RemoteRequestGraphicsLCD (leJOS EV3 API documentation)

java.lang.Object
- lejos.remote.ev3.RemoteRequestGraphicsLCD

All Implemented Interfaces:: CommonLCD, GraphicsLCD

public class RemoteRequestGraphicsLCD
extends java.lang.Object
implements GraphicsLCD

Field Summary
- Fields inherited from interface lejos.hardware.lcd.GraphicsLCD
  BASELINE, BLACK, BOTTOM, DOTTED, HCENTER, LEFT, RIGHT, SOLID, TOP, TRANS_MIRROR, TRANS_MIRROR_ROT180, TRANS_MIRROR_ROT270, TRANS_MIRROR_ROT90, TRANS_NONE, TRANS_ROT180, TRANS_ROT270, TRANS_ROT90, VCENTER, WHITE
- 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

RemoteRequestGraphicsLCD(java.io.ObjectInputStream is, java.io.ObjectOutputStream os)

Constructors
Constructor and Description
`RemoteRequestGraphicsLCD(java.io.ObjectInputStream is, java.io.ObjectOutputStream os)`

Method Summary

All Methods Instance Methods Concrete Methods
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`	`copyArea(int sx, int sy, int w, int h, int x, int y, int anchor)` Copy one rectangular area of the drawing surface to another.
`void`	`drawArc(int x, int y, int width, int height, int startAngle, int arcAngle)` Draw an arc, using the current color and style.
`void`	`drawChar(char character, int x, int y, int anchor)` Draw a single character to the graphics surface using the current color.
`void`	`drawChars(char[] data, int offset, int length, int x, int y, int anchor)` Draw a series of characters to the graphics surface using the current color.
`void`	`drawImage(Image src, int x, int y, int anchor)` Draw the specified image to the graphics surface, using the supplied rop.
`void`	`drawLine(int x0, int y0, int x1, int y1)` Draw a line between the specified points, using the current color and style.
`void`	`drawRect(int x, int y, int width, int height)` Draw a rectangle using the current color and style.
`void`	`drawRegion(Image src, int sx, int sy, int w, int h, int transform, int x, int y, int anchor)` Draw the specified region of the supplied image to the graphics surface.
`void`	`drawRegionRop(Image src, int sx, int sy, int w, int h, int x, int y, int anchor, int rop)` Draw the specified image to the graphics surface, using the supplied rop.
`void`	`drawRegionRop(Image src, int sx, int sy, int w, int h, int transform, int x, int y, int anchor, int rop)` Draw the specified region of the source image to the graphics surface after applying the requested transformation, use the supplied rop.
`void`	`drawRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight)` Draw a rounded rectangle.
`void`	`drawString(java.lang.String str, int x, int y, int anchor)` Draws the specified String using the current font and color.
`void`	`drawString(java.lang.String str, int x, int y, int anchor, boolean inverted)` Draws the specified String using the current font and color.
`void`	`drawSubstring(java.lang.String str, int offset, int len, int x, int y, int anchor)` Draw a substring to the graphics surface using the current color.
`void`	`fillArc(int x, int y, int width, int height, int startAngle, int arcAngle)` Draw a filled arc, using the current color.
`void`	`fillRect(int x, int y, int w, int h)` Draw a filled rectangle using the current color.
`byte[]`	`getDisplay()` Provide access to the LCD display frame buffer.
`Font`	`getFont()` Return the currently selected font object.
`int`	`getHeight()` Return the height of the associated drawing surface.
`byte[]`	`getHWDisplay()` Get access to hardware LCD display.
`int`	`getPixel(int x, int y)` Method to get a pixel from the screen.
`int`	`getStrokeStyle()` Return the current stroke style.
`int`	`getTranslateX()` Gets the X coordinate of the translated origin of this graphics context.
`int`	`getTranslateY()` Gets the Y coordinate of the translated origin of this graphics context.
`int`	`getWidth()` Return the width of the associated drawing surface.
`void`	`refresh()` Refresh the display.
`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`	`setColor(int rgb)` Set the current drawing color.
`void`	`setColor(int red, int green, int blue)` Sets the current color to the specified RGB values.
`void`	`setContrast(int contrast)` Set the LCD contrast.
`void`	`setFont(Font f)` Set the current font
`void`	`setPixel(int x, int y, int color)` Method to set a pixel on the screen.
`void`	`setStrokeStyle(int style)` Set the stroke style to be used for drawing operations.
`void`	`translate(int x, int y)` Translates the origin of the graphics context to the point (x, y) in the current coordinate system.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - RemoteRequestGraphicsLCD
```
public RemoteRequestGraphicsLCD(java.io.ObjectInputStream is,
                                java.io.ObjectOutputStream os)
```
- 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.
  - setPixel
```
public void setPixel(int x,
                     int y,
                     int color)
```
    Description copied from interface: GraphicsLCD
    
    Method to set a pixel on the screen.
    
