pythagoras.f

Class QuadCurves

java.lang.Object

pythagoras.f.QuadCurves

public class QuadCurves
extends Object

Quad curve-related utility methods.

Constructor Summary

Constructors

Constructor and Description
QuadCurves()

Method Summary

Modifier and Type	Method and Description
static float	flatness(float[] coords, int offset)
static float	flatness(float x1, float y1, float ctrlx, float ctrly, float x2, float y2)
static float	flatnessSq(float[] coords, int offset)
static float	flatnessSq(float x1, float y1, float ctrlx, float ctrly, float x2, float y2)
static int	solveQuadratic(float[] eqn)
static int	solveQuadratic(float[] eqn, float[] res)
static void	subdivide(float[] src, int srcoff, float[] left, int leftOff, float[] right, int rightOff)
static void	subdivide(IQuadCurve src, QuadCurve left, QuadCurve right)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

QuadCurves

public QuadCurves()

Method Detail

flatnessSq

public static float flatnessSq(float x1,
                               float y1,
                               float ctrlx,
                               float ctrly,
                               float x2,
                               float y2)

flatnessSq

public static float flatnessSq(float[] coords,
                               int offset)

flatness

public static float flatness(float x1,
                             float y1,
                             float ctrlx,
                             float ctrly,
                             float x2,
                             float y2)

flatness

public static float flatness(float[] coords,
                             int offset)

subdivide

public static void subdivide(IQuadCurve src,
                             QuadCurve left,
                             QuadCurve right)

subdivide

public static void subdivide(float[] src,
                             int srcoff,
                             float[] left,
                             int leftOff,
                             float[] right,
                             int rightOff)

solveQuadratic

public static int solveQuadratic(float[] eqn)

solveQuadratic

public static int solveQuadratic(float[] eqn,
                                 float[] res)