com.hardcode.gdbms.engine.spatial
Class ViewPort

java.lang.Object
  com.hardcode.gdbms.engine.spatial.ViewPort

public class ViewPort
extends java.lang.Object

Defines a visualization of a spatial area

Constructor Summary

ViewPort(int width, int height, java.awt.Graphics2D g)
Creates a new DefaultViewPort object.

Method Summary

java.awt.geom.Rectangle2D	getAdjustedExtent() Gets the extent adjusted to the width and heigth of the image
java.awt.geom.Rectangle2D	getExtent() Gets the area of data to be drawn
java.awt.Graphics2D	getGraphics()
int	getHeight()
java.awt.geom.AffineTransform	getTransformationMatrix() matrix used to 'bring' the geometries to the image rectangle
int	getWidth()
void	setExtent(java.awt.geom.Rectangle2D extent) Sets the area of the data to be drawn
void	setHeight(int h)
void	setWidth(int w)

Methods inherited from class java.lang.Object

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

Constructor Detail

ViewPort

public ViewPort(int width,
                int height,
                java.awt.Graphics2D g)

Creates a new DefaultViewPort object.

Parameters:

width - width of the image to be obtained

height - heigth of the image to be obtained

g - Graphics where to draw

Method Detail

getAdjustedExtent

public java.awt.geom.Rectangle2D getAdjustedExtent()

Gets the extent adjusted to the width and heigth of the image

Returns:

Rectangle2D

getExtent

public java.awt.geom.Rectangle2D getExtent()

Gets the area of data to be drawn

Returns:

Rectangle2D

setExtent

public void setExtent(java.awt.geom.Rectangle2D extent)

Sets the area of the data to be drawn

Parameters:

extent - Rectangle2D

getWidth

public int getWidth()

getHeight

public int getHeight()

getGraphics

public java.awt.Graphics2D getGraphics()

setHeight

public void setHeight(int h)

setWidth

public void setWidth(int w)

getTransformationMatrix

public java.awt.geom.AffineTransform getTransformationMatrix()

matrix used to 'bring' the geometries to the image rectangle

Returns:

AffineTransform