Package javaforce.awt

Class JFImage

java.lang.Object

java.awt.Component

java.awt.Container

javax.swing.JComponent

javaforce.awt.JFImage

All Implemented Interfaces:

ImageObserver, MenuContainer, Serializable, Icon

public class JFImage
extends JComponent
implements Icon

Encapsules BufferedImage to provide more functions. Implements javax.swing.Icon so it can also be used with JLabel.

Author:

Peter Quiring

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	JFImage.ResizeOperation

Nested classes/interfaces inherited from class javax.swing.JComponent

JComponent.AccessibleJComponent

Nested classes/interfaces inherited from class java.awt.Container

Container.AccessibleAWTContainer

Nested classes/interfaces inherited from class java.awt.Component

Component.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

Fields

Modifier and Type	Field	Description
static final int	ALPHA_MASK
static final int	BLUE_MASK
static final int	GREEN_MASK
static final int	OPAQUE
static final int	RED_MASK
static final int	RGB_MASK
static final int	TRANSPARENT

Fields inherited from class javax.swing.JComponent

listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

Fields inherited from class java.awt.Component

accessibleContext, BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

Constructors

Constructor	Description
JFImage()
JFImage(boolean alpha)
JFImage(int x, int y)
JFImage(int x, int y, boolean alpha)

Method Summary

Modifier and Type	Method	Description
void	arc(int x, int y, int w, int h, int startAngle, int arcAngle, int clr)	Draw an arc
void	box(int x, int y, int w, int h, int clr)	Draw a rectangle outline in clr (assumes opaque).
void	clear()	Clears the image to black with opaque alpha.
static JFImage	createScreenCapture()	Uses java.awt.Robot to capture and return a screen image.
static JFImage	createScreenCapture(GraphicsDevice device)	Uses java.awt.Robot to capture and return a screen image.
static JFImage	createScreenCapture(GraphicsDevice device, Rectangle rect)	Uses java.awt.Robot to capture and return a screen image of specified rectangle.
static JFImage	createScreenCapture(Rectangle rect)	Uses java.awt.Robot to capture and return a screen image of specified rectangle.
void	fill(int x, int y, int w, int h, int clr)	Fills a rectangle with clr (assumes OPAQUE alpha)
void	fill(int x, int y, int w, int h, int clr, boolean hasAlpha)	Fills a rectangle with clr
void	fillAlpha(int x, int y, int w, int h, int lvl)	Fills the alpha channel with lvl (doesn't touch rgb values)
void	fillAlphaKeyClr(int x, int y, int w, int h, int lvl, int keyClr)	Fills alpha channel with lvl ONLY where dest pixel == keyClr
void	fillArc(int x, int y, int w, int h, int startAngle, int arcAngle, int clr)	Draw a filled arc
void	fillOval(int x, int y, int w, int h, int clr)	Draw a filled circle/oval
int	getAlpha(int x, int y)	Returns alpha value of pixel at x,y
int[]	getAlphaLayer()	Gets alpha Layer as grey scale
int[]	getBuffer()	Returns the data buffer
BufferedImage	getBufferedImage()
int[]	getFontMetrics(Font fnt, String txt)	Returns font metrics for a given font/text.
Graphics	getGraphics()
Graphics2D	getGraphics2D()
int	getHeight()
int	getIconHeight()
int	getIconWidth()
Image	getImage()
JFImage	getJFImage(int x, int y, int w, int h)	Returns an area of this image as a new JFImage.
int[]	getLayer(int bits)	Gets color Layer (RGB) : pixels AND bits
int	getPixel(int x, int y)	Returns rgb value of pixel at x,y
int[]	getPixels()	Returns a copy of the buffer
int[]	getPixels(int x, int y, int w, int h)	Gets a rectangle of pixels (including alpha)
int	getWidth()
void	hline(int x1, int x2, int y, int clr)	Draw a horizontal line
void	line(int x1, int y1, int x2, int y2, int clr)	Draw a line
boolean	load(InputStream in)
boolean	load(String filename)
boolean	loadBMP(InputStream in, int index)
boolean	loadBMP(String filename, int index)
boolean	loadJPG(InputStream in)
boolean	loadJPG(String filename)
static JFImage[]	loadmulti(InputStream is)
boolean	loadPNG(InputStream in)
boolean	loadPNG(String filename)
boolean	loadSVG(InputStream in, int width, int height)
boolean	loadSVG(String filename, int width, int height)
boolean	loadTIFF(InputStream in)
boolean	loadTIFF(String filename)
static JFImage[]	loadTIFFs(InputStream in)
boolean	loadXPM(InputStream in)
boolean	loadXPM(String filename)
void	oval(int x, int y, int w, int h, int clr)	Draw a circle/oval
void	paint(Graphics g)	Paint this image onto Graphics.
void	paintIcon(Component c, Graphics g, int x, int y)
void	print(Font fnt, int x, int y, String txt, int clr)	Draws text in font at x,y in clr
void	putAlpha(int x, int y, int lvl)	Sets alpha value at x,y
void	putAlphaLayer(int[] px)	Puts alpha Layer from grey scale
void	putJFImage(JFImage img, int x, int y)	Puts pixels .
void	putJFImageBlend(JFImage img, int x, int y, boolean keepAlpha)	Puts pixels blending using img alpha (dest alpha is ignored)
void	putJFImageKeyClr(JFImage img, int x, int y, int keyClr)	Puts pixels unless src pixel == keyclr
void	putJFImageScale(JFImage img, int x, int y, int width, int height)	Puts pixels scaling image to fit
void	putLayer(int[] px, int bits)	Puts color Layer (RGB) : (pixels OR bits)
void	putPixel(int x, int y, int c)	Draws one pixel using rgb value (alpha assumed opaque)
void	putPixel(int x, int y, int r, int g, int b)	Draws one pixel using r,g,b values (alpha assumed opaque)
void	putPixels(int[] src, int x, int y, int w, int h, int srcOffset)	Puts pixels
void	putPixels(int[] src, int x, int y, int w, int h, int srcOffset, int srcScanSize)	Puts pixels (supports padding at end of each scan line)
void	putPixelsBlend(int[] px, int x, int y, int w, int h, int srcOffset, int srcScansize, boolean keepAlpha)	Puts pixels blending using src alpha (dest alpha is ignored).
void	putPixelsBlendKeyClr(int[] px, int x, int y, int w, int h, int srcOffset, int srcScansize, boolean keepAlpha, int keyclr)	Puts pixels blending using src alpha (dest alpha is ignored) unless src pixel == keyclr.
void	putPixelsKeyClr(int[] px, int x, int y, int w, int h, int offset, int keyclr)	Put Pixels unless src pixel == keyclr
boolean	save(OutputStream out, String fmt)
boolean	save(String filename, String fmt)
boolean	saveBMP(OutputStream out)
boolean	saveBMP(String filename)
boolean	saveICNS(OutputStream out)	save icns (Mac icon)
boolean	saveICNS(String filename)	save icns (Mac icon)
boolean	saveICO(OutputStream out)
boolean	saveICO(String filename)
boolean	saveJPG(OutputStream out)
boolean	saveJPG(String filename)
static boolean	savemulti(OutputStream os, JFImage[] imgs, String format)
boolean	savePNG(OutputStream out)
boolean	savePNG(String filename)
boolean	saveSVG(OutputStream out)
boolean	saveSVG(String filename)
boolean	saveTIFF(OutputStream out)
boolean	saveTIFF(String filename)
static boolean	saveTIFFs(OutputStream out, JFImage[] imgs)
void	setBounds(int x, int y, int w, int h)
void	setBufferedImage(BufferedImage bi)	Replaced BufferedImage.
void	setFont(Font font)	Sets the font in the Graphics object (if this JFImage is used as a JComponent)
void	setImageSize(int x, int y)
void	setResizeOperation(JFImage.ResizeOperation ro)	Controls how this image is resized by layout managers.
void	setSize(int x, int y)
void	setSize(Dimension d)
void	vline(int x, int y1, int y2, int clr)	Draw a vertical line

