lejos.remote.ev3

Class RemoteRequestTextLCD

java.lang.Object

lejos.remote.ev3.RemoteRequestTextLCD

All Implemented Interfaces:

CommonLCD, TextLCD

public class RemoteRequestTextLCD
extends java.lang.Object
implements TextLCD

Field Summary

Fields inherited from interface lejos.hardware.lcd.CommonLCD

ROP_AND, ROP_ANDINVERTED, ROP_ANDREVERSE, ROP_CLEAR, ROP_COPY, ROP_COPYINVERTED, ROP_EQUIV, ROP_INVERT, ROP_NAND, ROP_NOOP, ROP_NOR, ROP_OR, ROP_ORINVERTED, ROP_ORREVERSE, ROP_SET, ROP_XOR

Constructor Summary

Constructors

Constructor and Description
RemoteRequestTextLCD(java.io.ObjectInputStream is, java.io.ObjectOutputStream os)
RemoteRequestTextLCD(java.io.ObjectInputStream is, java.io.ObjectOutputStream os, Font font)

Method Summary

Modifier and Type	Method and Description
void	bitBlt(byte[] src, int sw, int sh, int sx, int sy, byte[] dst, int dw, int dh, int dx, int dy, int w, int h, int rop) Standard two input BitBlt function.
void	bitBlt(byte[] src, int sw, int sh, int sx, int sy, int dx, int dy, int w, int h, int rop) Standard two input BitBlt function with the LCD display as the destination.
void	clear() Clear the display.
void	clear(int y) Clear an LCD display row
void	clear(int x, int y, int n) Clear a contiguous set of characters
void	drawChar(char c, int x, int y) Draw a single char on the LCD at specified x,y co-ordinate.
void	drawInt(int i, int x, int y) Display an int on the LCD at specified x,y co-ordinate.
void	drawInt(int i, int places, int x, int y) Display an in on the LCD at x,y with leading spaces to occupy at least the number of characters specified by the places parameter.
void	drawString(java.lang.String str, int x, int y) Display a string on the LCD at specified x,y co-ordinate.
void	drawString(java.lang.String str, int x, int y, boolean inverted) Display an optionally inverted string on the LCD at specified x,y co-ordinate.
byte[]	getDisplay() Provide access to the LCD display frame buffer.
Font	getFont() Get the current font
int	getHeight() Return the height of the associated drawing surface.
byte[]	getHWDisplay() Get access to hardware LCD display.
int	getTextHeight() Get the height of the screen in characters
int	getTextWidth() Get the width of the screen in characters
int	getWidth() Return the width of the associated drawing surface.
void	refresh() Refresh the display.
void	scroll() Scrolls the screen up one text line
void	setAutoRefresh(boolean on) Turn on/off the automatic refresh of the LCD display.
int	setAutoRefreshPeriod(int period) Set the period used to perform automatic refreshing of the display.
void	setContrast(int contrast) Set the LCD contrast.

Methods inherited from class java.lang.Object

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

Constructor Detail

RemoteRequestTextLCD

public RemoteRequestTextLCD(java.io.ObjectInputStream is,
                            java.io.ObjectOutputStream os)

RemoteRequestTextLCD

public RemoteRequestTextLCD(java.io.ObjectInputStream is,
                            java.io.ObjectOutputStream os,
                            Font font)

Method Detail

refresh

public void refresh()

Description copied from interface: CommonLCD

Refresh the display. If auto refresh is off, this method will wait until the display refresh has completed. If auto refresh is on it will return immediately.

Specified by:

refresh in interface CommonLCD

clear

public void clear()

Description copied from interface: CommonLCD

Clear the display.

Specified by:

clear in interface CommonLCD

getWidth

public int getWidth()

Description copied from interface: CommonLCD

Return the width of the associated drawing surface.
Note: This is a non standard method.

Specified by:

getWidth in interface CommonLCD

Returns:

width of the surface

getHeight

public int getHeight()

Description copied from interface: CommonLCD

Return the height of the associated drawing surface.
Note: This is a non standard method.

Specified by:

getHeight in interface CommonLCD

Returns:

height of the surface.

getDisplay

public byte[] getDisplay()

Description copied from interface: CommonLCD

Provide access to the LCD display frame buffer.

Specified by:

getDisplay in interface CommonLCD

Returns:

byte array that is the frame buffer.

getHWDisplay

public byte[] getHWDisplay()

Description copied from interface: CommonLCD

Get access to hardware LCD display.

Specified by:

getHWDisplay in interface CommonLCD

Returns:

byte array that is the frame buffer

setContrast

public void setContrast(int contrast)

Description copied from interface: CommonLCD

Set the LCD contrast.

