com.vistech.jai.render
Class ImageManipulatorCanvas

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--javax.swing.JComponent
                    |
                    +--com.vistech.jai.render.JAIImageCanvas
                          |
                          +--com.vistech.jai.render.RenderedImageCanvas
                                |
                                +--com.vistech.jai.render.ImageManipulatorCanvas

All Implemented Interfaces:

ImageDisplay, ImageManipulator, java.awt.image.ImageObserver, java.awt.MenuContainer, ScrollController, java.io.Serializable

Direct Known Subclasses:

CompositeCanvasJAI

public class ImageManipulatorCanvas

extends RenderedImageCanvas

implements ImageManipulator

A component class for displaying and manipulating rendered images.

Version:

2.0 18 Dec 2001

Author:

Lawrence Rodrigues

See Also:

Serialized Form

Inner classes inherited from class javax.swing.JComponent

javax.swing.JComponent.AccessibleJComponent

Inner classes inherited from class java.awt.Container

java.awt.Container.AccessibleAWTContainer

Inner classes inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent

Field Summary

protected java.awt.Image	awtImage
protected double	diffFactor
protected int	displayMode
protected int	flipMode
protected int	imageType
protected int	interpMode
protected int	magCenterX
protected int	magCenterY
protected double	magFactor
protected double	magFactorX
protected double	magFactorY
protected boolean	magOn
protected java.awt.Point	panOffset
protected boolean	rotateOn
protected double	rotationAngle
protected int	rotationCenterX
protected int	rotationCenterY
protected double	shearFactor
protected boolean	shearOn
protected double	shearX
protected double	shearY

Fields inherited from class com.vistech.jai.render.RenderedImageCanvas

colorModel, displayImage, imageHeight, imageWidth, maxTileCordX, maxTileCordY, maxTileIndexX, maxTileIndexY, minTileCordX, minTileCordY, minTileIndexX, minTileIndexY, origImage, sampleModel, tc, tileGridXOffset, tileGridYOffset, tileHeight, tileWidth, viewerHeight, viewerWidth

Fields inherited from class com.vistech.jai.render.JAIImageCanvas

atx, height, image, imageDrawn, MAX_HEIGHT, MAX_WIDTH, panX, panY, scrollAnchor, scrollOn, vpPos, width

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 com.vistech.imageviewer.ImageDisplay

TYPE_AWT_IMAGE, TYPE_BUFFERED_IMAGE

Fields inherited from interface java.awt.image.ImageObserver

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

Constructor Summary

ImageManipulatorCanvas()

Method Summary

void	applyTransform(java.awt.geom.AffineTransform atx) Applies the transform
protected void	applyTransform(java.awt.image.RenderedImage ri, java.awt.geom.AffineTransform atx)
void	createTiledImage(javax.media.jai.PlanarImage img)
void	draw(java.awt.Shape shape) Draws the specified shape on the destination image
java.awt.Image	getAWTImage() Returns the image property.
java.awt.image.BufferedImage	getBufferedImage() Returns the BufferedImage property.
java.awt.image.BufferedImage	getDisplayedImage() Returns the image displayed on the canvas.
int	getDisplayMode() Returns the display mode.
int	getFlipMode() Returns the flip mode.
boolean	getHighRes()
javax.media.jai.PlanarImage	getImage()
java.awt.Dimension	getImageSize() Returns the image size.
int	getImageType() Returns the image type property.
int	getInterpolationType()
boolean	getInvert() Returns the invert mode.
double	getMagFactor() Gets the magFactor property.
double	getMagFactorX() Gets the magFactorX property.
double	getMagFactorY() Gets the magFactorY property.
java.awt.image.BufferedImage	getOffScreenImage() Returns the off screen image.
double	getRotationAngle() Gets the rotation angle property.
double	getShearFactor()
double	getShearFactorX()
double	getShearFactorY()
void	invert(boolean on)
void	paintComponent(java.awt.Graphics gc) Paints the tiles that are visible.
boolean	paintImage() This method paints the current image i.e.; the image set by the setImage() method.
void	paintImage(int magCenterX, int magCenterY, double mag)
void	resetManipulation() Resets manipulation.
void	scroll(int x, int y) Scrolls the image.
void	setAWTImage(java.awt.Image image) Sets the image property.
void	setBufferedImage(java.awt.image.BufferedImage image) Sets the BufferedImage property.
void	setClip(java.awt.Shape clip) Sets the clip shape on the destination image
void	setDisplayImage(java.awt.image.BufferedImage image) Sets the image to be displayed on the canvas.
void	setDisplayMode(int mode) Sets the display mode.
void	setFlipMode(int mode) Sets the flip mode.
void	setHighRes(boolean onOrOff)
void	setImage(javax.media.jai.PlanarImage img) Sets the image.
void	setImageType(int imageType) Sets the image type property.
void	setInterpolationType(int mode) Sets the interpolationType property.
void	setInvert(boolean on) Sets the invert mode property.
void	setMagFactor(double magFactor) Sets the magFactor property.
void	setMagFactorX(double magFactorX) Sets the magFactorX property.
void	setMagFactorY(double magFactorY) Sets the magFactorY property.
void	setOffScreenImage(java.awt.image.BufferedImage image) Sets the off screen image.
void	setRotationAngle(double rotationAngle) Sets the rotationAngle property.
void	setShearFactor(double shearFactor) Sets the shearFactor property.
void	stopScroll() Stops scroll.