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getUI, getUIClassID, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getX, getY, grabFocus, hide, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingOrigin, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, paramString, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update, updateUI

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusDownCycle, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getAccessibleContext, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, resize, resize, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setMixingCutoutShape, setName, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Field Details

ALPHA_MASK

public static final int ALPHA_MASK

See Also:

• Constant Field Values

OPAQUE

public static final int OPAQUE

See Also:

• Constant Field Values

TRANSPARENT

public static final int TRANSPARENT

See Also:

• Constant Field Values

RED_MASK

public static final int RED_MASK

See Also:

• Constant Field Values

GREEN_MASK

public static final int GREEN_MASK

See Also:

• Constant Field Values

BLUE_MASK

public static final int BLUE_MASK

See Also:

• Constant Field Values

RGB_MASK

public static final int RGB_MASK

See Also:

• Constant Field Values

Constructor Details

JFImage

public JFImage()

JFImage

public JFImage(boolean alpha)

JFImage

public JFImage(int x,
 int y)

JFImage

public JFImage(int x,
 int y,
 boolean alpha)

Method Details

setImageSize

public void setImageSize(int x,
 int y)

setBounds

public void setBounds(int x,
 int y,
 int w,
 int h)

Overrides:

setBounds in class Component

setSize

public void setSize(int x,
 int y)

Overrides:

setSize in class Component

setSize

public void setSize(Dimension d)

Overrides:

setSize in class Component

setResizeOperation

public void setResizeOperation(JFImage.ResizeOperation ro)

Controls how this image is resized by layout managers.

getImage

public Image getImage()

getBufferedImage

public BufferedImage getBufferedImage()

setBufferedImage

public void setBufferedImage(BufferedImage bi)

Replaced BufferedImage. Must be TYPE_INT_ARGB or TYPE_INT_RGB type.

