Initializes WPF image viewer for displaying PDF annotation comments.
/// </summary>
/// <param name="imageViewer">WPF image viewer, which must be initialized for displaying PDF annotation comments.</param>
public static void InitViewerToDisplayPdfAnnotationComments(Vintasoft.Imaging.Wpf.UI.WpfImageViewer imageViewer)
{
    // create new PDF annotation comment controller
    Vintasoft.Imaging.Annotation.Comments.Pdf.ImageCollectionPdfAnnotationCommentController annotationCommentController =
        new Vintasoft.Imaging.Annotation.Comments.Pdf.ImageCollectionPdfAnnotationCommentController();
    // create the comment visual tool, which is associated with PDF annotation comment controller
    Vintasoft.Imaging.Annotation.Wpf.UI.VisualTools.WpfCommentVisualTool commentVisualTool = CreateCommentTool(annotationCommentController);
    // specify that comment visual tool must be used in WPF image viewer
    imageViewer.VisualTool = new Vintasoft.Imaging.Wpf.UI.VisualTools.WpfCompositeVisualTool(commentVisualTool, imageViewer.VisualTool);
}

/// <summary>
/// Initializes WPF annotation viewer for displaying Vintasoft annotation comments.
/// </summary>
/// <param name="annotationViewer">WPF annotation viewer, which must be initialized for displaying Vintasoft annotation comments.</param>
public static void InitViewerToDisplayVintasoftAnnotationComments(Vintasoft.Imaging.Annotation.Wpf.UI.WpfAnnotationViewer annotationViewer)
{
    // create the annotation comment controller, which is associated with annotation data controller
    Vintasoft.Imaging.Annotation.Comments.AnnotationCommentController annotationCommentController =
        new Vintasoft.Imaging.Annotation.Comments.AnnotationCommentController(annotationViewer.AnnotationDataController);
    // create the comment visual tool, which is associated with annotation comment controller
    Vintasoft.Imaging.Annotation.Wpf.UI.VisualTools.WpfCommentVisualTool commentVisualTool = CreateCommentTool(annotationCommentController);
    // specify that comment visual tool must be used in WinForms annotation viewer
    annotationViewer.VisualTool = new Vintasoft.Imaging.Wpf.UI.VisualTools.WpfCompositeVisualTool(commentVisualTool, annotationViewer.VisualTool);
}

/// <summary>
/// Creates the comment visual tool using the specified comment controller.
/// </summary>
/// <param name="imageCollectionCommentController">The image collection comment controller.</param>
/// <returns>The comment visual tool.</returns>
public static Vintasoft.Imaging.Annotation.Wpf.UI.VisualTools.WpfCommentVisualTool CreateCommentTool(
    Vintasoft.Imaging.Annotation.Comments.ImageCollectionCommentController imageCollectionCommentController)
{
    // create the comment controller for WPF image viewer
    Vintasoft.Imaging.Annotation.Wpf.UI.Comments.WpfImageViewerCommentController commentController =
        new Vintasoft.Imaging.Annotation.Wpf.UI.Comments.WpfImageViewerCommentController(imageCollectionCommentController);
    // create the comment visual tool, which uses the CommentControlFactory class for creating the comment controls
    return new Vintasoft.Imaging.Annotation.Wpf.UI.VisualTools.WpfCommentVisualTool(commentController, new CommentControlFactory());
}



/// <summary>
/// Represents a factory that allows to create comment controls.
/// </summary>
public class CommentControlFactory : Vintasoft.Imaging.Annotation.UI.Comments.ICommentControlFactory
{

    /// <summary>
    /// Creates the comment control that displays specified comment.
    /// </summary>
    /// <param name="comment">The comment.</param>
    /// <returns>Comment control that displays specified comment.</returns>
    public Vintasoft.Imaging.Annotation.UI.Comments.ICommentControl Create(Vintasoft.Imaging.Annotation.Comments.Comment comment)
    {
        // create a comment control that displays comment in WPF image viewer
        return new CommentControl(comment);
    }

}



// see code of CommentControl class for PDF annotation comment in file
// "%INSTALL_PATH%\Examples\WPF\CSharp\WpfPdfEditorDemo\DemosCommonCode.Annotation\Comments\CommentControl.xaml"
//
// see code of CommentControl class for Vintasoft annotation comment in file
// "%INSTALL_PATH%\Examples\WPF\CSharp\WpfAnnotationDemo\DemosCommonCode.Annotation\Comments\CommentControl.xaml"