com.vividsolutions.jump.workbench.ui

Class Viewport

java.lang.Object

com.vividsolutions.jump.workbench.ui.Viewport

All Implemented Interfaces:

Java2DConverter.PointConverter

public class Viewport
extends java.lang.Object
implements Java2DConverter.PointConverter

Controls the area on the model being viewed by a LayerViewPanel.

Constructor Summary

Constructors

Constructor and Description
Viewport(LayerViewPanel panel)

Method Summary

Methods

Modifier and Type	Method and Description
void	addListener(ViewportListener l)
com.vividsolutions.jts.geom.Envelope	fullExtent()
com.vividsolutions.jts.geom.Envelope	getEnvelopeInModelCoordinates()
Java2DConverter	getJava2DConverter()
java.awt.geom.AffineTransform	getModelToViewTransform()
java.awt.geom.Point2D	getOriginInModelCoordinates()
LayerViewPanel	getPanel()
double	getScale()
ZoomHistory	getZoomHistory()
void	initialize(double newScale, java.awt.geom.Point2D newViewOriginAsPerceivedByModel) Set both values but repaint once.
static java.awt.geom.AffineTransform	modelToViewTransform(double scale, java.awt.geom.Point2D viewOriginAsPerceivedByModel, double panelHeight)
void	removeListener(ViewportListener l)
void	setJava2DConverter(Java2DConverter converter)
com.vividsolutions.jts.geom.Coordinate	toModelCoordinate(java.awt.geom.Point2D viewPoint)
com.vividsolutions.jts.geom.Envelope	toModelEnvelope(double x1, double x2, double y1, double y2)
java.awt.geom.Point2D	toModelPoint(java.awt.geom.Point2D viewPoint)
java.awt.geom.Point2D	toViewPoint(com.vividsolutions.jts.geom.Coordinate modelCoordinate)
java.awt.geom.Point2D	toViewPoint(java.awt.geom.Point2D modelPoint)
java.util.Collection	toViewPoints(java.util.Collection modelCoordinates)
java.awt.geom.Rectangle2D	toViewRectangle(com.vividsolutions.jts.geom.Envelope envelope)
void	update()
void	zoom(com.vividsolutions.jts.geom.Envelope modelEnvelope)
void	zoom(java.awt.geom.Point2D centreOfNewViewAsPerceivedByOldView, double widthOfNewViewAsPerceivedByOldView, double heightOfNewViewAsPerceivedByOldView) Of widthOfNewViewAsPerceivedByOldView and heightOfNewViewAsPerceivedByOldView, this method will choose the one producing the least zoom.
void	zoomToFullExtent()
void	zoomToViewPoint(java.awt.geom.Point2D centreOfNewViewAsPerceivedByOldView, double zoomFactor)

Methods inherited from class java.lang.Object

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

Constructor Detail

Viewport

public Viewport(LayerViewPanel panel)

Method Detail

getPanel

public LayerViewPanel getPanel()

addListener

public void addListener(ViewportListener l)

removeListener

public void removeListener(ViewportListener l)

getJava2DConverter

public Java2DConverter getJava2DConverter()

setJava2DConverter

public void setJava2DConverter(Java2DConverter converter)

getZoomHistory

public ZoomHistory getZoomHistory()

update

public void update()
            throws java.awt.geom.NoninvertibleTransformException

Throws:

java.awt.geom.NoninvertibleTransformException

modelToViewTransform

public static java.awt.geom.AffineTransform modelToViewTransform(double scale,
                                                 java.awt.geom.Point2D viewOriginAsPerceivedByModel,
                                                 double panelHeight)

getScale

public double getScale()

Specified by:

getScale in interface Java2DConverter.PointConverter

initialize

public void initialize(double newScale,
              java.awt.geom.Point2D newViewOriginAsPerceivedByModel)

Set both values but repaint once.

getOriginInModelCoordinates

public java.awt.geom.Point2D getOriginInModelCoordinates()

zoom

public void zoom(java.awt.geom.Point2D centreOfNewViewAsPerceivedByOldView,
        double widthOfNewViewAsPerceivedByOldView,
        double heightOfNewViewAsPerceivedByOldView)
          throws java.awt.geom.NoninvertibleTransformException

Of widthOfNewViewAsPerceivedByOldView and heightOfNewViewAsPerceivedByOldView, this method will choose the one producing the least zoom.

Throws:

java.awt.geom.NoninvertibleTransformException

toModelPoint

public java.awt.geom.Point2D toModelPoint(java.awt.geom.Point2D viewPoint)
                                   throws java.awt.geom.NoninvertibleTransformException

Throws:

java.awt.geom.NoninvertibleTransformException

toModelCoordinate

public com.vividsolutions.jts.geom.Coordinate toModelCoordinate(java.awt.geom.Point2D viewPoint)
                                                         throws java.awt.geom.NoninvertibleTransformException

Throws:

java.awt.geom.NoninvertibleTransformException

toViewPoint

public java.awt.geom.Point2D toViewPoint(java.awt.geom.Point2D modelPoint)
                                  throws java.awt.geom.NoninvertibleTransformException

Throws:

java.awt.geom.NoninvertibleTransformException

toViewPoint

public java.awt.geom.Point2D toViewPoint(com.vividsolutions.jts.geom.Coordinate modelCoordinate)
                                  throws java.awt.geom.NoninvertibleTransformException

Specified by:

toViewPoint in interface Java2DConverter.PointConverter

Throws:

java.awt.geom.NoninvertibleTransformException

toModelEnvelope

public com.vividsolutions.jts.geom.Envelope toModelEnvelope(double x1,
                                                   double x2,
                                                   double y1,
                                                   double y2)
                                                     throws java.awt.geom.NoninvertibleTransformException

Throws:

java.awt.geom.NoninvertibleTransformException

getModelToViewTransform

public java.awt.geom.AffineTransform getModelToViewTransform()
                                                      throws java.awt.geom.NoninvertibleTransformException

Throws:

java.awt.geom.NoninvertibleTransformException

getEnvelopeInModelCoordinates

public com.vividsolutions.jts.geom.Envelope getEnvelopeInModelCoordinates()

Specified by:

getEnvelopeInModelCoordinates in interface Java2DConverter.PointConverter

zoom

public void zoom(com.vividsolutions.jts.geom.Envelope modelEnvelope)
          throws java.awt.geom.NoninvertibleTransformException

Throws:

java.awt.geom.NoninvertibleTransformException

zoomToFullExtent

public void zoomToFullExtent()
                      throws java.awt.geom.NoninvertibleTransformException

Throws:

java.awt.geom.NoninvertibleTransformException

fullExtent

public com.vividsolutions.jts.geom.Envelope fullExtent()

zoomToViewPoint

public void zoomToViewPoint(java.awt.geom.Point2D centreOfNewViewAsPerceivedByOldView,
                   double zoomFactor)
                     throws java.awt.geom.NoninvertibleTransformException

Throws:

java.awt.geom.NoninvertibleTransformException

toViewPoints

public java.util.Collection toViewPoints(java.util.Collection modelCoordinates)
                                  throws java.awt.geom.NoninvertibleTransformException

Throws:

java.awt.geom.NoninvertibleTransformException

toViewRectangle

public java.awt.geom.Rectangle2D toViewRectangle(com.vividsolutions.jts.geom.Envelope envelope)
                                          throws java.awt.geom.NoninvertibleTransformException

Throws:

java.awt.geom.NoninvertibleTransformException