endrov.windowLineage
Class HierarchicalPainter.Camera

java.lang.Object
  endrov.windowLineage.HierarchicalPainter.Camera

Enclosing class:

HierarchicalPainter

public static class HierarchicalPainter.Camera
extends java.lang.Object

Location of camera and current zoom

Field Summary

double	cameraX
double	cameraY
double	zoomX
double	zoomY

Constructor Summary

HierarchicalPainter.Camera()

Method Summary

void	panCorrespondenceX(double screenX, double worldX) Make screen coordinate correspond to world coordinate by moving camera
void	panCorrespondenceY(double screenY, double worldY) Make screen coordinate correspond to world coordinate by moving camera
double	scaleScreenDistX(double x) How much to add to screenX given distance in screen space
double	scaleScreenDistY(double y)
double	scaleWorldDistX(double x) How much to add to screenX given distance in world space
double	scaleWorldDistY(double y)
void	showArea(HierarchicalPainter.BoundingBox bb, int width, int height) Set camera so that it covers given area
int	toScreenX(double x)
int	toScreenY(double y)
java.lang.String	toString()
double	toWorldX(double x)
double	toWorldY(double y)

Methods inherited from class java.lang.Object

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

Field Detail

cameraX

public double cameraX

cameraY

public double cameraY

zoomX

public double zoomX

zoomY

public double zoomY

Constructor Detail

HierarchicalPainter.Camera

public HierarchicalPainter.Camera()

Method Detail

toScreenX

public int toScreenX(double x)

toScreenY

public int toScreenY(double y)

toWorldX

public double toWorldX(double x)

toWorldY

public double toWorldY(double y)

scaleScreenDistX

public double scaleScreenDistX(double x)

How much to add to screenX given distance in screen space

scaleScreenDistY

public double scaleScreenDistY(double y)

scaleWorldDistX

public double scaleWorldDistX(double x)

How much to add to screenX given distance in world space

scaleWorldDistY

public double scaleWorldDistY(double y)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

showArea

public void showArea(HierarchicalPainter.BoundingBox bb,
                     int width,
                     int height)

Set camera so that it covers given area

panCorrespondenceX

public void panCorrespondenceX(double screenX,
                               double worldX)

Make screen coordinate correspond to world coordinate by moving camera

panCorrespondenceY

public void panCorrespondenceY(double screenY,
                               double worldY)

Make screen coordinate correspond to world coordinate by moving camera