org.joshvm.j2me.directUI

Class Display

java.lang.Object

org.joshvm.j2me.directUI.Display

public class Display
extends Object

Display represents the primitive display device of the system. It includes methods for showing Image , ImageBuffer , Text , and other primitive operations of display device, such as flush and clear.

There is exactly one default Display bound to one device; Or, user could get different Display devices by specifing user defined display adaptors. Usually, user defined display is the display device mounted on SPI or other kind of external I/O port.

Use getDisplay() to get it.

Field Summary

Fields

Modifier and Type	Field and Description
static int	COLOR_MODE_ARGB8888
static int	COLOR_MODE_RGB565
static int	COLOR_MODE_RGB666
static int	COLOR_MODE_RGB888

Method Summary

Methods

Modifier and Type	Method and Description
void	clear()
void	clear(int rgb)
void	flush()
int	getColorMode()
static Display	getDisplay() Get the default display device.
static Display	getDisplay(DisplayDeviceAdaptor device) Get the user defined display device.
int	getDisplayHeight()
int	getDisplayWidth()
void	showImage(int top_left_x, int top_left_y, Image image)
void	showImage(int top_left_x, int top_left_y, Image image, boolean delayed)
void	showImageBuffer(int top_left_x, int top_left_y, ImageBuffer image)
void	showImageBuffer(int top_left_x, int top_left_y, ImageBuffer image, boolean delayed)
void	showText(int top_left_x, int top_left_y, Text text)
void	showText(int top_left_x, int top_left_y, Text text, boolean delayed)
void	turnOffBacklight()
void	turnOnBacklight()

Methods inherited from class java.lang.Object

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

Field Detail

COLOR_MODE_RGB565

public static final int COLOR_MODE_RGB565

See Also:

Constant Field Values

COLOR_MODE_RGB666

public static final int COLOR_MODE_RGB666

See Also:

Constant Field Values

COLOR_MODE_RGB888

public static final int COLOR_MODE_RGB888

See Also:

Constant Field Values

COLOR_MODE_ARGB8888

public static final int COLOR_MODE_ARGB8888

See Also:

Constant Field Values

Method Detail

getDisplay

public static Display getDisplay()
                          throws IOException

Get the default display device.

Throws:

IOException

getDisplay

public static Display getDisplay(DisplayDeviceAdaptor device)
                          throws IOException

Get the user defined display device.

Throws:

IOException

See Also:

org.joshvm.j2me.directUI.DisplayDeviceAdaptor DisplayDeviceAdaptor}

getDisplayWidth

public int getDisplayWidth()

getDisplayHeight

public int getDisplayHeight()

getColorMode

public int getColorMode()

clear

public void clear()

clear

public void clear(int rgb)

showImageBuffer

public void showImageBuffer(int top_left_x,
                   int top_left_y,
                   ImageBuffer image)

showImageBuffer

public void showImageBuffer(int top_left_x,
                   int top_left_y,
                   ImageBuffer image,
                   boolean delayed)

showImage

public void showImage(int top_left_x,
             int top_left_y,
             Image image)

showImage

public void showImage(int top_left_x,
             int top_left_y,
             Image image,
             boolean delayed)

showText

public void showText(int top_left_x,
            int top_left_y,
            Text text)

showText

public void showText(int top_left_x,
            int top_left_y,
            Text text,
            boolean delayed)

flush

public void flush()

turnOnBacklight

public void turnOnBacklight()

turnOffBacklight

public void turnOffBacklight()