casa::WCSizeControlHandler Class Reference

Base class defining the interface to controlling the WorldCanvas size. More...

#include <WCSizeControlHandler.h>

Inheritance diagram for casa::WCSizeControlHandler:

List of all members.

Public Member Functions
	WCSizeControlHandler ()
	Default Constructor Required.
virtual Bool	executeSizeControl (WorldCanvas *wc)=0
	apply function called by world canvas during refresh
virtual	~WCSizeControlHandler ()
	Destructor.

---

Detailed Description

Base class defining the interface to controlling the WorldCanvas size.

Prerequisite

• WorldCanvas

Etymology

WCSizeControlHandler : WorldCanvas size control handler

Synopsis

The intention of this class is to provide a means of allowing a group of display objects to determine among themselves the optimum size of the display for the rendering required.

The WCSizeControlHandler could, for example, be programmed to fudge the display size to make it more convenient to display images of a certain size.

Motivation

Allow for client programmer to control the size of the WorldCanvas .

Example

none available yet.

To Do

• Decide on implementation details
• Get a concrete class implemented

Definition at line 73 of file WCSizeControlHandler.h.

---

Constructor & Destructor Documentation

casa::WCSizeControlHandler::WCSizeControlHandler

(

)

Default Constructor Required.

virtual casa::WCSizeControlHandler::~WCSizeControlHandler

(

)

[virtual]

Destructor.

---

Member Function Documentation

virtual Bool casa::WCSizeControlHandler::executeSizeControl

(

WorldCanvas *

wc

)

[pure virtual]

apply function called by world canvas during refresh

Implemented in casa::WorldCanvasHolder, and casa::DefaultWCSizeControlHandler.

---

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

• code/display/DisplayCanvas/WCSizeControlHandler.h