Ellipse Annotation Object

(Document and Medical Imaging toolkits)

The ellipse annotation object (ANNOBJECT_ELLIPSE) is a simple ellipse. With the automated functions, the user clicks and drags to specify the ellipse in the current window.

For information on flipping, reversing or rotating annotation objects, refer to Flipping, Reversing and Rotating Annotation Objects.

With low-level functions, you must specify the defining rectangle. Other applicable properties have the following defaults, which you can change:

Visible

Defaults to FALSE. It can be changed using the L_AnnSetVisible function.

Selected

Defaults to FALSE. It can be changed using the L_AnnSetSelected function.

Name

Defaults to an empty string. It can be changed using the L_AnnSetNameOptions function.

Line width

Defaults to 0.75 points. It can be changed using the L_AnnSetLineWidth function. (Note that when displayed, the line must have a minimum width of 1 pixel.)

Line style

Defaults to solid. It can be changed using the L_AnnSetLineStyle function.

ROP2 code

Defaults to ANNROP2_COPY. It can be changed using the L_AnnSetROP2 function.

Fill pattern

Defaults to solid. It can be changed using the L_AnnSetFillPattern function.

Fill mode

Defaults to transparent. It can be changed using the L_AnnSetFillMode function. Before calling this function enable the alpha background fill mode by calling the L_AnnSetOptions function.

Foreground color

Defaults to red. It can be changed using the L_AnnSetForeColor function.

Background color

Defaults to white. It can be changed using the L_AnnSetBackColor function.

Fixed State

Defaults to not fixed. It can be changed using the L_AnnSetFixed function.

Hyperlink

Defaults to None. It can be changed using the L_AnnSetHyperlink function.

Tag (identifier)

Defaults to 0. It can be changed using the L_AnnSetTag function.

Window handle

Defaults to NULL or the handle inherited from the container. It can be changed for all objects using the L_AnnSetWnd function.

User mode

Defaults to design mode or the mode inherited from the container. It can be changed for all objects using the L_AnnSetUserMode function.

Related topics:

Implementing Annotations.

Types of Annotations.

Low-Level Coordinate System for Annotations.

Annotation Objects - Automated Features

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