java.lang.Object
- java.awt.Component
- - java.awt.Container
  - - java.awt.Window
    - - java.awt.Dialog
      - net.sourceforge.jiu.gui.awt.dialogs.ReduceGrayscaleDialog

All Implemented Interfaces:

ActionListener, AdjustmentListener, ImageObserver, MenuContainer, Serializable, EventListener, Accessible
```
public class ReduceGrayscaleDialog
extends Dialog
implements ActionListener, AdjustmentListener
```
A dialog to enter the parameters for a grayscale reduction operation.

Author:

Marco Schmidt

See Also:

Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from class java.awt.Dialog
  Dialog.AccessibleAWTDialog, Dialog.ModalExclusionType, Dialog.ModalityType
- Nested classes/interfaces inherited from class java.awt.Window
  Window.AccessibleAWTWindow, Window.Type
- 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
`private Label`	`bitLabel`
`private Button`	`cancel`
`int[][]`	`DITHERING_METHODS`
`private Choice`	`ditheringMethod`
`private Button`	`ok`
`private boolean`	`pressedOk`
`private Scrollbar`	`scrollbar`
`private Label`	`shadesLabel`
`private Strings`	`strings`
`static int`	`TYPE_BURKES_ERROR_DIFFUSION`
`static int`	`TYPE_DITHERING_NONE`
`static int`	`TYPE_FLOYD_STEINBERG_ERROR_DIFFUSION`
`static int`	`TYPE_JARVIS_JUDICE_NINKE_ERROR_DIFFUSION`
`static int`	`TYPE_ORDERED_DITHERING`
`static int`	`TYPE_SIERRA_ERROR_DIFFUSION`
`static int`	`TYPE_STEVENSON_ARCE_ERROR_DIFFUSION`
`static int`	`TYPE_STUCKI_ERROR_DIFFUSION`

Fields inherited from class java.awt.Dialog
DEFAULT_MODALITY_TYPE

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
`ReduceGrayscaleDialog(Frame owner, Strings strings, int bits, int maxBits, int ditheringMethodSelection)`	Creates a modal dialog to enter the parameters.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`actionPerformed(ActionEvent e)`	Hides (closes) this dialog if the OK button was source of the action event (e.g.
`void`	`adjustmentValueChanged(AdjustmentEvent e)`
`void`	`center()`	Centers the dialog on screen.
`int`	`getDitheringMethod()`
`int`	`getNumBits()`
`boolean`	`hasPressedOk()`
`private void`	`updateLabels()`

Methods inherited from class java.awt.Dialog
addNotify, getAccessibleContext, getModalityType, getTitle, hide, isModal, isResizable, isUndecorated, paramString, setBackground, setModal, setModalityType, setOpacity, setResizable, setShape, setTitle, setUndecorated, setVisible, show, toBack

Methods inherited from class java.awt.Window
addPropertyChangeListener, addPropertyChangeListener, addWindowFocusListener, addWindowListener, addWindowStateListener, applyResourceBundle, applyResourceBundle, createBufferStrategy, createBufferStrategy, dispose, getBackground, getBufferStrategy, getFocusableWindowState, getFocusCycleRootAncestor, getFocusOwner, getFocusTraversalKeys, getIconImages, getInputContext, getListeners, getLocale, getModalExclusionType, getMostRecentFocusOwner, getOpacity, getOwnedWindows, getOwner, getOwnerlessWindows, getShape, getToolkit, getType, getWarningString, getWindowFocusListeners, getWindowListeners, getWindows, getWindowStateListeners, isActive, isAlwaysOnTop, isAlwaysOnTopSupported, isAutoRequestFocus, isFocusableWindow, isFocusCycleRoot, isFocused, isLocationByPlatform, isOpaque, isShowing, isValidateRoot, pack, paint, postEvent, processEvent, processWindowEvent, processWindowFocusEvent, processWindowStateEvent, removeNotify, removeWindowFocusListener, removeWindowListener, removeWindowStateListener, reshape, setAlwaysOnTop, setAutoRequestFocus, setBounds, setBounds, setCursor, setFocusableWindowState, setFocusCycleRoot, setIconImage, setIconImages, setLocation, setLocation, setLocationByPlatform, setLocationRelativeTo, setMinimumSize, setModalExclusionType, setSize, setSize, setType, toFront

Methods inherited from class java.awt.Container
add, add, add, add, add, addContainerListener, addImpl, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalPolicy, getInsets, getLayout, getMaximumSize, getMinimumSize, getMousePosition, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, print, printComponents, processContainerEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusTraversalKeys, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setFont, setLayout, transferFocusDownCycle, update, 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, contains, createImage, createImage, createVolatileImage, createVolatileImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBaseline, getBaselineResizeBehavior, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, requestFocusInWindow, resize, resize, revalidate, setComponentOrientation, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setMaximumSize, setMixingCutoutShape, setName, setPreferredSize, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle

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

- Field Detail
  - TYPE_DITHERING_NONE
```
public static final int TYPE_DITHERING_NONE
```
    See Also:
    
    Constant Field Values
  - TYPE_ORDERED_DITHERING
```
public static final int TYPE_ORDERED_DITHERING
```
    See Also:
    
    Constant Field Values
  - TYPE_FLOYD_STEINBERG_ERROR_DIFFUSION
```
public static final int TYPE_FLOYD_STEINBERG_ERROR_DIFFUSION
```
    See Also:
    
    Constant Field Values
  - TYPE_STUCKI_ERROR_DIFFUSION
```
public static final int TYPE_STUCKI_ERROR_DIFFUSION
```
    See Also:
    
    Constant Field Values
  - TYPE_BURKES_ERROR_DIFFUSION
```
public static final int TYPE_BURKES_ERROR_DIFFUSION
```
    See Also:
    
    Constant Field Values
  - TYPE_SIERRA_ERROR_DIFFUSION
```
public static final int TYPE_SIERRA_ERROR_DIFFUSION
```
    See Also:
    
    Constant Field Values
  - TYPE_JARVIS_JUDICE_NINKE_ERROR_DIFFUSION
```
public static final int TYPE_JARVIS_JUDICE_NINKE_ERROR_DIFFUSION
```
    See Also:
    
    Constant Field Values
  - TYPE_STEVENSON_ARCE_ERROR_DIFFUSION
```
public static final int TYPE_STEVENSON_ARCE_ERROR_DIFFUSION
```
    See Also:
    
    Constant Field Values
  - DITHERING_METHODS
```
public final int[][] DITHERING_METHODS
```
  - strings
```
private Strings strings
```
  - ok
```
private Button ok
```
  - cancel
```
private Button cancel
```
  - scrollbar
```
private Scrollbar scrollbar
```
  - ditheringMethod
```
private Choice ditheringMethod
```
  - bitLabel
```
private Label bitLabel
```
  - shadesLabel
```
private Label shadesLabel
```
  - pressedOk
```
private boolean pressedOk
```
- Constructor Detail
  - ReduceGrayscaleDialog
```
public ReduceGrayscaleDialog(Frame owner,
                             Strings strings,
                             int bits,
                             int maxBits,
                             int ditheringMethodSelection)
```
    Creates a modal dialog to enter the parameters.
    
    Parameters:
    
    owner - the parent of this modal dialog
    
    strings - an object to get String constants in the current language
    
    bits - initial number of bits to be shown in the dialog
    
    maxBits - maximum allowed number of bits
    
    ditheringMethodSelection - initial selection of dithering method
- Method Detail
  - actionPerformed
```
public void actionPerformed(ActionEvent e)
```
    Hides (closes) this dialog if the OK button was source of the action event (e.g. if the button was pressed).
    
    Specified by:
    
    actionPerformed in interface ActionListener
  - adjustmentValueChanged
```
public void adjustmentValueChanged(AdjustmentEvent e)
```
    Specified by:
    
    adjustmentValueChanged in interface AdjustmentListener
  - center
```
public void center()
```
    Centers the dialog on screen.
  - getDitheringMethod
```
public int getDitheringMethod()
```
  - getNumBits
```
public int getNumBits()
```
  - hasPressedOk
```
public boolean hasPressedOk()
```
  - updateLabels
```
private void updateLabels()
```

Class ReduceGrayscaleDialog

Nested Class Summary

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

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

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

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

Field Summary

Fields inherited from class java.awt.Dialog

Fields inherited from class java.awt.Component

Fields inherited from interface java.awt.image.ImageObserver

Constructor Summary

Method Summary

Methods inherited from class java.awt.Dialog

Methods inherited from class java.awt.Window

Methods inherited from class java.awt.Container

Methods inherited from class java.awt.Component

Methods inherited from class java.lang.Object

Field Detail

TYPE_DITHERING_NONE

TYPE_ORDERED_DITHERING

TYPE_FLOYD_STEINBERG_ERROR_DIFFUSION

TYPE_STUCKI_ERROR_DIFFUSION

TYPE_BURKES_ERROR_DIFFUSION

TYPE_SIERRA_ERROR_DIFFUSION

TYPE_JARVIS_JUDICE_NINKE_ERROR_DIFFUSION

TYPE_STEVENSON_ARCE_ERROR_DIFFUSION

DITHERING_METHODS

strings

ok

cancel

scrollbar

ditheringMethod

bitLabel

shadesLabel

pressedOk

Constructor Detail

ReduceGrayscaleDialog

Method Detail

actionPerformed

adjustmentValueChanged

center

getDitheringMethod

getNumBits

hasPressedOk

updateLabels