: Class SmartScrollingRenderer

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com.sun.jimi.core.component
Class SmartScrollingRenderer

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--java.awt.Panel
                    |
                    +--com.sun.jimi.core.component.SmartScrollingRenderer

public class SmartScrollingRenderer
extends java.awt.Panel
implements JimiImageRenderer, java.awt.event.AdjustmentListener

JimiImageRenderer which creates Image data on-demand to support scrolling in a memory-efficient way.

See Also:: Serialized Form

Field Summary
`protected JimiCanvas`	`canvas`
`protected SmartCroppingPanel`	`cropper`
`protected java.awt.Scrollbar`	`hsb`
`protected JimiRasterImage`	`rasterImage`
`protected java.awt.Scrollbar`	`vsb`

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT,  
CENTER_ALIGNMENT,  
LEFT_ALIGNMENT,  
RIGHT_ALIGNMENT,  
TOP_ALIGNMENT

Constructor Summary
`SmartScrollingRenderer(JimiCanvas canvas)`

Method Summary
`void`	`adjustmentValueChanged(java.awt.event.AdjustmentEvent e)`
`protected void`	`calibrateScrolling()`
`java.awt.Component`	`getContentPane()`
`void`	`render()` Ignored.
`void`	`setImage(java.awt.Image image)`
`void`	`setImageProducer(java.awt.image.ImageProducer producer)`
`void`	`setRasterImage(JimiRasterImage raster)`

Methods inherited from class java.awt.Panel

addNotify

Methods inherited from class java.awt.Container

add, 
add, 
add, 
add, 
add, 
addContainerListener, 
addImpl, 
countComponents, 
deliverEvent, 
doLayout, 
findComponentAt, 
findComponentAt, 
getAlignmentX, 
getAlignmentY, 
getComponent, 
getComponentAt, 
getComponentAt, 
getComponentCount, 
getComponents, 
getInsets, 
getLayout, 
getMaximumSize, 
getMinimumSize, 
getPreferredSize, 
insets, 
invalidate, 
isAncestorOf, 
layout, 
list, 
list, 
locate, 
minimumSize, 
paint, 
paintComponents, 
paramString, 
preferredSize, 
print, 
printComponents, 
processContainerEvent, 
processEvent, 
remove, 
remove, 
removeAll, 
removeContainerListener, 
removeNotify, 
setFont, 
setLayout, 
update, 
validate, 
validateTree

Methods inherited from class java.awt.Component

action, 
add, 
addComponentListener, 
addFocusListener, 
addInputMethodListener, 
addKeyListener, 
addMouseListener, 
addMouseMotionListener, 
addPropertyChangeListener, 
addPropertyChangeListener, 
bounds, 
checkImage, 
checkImage, 
coalesceEvents, 
contains, 
contains, 
createImage, 
createImage, 
disable, 
disableEvents, 
dispatchEvent, 
enable, 
enable, 
enableEvents, 
enableInputMethods, 
firePropertyChange, 
getBackground, 
getBounds, 
getBounds, 
getColorModel, 
getComponentOrientation, 
getCursor, 
getDropTarget, 
getFont, 
getFontMetrics, 
getForeground, 
getGraphics, 
getHeight, 
getInputContext, 
getInputMethodRequests, 
getLocale, 
getLocation, 
getLocation, 
getLocationOnScreen, 
getName, 
getParent, 
getPeer, 
getSize, 
getSize, 
getToolkit, 
getTreeLock, 
getWidth, 
getX, 
getY, 
gotFocus, 
handleEvent, 
hasFocus, 
hide, 
imageUpdate, 
inside, 
isDisplayable, 
isDoubleBuffered, 
isEnabled, 
isFocusTraversable, 
isLightweight, 
isOpaque, 
isShowing, 
isValid, 
isVisible, 
keyDown, 
keyUp, 
list, 
list, 
list, 
location, 
lostFocus, 
mouseDown, 
mouseDrag, 
mouseEnter, 
mouseExit, 
mouseMove, 
mouseUp, 
move, 
nextFocus, 
paintAll, 
postEvent, 
prepareImage, 
prepareImage, 
printAll, 
processComponentEvent, 
processFocusEvent, 
processInputMethodEvent, 
processKeyEvent, 
processMouseEvent, 
processMouseMotionEvent, 
remove, 
removeComponentListener, 
removeFocusListener, 
removeInputMethodListener, 
removeKeyListener, 
removeMouseListener, 
removeMouseMotionListener, 
removePropertyChangeListener, 
removePropertyChangeListener, 
repaint, 
repaint, 
repaint, 
repaint, 
requestFocus, 
reshape, 
resize, 
resize, 
setBackground, 
setBounds, 
setBounds, 
setComponentOrientation, 
setCursor, 
setDropTarget, 
setEnabled, 
setForeground, 
setLocale, 
setLocation, 
setLocation, 
setName, 
setSize, 
setSize, 
setVisible, 
show, 
show, 
size, 
toString, 
transferFocus

Methods inherited from class java.lang.Object

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

Field Detail

rasterImage

protected JimiRasterImage rasterImage

vsb

protected java.awt.Scrollbar vsb

hsb

protected java.awt.Scrollbar hsb

cropper

protected SmartCroppingPanel cropper

canvas

protected JimiCanvas canvas

Constructor Detail

SmartScrollingRenderer

public SmartScrollingRenderer(JimiCanvas canvas)

Method Detail

calibrateScrolling

protected void calibrateScrolling()

setImage

public void setImage(java.awt.Image image)

Specified by:: setImage in interface JimiImageRenderer

setImageProducer

public void setImageProducer(java.awt.image.ImageProducer producer)

Specified by:: setImageProducer in interface JimiImageRenderer

setRasterImage

public void setRasterImage(JimiRasterImage raster)

Specified by:: setRasterImage in interface JimiImageRenderer

getContentPane

public java.awt.Component getContentPane()

Specified by:: getContentPane in interface JimiImageRenderer

render

public void render()

Ignored.

Specified by:: render in interface JimiImageRenderer

adjustmentValueChanged

public void adjustmentValueChanged(java.awt.event.AdjustmentEvent e)

Specified by:: adjustmentValueChanged in interface java.awt.event.AdjustmentListener