rle.core.ui
Class CameraBase

java.lang.Object
  rle.core.vm.PlugInBase
      rle.core.ui.CameraBase

All Implemented Interfaces:

Camera, CameraModelListener, PlugIn

Direct Known Subclasses:

TextCamera

public abstract class CameraBase
extends PlugInBase
implements Camera

Base class for Cameras.

Nested Class Summary

protected class

CameraBase.CameraImpl

Field Summary

protected javax.swing.JComponent	component
protected java.awt.image.BufferedImage	img
protected CameraModel	model
protected boolean[][]	updateFlags
protected boolean	updateNeeded
protected Thing[][]	visible

Fields inherited from class rle.core.vm.PlugInBase

config, context, parameters

Constructor Summary

CameraBase()

Method Summary

void	boardChange(ChangeEvent event) Respond to a change in underlying Board.
protected javax.swing.JComponent	createComponent() create the initial component
void	flush() Copy the back buffer to the screen.
javax.swing.JComponent	getComponent()
CameraModel	getModel()
protected void	initializeImage()
protected void	paintHighlight(java.awt.Graphics g) Paint the highlighter to a graphics.
void	regionChange(ChangeEvent event) Respond to a change in Board region coverage.
abstract void	renderBackBuffer() Render the entire view to the offscreen buffer.
abstract void	renderSprite(Thing t, double x, double y) Draw t above the current image immediately.
abstract void	restoreBackBuffer(double x, double y, double w, double h) Copy the contents of the back buffer to the screen.
void	setModel(CameraModel model)
void	update()
abstract void	update(int x, int y, int width, int height) Clear then draw the specified region.
void	update(Locator l) Flag a region for update.
protected abstract Thing	visibleThing(RLPoint p)
void	visualChange(Thing t) Respond to an indication that the appearance of a Thing has changed.

Methods inherited from class rle.core.vm.PlugInBase

config, getContext, getParameters, paramMap, setConfig, setParameters

Methods inherited from class java.lang.Object

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

Methods inherited from interface rle.core.vm.PlugIn

config, getContext, paramMap, setConfig, setParameters

Field Detail

component

protected javax.swing.JComponent component

model

protected CameraModel model

img

protected java.awt.image.BufferedImage img

visible

protected Thing[][] visible

updateNeeded

protected boolean updateNeeded

updateFlags

protected boolean[][] updateFlags

Constructor Detail

CameraBase

public CameraBase()

Method Detail

createComponent

protected javax.swing.JComponent createComponent()

create the initial component

update

public abstract void update(int x,
                            int y,
                            int width,
                            int height)

Clear then draw the specified region.

Specified by:

update in interface Camera

renderBackBuffer

public abstract void renderBackBuffer()

Render the entire view to the offscreen buffer.

Specified by:

renderBackBuffer in interface Camera

update

public void update(Locator l)

Flag a region for update.

Specified by:

update in interface Camera

update

public void update()

getModel

public CameraModel getModel()

Specified by:

getModel in interface Camera

setModel

public void setModel(CameraModel model)

Specified by:

setModel in interface Camera

paintHighlight

protected void paintHighlight(java.awt.Graphics g)

Paint the highlighter to a graphics.

getComponent

public javax.swing.JComponent getComponent()

Specified by:

getComponent in interface Camera

renderSprite

public abstract void renderSprite(Thing t,
                                  double x,
                                  double y)

Draw t above the current image immediately.

Specified by:

renderSprite in interface Camera

restoreBackBuffer

public abstract void restoreBackBuffer(double x,
                                       double y,
                                       double w,
                                       double h)

Copy the contents of the back buffer to the screen. This method is useful for erasing sprites.

Specified by:

restoreBackBuffer in interface Camera

flush

public void flush()

Copy the back buffer to the screen.

Specified by:

flush in interface Camera

visibleThing

protected abstract Thing visibleThing(RLPoint p)

initializeImage

protected void initializeImage()

regionChange

public void regionChange(ChangeEvent event)

Respond to a change in Board region coverage.

Specified by:

regionChange in interface CameraModelListener

boardChange

public void boardChange(ChangeEvent event)

Respond to a change in underlying Board.

Specified by:

boardChange in interface CameraModelListener

visualChange

public void visualChange(Thing t)

Respond to an indication that the appearance of a Thing has changed.

Specified by:

visualChange in interface CameraModelListener