Crossproduct Annotation Object - Raster imaging C++ Class Library Help

Crossproduct Annotation Object

The CrossProduct annotation object (ANNOBJECT_CROSSPRODUCT) consists of two rulers intersecting at right angles. With the automated functions, the CrossProduct is started on a mouse-down event and completed on a mouse-up event.

The class for CrossProduct Annotation objects is LAnnCrossProduct.

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

With low-level functions, you must define the points by calling the LAnnRuler::SetPoints function. The points are ordered as follows:

image\CrPoint.gif

Other applicable properties have the following defaults, which you can change:

Visible

Defaults to FALSE. It can be changed using the LAnnotation::SetVisible function.

Selected

Defaults to FALSE. It can be changed using the LAnnotation::SetSelected function.

Name

Defaults to an empty string. It can be changed using the LAnnotation::SetNameOptions function.

Line width

Defaults to 0.75 points. It can be changed using the LAnnRuler::SetLineWidth 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 LAnnRuler::SetLineStyle function.

ROP2 code

Defaults to ANNROP2_COPY. It can be changed using the LAnnotation::SetROP2 function.

Fill mode

Defaults to transparent. It can be changed using the LAnnotation::SetFillMode function.

Foreground color

Defaults to red. It can be changed using the LAnnotation::SetForeColor function.

Background color

Defaults to white. It can be changed using the LAnnotation::SetBackColor function.

Font size

Defaults to 10 point, translated with a scaling factor of 1. It can be changed using the LAnnotation::SetFontSize function.

Font underline

Defaults to FALSE. It can be changed using the LAnnotation::SetFontUnderline function.

Font strikethrough

Defaults to FALSE. It can be changed using the LAnnotation::SetFontStrikethrough function.

Font italic

Defaults to FALSE. It can be changed using the LAnnotation::SetFontItalic function.

Font bold

Defaults to FALSE. It can be changed using the LAnnotation::SetFontBold function.

Font name

Defaults to "Arial". It can be changed using the LAnnotation::SetFontName function.

Ruler show flags

Defaults to Show Length and Show Tic Marks. These options can be changed using the LAnnRuler::SetShowFlags function and the LAnnRuler::SetTicMarkLength function.

Fixed State

Defaults to not fixed. It can be changed using the LAnnXXX::SetFixed function.

Hyperlink

Defaults to ANNLINK_NONE. It can be changed using the LAnnotation::SetHyperlink function.

Tag (identifier)

Defaults to 0. It can be changed using the LAnnotation::SetTag function.

Window handle

Defaults to NULL or the handle inherited from the container. It can be changed for all objects using LAnnContainer::SetWnd.

User mode

Defaults to design mode or the mode inherited from the container. It can be changed for all objects using LAnnContainer::SetUserMode.

Related topics:

Implementing Annotations.

Types of Annotations.

Low-Level Coordinate System for Annotations.

Annotation Objects - Automated Features

Using Rulers in Annotation Objects

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