ITT Rule IDL Version 7.0 User Manual download pdf (Page 220)

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220 Chapter 8: Creating a Manipulator

Creating a New Manipulator iTool Developer’s Guide

includes the IDLitManpulator::RegisterCursor method. Call this method to register a

custom cursor when the manipulator is initialized.

The RegisterCursor method accepts a 16-element string array of 16 characters each

that defines the body, mask area, and hot spot of the cursor. See

“IDLitManipulator::RegisterCursor” (IDL Reference Guide) for details. This lets you

quickly configure a cursor without having to create and reference a separate bitmap

file. The manipulator cursor is active when it is over a supported visualization type.

Note

You must set the DEFAULT keyword for a custom manipulator cursor when you

use the RegisterCursor method to override the default system manipulator cursor.

Example DoRegisterCursor Method

The following example shows a custom cursor registration method,

DoRegisterCursor, which implements the IDLitManipulator class RegisterCursor

method to create a custom cursor. See “Example: Color Table Manipulator” on

page 226 for a complete example.

; Create and assign the default cursor for the manipulator.

PRO ExampleManip::DoRegisterCursor

; Define the default cursor for this manipulator.

strArray = [ $

' ', $

' .#. .#. ', $

' .#..........#. ', $

'.##############.', $

'###....$.....###', $

'.##############.', $

' .#..........#. ', $

' .#. .#. ', $

' ', $

' ']

; Register the new cursor with the tool.

self->RegisterCursor, strArray, 'LUT', /DEFAULT

END

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ITT Rule IDL Version 7.0 User Manual Page 220

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