Draw2d
3.9.0.201308190730

org.eclipse.draw2d
Class GhostImageFigure

java.lang.Object
  extended by org.eclipse.draw2d.Figure
      extended by org.eclipse.draw2d.GhostImageFigure
All Implemented Interfaces:
IFigure

public class GhostImageFigure
extends Figure

A figure used to render a partly transparent copy of an original source figure. This class is pretty much based on a sample, posted within the GEF newsgroup (http://dev.eclipse.org/newslists/news.eclipse.tools.gef/msg15158.html), although we decided to not cache the ghost image itself (but only its image data), so the figure does not have to be disposed (and may thus directly extend Figure rather than ImageFigure).

Since:
3.6

Nested Class Summary
 
Nested classes/interfaces inherited from class org.eclipse.draw2d.Figure
Figure.FigureIterator, Figure.IdentitySearch
 
Nested classes/interfaces inherited from interface org.eclipse.draw2d.IFigure
IFigure.NoInsets
 
Field Summary
 
Fields inherited from class org.eclipse.draw2d.Figure
bgColor, border, bounds, fgColor, flags, font, MAX_FLAG, maxSize, minSize, NO_MANAGER, prefSize, toolTip
 
Fields inherited from interface org.eclipse.draw2d.IFigure
MAX_DIMENSION, MIN_DIMENSION, NO_INSETS
 
Constructor Summary
GhostImageFigure(IFigure source, int alpha, RGB transparency)
          The single constructor.
 
Method Summary
protected  void paintFigure(Graphics graphics)
          Paints this Figure's primary representation, or background.
 
Methods inherited from class org.eclipse.draw2d.Figure
add, add, add, add, addAncestorListener, addCoordinateListener, addFigureListener, addFocusListener, addKeyListener, addLayoutListener, addListener, addMouseListener, addMouseMotionListener, addNotify, addPropertyChangeListener, addPropertyChangeListener, containsPoint, containsPoint, erase, findDescendantAtExcluding, findFigureAt, findFigureAt, findFigureAt, findFigureAtExcluding, findMouseEventTargetAt, findMouseEventTargetInDescendantsAt, fireCoordinateSystemChanged, fireFigureMoved, fireMoved, firePropertyChange, firePropertyChange, firePropertyChange, getBackgroundColor, getBorder, getBounds, getChildren, getClientArea, getClientArea, getClippingStrategy, getCursor, getFlag, getFont, getForegroundColor, getInsets, getLayoutManager, getListeners, getLocalBackgroundColor, getLocalFont, getLocalForegroundColor, getLocation, getMaximumSize, getMinimumSize, getMinimumSize, getParent, getPreferredSize, getPreferredSize, getSize, getToolTip, getUpdateManager, handleFocusGained, handleFocusLost, handleKeyPressed, handleKeyReleased, handleMouseDoubleClicked, handleMouseDragged, handleMouseEntered, handleMouseExited, handleMouseHover, handleMouseMoved, handleMousePressed, handleMouseReleased, hasFocus, internalGetEventDispatcher, intersects, invalidate, invalidateTree, isCoordinateSystem, isEnabled, isFocusTraversable, isMirrored, isMouseEventTarget, isOpaque, isRequestFocusEnabled, isShowing, isValid, isValidationRoot, isVisible, layout, paint, paintBorder, paintChildren, paintClientArea, primTranslate, remove, removeAll, removeAncestorListener, removeCoordinateListener, removeFigureListener, removeFocusListener, removeKeyListener, removeLayoutListener, removeListener, removeMouseListener, removeMouseMotionListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, requestFocus, revalidate, setBackgroundColor, setBorder, setBounds, setChildrenDirection, setChildrenEnabled, setChildrenOrientation, setClippingStrategy, setConstraint, setCursor, setEnabled, setFlag, setFocusTraversable, setFont, setForegroundColor, setLayoutManager, setLocation, setMaximumSize, setMinimumSize, setOpaque, setParent, setPreferredSize, setPreferredSize, setRequestFocusEnabled, setSize, setSize, setToolTip, setValid, setVisible, translate, translateFromParent, translateToAbsolute, translateToParent, translateToRelative, useLocalCoordinates, validate
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

GhostImageFigure

public GhostImageFigure(IFigure source,
                        int alpha,
                        RGB transparency)
The single constructor.

Parameters:
source - The original figure that will be used to render the ghost image.
alpha - The desired transparency value, to be forwarded to Graphics.setAlpha(int).
transparency - The RBG value of the color that is to be regarded as transparent. May be null.
Method Detail

paintFigure

protected void paintFigure(Graphics graphics)
Description copied from class: Figure
Paints this Figure's primary representation, or background. Changes made to the graphics to the graphics current state will not affect the subsequent calls to Figure.paintClientArea(Graphics) and Figure.paintBorder(Graphics). Furthermore, it is safe to call graphics.restoreState() within this method, and doing so will restore the graphics to its original state upon entry.

Overrides:
paintFigure in class Figure
Parameters:
graphics - The Graphics used to paint
See Also:
Figure.paintFigure(Graphics)

Draw2d
3.9.0.201308190730

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