uchicago.src.sim.gui
Class LocalPainter

java.lang.Object
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  +--uchicago.src.sim.gui.Painter
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        +--uchicago.src.sim.gui.LocalPainter

public class LocalPainter

extends Painter

Used by DisplaySurface to do the actual painting of displayables. A typical user should never use this class directly.

Field Summary

protected boolean	eraseBox
protected boolean	firstDraw
protected BufferedImage	origImage
protected int	prevHeight
protected int	prevWidth
protected int	prevX
protected int	prevY

Fields inherited from class uchicago.src.sim.gui.Painter

bgColor, buffImage, displayables, g2, height, origHeight, origWidth, simGraphics, surface, toolkit, width

Constructor Summary

LocalPainter()
Creates a LocalPainter.

LocalPainter(DisplaySurface s, int w, int h)
Creates a LocalPainter using the specified displaySurface, and with the specified width and height.

Method Summary

void	drawRect(Graphics g, int x, int y, int rectWidth, int rectHeight)
void	eraseRect(Graphics g)
void	paint(Graphics g) Paints all the displayables on the screen in the order they were added to the display surface
void	takeSnapshot(DataOutputStream os) Takes a snapshot of the current screen image and writes it to the specified output stream

Methods inherited from class uchicago.src.sim.gui.Painter

addDisplayable, createBufferedImage, createGraphics2D, dispose, finalize, getCurrentImage, getGraphics, init, paintBackground, removeDisplayable, reSize, setBackgroundColor

Methods inherited from class java.lang.Object

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

Field Detail

firstDraw

protected boolean firstDraw

origImage

protected BufferedImage origImage

prevX

protected int prevX

prevY

protected int prevY

prevWidth

protected int prevWidth

prevHeight

protected int prevHeight

eraseBox

protected boolean eraseBox

Constructor Detail

LocalPainter

public LocalPainter()

Creates a LocalPainter. Before this LocalPainter can be used its init method must be called. This will done automatically by the DisplaySurface if this LocalPainter is an argument to a DisplaySurface's constructor.

LocalPainter

public LocalPainter(DisplaySurface s,
                    int w,
                    int h)

Creates a LocalPainter using the specified displaySurface, and with the specified width and height.

Parameters:

s - the displaySurface associated with this LocalPainter

w - the width of the painter

h - the height of the painter

Method Detail

eraseRect

public void eraseRect(Graphics g)

Specified by:

eraseRect in class Painter

drawRect

public void drawRect(Graphics g,
                     int x,
                     int y,
                     int rectWidth,
                     int rectHeight)

Specified by:

drawRect in class Painter

paint

public void paint(Graphics g)

Paints all the displayables on the screen in the order they were added to the display surface

Specified by:

paint in class Painter

takeSnapshot

public void takeSnapshot(DataOutputStream os)

Takes a snapshot of the current screen image and writes it to the specified output stream

Specified by:

takeSnapshot in class Painter

Parameters:

os - the OutputStream to write the snapshot to