dioscuri.module.screen
Class Screen

java.lang.Object
  dioscuri.module.AbstractModule
      dioscuri.module.ModuleScreen
          dioscuri.module.screen.Screen

All Implemented Interfaces:

Module

public class Screen
extends ModuleScreen

An implementation of a hardware visual screen module.

See Also:

Metadata module ******************************************** general.type : screen general.name : Compatible CRT/LCD computer screen general.architecture : Von Neumann general.description : General implementation of a monitor. general.creator : Tessella Support Services, Koninklijke Bibliotheek, Nationaal Archief of the Netherlands general.version : 1.0 general.keywords : screen, monitor, CRT, TFT, LCD general.relations : video general.yearOfIntroduction : general.yearOfEnding : general.ancestor : general.successor : screen.resolutionRange : unlimited screen.colorDepth : 256

Nested Class Summary

Nested classes/interfaces inherited from interface dioscuri.interfaces.Module

Module.Type

Field Summary

protected static int	BLUE
protected java.awt.image.ColorModel	colourModel
protected java.awt.image.DataBuffer	dataBuffer
protected java.awt.image.BufferedImage[]	fontImages
protected java.awt.image.BufferedImage	graphicTile
protected static int	GREEN
protected java.awt.image.BufferedImage	image
protected int	imageType
protected byte[][]	palette
protected byte[]	pixels
protected java.awt.image.WritableRaster	raster
protected static int	RED
protected java.awt.image.SampleModel	sampleModel

Fields inherited from class dioscuri.module.AbstractModule

type

Constructor Summary

Screen(Emulator owner)
Class constructor

Method Summary

void	clearScreen() Clear screen from any output
java.lang.String	getDump() Return a dump of module status
javax.swing.JPanel	getScreen() Return a reference to the actual screen
int	getScreenColumns() Return the number of columns on screen (text based)
int	getScreenHeight() Return height of screen in number of pixels
int	getScreenRows() Return the number of rows on screen (text based)
int	getScreenWidth() Return width of screen in number of pixels
boolean	reset() Reset all parameters of module.
void	setByteInCodePage(int index, byte data) Set a byte in Code page The code page is the character encoding table
boolean	setPaletteColour(byte index, int red, int green, int blue) Set a particular colour in palette with RGB-values
void	setScreenSize(int width, int height) Set the screen size in number of pixels
void	updateCodePage(int start) Update the code page The code page is the character encoding table
void	updateGraphicsTile(byte[] tile, int x0, int y0) Update a tile on screen with given bytes Graphics mode.
void	updateScreenSize(int newWidth, int newHeight, int newFontWidth, int newFontHeight) Update screen size
void	updateText(int oldText, int newText, long cursorXPos, long cursorYPos, short[] textModeAttribs, int numberRows) Update text on screen at given position Text mode.

Methods inherited from class dioscuri.module.AbstractModule

getConnection, getConnections, getDebugMode, getExpectedConnections, getType, isConnected, setConnection, setDebugMode, start, stop

Methods inherited from class java.lang.Object

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

Field Detail

pixels

protected byte[] pixels

dataBuffer

protected java.awt.image.DataBuffer dataBuffer

sampleModel

protected java.awt.image.SampleModel sampleModel

raster

protected java.awt.image.WritableRaster raster

palette

protected byte[][] palette

colourModel

protected java.awt.image.ColorModel colourModel

image

protected java.awt.image.BufferedImage image

imageType

protected int imageType

fontImages

protected java.awt.image.BufferedImage[] fontImages

graphicTile

protected java.awt.image.BufferedImage graphicTile

RED

protected static final int RED

See Also:

Constant Field Values

GREEN

protected static final int GREEN

See Also:

Constant Field Values

BLUE

protected static final int BLUE

See Also:

Constant Field Values

Constructor Detail

Screen

public Screen(Emulator owner)

Class constructor

Parameters:

owner -

Method Detail

reset

public boolean reset()

Reset all parameters of module.

Specified by:

reset in interface Module

Specified by:

reset in class AbstractModule

Returns:

true iff the AbstractModule was reset properly.

See Also:

AbstractModule

getDump

public java.lang.String getDump()

Return a dump of module status

Provides a dummy implementation since many of the subclasses of this abstract module class do not need or use a getDump() implementation. The ones that do, can override this method.

Specified by:

getDump in interface Module

Overrides:

getDump in class AbstractModule

Returns:

string containing a dump of this module

See Also:

AbstractModule

getScreen

public javax.swing.JPanel getScreen()

Return a reference to the actual screen

Specified by:

getScreen in class ModuleScreen

Returns:

-

See Also:

ModuleScreen

getScreenRows

public int getScreenRows()

Return the number of rows on screen (text based)

Specified by:

getScreenRows in class ModuleScreen

Returns:

-

See Also:

ModuleScreen

getScreenColumns

public int getScreenColumns()

Return the number of columns on screen (text based)

Specified by:

getScreenColumns in class ModuleScreen

Returns:

-

See Also:

ModuleScreen

getScreenWidth

public int getScreenWidth()

Return width of screen in number of pixels

Specified by:

getScreenWidth in class ModuleScreen

Returns:

-

See Also:

ModuleScreen

getScreenHeight

public int getScreenHeight()

Return height of screen in number of pixels

Specified by:

getScreenHeight in class ModuleScreen

Returns:

-

See Also:

ModuleScreen

setScreenSize

public void setScreenSize(int width,
                          int height)

Set the screen size in number of pixels

Specified by:

setScreenSize in class ModuleScreen

See Also:

ModuleScreen

updateScreenSize

public void updateScreenSize(int newWidth,
                             int newHeight,
                             int newFontWidth,
                             int newFontHeight)

Update screen size

Specified by:

updateScreenSize in class ModuleScreen

See Also:

ModuleScreen

clearScreen

public void clearScreen()

Clear screen from any output

Specified by:

clearScreen in class ModuleScreen

See Also:

ModuleScreen

setPaletteColour

public boolean setPaletteColour(byte index,
                                int red,
                                int green,
                                int blue)

Set a particular colour in palette with RGB-values

Specified by:

setPaletteColour in class ModuleScreen

Returns:

-

See Also:

ModuleScreen

setByteInCodePage

public void setByteInCodePage(int index,
                              byte data)

Set a byte in Code page The code page is the character encoding table

Specified by:

setByteInCodePage in class ModuleScreen

See Also:

ModuleScreen

updateCodePage

public void updateCodePage(int start)

Update the code page The code page is the character encoding table

Specified by:

updateCodePage in class ModuleScreen

See Also:

ModuleScreen

updateText

public void updateText(int oldText,
                       int newText,
                       long cursorXPos,
                       long cursorYPos,
                       short[] textModeAttribs,
                       int numberRows)

Update text on screen at given position Text mode. Selected text will replace existing text at given position

Specified by:

updateText in class ModuleScreen

See Also:

ModuleScreen

updateGraphicsTile

public void updateGraphicsTile(byte[] tile,
                               int x0,
                               int y0)

Update a tile on screen with given bytes Graphics mode. A tile is a part of the screenbuffer

Specified by:

updateGraphicsTile in class ModuleScreen

See Also:

ModuleScreen