#include <WCRTZoomer.h>

Inheritance diagram for casa::WCRTZoomer:

Public Member Functions
	WCRTZoomer (WorldCanvas *wcanvas, Display::KeySym keysym=Display::K_Pointer_Button1)
	Constructor. More...

virtual	~WCRTZoomer ()
	Destructor. More...

virtual void	doubleInside ()
	Functions specific to the zooming - these are called by lower-level event handlers in the base classes. More...

virtual void	doubleOutside ()

virtual void	zoomed (const casacore::Vector< casacore::Double > &linBlc, const casacore::Vector< casacore::Double > &linTrc)
	This function is called when a zoom occurs. More...

Public Member Functions inherited from casa::WCRectTool
	WCRectTool (WorldCanvas *wcanvas, Display::KeySym keysym=Display::K_Pointer_Button1, const casacore::Bool persistent=false)
	Constructor. More...

virtual	~WCRectTool ()
	Destructor. More...

virtual void	disable ()
	Switch the tool off - this calls the base class disable, and then erases the rectangle if it's around. More...

virtual void	keyPressed (const WCPositionEvent &ev)
	Functions called by the local event handling operators - these handle the drawing of the rectangle. More...

virtual void	keyReleased (const WCPositionEvent &ev)

virtual void	otherKeyPressed (const WCPositionEvent &ev)

virtual void	moved (const WCMotionEvent &ev, const viewer::region::region_list_type &)

virtual void	refresh (const WCRefreshEvent &ev)

virtual void	rectangleReady ()
	Functions called when a rectangle is ready and not being editted, and when this status changes. More...

virtual void	rectangleNotReady ()

virtual void	get (casacore::Int &x1, casacore::Int &y1, casacore::Int &x2, casacore::Int &y2) const
	Retrieve the rectangle corners. More...

Public Member Functions inherited from casa::WCTool
	WCTool (WorldCanvas *wcanvas, const Display::KeySym &keysym=Display::K_Pointer_Button1)
	Constructor taking a pointer to a WorldCanvas to which this tool will attach, and a primary key to respond to. More...

virtual	~WCTool ()
	Destructor. More...

virtual void	enable ()
	Switch the tool on/off - this simply registers or unregisters the event handlers. More...

virtual void	operator() (const WCPositionEvent &ev)
	Required operators for event handling - these are called when an events occur, and distribute the events to the "user-level" methods. More...

virtual void	operator() (const WCMotionEvent &ev)

virtual void	operator() (const WCRefreshEvent &ev)

virtual void	otherKeyReleased (const WCPositionEvent &)

virtual WorldCanvas *	worldCanvas () const
	Get the WorldCanvas that this Tool is attached to. More...

virtual PixelCanvas *	pixelCanvas () const
	Get the PixelCanvas that this Tool is attached to via its WorldCanvas. More...

Public Member Functions inherited from casa::DisplayTool
virtual	~DisplayTool ()
	Destructor. More...

virtual void	setKey (const Display::KeySym &keysym)
	Set/get which key to catch. More...

virtual Display::KeySym	getKey () const

Public Member Functions inherited from casa::DTVisible
	DTVisible ()
	Default constructor. More...

virtual	~DTVisible ()
	Destructor. More...

virtual casacore::String	drawColor () const
	Return the color to use. More...

virtual casacore::Int	lineWidth () const
	Return the line width to use. More...

virtual casacore::Double	doubleClickInterval () const
	Return the double click interval (in seconds). More...

Private Member Functions
void	getLinearCoords (casacore::Vector< casacore::Double > &blc, casacore::Vector< casacore::Double > &trc)
	get the linear coords of the current zoom box More...

Additional Inherited Members
Protected Member Functions inherited from casa::WCTool
	WCTool ()
	(Required) default constructor. More...

	WCTool (const WCTool &other)
	(Required) copy constructor. More...

WCTool &	operator= (const WCTool &other)
	(Required) copy assignment. More...

Protected Member Functions inherited from casa::DisplayTool
	DisplayTool (const Display::KeySym &keysym=Display::K_Pointer_Button1)
	Constructor taking a key to which this tool will initially be attached, typically one of the pointer buttons. More...

	DisplayTool (const DisplayTool &other)
	Copy constructor - construct a new DisplayTool from `other`, using copy semantics. More...

DisplayTool &	operator= (const DisplayTool &other)
	Copy assignment using copy semantics. More...

Display::KeyModifier	keyModifiers ()
	Return the modifier mask. More...

Protected Member Functions inherited from casa::DTVisible
	DTVisible (const DTVisible &other)
	(Required) copy constructor. More...

DTVisible &	operator= (const DTVisible &other)
	(Required) copy assignment. More...

Detailed Description

WorldCanvas event-based zoomer.

Intended use:

Public interface

Review Status

<prerequisites> WCRectTool </prerequisites>

Etymology

WCRTZoomer stands for WorldCanvas Rectangling Tool Zoomer

Synopsis

This class finalises the functionality in WCRectTool to implement event-based zooming on a WorldCanvas. casacore::Double clicking inside the constructed rectangle results in zooming in; double clicking outside the rectangle gives zooming out.

Example

Motivation

Zooming is an essential tool for interacting with data displays.

To Do

Nothing known

Definition at line 77 of file WCRTZoomer.h.

Constructor & Destructor Documentation

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

Constructor.

virtual casa::WCRTZoomer::~WCRTZoomer ( )

virtual

Destructor.

Member Function Documentation

virtual void casa::WCRTZoomer::doubleInside ( )

virtual

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

Reimplemented from casa::WCRectTool.

virtual void casa::WCRTZoomer::doubleOutside ( )

virtual

Reimplemented from casa::WCRectTool.

void casa::WCRTZoomer::getLinearCoords	(	casacore::Vector< casacore::Double > &	blc,
		casacore::Vector< casacore::Double > &	trc
	)

private

get the linear coords of the current zoom box

virtual void casa::WCRTZoomer::zoomed	(	const casacore::Vector< casacore::Double > &	linBlc,
		const casacore::Vector< casacore::Double > &	linTrc
	)

virtual

This function is called when a zoom occurs.

It is supplied with the linear coords of the new zoom box, and thus can be implemented to do further actions, or perhaps report the new zoom box to the application

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

casa/code/display/DisplayEvents/WCRTZoomer.h

Public Member Functions

Private Member Functions

Additional Inherited Members

Detailed Description

Intended use:

Review Status

Etymology

Synopsis

Example

Motivation

To Do

Constructor & Destructor Documentation

Member Function Documentation