org.cresques.ui.cmd
Class CmdZoom

java.lang.Object
  org.cresques.ui.cmd.Cmd
      org.cresques.ui.cmd.CmdZoom

public class CmdZoom

extends Cmd

Comando zoom. Añade al canvas la capacidad de aumentar y disminuir la vista.

Author:

"Luis W. Sevilla"

Field Summary

double	aumenta
double	reduce

Fields inherited from class org.cresques.ui.cmd.Cmd

cursor, DRAG, LEFT, MIDDLE, PRESS, RELEASE, RIGHT, type

Constructor Summary

CmdZoom(CQMapCanvas canvas)
Construye un nuevo CmdZoom para el Canvas

Method Summary

void	cmd(java.awt.geom.Point2D pt, int bt, int mouseEvent) Recibe los eventos del ratón.
void	zoomBox(Extent box) Realiza un zoom que abarque el Extent;
void	zoomMas(java.awt.geom.Point2D pt) Realiza un zoom de aumento, centrado en el Point2D;
void	zoomMenos(java.awt.geom.Point2D pt) Realiza un zoom de disminución, centrado en el Point2D;

Methods inherited from class org.cresques.ui.cmd.Cmd

get, getCursor, getEventsWanted, register

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

aumenta

public double aumenta

reduce

public double reduce

Constructor Detail

CmdZoom

public CmdZoom(CQMapCanvas canvas)

Construye un nuevo CmdZoom para el Canvas

Parameters:

canvas -

Method Detail

cmd

public void cmd(java.awt.geom.Point2D pt,
                int bt,
                int mouseEvent)

Recibe los eventos del ratón.

Specified by:

cmd in class Cmd

zoomMas

public void zoomMas(java.awt.geom.Point2D pt)

Realiza un zoom de aumento, centrado en el Point2D;

Parameters:

pt -

zoomMenos

public void zoomMenos(java.awt.geom.Point2D pt)

Realiza un zoom de disminución, centrado en el Point2D;

Parameters:

pt -

zoomBox

public void zoomBox(Extent box)

Realiza un zoom que abarque el Extent;

Parameters:

box -