jview
Class JImageSlice

java.lang.Object
  java.awt.Component
      java.awt.Container
          javax.swing.JComponent
              jview.JImageSlice

All Implemented Interfaces:

MouseMotionListener, ImageObserver, MenuContainer, PropertyChangeListener, Serializable, EventListener, PropertyAware, PropertyComposed

public class JImageSlice
extends JComponent
implements MouseMotionListener, PropertyChangeListener, PropertyComposed

The mouse follows the cursor and takes a slice of the viewport image assigned to the parent viewport.

See Also:

Serialized Form

Nested Class Summary

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

private JViewportCanvas	canvas The reference to the viewport.
private Point2D	center Normalized coordinates of last mouse move.
private static boolean	DEFWORKBACKGROUND Per default, we work on the background.
private static int	DEFXSLICE Default slice size.
private static int	DEFYSLICE Default slice size.
private static boolean	DEFZOOMDISPLAYED Per default, we do not consider image zooms on display.
private static int	DEFZOOMSLICE Default image slice zoom factor.
private PropertySupplying	info My properties.
static String	KEY_WORKBACKGROUND Work on background or on viewport image.
static String	KEY_XSLICE Image slice size and display size
static String	KEY_YSLICE Image slice size and display size
static String	KEY_ZOOMDISPLAYED If true, consider display zoom of sliced image
static String	KEY_ZOOMSLICE The zoom factor on the image slice.
private Dimension	mysize My size for convenience.
private Dimension	myslice My slice size for convenience.
private BufferedImage	slice The buffered image from the viewport.
private Rectangle	slicesize And the size.

Fields inherited from class javax.swing.JComponent

accessibleContext, 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

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

JImageSlice(JViewportCanvas view)
Constructs a new image slice from a viewport component.

Method Summary

PropertySupplying	getComposedProperties() Returns my properties.
Dimension	getMaximumSize() Returns the slice size.
Dimension	getMinimumSize() Returns the slice size.
Dimension	getPreferredSize() Returns the slice size.
void	mouseDragged(MouseEvent me) Called when the maous is dragged.
void	mouseMoved(MouseEvent me) Called when the mouse is moved.
void	paintComponent(Graphics g) Paints the component.
void	propertyChange(PropertyChangeEvent e) Notified when a viewport image has changed.
void	setComposedProperties(PropertySupplying prop) Constitutes my properties.

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getAccessibleContext, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getNextFocusableComponent, getPopupLocation, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getUIClassID, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, 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, setFont, 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, transferFocusBackward, 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, 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, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, 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, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Field Detail

KEY_XSLICE

public static final String KEY_XSLICE

Image slice size and display size

See Also:

Constant Field Values

KEY_YSLICE

public static final String KEY_YSLICE

Image slice size and display size

See Also:

Constant Field Values

KEY_ZOOMSLICE

public static final String KEY_ZOOMSLICE

The zoom factor on the image slice.

See Also:

Constant Field Values

KEY_WORKBACKGROUND

public static final String KEY_WORKBACKGROUND

Work on background or on viewport image.

See Also:

Constant Field Values

KEY_ZOOMDISPLAYED

public static final String KEY_ZOOMDISPLAYED

If true, consider display zoom of sliced image

See Also:

Constant Field Values

DEFXSLICE

private static final int DEFXSLICE

Default slice size.

See Also:

Constant Field Values

DEFYSLICE

private static final int DEFYSLICE

Default slice size.

See Also:

Constant Field Values

DEFZOOMSLICE

private static final int DEFZOOMSLICE

Default image slice zoom factor.

See Also:

Constant Field Values

DEFWORKBACKGROUND

private static final boolean DEFWORKBACKGROUND

Per default, we work on the background.

See Also:

Constant Field Values

DEFZOOMDISPLAYED

private static final boolean DEFZOOMDISPLAYED

Per default, we do not consider image zooms on display.

See Also:

Constant Field Values

info

private PropertySupplying info

My properties.

canvas

private JViewportCanvas canvas

The reference to the viewport.

slice

private BufferedImage slice

The buffered image from the viewport.

slicesize

private Rectangle slicesize

And the size.

mysize

private Dimension mysize

My size for convenience.

myslice

private Dimension myslice

My slice size for convenience.

center

private Point2D center

Normalized coordinates of last mouse move.

Constructor Detail

JImageSlice

public JImageSlice(JViewportCanvas view)

Constructs a new image slice from a viewport component. We register to the component as a mouse listener and a property change listener.

Method Detail

setComposedProperties

public void setComposedProperties(PropertySupplying prop)

Constitutes my properties.

Specified by:

setComposedProperties in interface PropertyAware

getComposedProperties

public PropertySupplying getComposedProperties()

Returns my properties.

Specified by:

getComposedProperties in interface PropertyComposed

getPreferredSize

public Dimension getPreferredSize()

Returns the slice size.

Overrides:

getPreferredSize in class JComponent

getMaximumSize

public Dimension getMaximumSize()

Returns the slice size.

Overrides:

getMaximumSize in class JComponent

getMinimumSize

public Dimension getMinimumSize()

Returns the slice size.

Overrides:

getMinimumSize in class JComponent

propertyChange

public void propertyChange(PropertyChangeEvent e)

Notified when a viewport image has changed.

Specified by:

propertyChange in interface PropertyChangeListener

mouseMoved

public void mouseMoved(MouseEvent me)

Called when the mouse is moved.

Specified by:

mouseMoved in interface MouseMotionListener

mouseDragged

public void mouseDragged(MouseEvent me)

Called when the maous is dragged. We do nothing here.

Specified by:

mouseDragged in interface MouseMotionListener

paintComponent

public void paintComponent(Graphics g)

Paints the component.

Overrides:

paintComponent in class JComponent