    Specified by:
    
    setPixel in interface GraphicsLCD
    
    Parameters:
    
    x - the x coordinate
    
    y - the y coordinate
    
    color - the pixel color (0 = white, 1 = black)
  - getPixel
```
public int getPixel(int x,
                    int y)
```
    Description copied from interface: GraphicsLCD
    
    Method to get a pixel from the screen.
    
    Specified by:
    
    getPixel in interface GraphicsLCD
    
    Parameters:
    
    x - the x coordinate
    
    y - the y coordinate
    
    Returns:
    
    the pixel color (0 = white, 1 = black)
  - drawString
```
public void drawString(java.lang.String str,
                       int x,
                       int y,
                       int anchor,
                       boolean inverted)
```
    Description copied from interface: GraphicsLCD
    
    Draws the specified String using the current font and color. x and y give the location of the anchor point. Additional method to allow for the easy use of inverted text. In this case the area below the string is drawn in the current color, before drawing the text in the "inverted" color.
    Note: This is a non standard method.
    
    Specified by:
    
    drawString in interface GraphicsLCD
    
    Parameters:
    
    str - the String to be drawn
    
    x - the x coordinate of the anchor point
    
    y - the y coordinate of the anchor point
    
    anchor - the anchor point for positioning the text
    
    inverted - true to invert the text display.
  - drawString
```
public void drawString(java.lang.String str,
                       int x,
                       int y,
                       int anchor)
```
    Description copied from interface: GraphicsLCD
    
    Draws the specified String using the current font and color. x and y give the location of the anchor point.
    
    Specified by:
    
    drawString in interface GraphicsLCD
    
    Parameters:
    
    str - the String to be drawn
    
    x - the x coordinate of the anchor point
    
    y - the y coordinate of the anchor point
    
    anchor - the anchor point for positioning the text
  - drawSubstring
```
public void drawSubstring(java.lang.String str,
                          int offset,
                          int len,
                          int x,
                          int y,
                          int anchor)
```
    Description copied from interface: GraphicsLCD
    
    Draw a substring to the graphics surface using the current color.
    
    Specified by:
    
    drawSubstring in interface GraphicsLCD
    
    Parameters:
    
    str - the base string
    
    offset - the start of the sub string
    
    len - the length of the sub string
    
    x - the x coordinate of the anchor point
    
    y - the x coordinate of the anchor point
    
    anchor - the anchor point used to position the text.
  - drawChar
```
public void drawChar(char character,
                     int x,
                     int y,
                     int anchor)
```
    Description copied from interface: GraphicsLCD
    
    Draw a single character to the graphics surface using the current color.
    
    Specified by:
    
    drawChar in interface GraphicsLCD
    
    Parameters:
    
    character - the character to draw
    
    x - the x coordinate of the anchor point
    
    y - the x coordinate of the anchor point
    
    anchor - the anchor point used to position the text.
  - drawChars
```
public void drawChars(char[] data,
                      int offset,
                      int length,
                      int x,
                      int y,
                      int anchor)
```
    Description copied from interface: GraphicsLCD
    
    Draw a series of characters to the graphics surface using the current color.
    
    Specified by:
    
    drawChars in interface GraphicsLCD
    
    Parameters:
    
    data - the characters
    
    offset - the start of the characters to be drawn
    
    length - the length of the character string to draw
    
    x - the x coordinate of the anchor point
    
    y - the x coordinate of the anchor point
    
    anchor - the anchor point used to position the text.
  - getStrokeStyle
```
public int getStrokeStyle()
```
    Description copied from interface: GraphicsLCD
    
    Return the current stroke style.
    
    Specified by:
    
    getStrokeStyle in interface GraphicsLCD
    
    Returns:
    
    current style.
  - setStrokeStyle
```
public void setStrokeStyle(int style)
```
    Description copied from interface: GraphicsLCD
    
    Set the stroke style to be used for drawing operations.
    