Methods inherited from class com.vistech.jai.render.RenderedImageCanvas

fireTilePropertyChange, getDisplayImage, getImageHeight, getImageWidth, getMaxTileIndexX, getMaxTileIndexY, getTileHeight, getTileInfo, getTileWidth, makeTiledImage, setTileHeight, setTileWidth

Methods inherited from class com.vistech.jai.render.JAIImageCanvas

getPanOffset, getScrollOn, getTransform, getViewportPosition, isImageDrawn, pan, reset, setPanOffset, setScrollOn, setTransform, setViewportPosition, startScroll

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, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getConditionForKeyStroke, getDebugGraphicsOptions, getGraphics, getHeight, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getUIClassID, getVerifyInputWhenFocusTarget, getVisibleRect, getWidth, getX, getY, grabFocus, hasFocus, hide, isDoubleBuffered, isFocusCycleRoot, isFocusTraversable, isLightweightComponent, isManagingFocus, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isPreferredSizeSet, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintImmediately, paintImmediately, paramString, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processFocusEvent, processKeyBinding, processKeyEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setDebugGraphicsOptions, setDoubleBuffered, setEnabled, setFont, setForeground, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update, updateUI

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getLayout, insets, invalidate, isAncestorOf, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setLayout, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, getBackground, getBounds, getColorModel, getComponentOrientation, getCursor, getDropTarget, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getInputContext, getInputMethodRequests, getLocale, getLocation, getLocationOnScreen, getName, getParent, getPeer, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, imageUpdate, inside, isDisplayable, isEnabled, isLightweight, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.vistech.imageviewer.ImageManipulator

getPanOffset, getTransform, setPanOffset, setTransform

Methods inherited from interface com.vistech.imageviewer.ImageDisplay

addMouseListener, addMouseMotionListener, addPropertyChangeListener, addVetoableChangeListener, removeMouseListener, removeMouseMotionListener, removePropertyChangeListener, removeVetoableChangeListener, setCursor

Field Detail

awtImage

protected transient java.awt.Image awtImage

imageType

protected int imageType

panOffset

protected java.awt.Point panOffset

magOn

protected boolean magOn

magFactor

protected double magFactor

magFactorX

protected double magFactorX

magFactorY

protected double magFactorY

magCenterX

protected int magCenterX

magCenterY

protected int magCenterY

rotationAngle

protected double rotationAngle

rotateOn

protected boolean rotateOn

rotationCenterX

protected int rotationCenterX

rotationCenterY

protected int rotationCenterY

shearOn

protected boolean shearOn

shearFactor

protected double shearFactor

shearX

protected double shearX

shearY

protected double shearY

displayMode

protected int displayMode

flipMode

protected int flipMode

interpMode

protected int interpMode

diffFactor

protected double diffFactor

Constructor Detail

ImageManipulatorCanvas

public ImageManipulatorCanvas()

Method Detail

getImage

public javax.media.jai.PlanarImage getImage()

Overrides:

getImage in class JAIImageCanvas

getImageSize

public java.awt.Dimension getImageSize()

Description copied from interface: ImageDisplay

Returns the image size.

