CADI.Viewer.Display
Class ThumbnailDisplay

java.lang.Object
  java.awt.Component
      java.awt.Container
          javax.swing.JComponent
              javax.swing.JPanel
                  CADI.Viewer.Display.ThumbnailDisplay

All Implemented Interfaces:

java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, javax.accessibility.Accessible

public class ThumbnailDisplay
extends javax.swing.JPanel

This class implements a thumbnail displayer. If the size of thumbnail image is greater than the drawing area size, the thumbnail image is fit to the drawing area size.

Usage example:
constructor
setThumbnail
movePanner

Version:

1.0.1 2008/01/16

Author:

Group on Interactive Coding of Images (GICI)

See Also:

Serialized Form

Nested Class Summary

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

javax.swing.JPanel.AccessibleJPanel

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

javax.swing.JComponent.AccessibleJComponent

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

java.awt.Container.AccessibleAWTContainer

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

java.awt.Component.AccessibleAWTComponent, java.awt.Component.BaselineResizeBehavior, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy

Field Summary

private java.awt.image.BufferedImage	bufferedImage Is the thumbnail image.
private int	dx1 The x coordinate of the first corner of the destination rectangle.
private int	dx2 The x coordinate of the second corner of the destination rectangle.
private int	dy1 The y coordinate of the first corner of the destination rectangle.
private int	dy2 The y coordinate of the second corner of the destination rectangle.
private int	height Height of the panel
private java.awt.Insets	insets Insets of the panel.
private java.awt.Rectangle	panner Are the panner coordinates (origin and size).
private java.awt.Color	pannerColor Is the color that will be used to display the panner.
private javax.swing.JFrame	parent Reference to the parent window.
private boolean	setThumnailImage Indicates whether the thumbnail image is available or not.
private int	sx1 The x coordinate of the first corner of the source rectangle.
private int	sx2 The x coordinate of the second corner of the source rectangle.
private int	sy1 The y coordinate of the first corner of the source rectangle.
private int	sy2 The y coordinate of the second corner of the source rectangle.
private int	width Width of the panel

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

ThumbnailDisplay(javax.swing.JFrame parent, int width, int height)
Constructor.

Method Summary

void	clear() Clears the thumbnail display.
private void	createAndShowGUI() Display the DrawingPanel with BufferedImage on the applet.
private java.awt.image.BufferedImage	createView(java.awt.image.BufferedImage bImage) Creates a new view of the raster image that fits to the thumbnail display window.
private void	displayImage() Build a BufferedImage from a pixel array.
java.awt.Dimension	getDisplaySize() Returns the size of the area where thumbnail is displayed.
java.awt.Dimension	getImageSize() Returns the image size.
java.awt.Dimension	getSize()
protected void	movePanner(int imgWidth, int imgHeight, int x, int y, int width, int height) Moves the panner window on the thumbnail image to the new position and size.
void	paintComponent(java.awt.Graphics g)
void	setThumbnail(java.awt.image.BufferedImage bufferedImage) Sets a new thumbnail to be displayed.

Methods inherited from class javax.swing.JPanel

getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI

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, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintImmediately, paintImmediately, 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

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, 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

parent

private javax.swing.JFrame parent

Reference to the parent window.

width

private int width

Width of the panel

height

private int height

Height of the panel

bufferedImage

private java.awt.image.BufferedImage bufferedImage

Is the thumbnail image.

panner

private java.awt.Rectangle panner

Are the panner coordinates (origin and size).

pannerColor

private final java.awt.Color pannerColor

Is the color that will be used to display the panner.

See Also:

panner

insets

private java.awt.Insets insets

Insets of the panel.

dx1

private int dx1

The x coordinate of the first corner of the destination rectangle.

See Also:

Graphics.drawImage(java.awt.Image, int, int, int, int, int, int, int, int, java.awt.image.ImageObserver)

dy1

private int dy1

The y coordinate of the first corner of the destination rectangle.

See Also:

Graphics.drawImage(java.awt.Image, int, int, int, int, int, int, int, int, java.awt.image.ImageObserver)

dx2

private int dx2

The x coordinate of the second corner of the destination rectangle.

See Also:

Graphics.drawImage(java.awt.Image, int, int, int, int, int, int, int, int, java.awt.image.ImageObserver)

dy2

private int dy2

The y coordinate of the second corner of the destination rectangle.

See Also:

Graphics.drawImage(java.awt.Image, int, int, int, int, int, int, int, int, java.awt.image.ImageObserver)

sx1

private int sx1

The x coordinate of the first corner of the source rectangle.

See Also:

Graphics.drawImage(java.awt.Image, int, int, int, int, int, int, int, int, java.awt.image.ImageObserver)

sy1

private int sy1

The y coordinate of the first corner of the source rectangle.

See Also:

Graphics.drawImage(java.awt.Image, int, int, int, int, int, int, int, int, java.awt.image.ImageObserver)

sx2

private int sx2

The x coordinate of the second corner of the source rectangle.

See Also:

Graphics.drawImage(java.awt.Image, int, int, int, int, int, int, int, int, java.awt.image.ImageObserver)

sy2

private int sy2

The y coordinate of the second corner of the source rectangle.

See Also:

Graphics.drawImage(java.awt.Image, int, int, int, int, int, int, int, int, java.awt.image.ImageObserver)

setThumnailImage

private boolean setThumnailImage

Indicates whether the thumbnail image is available or not. The image will be available if the setThumbnail(BufferedImage) method has been called.

Constructor Detail

ThumbnailDisplay

public ThumbnailDisplay(javax.swing.JFrame parent,
                        int width,
                        int height)

Constructor.

Parameters:

parent - reference to the parent window.

width - width of the panel

height - height of the panel

Method Detail

setThumbnail

public void setThumbnail(java.awt.image.BufferedImage bufferedImage)

Sets a new thumbnail to be displayed.

Parameters:

bufferedImage - the new thumbnail image.

clear

public void clear()

Clears the thumbnail display.

movePanner

protected void movePanner(int imgWidth,
                          int imgHeight,
                          int x,
                          int y,
                          int width,
                          int height)

Moves the panner window on the thumbnail image to the new position and size.

The coordinates which are passed in this method are referred to the original image. The dimensions of the original image are also passed to the method.

Parameters:

imgWidth - width of the original image

imgHeight - height of the original image

x - x coordinate in the original image

y - y corrdinate in the original image

width - width in the original image

height - height in the original image

paintComponent

public void paintComponent(java.awt.Graphics g)

Overrides:

paintComponent in class javax.swing.JComponent

getSize

public java.awt.Dimension getSize()

Overrides:

getSize in class java.awt.Component

getDisplaySize

public java.awt.Dimension getDisplaySize()

Returns the size of the area where thumbnail is displayed.

Returns:

size of the displayer area.

getImageSize

public java.awt.Dimension getImageSize()

Returns the image size.

Returns:

the size of the image.

createAndShowGUI

private void createAndShowGUI()

Display the DrawingPanel with BufferedImage on the applet.

displayImage

private void displayImage()

Build a BufferedImage from a pixel array.

createView

private java.awt.image.BufferedImage createView(java.awt.image.BufferedImage bImage)

Creates a new view of the raster image that fits to the thumbnail display window. If the image size is greater than the window size, image is scaled to fit the window size keeping the aspect ratio. Otherwise, do nothing.

Parameters:

bImage - image to be scaled.

Returns:

scaled image.