com.webobjects.eointerface.swing
Class EOImageView

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--javax.swing.JComponent
                    |
                    +--com.webobjects.eointerface.swing.EOImageView

All Implemented Interfaces:

ImageObserver, MenuContainer, Serializable

public class EOImageView

extends JComponent

The EOImageView class is used to display images (java.awt.Image objects) in Swing user interfaces.

See Also:

Serialized Form

Field Summary

static int	ScaleNone This constant is used to specify that images should not be scaled depending on the component size.
static int	ScaleProportionally This constant is used to specify that images should be scaled proportionally to the component size.
static int	ScaleProportionallyIfTooLarge This constant is used to specify that images should be scaled to proportionally so that the larger dimension fits the component size.
static int	ScaleToFit This constant is used to specify that images should be scaled to fit exactly the component 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

EOImageView()
Constructs a new EOImageView with ScaleProportionallyIfTooLarge scaling and java.awt.Image.SCALE_SMOOTH scaling hints.

Method Summary

Image	image() Returns the receiver's image.
int	imageScaling() Returns the receiver's image scaling mode.
boolean	imageUpdate(Image image, int flags, int x, int y, int width, int height) Repaints the receiver if the image has changes (for example when scaling).
void	paint(Graphics graphics) Paints the image view.
int	scalingHints() Returns the receiver's image scaling hints.
void	setBorder(Border border) Sets the receiver's border to border.
void	setBounds(int x, int y, int width, int height) Sets the receiver's bounds.
void	setImage(Image image) Sets the receiver's image to image and repaints if necessary.
void	setImageScaling(int imageScaling) Sets the receiver's image scaling mode to imageScaling.
void	setScalingHints(int scalingHints) Sets the receiver's image scaling hints to scalingHints.

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addPropertyChangeListener, addPropertyChangeListener, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getAccessibleContext, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getGraphics, getHeight, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPreferredSize, getPropertyChangeListeners, getPropertyChangeListeners, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getUIClassID, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isPreferredSizeSet, isRequestFocusEnabled, isValidateRoot, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, paramString, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFont, setForeground, 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, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, 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, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, 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, processMouseEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, repaint, repaint, repaint, resize, resize, 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

ScaleNone

public static final int ScaleNone

This constant is used to specify that images should not be scaled depending on the component size.

See Also:

Constant Field Values

ScaleProportionally

public static final int ScaleProportionally

This constant is used to specify that images should be scaled proportionally to the component size.

See Also:

Constant Field Values

ScaleProportionallyIfTooLarge

public static final int ScaleProportionallyIfTooLarge

This constant is used to specify that images should be scaled to proportionally so that the larger dimension fits the component size.

See Also:

Constant Field Values

ScaleToFit

public static final int ScaleToFit

This constant is used to specify that images should be scaled to fit exactly the component size.

See Also:

Constant Field Values

Constructor Detail

EOImageView

public EOImageView()

Constructs a new EOImageView with ScaleProportionallyIfTooLarge scaling and java.awt.Image.SCALE_SMOOTH scaling hints.

See Also:

ScaleProportionallyIfTooLarge, Image.SCALE_SMOOTH

Method Detail

image

public Image image()

Returns the receiver's image.

Returns:

the image

imageScaling

public int imageScaling()

Returns the receiver's image scaling mode. Possible values are ScaleNone, ScaleProportionally, ScaleToFit, and ScaleProportionallyIfTooLarge.

Returns:

the image scaling mode

See Also:

ScaleNone, ScaleProportionally, ScaleToFit, ScaleProportionallyIfTooLarge

imageUpdate

public boolean imageUpdate(Image image,
                           int flags,
                           int x,
                           int y,
                           int width,
                           int height)

Repaints the receiver if the image has changes (for example when scaling).

Specified by:

imageUpdate in interface ImageObserver

Overrides:

imageUpdate in class Component

Parameters:

image - the image

flags - info about the imge

x - the x coordinate

y - the y coordinate

width - the width

height - the height

Returns:

true if the image is completely loaded

paint

public void paint(Graphics graphics)

Paints the image view.

Overrides:

paint in class JComponent

Parameters:

graphics - the graphics context to use for painting

scalingHints

public int scalingHints()

Returns the receiver's image scaling hints. See the java.awt.Image class for possible values of scaling hints like Image.SCALE_SMOOTH or Image.SCALE_FAST.

Returns:

the image scaling hints

setBorder

public void setBorder(Border border)

Sets the receiver's border to border.

Overrides:

setBorder in class JComponent

Parameters:

border - the border

setBounds

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

Sets the receiver's bounds.

Overrides:

setBounds in class Component

Parameters:

x - the x coordinate

y - the y coordinate

width - the width

height - the height

setImage

public void setImage(Image image)

Sets the receiver's image to image and repaints if necessary.

Parameters:

image - the image

setImageScaling

public void setImageScaling(int imageScaling)

Sets the receiver's image scaling mode to imageScaling. Possible values are ScaleNone, ScaleProportionally, ScaleToFit, and ScaleProportionallyIfTooLarge.

Parameters:

imageScaling - the image scaling mode

See Also:

ScaleNone, ScaleProportionally, ScaleToFit, ScaleProportionallyIfTooLarge

setScalingHints

public void setScalingHints(int scalingHints)

Sets the receiver's image scaling hints to scalingHints. See the java.awt.Image class for possible values of scaling hints like Image.SCALE_SMOOTH or Image.SCALE_FAST.

Parameters:

scalingHints - the image scaling hints