Specified by:

getImageSize in interface ImageDisplay

Following copied from interface: com.vistech.imageviewer.ImageDisplay

Returns:

the image size.

setInterpolationType

public void setInterpolationType(int mode)

Description copied from interface: ImageManipulator

Sets the interpolationType property.

Specified by:

setInterpolationType in interface ImageManipulator

Following copied from interface: com.vistech.imageviewer.ImageManipulator

Parameters:

the - interpolation type

getInterpolationType

public int getInterpolationType()

Specified by:

getInterpolationType in interface ImageManipulator

setDisplayMode

public void setDisplayMode(int mode)

Description copied from interface: ImageDisplay

Sets the display mode. This is a bound property . The input parameter can be one of NORMAL, ORIG_SIZE, TO_FIT, SCALED. These constants are defined in the DisplayMode class. Call to this method would reset the viewport and the image is redarwn with new display mode.

Specified by:

setDisplayMode in interface ImageDisplay

Following copied from interface: com.vistech.imageviewer.ImageDisplay

Parameters:

dispMode - the display mode

getDisplayMode

public int getDisplayMode()

Description copied from interface: ImageDisplay

Returns the display mode.

Specified by:

getDisplayMode in interface ImageDisplay

Following copied from interface: com.vistech.imageviewer.ImageDisplay

Returns:

the current display mode.

setFlipMode

public void setFlipMode(int mode)

Description copied from interface: ImageDisplay

Sets the flip mode. This is a bound property . The input parameter can be one of NORMAL, LEFT_RIGHT, TOP_BOTTOM, LEFT_RIGHT_TOP_BOTTON. These constants are defined in the FlipMode class. Call to this method would reset the viewport and the image is redraw with new flip mode.

Specified by:

setFlipMode in interface ImageDisplay

Following copied from interface: com.vistech.imageviewer.ImageDisplay

Parameters:

flipMode - the flip mode

getFlipMode

public int getFlipMode()

Description copied from interface: ImageDisplay

Returns the flip mode.

Specified by:

getFlipMode in interface ImageDisplay

Following copied from interface: com.vistech.imageviewer.ImageDisplay

Returns:

the current flip mode.

setMagFactor

public void setMagFactor(double magFactor)

Description copied from interface: ImageManipulator

Sets the magFactor property.

Specified by:

setMagFactor in interface ImageManipulator

Following copied from interface: com.vistech.imageviewer.ImageManipulator

Parameters:

magFactor - the magnification factor.

getMagFactor

public double getMagFactor()

Description copied from interface: ImageManipulator

Gets the magFactor property.

Specified by:

getMagFactor in interface ImageManipulator

Following copied from interface: com.vistech.imageviewer.ImageManipulator

Returns:

the magFactor.

setMagFactorX

public void setMagFactorX(double magFactorX)

Description copied from interface: ImageManipulator

Sets the magFactorX property.

Specified by:

setMagFactorX in interface ImageManipulator

Following copied from interface: com.vistech.imageviewer.ImageManipulator

Parameters:

magFactor - the magnification factor in the X direction.

getMagFactorX

public double getMagFactorX()

Description copied from interface: ImageManipulator

Gets the magFactorX property.

Specified by:

getMagFactorX in interface ImageManipulator

Following copied from interface: com.vistech.imageviewer.ImageManipulator

Returns:

the magFactor.

setMagFactorY

public void setMagFactorY(double magFactorY)

Description copied from interface: ImageManipulator

Sets the magFactorY property.

Specified by:

setMagFactorY in interface ImageManipulator

Following copied from interface: com.vistech.imageviewer.ImageManipulator

Parameters:

magFactor - the magnification factor in the Y direction.

getMagFactorY

public double getMagFactorY()

Description copied from interface: ImageManipulator

Gets the magFactorY property.