    Specified by:
    
    setStrokeStyle in interface GraphicsLCD
    
    Parameters:
    
    style - new style.
  - drawRegionRop
```
public void drawRegionRop(Image src,
                          int sx,
                          int sy,
                          int w,
                          int h,
                          int x,
                          int y,
                          int anchor,
                          int rop)
```
    Description copied from interface: GraphicsLCD
    
    Draw the specified image to the graphics surface, using the supplied rop.
    Note: This is a non standard method. Added because without it, it is very hard to invert/manipulate an image, or screen region
    
    Specified by:
    
    drawRegionRop in interface GraphicsLCD
    
    Parameters:
    
    src - image to draw (may be null for ops that do not require input.
    
    sx - x offset in the source
    
    sy - y offset in the source
    
    w - width of area to draw
    
    h - height of area to draw.
    
    x - destination
    
    y - destination
    
    anchor - location of the anchor point
    
    rop - drawing operation.
    
    See Also:
    
    Image
  - drawRegionRop
```
public void drawRegionRop(Image src,
                          int sx,
                          int sy,
                          int w,
                          int h,
                          int transform,
                          int x,
                          int y,
                          int anchor,
                          int rop)
```
    Description copied from interface: GraphicsLCD
    
    Draw the specified region of the source image to the graphics surface after applying the requested transformation, use the supplied rop.
    NOTE: When calculating the anchor point this method assumes that a transformed version of the source width/height should be used.
    
    Specified by:
    
    drawRegionRop in interface GraphicsLCD
    
    Parameters:
    
    src - The source image
    
    sx - x coordinate of the region
    
    sy - y coordinate of the region
    
    w - width of the region
    
    h - height of the region
    
    transform - the required transform
    
    x - x coordinate of the anchor point
    
    y - y coordinate of the anchor point
    
    anchor - type of anchor
    
    rop - raster operation used to draw the output.
  - drawRegion
```
public void drawRegion(Image src,
                       int sx,
                       int sy,
                       int w,
                       int h,
                       int transform,
                       int x,
                       int y,
                       int anchor)
```
    Description copied from interface: GraphicsLCD
    
    Draw the specified region of the supplied image to the graphics surface. NOTE: Transforms are not currently supported.
    
    Specified by:
    
    drawRegion in interface GraphicsLCD
    
    Parameters:
    
    src - image to draw (may be null for ops that do not require input.
    
    sx - x offset to the region
    
    sy - y offset to the region
    
    w - width of the region
    
    h - height of the region
    
    x - destination
    
    y - destination
    
    anchor - location of the anchor point
    
    See Also:
    
    Image
  - drawImage
```
public void drawImage(Image src,
                      int x,
                      int y,
                      int anchor)
```
    Description copied from interface: GraphicsLCD
    
    Draw the specified image to the graphics surface, using the supplied rop.
    
    Specified by:
    
    drawImage in interface GraphicsLCD
    
    Parameters:
    
    src - image to draw (may be null for ops that do not require input.
    
    x - destination
    
    y - destination
    
    anchor - location of the anchor point
    
    See Also:
    
    Image
  - drawLine
```
public void drawLine(int x0,
                     int y0,
                     int x1,
                     int y1)
```
    Description copied from interface: GraphicsLCD
    
    Draw a line between the specified points, using the current color and style.
    
    Specified by:
    
    drawLine in interface GraphicsLCD
    
    Parameters:
    
    x0 - x start point
    
    y0 - y start point
    
    x1 - x end point
    
    y1 - y end point
  - drawArc
```
public void drawArc(int x,
                    int y,
                    int width,
                    int height,
                    int startAngle,
                    int arcAngle)
```
    Description copied from interface: GraphicsLCD
    
    Draw an arc, using the current color and style.
    
    Specified by:
    
    drawArc in interface GraphicsLCD
  - fillArc
```
public void fillArc(int x,
                    int y,
                    int width,
                    int height,
                    int startAngle,
                    int arcAngle)
```
    Description copied from interface: GraphicsLCD
    
    Draw a filled arc, using the current color.
    
    Specified by:
    
    fillArc in interface GraphicsLCD
  - drawRoundRect
```
public void drawRoundRect(int x,
                          int y,
                          int width,
                          int height,
                          int arcWidth,
                          int arcHeight)
```
    Description copied from interface: GraphicsLCD
    
    Draw a rounded rectangle.
    