Parameters:

bi - - new BufferedImage

getGraphics

public Graphics getGraphics()

Overrides:

getGraphics in class JComponent

getGraphics2D

public Graphics2D getGraphics2D()

paint

public void paint(Graphics g)

Paint this image onto Graphics.

Overrides:

paint in class JComponent

getWidth

public int getWidth()

Overrides:

getWidth in class JComponent

getHeight

public int getHeight()

Overrides:

getHeight in class JComponent

load

public boolean load(InputStream in)

save

public boolean save(OutputStream out,
 String fmt)

load

public boolean load(String filename)

save

public boolean save(String filename,
 String fmt)

loadmulti

public static JFImage[] loadmulti(InputStream is)

savemulti

public static boolean savemulti(OutputStream os,
 JFImage[] imgs,
 String format)

loadJPG

public boolean loadJPG(InputStream in)

saveJPG

public boolean saveJPG(OutputStream out)

loadJPG

public boolean loadJPG(String filename)

saveJPG

public boolean saveJPG(String filename)

loadPNG

public boolean loadPNG(InputStream in)

savePNG

public boolean savePNG(OutputStream out)

loadPNG

public boolean loadPNG(String filename)

savePNG

public boolean savePNG(String filename)

loadBMP

public boolean loadBMP(String filename,
 int index)

saveBMP

public boolean saveBMP(String filename)

loadBMP

public boolean loadBMP(InputStream in,
 int index)

saveBMP

public boolean saveBMP(OutputStream out)

saveICO

public boolean saveICO(String filename)

saveICO

public boolean saveICO(OutputStream out)

saveICNS

public boolean saveICNS(String filename)

save icns (Mac icon)

saveICNS

public boolean saveICNS(OutputStream out)

save icns (Mac icon)

loadSVG

public boolean loadSVG(String filename,
 int width,
 int height)

saveSVG

public boolean saveSVG(String filename)

loadSVG

public boolean loadSVG(InputStream in,
 int width,
 int height)

saveSVG

public boolean saveSVG(OutputStream out)

loadXPM

public boolean loadXPM(String filename)

loadXPM

public boolean loadXPM(InputStream in)

loadTIFF

public boolean loadTIFF(InputStream in)

saveTIFF

public boolean saveTIFF(OutputStream out)

loadTIFF

public boolean loadTIFF(String filename)

saveTIFF

public boolean saveTIFF(String filename)

loadTIFFs

public static JFImage[] loadTIFFs(InputStream in)

saveTIFFs

public static boolean saveTIFFs(OutputStream out,
 JFImage[] imgs)

putJFImage

public void putJFImage(JFImage img,
 int x,
 int y)

Puts pixels .

putJFImageKeyClr

public void putJFImageKeyClr(JFImage img,
 int x,
 int y,
 int keyClr)

Puts pixels unless src pixel == keyclr

putJFImageBlend

public void putJFImageBlend(JFImage img,
 int x,
 int y,
 boolean keepAlpha)

Puts pixels blending using img alpha (dest alpha is ignored)

putJFImageScale

public void putJFImageScale(JFImage img,
 int x,
 int y,
 int width,
 int height)

Puts pixels scaling image to fit

getJFImage

public JFImage getJFImage(int x,
 int y,
 int w,
 int h)

Returns an area of this image as a new JFImage.

putPixel

public void putPixel(int x,
 int y,
 int r,
 int g,
 int b)

Draws one pixel using r,g,b values (alpha assumed opaque)

putPixel

public void putPixel(int x,
 int y,
 int c)

Draws one pixel using rgb value (alpha assumed opaque)

getPixel

public int getPixel(int x,
 int y)

Returns rgb value of pixel at x,y

getAlpha

public int getAlpha(int x,
 int y)

Returns alpha value of pixel at x,y

putAlpha

public void putAlpha(int x,
 int y,
 int lvl)

Sets alpha value at x,y

putPixels

public void putPixels(int[] src,
 int x,
 int y,
 int w,
 int h,
 int srcOffset)

Puts pixels

putPixels

public void putPixels(int[] src,
 int x,
 int y,
 int w,
 int h,
 int srcOffset,
 int srcScanSize)

Puts pixels (supports padding at end of each scan line)

putPixelsKeyClr

public void putPixelsKeyClr(int[] px,
 int x,
 int y,
 int w,
 int h,
 int offset,
 int keyclr)

