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Class tw.edu.ncnu.im.cnclab.JGAP.UI.GraphCanvas 

java.lang.Object
   |
   +----java.awt.Component
           |
           +----java.awt.Canvas
                   |
                   +----tw.edu.ncnu.im.cnclab.JGAP.UI.GraphCanvas
public class GraphCanvas
extends Canvas
The GraphCanvas class implements the Canvas of Graph.

Version:
0.4 Jul 8, 1999
Author:
Ding-Yi Chen

Variable Index

o ADJ_LIST
Indicate the Graph showing as adjacency-linked-list.
o ADJ_MATRIX
Indicate the Graph showing as adjacency-matrix.
o defaultHeight
o defaultWidth
o doublePrecision
Specifies the number of digits to appear after the decimal point.
o GRAPH
Indicate the Graph showing as graph.
o selfLoopRadius
The radius of self-looped.

Constructor Index

o GraphCanvas(Graph, Window)
Constructor of GraphCanvas
o GraphCanvas(Graph, Window, int, int)
Constructor of GraphCanvas

Method Index

o edgePrompt(Edge)
Return the String representation of edge.
o getMinimumSize()
o getPreferredSize()
o getRepresentType()
Return the type of presentation.
o paint(Graphics)
o prePaint()
o setRepresentType(int)
Set the type of presentation.
o setSize(int, int)
Set the size of Canvas.
o update(Graphics)

Variables

o GRAPH 
 public static final int GRAPH
Indicate the Graph showing as graph.

o ADJ_MATRIX 
 public static final int ADJ_MATRIX
Indicate the Graph showing as adjacency-matrix.

o ADJ_LIST 
 public static final int ADJ_LIST
Indicate the Graph showing as adjacency-linked-list.

o defaultWidth 
 public static int defaultWidth
o defaultHeight 
 public static int defaultHeight
o doublePrecision 
 public static final int doublePrecision
Specifies the number of digits to appear after the decimal point.

o selfLoopRadius 
 public static final int selfLoopRadius
The radius of self-looped.

Constructors

o GraphCanvas 
 public GraphCanvas(Graph graph,
                    Window parent)
Constructor of GraphCanvas

Parameters:
graph - The graph.
parent - the window that contain the canvas.
o GraphCanvas 
 public GraphCanvas(Graph graph,
                    Window parent,
                    int width,
                    int height)
Constructor of GraphCanvas

Parameters:
graph - The graph.
parent - The window that contain the canvas.
width - The width of canvas.
height - The height of canvas.

Methods

o setSize 
 public void setSize(int width,
                     int height)
Set the size of Canvas.

Parameters:
width - The width of canvas.
height - The height of canvas.
Overrides:
setSize in class Component
o getRepresentType 
 public int getRepresentType()
Return the type of presentation.

Returns:
the represent type of the graph
o setRepresentType 
 public void setRepresentType(int representType)
Set the type of presentation.

Parameters:
representType - The type of presentation.
See Also:
GRAPH, ADJ_MATRIX, ADJ_LIST
o getMinimumSize 
 public Dimension getMinimumSize()
Overrides:
getMinimumSize in class Component
o getPreferredSize 
 public Dimension getPreferredSize()
Overrides:
getPreferredSize in class Component
o edgePrompt 
 protected String edgePrompt(Edge edge)
Return the String representation of edge.

o prePaint 
 public void prePaint()
o paint 
 public void paint(Graphics g)
Overrides:
paint in class Canvas
o update 
 public void update(Graphics g)
Overrides:
update in class Component 
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