    Specified by:
    
    drawRoundRect in interface GraphicsLCD
  - drawRect
```
public void drawRect(int x,
                     int y,
                     int width,
                     int height)
```
    Description copied from interface: GraphicsLCD
    
    Draw a rectangle using the current color and style.
    
    Specified by:
    
    drawRect in interface GraphicsLCD
  - fillRect
```
public void fillRect(int x,
                     int y,
                     int w,
                     int h)
```
    Description copied from interface: GraphicsLCD
    
    Draw a filled rectangle using the current color.
    
    Specified by:
    
    fillRect in interface GraphicsLCD
  - copyArea
```
public void copyArea(int sx,
                     int sy,
                     int w,
                     int h,
                     int x,
                     int y,
                     int anchor)
```
    Description copied from interface: GraphicsLCD
    
    Copy one rectangular area of the drawing surface to another.
    
    Specified by:
    
    copyArea in interface GraphicsLCD
    
    Parameters:
    
    sx - Source x
    
    sy - Source y
    
    w - Source width
    
    h - Source height
    
    x - Destination x
    
    y - Destination y
    
    anchor - location of the anchor point of the destination.
  - getFont
```
public Font getFont()
```
    Description copied from interface: GraphicsLCD
    
    Return the currently selected font object.
    
    Specified by:
    
    getFont in interface GraphicsLCD
    
    Returns:
    
    Current font.
  - setFont
```
public void setFont(Font f)
```
    Description copied from interface: GraphicsLCD
    
    Set the current font
    
    Specified by:
    
    setFont in interface GraphicsLCD
    
    Parameters:
    
    f - the font
  - translate
```
public void translate(int x,
                      int y)
```
    Description copied from interface: GraphicsLCD
    
    Translates the origin of the graphics context to the point (x, y) in the current coordinate system. Calls are cumulative.
    
    Specified by:
    
    translate in interface GraphicsLCD
    
    Parameters:
    
    x - the new translation origin x value
    
    y - new translation origin y value
    
    See Also:
    
    GraphicsLCD.getTranslateX(), GraphicsLCD.getTranslateY()
  - getTranslateX
```
public int getTranslateX()
```
    Description copied from interface: GraphicsLCD
    
    Gets the X coordinate of the translated origin of this graphics context.
    
    Specified by:
    
    getTranslateX in interface GraphicsLCD
    
    Returns:
    
    X of current origin
  - getTranslateY
```
public int getTranslateY()
```
    Description copied from interface: GraphicsLCD
    
    Gets the Y coordinate of the translated origin of this graphics context.
    
    Specified by:
    
    getTranslateY in interface GraphicsLCD
    
    Returns:
    
    Y of current origin
  - setColor
```
public void setColor(int rgb)
```
    Description copied from interface: GraphicsLCD
    
    Set the current drawing color. The value is in the format 0x00RRGGBB. NOTE. Currently only black and white is supported. any non black color is treated as white!
    
    Specified by:
    
    setColor in interface GraphicsLCD
    
    Parameters:
    
    rgb - new color.
  - setColor
```
public void setColor(int red,
                     int green,
                     int blue)
```
    Description copied from interface: GraphicsLCD
    
    Sets the current color to the specified RGB values.
    
    Specified by:
    
    setColor in interface GraphicsLCD
    
    Parameters:
    
    red - the red component
    
    green - the green component
    
    blue - the blue

Class RemoteRequestGraphicsLCD

Field Summary

Fields inherited from interface lejos.hardware.lcd.GraphicsLCD

Fields inherited from interface lejos.hardware.lcd.CommonLCD

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

RemoteRequestGraphicsLCD

Method Detail

refresh

clear

getWidth

getHeight

getDisplay

getHWDisplay

setContrast

bitBlt

bitBlt

setAutoRefresh

setAutoRefreshPeriod

setPixel

getPixel

drawString

drawString

drawSubstring

drawChar

drawChars

getStrokeStyle

setStrokeStyle

drawRegionRop

drawRegionRop

drawRegion

drawImage

drawLine

drawArc

fillArc

drawRoundRect

drawRect

fillRect

copyArea

getFont

setFont

translate

getTranslateX

getTranslateY

setColor

setColor