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Class CH.ifa.draw.contrib.PolygonFigure

java.lang.Object
   |
   +----CH.ifa.draw.standard.AbstractFigure
           |
           +----CH.ifa.draw.figures.AttributeFigure
                   |
                   +----CH.ifa.draw.contrib.PolygonFigure

public class PolygonFigure

extends AttributeFigure

fPoly

PolygonFigure()

PolygonFigure(int, int)

PolygonFigure(Polygon)

addPoint(int, int)

Adds a node to the list of points.

basicDisplayBox(Point, Point)

Sets the display box of a figure.

basicMoveBy(int, int)

Moves the figure.

bounds(Polygon)

replacement for builtin Polygon.getBounds that doesn't always update?

center()

Gets the center of a figure.

center(Polygon)

chop(Point)

chop(Polygon, Point)

connectorAt(int, int)

Returns the Figures connector for the specified location.

containsPoint(int, int)

Checks if a point is inside the figure.

displayBox()

Gets the display box of a figure.

distanceFromLine(int, int, int, int, int, int)

compute distance of point from line segment, or Double.MAX_VALUE if perpendicular projection is outside segment; or If pts on line are same, return distance from point

drawBackground(Graphics)

Draws the background of the figure.

drawFrame(Graphics)

Draws the frame of the figure.

findSegment(int, int)

Gets the segment that is hit by the given point.

getPolygon()

return a copy of the raw polygon

handles()

Returns the handles of a Figure that can be used to manipulate some of its attributes.

insertPointAt(Point, int)

Insert a node at the given point.

isEmpty()

Checks if the figure is empty.

locator(int)

Creates a locator for the point with the given index.

outermostPoint()

Return the point on the polygon that is furthest from the center

pointAt(int)

pointCount()

points()

read(StorableInput)

Reads the Figure from a StorableInput.

removePointAt(int)

scaleRotate(Point, Polygon, Point)

Scale and rotate relative to anchor

setPointAt(Point, int)

Changes the position of a node.

smoothPoints()

Remove points that are nearly colinear with others

splitSegment(int, int)

Splits the segment at the given point if a segment was hit.

write(StorableOutput)

Stores the Figure to a StorableOutput.

 protected Polygon fPoly

 public PolygonFigure()

 public PolygonFigure(int x,
                      int y)

 public PolygonFigure(Polygon p)

 public Rectangle displayBox()

Gets the display box of a figure.

Overrides:

displayBox in class AbstractFigure

 public boolean isEmpty()

Checks if the figure is empty.

Overrides:

isEmpty in class AbstractFigure

 public Vector handles()

Returns the handles of a Figure that can be used to manipulate some of its attributes.

Overrides:

handles in class AbstractFigure

 public void basicDisplayBox(Point origin,
                             Point corner)

Sets the display box of a figure.

Overrides:

basicDisplayBox in class AbstractFigure

 public Polygon getPolygon()

return a copy of the raw polygon

 public Point center()

Gets the center of a figure.

Overrides:

center in class AbstractFigure

 public Enumeration points()

 public int pointCount()

 public void basicMoveBy(int dx,
                         int dy)

Moves the figure.

Overrides:

basicMoveBy in class AbstractFigure

 public void drawBackground(Graphics g)

Draws the background of the figure.

Overrides:

drawBackground in class AttributeFigure

 public void drawFrame(Graphics g)

Draws the frame of the figure.

Overrides:

drawFrame in class AttributeFigure

 public boolean containsPoint(int x,
                              int y)

Checks if a point is inside the figure.

Overrides:

containsPoint in class AbstractFigure

 public Connector connectorAt(int x,
                              int y)

Returns the Figures connector for the specified location.

Overrides:

connectorAt in class AbstractFigure

 public void addPoint(int x,
                      int y)

Adds a node to the list of points.

 public void setPointAt(Point p,
                        int i)

Changes the position of a node.

 public void insertPointAt(Point p,
                           int i)

Insert a node at the given point.

 public void removePointAt(int i)

 public void scaleRotate(Point anchor,
                         Polygon originalPolygon,
                         Point p)

Scale and rotate relative to anchor

 public void smoothPoints()

Remove points that are nearly colinear with others

 public int splitSegment(int x,
                         int y)

Splits the segment at the given point if a segment was hit.

Returns:

the index of the segment or -1 if no segment was hit.

 public Point pointAt(int i)

 public Point outermostPoint()

Return the point on the polygon that is furthest from the center

 public int findSegment(int x,
                        int y)

Gets the segment that is hit by the given point.

Returns:

the index of the segment or -1 if no segment was hit.

 public Point chop(Point p)

 public void write(StorableOutput dw)

Stores the Figure to a StorableOutput.

Overrides:

write in class AttributeFigure

 public void read(StorableInput dr) throws IOException

Reads the Figure from a StorableInput.

Overrides:

read in class AttributeFigure

 public static Locator locator(int pointIndex)

Creates a locator for the point with the given index.

 public static double distanceFromLine(int xa,
                                       int ya,
                                       int xb,
                                       int yb,
                                       int xc,
                                       int yc)

compute distance of point from line segment, or Double.MAX_VALUE if perpendicular projection is outside segment; or If pts on line are same, return distance from point

 public static Rectangle bounds(Polygon p)

replacement for builtin Polygon.getBounds that doesn't always update?

 public static Point center(Polygon p)

 public static Point chop(Polygon poly,
                          Point p)

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