net.grelf.image
Class HistogramAll

java.lang.Object
  java.awt.Component
      java.awt.Container
          javax.swing.JComponent
              net.grelf.image.HistogramAll

All Implemented Interfaces:

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

Direct Known Subclasses:

Histogram

public class HistogramAll
extends javax.swing.JComponent
implements java.awt.print.Printable

A histogram of the whole of an image comprising any number of bands.

See Also:

Serialized Form

Nested Class Summary

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

protected int[][]	fbin
protected int[][]	freq
protected static int	MAX_NLEVELS
protected int	nBands
protected int	nLevels
protected int	scale
protected java.lang.String[]	xLabels

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.print.Printable

NO_SUCH_PAGE, PAGE_EXISTS

Fields inherited from interface java.awt.image.ImageObserver

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

Constructor Summary

protected	HistogramAll() Only for sub-class: must have an image to build the data from.
	HistogramAll(Image image) Histogram of a whole Image.

Method Summary

protected void	buildData(Image image) Analyse the whole image
void	draw(java.awt.Graphics2D g2, int xOffset, int yOffset) Draw a graph of the histogram in the given graphics context (screen or printer) at the given offset position.
void	equalise(Image image)
int[]	getMaxValues() Get array of maximum values for each channel (red, green and blue in the 3-channel case).
int[]	getMinValues() Get array of minimum values for each channel (red, green and blue in the 3-channel case).
int[]	getModes() Get array of modal values for each channel (red, green and blue in the 3-channel case).
int[]	getModes(int start, int end) Get array of modal values, using only levels from start to end inclusive.
Statistics[]	getStatistics() Calculate all statistics, returning as an array index by channel (band).
Statistics[]	getStatistics(int start, int end) Calculate all statistics, returning as an array index by channel (band).
void	paintComponent(java.awt.Graphics g)
int	print(java.awt.Graphics g, java.awt.print.PageFormat pf, int pageNo) Print the histogram.
protected void	reBin() For plotting as 256 bins wide.
void	saveCSV() Save the histogram as a comma-separated-value file, suitable for loading into spreadsheets.
void	saveXML() Save the histogram as an XML file.

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getAccessibleContext, 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, getUIClassID, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintImmediately, paintImmediately, paramString, 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, updateUI

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, getSize, 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

nLevels

protected int nLevels

nBands

protected int nBands

freq

protected int[][] freq

scale

protected int scale

MAX_NLEVELS

protected static final int MAX_NLEVELS

fbin

protected int[][] fbin

xLabels

protected java.lang.String[] xLabels

Constructor Detail

HistogramAll

protected HistogramAll()

Only for sub-class: must have an image to build the data from.

HistogramAll

public HistogramAll(Image image)

Histogram of a whole Image.

Method Detail

buildData

protected void buildData(Image image)

Analyse the whole image

reBin

protected void reBin()

For plotting as 256 bins wide.

equalise

public void equalise(Image image)

getMaxValues

public int[] getMaxValues()

Get array of maximum values for each channel (red, green and blue in the 3-channel case).

getMinValues

public int[] getMinValues()

Get array of minimum values for each channel (red, green and blue in the 3-channel case).

getModes

public int[] getModes()

Get array of modal values for each channel (red, green and blue in the 3-channel case).

getModes

public int[] getModes(int start,
                      int end)

Get array of modal values, using only levels from start to end inclusive.

getStatistics

public Statistics[] getStatistics(int start,
                                  int end)

Calculate all statistics, returning as an array index by channel (band). Only consider grey levels from start to end in every channel.

getStatistics

public Statistics[] getStatistics()

Calculate all statistics, returning as an array index by channel (band).

draw

public void draw(java.awt.Graphics2D g2,
                 int xOffset,
                 int yOffset)

Draw a graph of the histogram in the given graphics context (screen or printer) at the given offset position.

paintComponent

public void paintComponent(java.awt.Graphics g)

Overrides:

paintComponent in class javax.swing.JComponent

print

public int print(java.awt.Graphics g,
                 java.awt.print.PageFormat pf,
                 int pageNo)
          throws java.awt.print.PrinterException

Print the histogram.

Specified by:

print in interface java.awt.print.Printable

Throws:

java.awt.print.PrinterException

saveCSV

public void saveCSV()

Save the histogram as a comma-separated-value file, suitable for loading into spreadsheets.

saveXML

public void saveXML()

Save the histogram as an XML file.