javax.swing

Class DebugGraphics

java.lang.Object

java.awt.Graphics

javax.swing.DebugGraphics

public class DebugGraphics
extends Graphics

An extension of Graphics that can be used for debugging custom Swing widgets. DebugGraphics has the ability to draw slowly and can log drawing actions.

Field Summary

Fields

Modifier and Type	Field and Description
static int	BUFFERED_OPTION BUFFERED_OPTION
static int	FLASH_OPTION FLASH_OPTION
static int	LOG_OPTION LOG_OPTION
static int	NONE_OPTION NONE_OPTION

Constructor Summary

Constructors

Constructor and Description
DebugGraphics() Creates a DebugGraphics object.
DebugGraphics(Graphics graphics) Creates a DebugGraphics object.
DebugGraphics(Graphics graphics, JComponent component) Creates a DebugGraphics object.

Method Summary

Methods

Modifier and Type	Method and Description
void	clearRect(int x, int y, int width, int height) clearRect
void	clipRect(int x, int y, int width, int height) Intersects the current clip region with the given region.
void	copyArea(int x, int y, int width, int height, int destx, int desty) copyArea
Graphics	create() Creates a overrides Graphics.create to create a DebugGraphics object.
Graphics	create(int x, int y, int width, int height) Creates a overrides Graphics.create to create a DebugGraphics object.
void	dispose() Releases all system resources that this Graphics is using.
void	draw3DRect(int x, int y, int width, int height, boolean raised) draw3DRect
void	drawArc(int x, int y, int width, int height, int startAngle, int arcAngle) drawArc
void	drawBytes(byte[] data, int offset, int length, int x, int y) drawBytes
void	drawChars(char[] data, int offset, int length, int x, int y) drawChars
boolean	drawImage(Image image, int x, int y, Color background, ImageObserver observer) drawImage
boolean	drawImage(Image image, int x, int y, ImageObserver observer) drawImage
boolean	drawImage(Image image, int x, int y, int width, int height, Color background, ImageObserver observer) drawImage
boolean	drawImage(Image image, int x, int y, int width, int height, ImageObserver observer) drawImage
boolean	drawImage(Image image, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, Color background, ImageObserver observer) drawImage
boolean	drawImage(Image image, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, ImageObserver observer) drawImage
void	drawLine(int x1, int y1, int x2, int y2) drawLine
void	drawOval(int x, int y, int width, int height) drawOval
void	drawPolygon(int[] xpoints, int[] ypoints, int npoints) drawPolygon
void	drawPolyline(int[] xpoints, int[] ypoints, int npoints) drawPolyline
void	drawRect(int x, int y, int width, int height) Draws a rectangle.
void	drawRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight) drawRoundRect
void	drawString(AttributedCharacterIterator iterator, int x, int y) drawString
void	drawString(String string, int x, int y) drawString
void	fill3DRect(int x, int y, int width, int height, boolean raised) fill3DRect
void	fillArc(int x, int y, int width, int height, int startAngle, int arcAngle) fillArc
void	fillOval(int x, int y, int width, int height) fillOval
void	fillPolygon(int[] xpoints, int[] ypoints, int npoints) fillPolygon
void	fillRect(int x, int y, int width, int height) Draws a filled rectangle.
void	fillRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight) fillRoundRect
static Color	flashColor() flashColor
static int	flashCount() flashCount
static int	flashTime() flashTime
Shape	getClip() Returns the current clipping region.
Rectangle	getClipBounds() getClipBounds
Color	getColor() Returns the color used for drawing.
int	getDebugOptions() getDebugOptions
Font	getFont() getFont
FontMetrics	getFontMetrics() Returns the font metrics of the current font.
FontMetrics	getFontMetrics(Font font) Returns the font metrics for a given font.
boolean	isDrawingBuffer() isDrawingBuffer
static PrintStream	logStream() logStream
void	setClip(int x, int y, int width, int height) Sets the clipping region.
void	setClip(Shape shape) Sets the current clipping region
void	setColor(Color color) Sets the color to draw stuff with.
void	setDebugOptions(int options) setDebugOptions
static void	setFlashColor(Color color) setFlashColor
static void	setFlashCount(int count) setFlashCount
static void	setFlashTime(int time) setFlashTime
void	setFont(Font font) setFont
static void	setLogStream(PrintStream stream) setLogStream
void	setPaintMode() setPaintMode
void	setXORMode(Color color) setXORMode
void	translate(int x, int y) translate