Specified by:

getMagFactorY in interface ImageManipulator

Following copied from interface: com.vistech.imageviewer.ImageManipulator

Returns:

the magFactor.

setShearFactor

public void setShearFactor(double shearFactor)

Description copied from interface: ImageManipulator

Sets the shearFactor property.

Specified by:

setShearFactor in interface ImageManipulator

Following copied from interface: com.vistech.imageviewer.ImageManipulator

Parameters:

shearFactor - the shearFactor property.

getShearFactor

public double getShearFactor()

Specified by:

getShearFactor in interface ImageManipulator

Following copied from interface: com.vistech.imageviewer.ImageManipulator

Returns:

the shearFactor.

getShearFactorX

public double getShearFactorX()

getShearFactorY

public double getShearFactorY()

setRotationAngle

public void setRotationAngle(double rotationAngle)

Description copied from interface: ImageManipulator

Sets the rotationAngle property.

Specified by:

setRotationAngle in interface ImageManipulator

Following copied from interface: com.vistech.imageviewer.ImageManipulator

Parameters:

rotationAngle - the rotation angle

getRotationAngle

public double getRotationAngle()

Description copied from interface: ImageManipulator

Gets the rotation angle property.

Specified by:

getRotationAngle in interface ImageManipulator

Following copied from interface: com.vistech.imageviewer.ImageManipulator

Returns:

the rotation angle.

setHighRes

public void setHighRes(boolean onOrOff)

getHighRes

public boolean getHighRes()

paintImage

public void paintImage(int magCenterX,
                       int magCenterY,
                       double mag)

applyTransform

protected void applyTransform(java.awt.image.RenderedImage ri,
                              java.awt.geom.AffineTransform atx)

applyTransform

public void applyTransform(java.awt.geom.AffineTransform atx)

Description copied from interface: ImageManipulator

Applies the transform

Specified by:

applyTransform in interface ImageManipulator

Following copied from interface: com.vistech.imageviewer.ImageManipulator

Parameters:

the - transform.

createTiledImage

public void createTiledImage(javax.media.jai.PlanarImage img)

resetManipulation

public void resetManipulation()

Description copied from interface: ImageManipulator

Resets manipulation.

Specified by:

resetManipulation in interface ImageManipulator

paintComponent

public void paintComponent(java.awt.Graphics gc)

Description copied from class: RenderedImageCanvas

Paints the tiles that are visible. This method first computes only the tiles that are visible. Each of the tiles is converted into a BufferedImage object, which is then drawn over the components graphics context.

Overrides:

paintComponent in class RenderedImageCanvas

Following copied from class: com.vistech.jai.render.RenderedImageCanvas

Parameters:

gc - the graphics context.

setAWTImage

public void setAWTImage(java.awt.Image image)

Description copied from interface: ImageDisplay

Sets the image property. If the input parameter is not null, the it becomes the current image. This is a bound property.

Specified by:

setAWTImage in interface ImageDisplay

Following copied from interface: com.vistech.imageviewer.ImageDisplay

Parameters:

image - the image object

getAWTImage

public java.awt.Image getAWTImage()

Description copied from interface: ImageDisplay

Returns the image property.

Specified by:

getAWTImage in interface ImageDisplay

Following copied from interface: com.vistech.imageviewer.ImageDisplay

Returns:

the image object

setImageType

public void setImageType(int imageType)

Description copied from interface: ImageDisplay

Sets the image type property.

Specified by:

setImageType in interface ImageDisplay

Following copied from interface: com.vistech.imageviewer.ImageDisplay

Parameters:

imageType - the image type.

getImageType

public int getImageType()

Description copied from interface: ImageDisplay

Returns the image type property.

Specified by:

getImageType in interface ImageDisplay

Following copied from interface: com.vistech.imageviewer.ImageDisplay

Returns:

the image type.

setClip

public void setClip(java.awt.Shape clip)

Description copied from interface: ImageDisplay

Sets the clip shape on the destination image

Specified by:

setClip in interface ImageDisplay

Following copied from interface: com.vistech.imageviewer.ImageDisplay

Parameters:

clipshape - the shape of the clipping area

setBufferedImage

public void setBufferedImage(java.awt.image.BufferedImage image)

Description copied from interface: ImageDisplay

Sets the BufferedImage property. If the input parameter is not null, the it becomes the current image. This is a bound property.

