VintaSoft Imaging .NET SDK v8.7
Vintasoft.Imaging.UI.VisualTools.GraphicObjects Namespace / GraphicObjectTool Class
Members Example



In This Topic
    GraphicObjectTool Class
    In This Topic
    Visual tool for displaying static graphic objects in an image viewer.
    Object Model
    GraphicObjectTool ClassIInteractionController InterfaceImageViewer Class
    Syntax
    Example
    This example shows how to draw two graphic object on viewer: first object - rectangle (red) that uses coordinate system of current image, second object - ellipse (green) that uses coordinate system of image viewer:
    ''' <summary>
    ''' Tests the graphics objects on image viewer.
    ''' </summary>
    ''' <param name="viewer">The viewer.</param>
    Public Shared Sub TestGraphicsObjects(viewer As Vintasoft.Imaging.UI.ImageViewer)
    	' objects location and size
    	Dim objectBBox As New System.Drawing.RectangleF(40, 60, 80, 100)
                
    	' object fill brush
    	Dim brush As System.Drawing.Brush = New System.Drawing.SolidBrush(System.Drawing.Color.FromArgb(128, System.Drawing.Color.White))
                
    	' create Rectangular Graphic Object
    	Dim rect As New Vintasoft.Imaging.UI.VisualTools.GraphicObjects.RectangularGraphicObject(objectBBox, New System.Drawing.Pen(System.Drawing.Color.Red, 10), brush)
    	' use current image coordinate space for rectange
    	rect.PointTransform = New Vintasoft.Imaging.UI.VisualTools.PixelsToImageViewerPointFTransform()
                
    	' create Elliptical Graphic Object
    	Dim ellipse As New Vintasoft.Imaging.UI.VisualTools.GraphicObjects.EllipticalGraphicObject(objectBBox, New System.Drawing.Pen(System.Drawing.Color.Green, 10), brush)
    	' use image viewer coordinate space for ellipse
    	ellipse.PointTransform = Nothing
                
    	' create GraphicObjectTool
    	Dim graphicObjects As New Vintasoft.Imaging.UI.VisualTools.GraphicObjects.GraphicObjectTool()
    	graphicObjects.GraphicObjectCollection.Add(rect)
    	graphicObjects.GraphicObjectCollection.Add(ellipse)
                
    	' set GraphicObjectTool as current tool of ImageViewer
    	viewer.VisualTool = graphicObjects
    End Sub
    /// <summary>
    /// Tests the graphics objects on image viewer.
    /// </summary>
    /// <param name="viewer">The viewer.</param>
    public static void TestGraphicsObjects(Vintasoft.Imaging.UI.ImageViewer viewer)
    {
        // objects location and size
        System.Drawing.RectangleF objectBBox = new System.Drawing.RectangleF(40, 60, 80, 100);
                
        // object fill brush
        System.Drawing.Brush brush = new System.Drawing.SolidBrush(
            System.Drawing.Color.FromArgb(128, System.Drawing.Color.White));
                
        // create Rectangular Graphic Object
        Vintasoft.Imaging.UI.VisualTools.GraphicObjects.RectangularGraphicObject rect = 
            new Vintasoft.Imaging.UI.VisualTools.GraphicObjects.RectangularGraphicObject(
                objectBBox, 
                new System.Drawing.Pen(System.Drawing.Color.Red, 10), 
                brush);
        // use current image coordinate space for rectange
        rect.PointTransform = 
            new Vintasoft.Imaging.UI.VisualTools.PixelsToImageViewerPointFTransform();
                
        // create Elliptical Graphic Object
        Vintasoft.Imaging.UI.VisualTools.GraphicObjects.EllipticalGraphicObject ellipse = 
            new Vintasoft.Imaging.UI.VisualTools.GraphicObjects.EllipticalGraphicObject(
                objectBBox, 
                new System.Drawing.Pen(System.Drawing.Color.Green, 10), 
                brush);
        // use image viewer coordinate space for ellipse
        ellipse.PointTransform = null;
                
        // create GraphicObjectTool
        Vintasoft.Imaging.UI.VisualTools.GraphicObjects.GraphicObjectTool graphicObjects = 
            new Vintasoft.Imaging.UI.VisualTools.GraphicObjects.GraphicObjectTool();
        graphicObjects.GraphicObjectCollection.Add(rect);
        graphicObjects.GraphicObjectCollection.Add(ellipse);
                
        // set GraphicObjectTool as current tool of ImageViewer
        viewer.VisualTool = graphicObjects;
    }
    Inheritance Hierarchy

    System.Object
       Vintasoft.Imaging.UI.VisualTools.VisualTool
          Vintasoft.Imaging.UI.VisualTools.UserInteraction.UserInteractionVisualTool
             Vintasoft.Imaging.UI.VisualTools.GraphicObjects.GraphicObjectTool
                Vintasoft.Imaging.UI.VisualTools.TextOverlayTool

    Requirements

    Target Platforms: Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP, Windows Server 2012, Windows Server 2008, Windows Server 2003

    See Also