org.rosuda.javaGD
Class GDCanvas

java.lang.Object
  java.awt.Component
      java.awt.Canvas
          org.rosuda.javaGD.GDCanvas

All Implemented Interfaces:

java.awt.event.MouseListener, java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, java.util.EventListener, javax.accessibility.Accessible, GDContainer

public class GDCanvas
extends java.awt.Canvas
implements GDContainer, java.awt.event.MouseListener

See Also:

Serialized Form

Nested Class Summary

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

java.awt.Canvas.AccessibleAWTCanvas

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

int	devNr
static boolean	forceAntiAliasing

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

GDCanvas(double w, double h)

GDCanvas(int w, int h)

Method Summary

void	add(org.rosuda.javaGD.GDObject o) add a new plot object to the list
void	cleanup()
void	closeDisplay() close the display associated with this container
int	getDeviceNumber() retrieve the current device number
java.util.Vector	getGDOList()
org.rosuda.javaGD.GDState	getGState() retrieve graphics state
void	initRefresh()
void	mouseClicked(java.awt.event.MouseEvent e)
void	mouseEntered(java.awt.event.MouseEvent e)
void	mouseExited(java.awt.event.MouseEvent e)
void	mousePressed(java.awt.event.MouseEvent e)
void	mouseReleased(java.awt.event.MouseEvent e)
void	paint(java.awt.Graphics g)
boolean	prepareLocator(LocatorSync ls) this method is called to notify the contained that a locator request is pending; the container must either return false and ignore the ls parameter *or* return true and call @link{LocatorSync.triggerAction} method at some point in the future (which may well be after returning from this method)
void	reset() reset the plot- remove all objects
void	setDeviceNumber(int dn) set the device number of this container
void	syncDisplay(boolean finish) synchronize display with the graphics objects
void	update(java.awt.Graphics g)

Methods inherited from class java.awt.Canvas

addNotify, createBufferStrategy, createBufferStrategy, getAccessibleContext, getBufferStrategy

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, 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, getAlignmentX, getAlignmentY, getBackground, getBaseline, getBaselineResizeBehavior, 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, getMousePosition, 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, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, layout, list, list, list, list, list, locate, location, lostFocus, minimumSize, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, 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, setMaximumSize, setMinimumSize, setName, setPreferredSize, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle, validate

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.rosuda.javaGD.GDContainer

getGraphics, getSize

Field Detail

forceAntiAliasing

public static boolean forceAntiAliasing

devNr

public int devNr

Constructor Detail

GDCanvas

public GDCanvas(double w,
                double h)

GDCanvas

public GDCanvas(int w,
                int h)

Method Detail

getGState

public org.rosuda.javaGD.GDState getGState()

Description copied from interface: GDContainer

retrieve graphics state

Specified by:

getGState in interface GDContainer

Returns:

current graphics state

setDeviceNumber

public void setDeviceNumber(int dn)

Description copied from interface: GDContainer

set the device number of this container

Specified by:

setDeviceNumber in interface GDContainer

Parameters:

dn - device number

getDeviceNumber

public int getDeviceNumber()

Description copied from interface: GDContainer

retrieve the current device number

Specified by:

getDeviceNumber in interface GDContainer

Returns:

current device number

closeDisplay

public void closeDisplay()

Description copied from interface: GDContainer

close the display associated with this container

Specified by:

closeDisplay in interface GDContainer

cleanup

public void cleanup()

syncDisplay

public void syncDisplay(boolean finish)

Description copied from interface: GDContainer

synchronize display with the graphics objects

Specified by:

syncDisplay in interface GDContainer

Parameters:

finish - flag denoting whether the synchronization is desired or not (true for a finished batch, false when a batch starts)

initRefresh

public void initRefresh()

add

public void add(org.rosuda.javaGD.GDObject o)

Description copied from interface: GDContainer

add a new plot object to the list

Specified by:

add in interface GDContainer

Parameters:

o - plot object

reset

public void reset()

Description copied from interface: GDContainer

reset the plot- remove all objects

Specified by:

reset in interface GDContainer

prepareLocator

public boolean prepareLocator(LocatorSync ls)

Description copied from interface: GDContainer

this method is called to notify the contained that a locator request is pending; the container must either return false and ignore the ls parameter *or* return true and call @link{LocatorSync.triggerAction} method at some point in the future (which may well be after returning from this method)

Specified by:

prepareLocator in interface GDContainer

Parameters:

ls - locator synchronization object

mouseClicked

public void mouseClicked(java.awt.event.MouseEvent e)

Specified by:

mouseClicked in interface java.awt.event.MouseListener

mousePressed

public void mousePressed(java.awt.event.MouseEvent e)

Specified by:

mousePressed in interface java.awt.event.MouseListener

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent e)

Specified by:

mouseReleased in interface java.awt.event.MouseListener

mouseEntered

public void mouseEntered(java.awt.event.MouseEvent e)

Specified by:

mouseEntered in interface java.awt.event.MouseListener

mouseExited

public void mouseExited(java.awt.event.MouseEvent e)

Specified by:

mouseExited in interface java.awt.event.MouseListener

getGDOList

public java.util.Vector getGDOList()

update

public void update(java.awt.Graphics g)

Overrides:

update in class java.awt.Canvas

paint

public void paint(java.awt.Graphics g)

Overrides:

paint in class java.awt.Canvas