Overview  Package   Class  Use  Deprecated  Index
Home >> All >> org >> jfor >> jfor >> tools >> [ jpeg overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

---

org.jfor.jfor.tools.jpeg
Class Encoder  

java.lang.Object
  java.awt.Component
      org.jfor.jfor.tools.jpeg.Encoder

All Implemented Interfaces:

java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable

---

public class Encoder

extends java.awt.Component

Encoder - The JPEG main program which performs a jpeg compression of an gif or tif image.

---

Nested Class Summary

 

Nested classes inherited from class java.awt.Component

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

 

Field Summary
private  DCT	dct
private  Huffman	huf
static int[]	jpegNaturalOrder
private  JpegInfo	jpegObj
private  java.io.BufferedOutputStream	outStream
private  int	quality

 

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

Encoder(int quality, java.io.OutputStream out)           Constructor.

 

Method Summary
private  void	compress()           Compress the image and write to output stream.
private  void	dispose()           Dispose.
void	encodeJPEG(byte[] data)           Encodes a JPEG.
void	encodeJPEG(java.awt.Image image)           Encodes a JPEG.
void	encodeJPEG(java.net.URL url)           Encodes a JPEG.
int	getQuality()           Gets the quality of jpeg image.
static void	main(java.lang.String[] args)           Main method
private  void	process(java.awt.Image image)           Encode Image process.
void	setQuality(int quality)           Sets the quality of jpeg image.
static void	StandardUsage()           Standard usage method.
private  void	WriteArray(byte[] data, java.io.BufferedOutputStream out)           Writes a array.
private  void	WriteCompressedData(java.io.BufferedOutputStream outputStream)           Writes the compressed data to the outputstream
private  void	WriteEOI(java.io.BufferedOutputStream out)           Writes the End Of Image marker.
private  void	WriteHeaders(java.io.BufferedOutputStream out)           Writes the header information.
private  void	WriteMarker(byte[] data, java.io.BufferedOutputStream out)           Writes a marker.

 

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, addNotify, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, deliverEvent, disable, disableEvents, dispatchEvent, doLayout, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getAccessibleContext, getAlignmentX, getAlignmentY, getBackground, getBounds, getBounds, getColorModel, getComponentAt, getComponentAt, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeys, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getListeners, getLocale, getLocation, getLocation, getLocationOnScreen, getMaximumSize, getMinimumSize, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getPreferredSize, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, invalidate, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusCycleRoot, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isOpaque, isShowing, isValid, isVisible, keyDown, keyUp, layout, list, list, list, list, list, locate, location, lostFocus, minimumSize, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paint, paintAll, paramString, postEvent, preferredSize, prepareImage, prepareImage, print, printAll, processComponentEvent, processEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, reshape, resize, resize, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeys, setFocusTraversalKeysEnabled, setFont, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle, update, validate

 

Methods inherited from class java.lang.Object

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

 

Field Detail

outStream

private java.io.BufferedOutputStream outStream

---

jpegObj

private JpegInfo jpegObj

---

huf

private Huffman huf

---

dct

private DCT dct

---

quality

private int quality

---

jpegNaturalOrder

public static int[] jpegNaturalOrder

Constructor Detail

Encoder

public Encoder(int quality,
               java.io.OutputStream out)

Constructor.

Method Detail

encodeJPEG

public void encodeJPEG(java.awt.Image image)
                throws JPEGException

Encodes a JPEG.

---

encodeJPEG

public void encodeJPEG(java.net.URL url)
                throws JPEGException

Encodes a JPEG.

---

encodeJPEG

public void encodeJPEG(byte[] data)
                throws JPEGException

Encodes a JPEG.

---

process

private void process(java.awt.Image image)
              throws JPEGException

Encode Image process.

---

getQuality

public int getQuality()

Gets the quality of jpeg image. return A value between 0 and 100

---

setQuality

public void setQuality(int quality)

Sets the quality of jpeg image.

---

dispose

private void dispose()

Dispose.

---

compress

private void compress()
               throws JPEGException

Compress the image and write to output stream.

---

WriteEOI

private void WriteEOI(java.io.BufferedOutputStream out)

Writes the End Of Image marker.

---

WriteHeaders

private void WriteHeaders(java.io.BufferedOutputStream out)

Writes the header information.

---

WriteCompressedData

private void WriteCompressedData(java.io.BufferedOutputStream outputStream)

Writes the compressed data to the outputstream

---

WriteMarker

private void WriteMarker(byte[] data,
                         java.io.BufferedOutputStream out)

Writes a marker.

---

WriteArray

private void WriteArray(byte[] data,
                        java.io.BufferedOutputStream out)

Writes a array.

---

main

public static void main(java.lang.String[] args)

Main method

---

StandardUsage

public static void StandardUsage()

Standard usage method.

---

Overview  Package   Class  Use  Deprecated  Index
Home >> All >> org >> jfor >> jfor >> tools >> [ jpeg overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

---