WorldCanvas event-based polygon region drawer. More...

#include <WCPTRegion.h>

Inheritance diagram for casa::WCPTRegion:

Public Member Functions
	WCPTRegion (WorldCanvas *wcanvas, Display::KeySym keysym=Display::K_Pointer_Button1)
	Constructor.
virtual	~WCPTRegion ()
	Destructor.
virtual void	doubleInside ()
	Functions specific to the region drawing - these are called by lower-level event handlers in the base classes.
virtual void	regionReady ()
	This functio is called when a region is deliberately "finished" by the user.

Detailed Description

WorldCanvas event-based polygon region drawer.

Intended use:

Public interface

Review Status

<prerequisites> WCRectTool </prerequisites>

Etymology

WCPTRegion stands for WorldCanvas Polygon Tool Region

Synopsis

This class finalises the functionality in WCRectTool to implement event-based drawing of polygonal regions on a WorldCanvas. Double clicking inside the constructed polygon emits the region, whilst pressing Escape cancels the region.

Example

Motivation

Polygonal regions are the most common regions, and constructing them visually can be very efficient.

To Do

Nothing known

Definition at line 78 of file WCPTRegion.h.

Constructor & Destructor Documentation

casa::WCPTRegion::WCPTRegion	(	WorldCanvas *	wcanvas,
		Display::KeySym	keysym = `Display::K_Pointer_Button1`
	)

Constructor.

virtual casa::WCPTRegion::~WCPTRegion ( ) [virtual]

Destructor.

Member Function Documentation

virtual void casa::WCPTRegion::doubleInside ( ) [virtual]

Functions specific to the region drawing - these are called by lower-level event handlers in the base classes.

Reimplemented from casa::WCPolyTool.

virtual void casa::WCPTRegion::regionReady ( ) [inline, virtual]

This functio is called when a region is deliberately "finished" by the user.

It can be implemented to do further actions, such as report the region to the application

Definition at line 96 of file WCPTRegion.h.

The documentation for this class was generated from the following file:

code/display/DisplayEvents/WCPTRegion.h

Public Member Functions