javax.microedition.lcdui
Class Graphics

java.lang.Object
  |
  +--javax.microedition.lcdui.Graphics

public class Graphics

extends Object

This class does all the drawing

Field Summary

static int	BASELINE put the anchor point on the baseline
static int	BOTTOM put the anchor point on the left
static int	DOTTED Draw dotted lines
static int	HCENTER put the anchor point in the horizontal center
static int	LEFT put the anchor point to the left
static int	RIGHT Put the anchor point to the right
static int	SOLID Draw solid lines
static int	TOP Put the anchor point at the top
static int	VCENTER Put the anchor point vertically central

Method Summary

void	clipRect(int x, int y, int width, int height) Intersect the current clipping rectangle with the specified one
void	drawArc(int x, int y, int width, int height, int startAngle, int arcAngle) Draw an arc
void	drawChar(char ch, int x, int y, int anchor) Draw a character
void	drawChars(char[] data, int offset, int length, int x, int y, int anchor) Draw a number of characters
void	drawImage(Image img, int x, int y, int anchor) Draw an image
void	drawLine(int x1, int y1, int x2, int y2) Draw a line
void	drawRect(int x, int y, int width, int height) Draw a rectangle
void	drawRoundRect(int x, int y, int width, int heghit, int arcWidth, int arcHeight) Draw a round rectangle
void	drawString(java.lang.String str, int x, int y, int anchor) Draw a string
void	drawSubstring(java.lang.String str, int offset, int length, int x, int y, int anchor) Draw a substring
void	fillArc(int x, int y, int width, int height, int startAngle, int arcAngle) Fill an arc
void	fillRect(int x, int y, int width, int height) Fill a rectangle
void	fillRoundRect(int x, int y, int width, int heghit, int arcWidth, int arcHeight) Fill a round rectangle
int	getBlueComponent() Get the blue component
int	getClipHeight() Get the clip height
int	getClipWidth() Get the clip width
int	getClipX() Get the clip x
int	getClipY() Get the clip y
int	getColor() Get the colour
Font	getFont() Get the font
int	getGrayScale() Get the gray scale
int	getGreenComponent() Get the green component
int	getRedComponent() Get the red component
int	getStrokeStyle() Get the stroke style
int	getTranslateX() Get the x translation
int	getTranslateY() Get the y translation
void	setClip(int x, int y, int width, int height) Set the clipping rectange
void	setColor(int colour) Set the colour
void	setColor(int red, int green, int blue) Set the colour from individual red, green and blue
void	setFont(Font font) Set the font
void	setGrayScale(int value) Set the gray scale value
void	setStrokeStyle(int stroke) Set the stroke style
void	translate(int x, int y) Set the translation

Methods inherited from class java.lang.Object

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

Field Detail

BASELINE

public static final int BASELINE

put the anchor point on the baseline

See Also:

Constant Field Values

BOTTOM

public static final int BOTTOM

put the anchor point on the left

See Also:

Constant Field Values

DOTTED

public static final int DOTTED

Draw dotted lines

See Also:

Constant Field Values

HCENTER

public static final int HCENTER

put the anchor point in the horizontal center

See Also:

Constant Field Values

LEFT

public static final int LEFT

put the anchor point to the left

See Also:

Constant Field Values

RIGHT

public static final int RIGHT

Put the anchor point to the right

See Also:

Constant Field Values

SOLID

public static final int SOLID

Draw solid lines

See Also:

Constant Field Values

TOP

public static final int TOP

Put the anchor point at the top

See Also:

Constant Field Values

VCENTER

public static final int VCENTER

Put the anchor point vertically central

See Also:

Constant Field Values

Method Detail

clipRect

public void clipRect(int x,
                     int y,
                     int width,
                     int height)

Intersect the current clipping rectangle with the specified one

Parameters:

x - The x position

y - The y position

width - The width

height - The height

drawArc

public void drawArc(int x,
                    int y,
                    int width,
                    int height,
                    int startAngle,
                    int arcAngle)

Draw an arc

Parameters:

x - The x position

y - The y position

width - The width

height - The height

startAngle - The start

arcAngle - The angle of the arc to do

drawChar

public void drawChar(char ch,
                     int x,
                     int y,
                     int anchor)

Draw a character

Parameters:

ch - The character

x - The x position

y - The y position

anchor - The anchor

Throws:

IllegalArgumentException - if the anchor is invalid

drawChars

public void drawChars(char[] data,
                      int offset,
                      int length,
                      int x,
                      int y,
                      int anchor)

