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Class figPac.fFastBezier

java.lang.Object
   |
   +----figPac.fFastBezier

public class fFastBezier

extends Object

implements fElement, S2V

CLOSED

curve

The parametrized curve whose graph is the Bezier curve.

defaultFillColor

The default color used to fill the curve on the screen.

defaultPsFillGray

Controls the default density used to fill the curve in postscript.

fillColor

The color used to fill the curve on the screen.

FILLED

OPEN

psFillGray

Controls the density used to fill the curve in postscript.

tmax

The parameter limits for curve.

tmin

The parameter limits for curve.

type

The type determines whether the curve is plotted as an open or closed path, whether or not it is filled and so on.

vertices

fFastBezier(double[], double[], int)

fFastBezier(double[], double[], int, long)

fFastBezier(double[], double[], int, long, Color)

fFastBezier(double[][])

Creates the fFastBezier whose vertices are taken from the array list.

fFastBezier(double[][], int)

Creates the fFastBezier whose vertices are the first nopoints of the array list.

fFastBezier(double[][], int, long)

fFastBezier(double[][], int, long, Color)

fFastBezier(PointList)

Creates the fFastBezier whose vertices are listed in the PointList.

fFastBezier(PointList, int)

Creates the fFastBezier whose vertices are the first nopoints of the PointList.

fFastBezier(PointList, int, long)

fFastBezier(PointList, int, long, Color)

fFastBezier(PointList, long)

Creates the fFastBezier whose vertices are listed in the PointList and also sets its type.

fFastBezier(PointList, long, Color)

Creates the fFastBezier whose vertices are listed in the PointList and also sets its type and fillColor.

drawgfx(Figure, Hashtable, V2V)

drawps(Figure, Hashtable, V2V)

map(double)

On the interval [i, i+1) returns the cubic polynomial ( a0x[i+1] + a1x[i+1] (t-i) + a2x[i+1] (t-i)^2 + a3x[i+1] (t-i)^3, a0y[i+1] + a1y[i+1] (t-i) + a2y[i+1] (t-i)^2 + a3y[i+1] (t-i)^3 )

 public PointList vertices

 public fCurve curve

The parametrized curve whose graph is the Bezier curve.

 public double tmin

The parameter limits for curve. Normally tmin=0, tmax = number of Bezier intervals.

 public double tmax

The parameter limits for curve. Normally tmin=0, tmax = number of Bezier intervals.

 public static long OPEN

 public static long CLOSED

 public static long FILLED

 public long type

The type determines whether the curve is plotted as an open or closed path, whether or not it is filled and so on. To determine the value of type, start with type=0. If you wish to have the curve itself plotted add either fFastBezier.OPEN or fFastBezier.CLOSED. In the latter case, a bezier segment from the last vertex to the first vertex is plotted in addition to the curve itself. If you wish to fill the curve add fFastBezier.FILLED.

 public Color defaultFillColor

The default color used to fill the curve on the screen.

 public Color fillColor

The color used to fill the curve on the screen.

 public double defaultPsFillGray

Controls the default density used to fill the curve in postscript. Black=0, white=1.

 public double psFillGray

Controls the density used to fill the curve in postscript. Black=0, white=1.

 public fFastBezier(PointList p)

Creates the fFastBezier whose vertices are listed in the PointList.

 public fFastBezier(PointList p,
                    long type)

Creates the fFastBezier whose vertices are listed in the PointList and also sets its type.

Parameters:

type - The type determines whether the curve is plotted as an open or closed path, whether or not it is filled and so on. To determine the value of type, start with type=0. If you wish to have the curve itself plotted add either fFastBezier.OPEN or fFastBezier.CLOSED. In the latter case, a bezier segment from the last vertex to the first vertex is plotted in addition to the curve itself. If you wish to fill the curve add fFastBezier.FILLED.

p - The list of vertices of the curve.

 public fFastBezier(PointList p,
                    long type,
                    Color color)

Creates the fFastBezier whose vertices are listed in the PointList and also sets its type and fillColor.

 public fFastBezier(PointList p,
                    int nopoints)

Creates the fFastBezier whose vertices are the first nopoints of the PointList.

 public fFastBezier(PointList p,
                    int nopoints,
                    long type)

 public fFastBezier(PointList p,
                    int nopoints,
                    long type,
                    Color color)

 public fFastBezier(double list[][])

Creates the fFastBezier whose vertices are taken from the array list.

 public fFastBezier(double list[][],
                    int nopoints)

Creates the fFastBezier whose vertices are the first nopoints of the array list.

 public fFastBezier(double list[][],
                    int nopoints,
                    long type)

 public fFastBezier(double list[][],
                    int nopoints,
                    long type,
                    Color color)

 public fFastBezier(double xlist[],
                    double ylist[],
                    int nopoints)

 public fFastBezier(double xlist[],
                    double ylist[],
                    int nopoints,
                    long type)

 public fFastBezier(double xlist[],
                    double ylist[],
                    int nopoints,
                    long type,
                    Color color)

 public double[] map(double t)

On the interval [i, i+1) returns the cubic polynomial ( a0x[i+1] + a1x[i+1] (t-i) + a2x[i+1] (t-i)^2 + a3x[i+1] (t-i)^3, a0y[i+1] + a1y[i+1] (t-i) + a2y[i+1] (t-i)^2 + a3y[i+1] (t-i)^3 )

 public void drawgfx(Figure fig,
                     Hashtable env,
                     V2V usr2pxl)

 public String drawps(Figure fig,
                      Hashtable env,
                      V2V usr2ps)

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