Package lejos.hardware.lcd

Interface TextLCD

All Superinterfaces:

CommonLCD

All Known Implementing Classes:

RemoteRequestTextLCD, RemoteTextLCD

public interface TextLCD
extends CommonLCD

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

Method Summary

Modifier and Type	Method	Description
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.
Font	getFont()	Get the current font
int	getTextHeight()	Get the height of the screen in characters
int	getTextWidth()	Get the width of the screen in characters
void	scroll()	Scrolls the screen up one text line

Methods inherited from interface lejos.hardware.lcd.CommonLCD

bitBlt, bitBlt, clear, getDisplay, getHeight, getHWDisplay, getWidth, refresh, setAutoRefresh, setAutoRefreshPeriod, setContrast

Method Detail

drawChar

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

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

Parameters:

c - Character to display

x - X location

y - Y location

drawString

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.

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

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

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

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

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

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

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

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.

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

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

Clear a contiguous set of characters

Parameters:

x - the x character coordinate

y - the y character coordinate

n - the number of characters

clear

void clear(int y)

Clear an LCD display row

Parameters:

y - the row to clear

scroll

void scroll()

Scrolls the screen up one text line

getFont

Font getFont()

Get the current font

getTextWidth

int getTextWidth()

Get the width of the screen in characters

getTextHeight

int getTextHeight()

Get the height of the screen in characters