Adding labels to annotations

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This topic and its replies were posted before the current version of LEADTOOLS was released and may no longer be applicable.

#1 Posted : Wednesday, February 15, 2017 4:05:03 AM(UTC)

maneka

Groups: Registered
Posts: 17

Thanks: 1 times

Hi

I have the following scenario where if I add a annotation i.e. a free hand drawing, polygon, rectangle etc. I require a label to be attached to this shape. I did notice that the annotation shapes have a label property which can be made visible however it is positioned in the left corner. My question is, is it possible to set the co-ordinates of this shape to be the rotateCentre co-ordinates of the shape.

I have used the following code to set the label

var point = annRect.rotateCenter;

var label = annRect.get_labels()["AnnObjectName"];
label.set_isVisible(true);
label.set_foreground(lt.Annotations.Core.AnnSolidColorBrush.create("white"));
label.set_background(lt.Annotations.Core.AnnSolidColorBrush.create("red"));
label.set_text("1");
label.set_originalPosition(point);

annRect.labels.AnnObjectName = label;

Any help provided is appriciated

Thank you
Maneka


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#2 Posted : Monday, February 20, 2017 9:56:06 AM(UTC)

Roberto

Groups: Registered, Tech Support, Administrators
Posts: 39

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Was thanked: 3 time(s) in 3 post(s)

Hi maneka,

You can achieve this using the following code:

Code:

            AnnLabel label = e.Object.Labels["AnnObjectName"];
            label.IsVisible = true;
            label.Offset = LeadPointD.Create(e.Object.RotateCenter.X - e.Object.Bounds.Left, e.Object.RotateCenter.Y - e.Object.Bounds.Top);
            label.OffsetHeight = false;
            label.Text = e.Object.FriendlyName;

Here is a screenshot:

UserPostedImage

Roberto Rodriguez
Developer Support Engineer
LEAD Technologies, Inc.

1 user thanked Roberto for this useful post.

maneka on 3/1/2017(UTC)

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