com.sun.javafx.tk.quantum.PathIteratorHelper Maven / Gradle / Ivy
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package com.sun.javafx.tk.quantum;
import com.sun.javafx.geom.PathIterator;
class PathIteratorHelper {
public static final class Struct {
float f0, f1, f2, f3, f4, f5;
}
private PathIterator itr;
private float[] f = new float[6];
public PathIteratorHelper(PathIterator itr) {
this.itr = itr;
}
/**
* Returns the winding rule for determining the interior of the
* path.
*/
public int getWindingRule() {
return itr.getWindingRule();
}
/**
* Tests if the iteration is complete.
* @return true if all the segments have
* been read; false otherwise.
*/
public boolean isDone() {
return itr.isDone();
}
/**
* Moves the iterator to the next segment of the path forwards
* along the primary direction of traversal as long as there are
* more points in that direction.
*/
public void next() {
itr.next();
}
/**
* Returns the coordinates and type of the current path segment in
* the iteration.
* The return value is the path-segment type:
* SEG_MOVETO, SEG_LINETO, SEG_QUADTO, SEG_CUBICTO, or SEG_CLOSE.
* A float array of length 6 must be passed in and can be used to
* store the coordinates of the point(s).
* Each point is stored as a pair of float x,y coordinates.
* SEG_MOVETO and SEG_LINETO types returns one point,
* SEG_QUADTO returns two points,
* SEG_CUBICTO returns 3 points
* and SEG_CLOSE does not return any points.
* @param coords an array that holds the data returned from
* this method
* @return the path-segment type of the current path segment.
* @see #SEG_MOVETO
* @see #SEG_LINETO
* @see #SEG_QUADTO
* @see #SEG_CUBICTO
* @see #SEG_CLOSE
*/
public int currentSegment(Struct struct) {
int ret = itr.currentSegment(f);
struct.f0 = f[0];
struct.f1 = f[1];
struct.f2 = f[2];
struct.f3 = f[3];
struct.f4 = f[4];
struct.f5 = f[5];
return ret;
}
}