Put Pixels unless src pixel == keyclr

putPixelsBlend

public void putPixelsBlend(int[] px,
 int x,
 int y,
 int w,
 int h,
 int srcOffset,
 int srcScansize,
 boolean keepAlpha)

Puts pixels blending using src alpha (dest alpha is ignored). if keepAlpha is true then dest alpha is preserved. if keepAlpha is false then src alpha is copied to dest.

putPixelsBlendKeyClr

public void putPixelsBlendKeyClr(int[] px,
 int x,
 int y,
 int w,
 int h,
 int srcOffset,
 int srcScansize,
 boolean keepAlpha,
 int keyclr)

Puts pixels blending using src alpha (dest alpha is ignored) unless src pixel == keyclr. if keepAlpha is true then dest alpha is preserved. if keepAlpha is false then src alpha is copied to dest.

getPixels

public int[] getPixels(int x,
 int y,
 int w,
 int h)

Gets a rectangle of pixels (including alpha)

getPixels

public int[] getPixels()

Returns a copy of the buffer

getBuffer

public int[] getBuffer()

Returns the data buffer

clear

public void clear()

Clears the image to black with opaque alpha.

fill

public void fill(int x,
 int y,
 int w,
 int h,
 int clr)

Fills a rectangle with clr (assumes OPAQUE alpha)

fill

public void fill(int x,
 int y,
 int w,
 int h,
 int clr,
 boolean hasAlpha)

Fills a rectangle with clr

fillAlpha

public void fillAlpha(int x,
 int y,
 int w,
 int h,
 int lvl)

Fills the alpha channel with lvl (doesn't touch rgb values)

fillAlphaKeyClr

public void fillAlphaKeyClr(int x,
 int y,
 int w,
 int h,
 int lvl,
 int keyClr)

Fills alpha channel with lvl ONLY where dest pixel == keyClr

box

public void box(int x,
 int y,
 int w,
 int h,
 int clr)

Draw a rectangle outline in clr (assumes opaque).

hline

public void hline(int x1,
 int x2,
 int y,
 int clr)

Draw a horizontal line

vline

public void vline(int x,
 int y1,
 int y2,
 int clr)

Draw a vertical line

line

public void line(int x1,
 int y1,
 int x2,
 int y2,
 int clr)

Draw a line

oval

public void oval(int x,
 int y,
 int w,
 int h,
 int clr)

Draw a circle/oval

arc

public void arc(int x,
 int y,
 int w,
 int h,
 int startAngle,
 int arcAngle,
 int clr)

Draw an arc

fillOval

public void fillOval(int x,
 int y,
 int w,
 int h,
 int clr)

Draw a filled circle/oval

fillArc

public void fillArc(int x,
 int y,
 int w,
 int h,
 int startAngle,
 int arcAngle,
 int clr)

Draw a filled arc

getFontMetrics

public int[] getFontMetrics(Font fnt,
 String txt)

Returns font metrics for a given font/text.

Parameters:

fnt - - Font

txt - - sample text

Returns:

[0] = width required to draw text in font [1] = ascent [2] = descent NOTE : total height required = ascent + descent Note : add ascent to y coordinate of print() to start printing below your coordinates For a static version see JF.java

print

public void print(Font fnt,
 int x,
 int y,
 String txt,
 int clr)

Draws text in font at x,y in clr

setFont

public void setFont(Font font)

Sets the font in the Graphics object (if this JFImage is used as a JComponent)

Overrides:

setFont in class JComponent

getIconHeight

public int getIconHeight()

Specified by:

getIconHeight in interface Icon

getIconWidth

public int getIconWidth()

Specified by:

getIconWidth in interface Icon

paintIcon

public void paintIcon(Component c,
 Graphics g,
 int x,
 int y)

Specified by:

paintIcon in interface Icon

createScreenCapture

public static JFImage createScreenCapture()

Uses java.awt.Robot to capture and return a screen image.

createScreenCapture

public static JFImage createScreenCapture(GraphicsDevice device)

Uses java.awt.Robot to capture and return a screen image.

createScreenCapture

public static JFImage createScreenCapture(Rectangle rect)

Uses java.awt.Robot to capture and return a screen image of specified rectangle.

createScreenCapture

public static JFImage createScreenCapture(GraphicsDevice device,
 Rectangle rect)

Uses java.awt.Robot to capture and return a screen image of specified rectangle.

getLayer

public int[] getLayer(int bits)

Gets color Layer (RGB) : pixels AND bits

putLayer

public void putLayer(int[] px,
 int bits)

Puts color Layer (RGB) : (pixels OR bits)

getAlphaLayer

public int[] getAlphaLayer()

Gets alpha Layer as grey scale

putAlphaLayer

public void putAlphaLayer(int[] px)

Puts alpha Layer from grey scale