Methods inherited from class java.awt.Graphics

drawPolygon, fillPolygon, finalize, getClipBounds, getClipRect, hitClip, toString

Methods inherited from class java.lang.Object

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

Field Detail

LOG_OPTION

public static final int LOG_OPTION

LOG_OPTION

See Also:

Constant Field Values

FLASH_OPTION

public static final int FLASH_OPTION

FLASH_OPTION

See Also:

Constant Field Values

BUFFERED_OPTION

public static final int BUFFERED_OPTION

BUFFERED_OPTION

See Also:

Constant Field Values

NONE_OPTION

public static final int NONE_OPTION

NONE_OPTION

See Also:

Constant Field Values

Constructor Detail

DebugGraphics

public DebugGraphics()

Creates a DebugGraphics object.

DebugGraphics

public DebugGraphics(Graphics graphics,
             JComponent component)

Creates a DebugGraphics object.

Parameters:

graphics - The Graphics object to wrap

component - TODO

DebugGraphics

public DebugGraphics(Graphics graphics)

Creates a DebugGraphics object.

Parameters:

graphics - The Graphics object to wrap

Method Detail

setColor

public void setColor(Color color)

Sets the color to draw stuff with.

Specified by:

setColor in class Graphics

Parameters:

color - The color

create

public Graphics create()

Creates a overrides Graphics.create to create a DebugGraphics object.

Specified by:

create in class Graphics

Returns:

a new DebugGraphics object.

create

public Graphics create(int x,
              int y,
              int width,
              int height)

Creates a overrides Graphics.create to create a DebugGraphics object.

Overrides:

create in class Graphics

Parameters:

x - the x coordinate

y - the y coordinate

width - the width

height - the height

Returns:

a new DebugGraphics object.

flashColor

public static Color flashColor()

flashColor

Returns:

Color

setFlashColor

public static void setFlashColor(Color color)

setFlashColor

Parameters:

color - the color to use for flashing

flashTime

public static int flashTime()

flashTime

Returns:

The time in milliseconds

setFlashTime

public static void setFlashTime(int time)

setFlashTime

Parameters:

time - The time in milliseconds

flashCount

public static int flashCount()

flashCount

Returns:

The number of flashes

setFlashCount

public static void setFlashCount(int count)

setFlashCount

Parameters:

count - The number of flashes

logStream

public static PrintStream logStream()

logStream

Returns:

The PrintStream to write logging messages to

setLogStream

public static void setLogStream(PrintStream stream)

setLogStream

Parameters:

stream - The currently set PrintStream.

getFont

public Font getFont()

getFont

Specified by:

getFont in class Graphics

Returns:

The font

setFont

public void setFont(Font font)

setFont

Specified by:

setFont in class Graphics

Parameters:

font - The font to use for drawing text

getColor

public Color getColor()

Returns the color used for drawing.

Specified by:

getColor in class Graphics

Returns:

The color.

getFontMetrics

public FontMetrics getFontMetrics()

Returns the font metrics of the current font.

Overrides:

getFontMetrics in class Graphics

Returns:

a FontMetrics object

getFontMetrics

public FontMetrics getFontMetrics(Font font)

Returns the font metrics for a given font.

Specified by:

getFontMetrics in class Graphics

Parameters:

font - the font to get the metrics for

Returns:

a FontMetrics object

translate

public void translate(int x,
             int y)

translate

Specified by:

translate in class Graphics

Parameters:

x - the x coordinate

y - the y coordinate

setPaintMode

public void setPaintMode()

setPaintMode

Specified by:

setPaintMode in class Graphics

setXORMode

public void setXORMode(Color color)

setXORMode

Specified by:

setXORMode in class Graphics

Parameters:

color - the color

getClipBounds

public Rectangle getClipBounds()

getClipBounds

Specified by:

getClipBounds in class Graphics

Returns:

Rectangle

clipRect

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

Intersects the current clip region with the given region.

