Class GraphCanvas

java.lang.Object
   |
   +----java.awt.Component
           |
           +----java.awt.Canvas
                   |
                   +----GraphCanvas

class GraphCanvas

extends Canvas

coord

GraphCanvas(GraphInterface, Coordinates)

EdgeinRect(EdgeList, double, double, double, double)

VertexinRect(Vertex, double, double, double, double)

addAllInRectToHE(double, double, double, double)

highlight all edges within specified rectangle

addAllInRectToHV(double, double, double, double)

highlight all vertices within specified rectangle

addAllInRectToHV_E(double, double, double, double)

highlighted all vertices and edges within specified rectangle

clearAll()

drawAnyRect(int, int, int, int)

drawGraph()

draw all edges and vertices in graph

drawHV()

draw all highlighted vertices in graph

drawVertex(Vertex)

drawVxorTrans(Vertex, int, int)

draw vertex v translated by xtrans and ytrans, painted in xor mode note - draws v as if it were highlighted, but without border

keyDown(Event, int)

load(Frame, BetterTextArea)

minimumSize()

mouseDown(Event, int, int)

mouseDrag(Event, int, int)

mouseUp(Event, int, int)

paint(Graphics)

perr(String)

preferredSize()

ptInEdge(EdgeList, double, double)

ptInVertex(Vertex, double, double)

ptOnEdge(double, double)

return edge which contains point (x,y)

ptOnVert(double, double)

return vertex which contains point (x,y)

save(Frame, BetterTextArea)

  public Coordinates coord

  public GraphCanvas(GraphInterface _g,
                     Coordinates _coord)

  public void paint(Graphics gr)

  public void clearAll()

  public Dimension minimumSize()

  public Dimension preferredSize()

  public boolean keyDown(Event evt,
                         int key)

  public boolean mouseDown(Event evt,
                           int x,
                           int y)

  public boolean mouseDrag(Event evt,
                           int x,
                           int y)

  public boolean mouseUp(Event evt,
                         int x,
                         int y)

  public void perr(String s)

  public void drawAnyRect(int x1,
                          int y1,
                          int x2,
                          int y2)

  public void drawVertex(Vertex v)

  public void drawVxorTrans(Vertex v,
                            int xtrans,
                            int ytrans)

draw vertex v translated by xtrans and ytrans, painted in xor mode note - draws v as if it were highlighted, but without border

drawGraph

  public void drawGraph()

draw all edges and vertices in graph

drawHV

  public void drawHV()

draw all highlighted vertices in graph

ptInVertex

  public boolean ptInVertex(Vertex v,
                            double x,
                            double y)

  public boolean VertexinRect(Vertex v,
                              double x,
                              double y,
                              double x2,
                              double y2)

  public boolean ptInEdge(EdgeList e,
                          double x,
                          double y)

  public boolean EdgeinRect(EdgeList e,
                            double x,
                            double y,
                            double x2,
                            double y2)

  public Vertex ptOnVert(double x,
                         double y)

return vertex which contains point (x,y)

ptOnEdge

  public Edge ptOnEdge(double x,
                       double y)

return edge which contains point (x,y)

addAllInRectToHV

  public void addAllInRectToHV(double x,
                               double y,
                               double x2,
                               double y2)

highlight all vertices within specified rectangle

addAllInRectToHE

  public void addAllInRectToHE(double x,
                               double y,
                               double x2,
                               double y2)

highlight all edges within specified rectangle

addAllInRectToHV_E

  public void addAllInRectToHV_E(double x,
                                 double y,
                                 double x2,
                                 double y2)

highlighted all vertices and edges within specified rectangle

load

  public void load(Frame f,
                   BetterTextArea text)

  public void save(Frame f,
                   BetterTextArea text)