Specified by:

setContrast in interface CommonLCD

Parameters:

contrast - 0 blank 0x60 full on

bitBlt

public void bitBlt(byte[] src,
                   int sw,
                   int sh,
                   int sx,
                   int sy,
                   int dx,
                   int dy,
                   int w,
                   int h,
                   int rop)

Description copied from interface: CommonLCD

Standard two input BitBlt function with the LCD display as the destination. Supports standard raster ops and overlapping images. Images are held in native leJOS/Lego format.

Specified by:

bitBlt in interface CommonLCD

Parameters:

src - byte array containing the source image

sw - Width of the source image

sh - Height of the source image

sx - X position to start the copy from

sy - Y Position to start the copy from

dx - X destination

dy - Y destination

w - width of the area to copy

h - height of the area to copy

rop - raster operation.

bitBlt

public void bitBlt(byte[] src,
                   int sw,
                   int sh,
                   int sx,
                   int sy,
                   byte[] dst,
                   int dw,
                   int dh,
                   int dx,
                   int dy,
                   int w,
                   int h,
                   int rop)

Description copied from interface: CommonLCD

Standard two input BitBlt function. Supports standard raster ops and overlapping images. Images are held in native leJOS/Lego format.

Specified by:

bitBlt in interface CommonLCD

Parameters:

src - byte array containing the source image

sw - Width of the source image

sh - Height of the source image

sx - X position to start the copy from

sy - Y Position to start the copy from

dst - byte array containing the destination image

dw - Width of the destination image

dh - Height of the destination image

dx - X destination

dy - Y destination

w - width of the area to copy

h - height of the area to copy

rop - raster operation.

setAutoRefresh

public void setAutoRefresh(boolean on)

Description copied from interface: CommonLCD

Turn on/off the automatic refresh of the LCD display. At system startup auto refresh is on.

Specified by:

setAutoRefresh in interface CommonLCD

Parameters:

on - true to enable, false to disable

setAutoRefreshPeriod

public int setAutoRefreshPeriod(int period)

Description copied from interface: CommonLCD

Set the period used to perform automatic refreshing of the display. A period of 0 disables the refresh.

Specified by:

setAutoRefreshPeriod in interface CommonLCD

Parameters:

period - time in ms

Returns:

the previous refresh period.

drawChar

public void drawChar(char c,
                     int x,
                     int y)

Description copied from interface: TextLCD

Draw a single char on the LCD at specified x,y co-ordinate.

Specified by:

drawChar in interface TextLCD

Parameters:

c - Character to display

x - X location

y - Y location

drawString

public void drawString(java.lang.String str,
                       int x,
                       int y,
                       boolean inverted)

Description copied from interface: TextLCD

Display an optionally inverted string on the LCD at specified x,y co-ordinate.

Specified by:

drawString in interface TextLCD

Parameters:

str - The string to be displayed

x - The x character co-ordinate to display at.

y - The y character co-ordinate to display at.

inverted - if true the string is displayed inverted.

drawString

public void drawString(java.lang.String str,
                       int x,
                       int y)

Description copied from interface: TextLCD

Display a string on the LCD at specified x,y co-ordinate.

Specified by:

drawString in interface TextLCD

Parameters:

str - The string to be displayed

x - The x character co-ordinate to display at.

y - The y character co-ordinate to display at.

drawInt

public void drawInt(int i,
                    int x,
                    int y)

Description copied from interface: TextLCD

Display an int on the LCD at specified x,y co-ordinate.

Specified by:

drawInt in interface TextLCD

Parameters:

i - The value to display.

x - The x character co-ordinate to display at.

y - The y character co-ordinate to display at.

drawInt

public void drawInt(int i,
                    int places,
                    int x,
                    int y)

Description copied from interface: TextLCD

Display an in on the LCD at x,y with leading spaces to occupy at least the number of characters specified by the places parameter.

Specified by:

drawInt in interface TextLCD

Parameters:

i - The value to display

places - number of places to use to display the value

x - The x character co-ordinate to display at.

y - The y character co-ordinate to display at.

clear

public void clear(int x,
                  int y,
                  int n)

Description copied from interface: TextLCD

Clear a contiguous set of characters

Specified by:

clear in interface TextLCD

Parameters:

x - the x character coordinate

y - the y character coordinate

n - the number of characters

clear

public void clear(int y)

Description copied from interface: TextLCD

Clear an LCD display row

Specified by:

clear in interface TextLCD

Parameters:

y - the row to clear

scroll

public void scroll()

Description copied from interface: TextLCD

Scrolls the screen up one text line

Specified by:

scroll in interface TextLCD

getFont

public Font getFont()

Description copied from interface: TextLCD

Get the current font

Specified by:

getFont in interface TextLCD

getTextWidth

public int getTextWidth()

Description copied from interface: TextLCD

Get the width of the screen in characters

Specified by:

getTextWidth in interface TextLCD

getTextHeight

public int getTextHeight()

Description copied from interface: TextLCD

Get the height of the screen in characters

Specified by:

getTextHeight in interface TextLCD