Specified by:

clipRect in class Graphics

Parameters:

x - The x-position of the region

y - The y-position of the region

width - The width of the region

height - The height of the region

setClip

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

Sets the clipping region.

Specified by:

setClip in class Graphics

Parameters:

x - The x-position of the region

y - The y-position of the region

width - The width of the region

height - The height of the region

getClip

public Shape getClip()

Returns the current clipping region.

Specified by:

getClip in class Graphics

Returns:

Shape

setClip

public void setClip(Shape shape)

Sets the current clipping region

Specified by:

setClip in class Graphics

Parameters:

shape - The clippin region

drawRect

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

Draws a rectangle.

Overrides:

drawRect in class Graphics

Parameters:

x - The x-position of the rectangle

y - The y-position of the rectangle

width - The width of the rectangle

height - The height of the rectangle

fillRect

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

Draws a filled rectangle.

Specified by:

fillRect in class Graphics

Parameters:

x - The x-position of the rectangle

y - The y-position of the rectangle

width - The width of the rectangle

height - The height of the rectangle

clearRect

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

clearRect

Specified by:

clearRect in class Graphics

Parameters:

x - The x-position of the rectangle

y - The y-position of the rectangle

width - The width of the rectangle

height - The height of the rectangle

drawRoundRect

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

drawRoundRect

Specified by:

drawRoundRect in class Graphics

Parameters:

x - The x-position of the rectangle

y - The y-position of the rectangle

width - The width of the rectangle

height - The height of the rectangle

arcWidth - TODO

arcHeight - TODO

fillRoundRect

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

fillRoundRect

Specified by:

fillRoundRect in class Graphics

Parameters:

x - The x-position of the rectangle

y - The y-position of the rectangle

width - The width of the rectangle

height - The height of the rectangle

arcWidth - TODO

arcHeight - TODO

drawLine

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

drawLine

Specified by:

drawLine in class Graphics

Parameters:

x1 - The x-position of the start

y1 - The y-position of the start

x2 - The x-position of the end

y2 - The y-position of the end

draw3DRect

public void draw3DRect(int x,
              int y,
              int width,
              int height,
              boolean raised)

draw3DRect

Overrides:

draw3DRect in class Graphics

Parameters:

x - The x-position of the rectangle

y - The y-position of the rectangle

width - The width of the rectangle

height - The height of the rectangle

raised - TODO

fill3DRect

public void fill3DRect(int x,
              int y,
              int width,
              int height,
              boolean raised)

fill3DRect

Overrides:

fill3DRect in class Graphics

Parameters:

x - The x-position of the rectangle

y - The y-position of the rectangle

width - The width of the rectangle

height - The height of the rectangle

raised - TODO

drawOval

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

drawOval

Specified by:

drawOval in class Graphics

Parameters:

x - the x coordinate

y - the y coordiante

width - the width

height - the height

fillOval

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

fillOval

Specified by:

fillOval in class Graphics

Parameters:

x - the x coordinate

y - the y coordinate

width - the width

height - the height

drawArc

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

drawArc

Specified by:

drawArc in class Graphics

Parameters:

x - the x coordinate

y - the y coordinate

width - the width

height - the height

startAngle - TODO

arcAngle - TODO

fillArc

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

fillArc

Specified by:

fillArc in class Graphics

Parameters:

x - the coordinate

y - the y coordinate

width - the width

height - the height

startAngle - TODO

arcAngle - TODO

drawPolyline

public void drawPolyline(int[] xpoints,
                int[] ypoints,
                int npoints)

drawPolyline

Specified by:

drawPolyline in class Graphics

Parameters:

xpoints - TODO

ypoints - TODO

npoints - TODO

drawPolygon

public void drawPolygon(int[] xpoints,
               int[] ypoints,
               int npoints)

drawPolygon

Specified by:

drawPolygon in class Graphics

Parameters:

xpoints - TODO

ypoints - TODO

npoints - TODO

fillPolygon

public void fillPolygon(int[] xpoints,
               int[] ypoints,
               int npoints)

fillPolygon

Specified by:

fillPolygon in class Graphics

Parameters:

xpoints - TODO

ypoints - TODO

npoints - TODO

drawString

public void drawString(String string,
              int x,
              int y)

drawString

Specified by:

drawString in class Graphics

Parameters:

string - the string

x - the x coordinate

y - the y coordinate

drawString

public void drawString(AttributedCharacterIterator iterator,
              int x,
              int y)

drawString

Specified by:

drawString in class Graphics

Parameters:

iterator - TODO

x - the x coordinate

y - the y coordinate

drawBytes

public void drawBytes(byte[] data,
             int offset,
             int length,
             int x,
             int y)

drawBytes

Overrides:

drawBytes in class Graphics

Parameters:

data - TODO

offset - TODO

length - TODO

x - the x coordinate

y - the y coordinate

drawChars

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

drawChars

Overrides:

drawChars in class Graphics

Parameters:

data - array of characters to draw

offset - offset in array

length - number of characters in array to draw

x - x-position

y - y-position

drawImage

public boolean drawImage(Image image,
                int x,
                int y,
                ImageObserver observer)

drawImage

Specified by:

drawImage in class Graphics

Parameters:

image - The image to draw

x - The x position

y - The y position

observer - The image observer

Returns:

boolean

drawImage

public boolean drawImage(Image image,
                int x,
                int y,
                int width,
                int height,
                ImageObserver observer)

drawImage

Specified by:

drawImage in class Graphics

Parameters:

image - The image to draw

x - The x position

y - The y position

width - The width of the area to draw the image

height - The height of the area to draw the image

observer - The image observer

Returns:

boolean

drawImage

public boolean drawImage(Image image,
                int x,
                int y,
                Color background,
                ImageObserver observer)

drawImage

Specified by:

drawImage in class Graphics

Parameters:

image - The image to draw

x - The x position

y - The y position

background - The color for the background in the opaque regions of the image

observer - The image observer

Returns:

boolean

drawImage

public boolean drawImage(Image image,
                int x,
                int y,
                int width,
                int height,
                Color background,
                ImageObserver observer)

drawImage

Specified by:

drawImage in class Graphics

Parameters:

image - The image to draw

x - The x position

y - The y position

width - The width of the area to draw the image

height - The height of the area to draw the image

background - The color for the background in the opaque regions of the image

observer - The image observer

Returns:

boolean

drawImage

public boolean drawImage(Image image,
                int dx1,
                int dy1,
                int dx2,
                int dy2,
                int sx1,
                int sy1,
                int sx2,
                int sy2,
                ImageObserver observer)

drawImage

Specified by:

drawImage in class Graphics

Parameters:

image - The image to draw

dx1 - TODO

dy1 - TODO

dx2 - TODO

dy2 - TODO

sx1 - TODO

sy1 - TODO

sx2 - TODO

sy2 - TODO

observer - The image observer

Returns:

boolean

drawImage

public boolean drawImage(Image image,
                int dx1,
                int dy1,
                int dx2,
                int dy2,
                int sx1,
                int sy1,
                int sx2,
                int sy2,
                Color background,
                ImageObserver observer)

drawImage

Specified by:

drawImage in class Graphics

Parameters:

image - The image to draw

dx1 - TODO

dy1 - TODO

dx2 - TODO

dy2 - TODO

sx1 - TODO

sy1 - TODO

sx2 - TODO

sy2 - TODO

background - The color for the background in the opaque regions of the image

observer - The image observer

Returns:

boolean

copyArea

public void copyArea(int x,
            int y,
            int width,
            int height,
            int destx,
            int desty)

copyArea

Specified by:

copyArea in class Graphics

Parameters:

x - The x position of the source area

y - The y position of the source area

width - The width of the area

height - The height of the area

destx - The x position of the destination area

desty - The y posiiton of the destination area

dispose

public void dispose()

Releases all system resources that this Graphics is using.

Specified by:

dispose in class Graphics

isDrawingBuffer

public boolean isDrawingBuffer()

isDrawingBuffer

Returns:

boolean

setDebugOptions

public void setDebugOptions(int options)

setDebugOptions

Parameters:

options - the debug options

getDebugOptions

public int getDebugOptions()

getDebugOptions

Returns:

the debug options