Draw a number of characters

Parameters:

data - The characters

offset - The offset into the data

length - The length

x - The x position

y - The y position

anchor - The anchor information

Throws:

NullPointerException - if the data is null

IllegalArgumentException - if the anchor is invalid

drawImage

public void drawImage(Image img,
                      int x,
                      int y,
                      int anchor)

Draw an image

Parameters:

img - The image

x - The x position

y - The y position

anchor - The anchor

Throws:

NullPointerException - if the image is null

drawLine

public void drawLine(int x1,
                     int y1,
                     int x2,
                     int y2)

Draw a line

Parameters:

x1 - The start x

y1 - The start y

x2 - The end x

y2 - The end y

drawRect

public void drawRect(int x,
                     int y,
                     int width,
                     int height)

Draw a rectangle

Parameters:

x - The x position

y - The y position

width - The width

height - The height

drawRoundRect

public void drawRoundRect(int x,
                          int y,
                          int width,
                          int heghit,
                          int arcWidth,
                          int arcHeight)

Draw a round rectangle

Parameters:

x - The x position

y - The y position

width - The width

arcWidth - The width of the arc

arcHeight - The height of the arc

drawString

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

Draw a string

Parameters:

str - The string

x - The x position

y - The y position

anchor - The anchor

Throws:

IllegalArgumentException - if the anchor is invalid

NullPointerException - if the string is null

drawSubstring

public void drawSubstring(java.lang.String str,
                          int offset,
                          int length,
                          int x,
                          int y,
                          int anchor)

Draw a substring

Parameters:

str - The string

offset - The offset

x - The x position

y - The y position

anchor - The anchor

Throws:

StringIndexOutOfBoundsException - if the offset and length are not valie

IllegalArgumentException - if the anchor is invalid

NullPointerException - if the string is null

fillArc

public void fillArc(int x,
                    int y,
                    int width,
                    int height,
                    int startAngle,
                    int arcAngle)

Fill an arc

Parameters:

x - The x position

y - The y position

width - The width

height - The height

startAngle - The start

arcAngle - The angle of the arc to do

fillRect

public void fillRect(int x,
                     int y,
                     int width,
                     int height)

Fill a rectangle

Parameters:

x - The x position

y - The y position

width - The width

height - The height

fillRoundRect

public void fillRoundRect(int x,
                          int y,
                          int width,
                          int heghit,
                          int arcWidth,
                          int arcHeight)

Fill a round rectangle

Parameters:

x - The x position

y - The y position

width - The width

arcWidth - The width of the arc

arcHeight - The height of the arc

getBlueComponent

public int getBlueComponent()

Get the blue component

Returns:

the blue component

getClipHeight

public int getClipHeight()

Get the clip height

Returns:

the clip height

getClipWidth

public int getClipWidth()

Get the clip width

Returns:

the clip width

getClipX

public int getClipX()

Get the clip x

Returns:

the clip x

getClipY

public int getClipY()

Get the clip y

Returns:

the clip y

getColor

public int getColor()

Get the colour

Returns:

the colour

getFont

public Font getFont()

Get the font

Returns:

the font

getGrayScale

public int getGrayScale()

Get the gray scale

Returns:

the gray scale

getGreenComponent

public int getGreenComponent()

Get the green component

Returns:

the green component

getRedComponent

public int getRedComponent()

Get the red component

Returns:

the red component

getStrokeStyle

public int getStrokeStyle()

Get the stroke style

Returns:

the stroke style

getTranslateX

public int getTranslateX()

Get the x translation

Returns:

the x translation

getTranslateY

public int getTranslateY()

Get the y translation

Returns:

the y translation

setClip

public void setClip(int x,
                    int y,
                    int width,
                    int height)

Set the clipping rectange

Parameters:

x - The x position

y - The y position

width - The width

height - The height

setColor

public void setColor(int colour)

Set the colour

Parameters:

colour - The new colour

setColor

public void setColor(int red,
                     int green,
                     int blue)

Set the colour from individual red, green and blue

Parameters:

red - The red component

green - The green component

blue - The blue component

setFont

public void setFont(Font font)

Set the font

Parameters:

font - The font to set

setGrayScale

public void setGrayScale(int value)

Set the gray scale value

setStrokeStyle

public void setStrokeStyle(int stroke)

Set the stroke style

translate

public void translate(int x,
                      int y)

Set the translation

Parameters:

x - The x translation

y - The y translation