Specified by:

setBufferedImage in interface ImageDisplay

Following copied from interface: com.vistech.imageviewer.ImageDisplay

Parameters:

BufferedImage - the image object

getBufferedImage

public java.awt.image.BufferedImage getBufferedImage()

Description copied from interface: ImageDisplay

Returns the BufferedImage property. If the image loaded is of Image type, this method creates a BufferedImage from the original image object.

Specified by:

getBufferedImage in interface ImageDisplay

Following copied from interface: com.vistech.imageviewer.ImageDisplay

Returns:

the BufferedImage object

setOffScreenImage

public void setOffScreenImage(java.awt.image.BufferedImage image)

Description copied from interface: ImageDisplay

Sets the off screen image.

Specified by:

setOffScreenImage in interface ImageDisplay

Following copied from interface: com.vistech.imageviewer.ImageDisplay

Parameters:

image - the off screen image.

getOffScreenImage

public java.awt.image.BufferedImage getOffScreenImage()

Description copied from interface: ImageDisplay

Returns the off screen image.

Specified by:

getOffScreenImage in interface ImageDisplay

Following copied from interface: com.vistech.imageviewer.ImageDisplay

Returns:

the off screen imge.

setDisplayImage

public void setDisplayImage(java.awt.image.BufferedImage image)

Description copied from interface: ImageDisplay

Sets the image to be displayed on the canvas. When an image is set this way, it is not saved. This method needs to be used for temporory display only.The correct way to set the image is to call the setAWTImage() or setBufferedImage() methods.

Specified by:

setDisplayImage in interface ImageDisplay

Following copied from interface: com.vistech.imageviewer.ImageDisplay

Parameters:

image - the image to be displayed.

getDisplayedImage

public java.awt.image.BufferedImage getDisplayedImage()

Description copied from interface: ImageDisplay

Returns the image displayed on the canvas.

Specified by:

getDisplayedImage in interface ImageDisplay

Following copied from interface: com.vistech.imageviewer.ImageDisplay

Returns:

the displayed imge.

draw

public void draw(java.awt.Shape shape)

Description copied from interface: ImageDisplay

Draws the specified shape on the destination image

Specified by:

draw in interface ImageDisplay

Following copied from interface: com.vistech.imageviewer.ImageDisplay

Parameters:

shape - the shape to be drawn

invert

public void invert(boolean on)

setInvert

public void setInvert(boolean on)

Description copied from interface: ImageDisplay

Sets the invert mode property. It fires the propertyChange events because it is a bound property. If set true, it inverts the image.

Specified by:

setInvert in interface ImageDisplay

Following copied from interface: com.vistech.imageviewer.ImageDisplay

Parameters:

onOrOff - the invert mode.

getInvert

public boolean getInvert()

Description copied from interface: ImageDisplay

Returns the invert mode.

Specified by:

getInvert in interface ImageDisplay

Following copied from interface: com.vistech.imageviewer.ImageDisplay

Returns:

the invert mode

paintImage

public boolean paintImage()

Description copied from interface: ImageDisplay

This method paints the current image i.e.; the image set by the setImage() method. While painting it applies the current display and flip mode policies. Call to this method will reset the panOffset and magFactor properties to default values. This method is called whenever the display and flip modes are changed.

Specified by:

paintImage in interface ImageDisplay

scroll

public void scroll(int x,
                   int y)

Description copied from interface: ScrollController

Scrolls the image.

Overrides:

scroll in class JAIImageCanvas

Following copied from interface: com.vistech.imageviewer.ScrollController

Parameters:

x - the x coordinate of the current position.

y - the y coordinate of the current position.

stopScroll

public void stopScroll()

Description copied from interface: ScrollController

Stops scroll.

Overrides:

stopScroll in class JAIImageCanvas

setImage

public void setImage(javax.media.jai.PlanarImage img)

Description copied from class: RenderedImageCanvas

Sets the image.

Overrides:

setImage in class RenderedImageCanvas

Following copied from class: com.vistech.jai.render.RenderedImageCanvas

Parameters:

img - the planar image.