Class ncsa.horizon.viewer.GraphicsSelectionImageCanvas 
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Class ncsa.horizon.viewer.GraphicsSelectionImageCanvas 

java.lang.Object
   |
   +----java.awt.Component
           |
           +----java.awt.Canvas
                   |
                   +----ncsa.horizon.awt.ImageCanvas
                           |
                           +----ncsa.horizon.viewer.GraphicsSelectionImageCanvas
public class GraphicsSelectionImageCanvas
extends ImageCanvas
implements Guiedable
I function as a SelectionArea which listens to mouse moving and selection events. I keep a reference to SelectionData and update it if new mouse events come. The obervers of the SelectionData will act upon being notified.

I am a decorator of GraphcisSelectionImpl. So, I implement all the methods of GraphcisSelectionImpl. Also, I can share the same SelectionData with other SelectionArea. But, I am not a SelectionData observer. So, my SelectionData is altered by other SelectionArea, some SelectionData observer such as a SelectionViewershould notify me, ie, it should call my setBoxSelection method and etc.

Constructor Index

o GraphicsSelectionImageCanvas(int, int)

Method Index

o getBoxSelection()
o getGui()
o getLineSelection()
o getPixelSelection()
o getSelectionData()
o isBoxSelectionVisible()
o isLineSelectionVisible()
o isPixelSelectionVisible()
o mouseDown(Event, int, int)
process selection requests
o mouseDrag(Event, int, int)
process a box selection request
o mouseMove(Event, int, int)
o mouseUp(Event, int, int)
mouse position changed.
o setBoxSelection(int, int, int, int)
o setBoxSelection(Rectangle)
o setLineSelection(int, int, int, int)
o setLineSelection(Line)
o setPixelSelection(int, int)
o setPixelSelection(Point)
o setSliceSelection(Slice, ImageDisplayMap)
o setVoxelSelection(Voxel, ImageDisplayMap)
o showBoxSelection(boolean)
o showLineSelection(boolean)
o showPixelSelection(boolean)
o toggleBoxSelection()
o toggleLineSelection()
o togglePixelSelection()
o tryPaint(Graphics)
Redraw.

Constructors

o GraphicsSelectionImageCanvas 
  public GraphicsSelectionImageCanvas(int width,
                                      int height)

Methods

o getGui 
  public Component[] getGui()
o getSelectionData 
  public SelectionData getSelectionData()
o getBoxSelection 
  public Rectangle getBoxSelection()
o getLineSelection 
  public Line getLineSelection()
o getPixelSelection 
  public Point getPixelSelection()
o isBoxSelectionVisible 
  public boolean isBoxSelectionVisible()
o isLineSelectionVisible 
  public boolean isLineSelectionVisible()
o isPixelSelectionVisible 
  public boolean isPixelSelectionVisible()
o mouseDown 
  public boolean mouseDown(Event evt,
                           int x,
                           int y)
process selection requests
Overrides:
mouseDown in class Component
o mouseDrag 
  public boolean mouseDrag(Event evt,
                           int x,
                           int y)
process a box selection request
Overrides:
mouseDrag in class Component
o mouseMove 
  public boolean mouseMove(Event event,
                           int x,
                           int y)
Overrides:
mouseMove in class Component
o mouseUp 
  public boolean mouseUp(Event event,
                         int x,
                         int y)
mouse position changed.
Overrides:
mouseUp in class Component
o setBoxSelection 
  public void setBoxSelection(int x1,
                              int y1,
                              int x2,
                              int y2)
o setBoxSelection 
  public void setBoxSelection(Rectangle box)
o setLineSelection 
  public void setLineSelection(int x1,
                               int y1,
                               int x2,
                               int y2)
o setLineSelection 
  public void setLineSelection(Line line)
o setPixelSelection 
  public void setPixelSelection(int x,
                                int y)
o setPixelSelection 
  public void setPixelSelection(Point pixel)
o setSliceSelection 
  public void setSliceSelection(Slice slice,
                                ImageDisplayMap pixelMap)
o setVoxelSelection 
  public synchronized void setVoxelSelection(Voxel voxel,
                                             ImageDisplayMap pixelMap)
o showBoxSelection 
  public void showBoxSelection(boolean b)
o showLineSelection 
  public void showLineSelection(boolean b)
o showPixelSelection 
  public void showPixelSelection(boolean b)
o toggleBoxSelection 
  public void toggleBoxSelection()
o toggleLineSelection 
  public void toggleLineSelection()
o togglePixelSelection 
  public void togglePixelSelection()
o tryPaint 
  protected boolean tryPaint(Graphics g)
Redraw.
Overrides:
tryPaint in class ImageCanvas 
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