Package com.github.weisj.jsvg.geometry.util

Class ReversePathIterator

java.lang.Object
com.github.weisj.jsvg.geometry.util.ReversePathIterator
All Implemented Interfaces:
PathIterator
public final class ReversePathIterator extends Object implements PathIterator
A path iterator which iterates over a path in the reverse direction. This is missing in the java.awt.geom package, although it's quite simple to implement. After initialization the original PathIterator is not used any longer.

  • Constructor Details

    • ReversePathIterator

      public ReversePathIterator(PathIterator original)
      Create an inverted path iterator from a standard one, keeping the winding rule.
      Parameters:
      original - original iterator

    • ReversePathIterator

      public ReversePathIterator(PathIterator original, int windingRule)
      Create an inverted path iterator from a standard one.
      Parameters:
      original - original iterator
      windingRule - winding rule of newly created iterator

  • Method Details

    • getWindingRule

      public int getWindingRule()
      Returns the winding rule for determining the interior of the path.
      Specified by:
      getWindingRule in interface PathIterator
      Returns:
      the winding rule.
      See Also:

    • next

      public void next()
      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.
      Specified by:
      next in interface PathIterator

    • isDone

      public boolean isDone()
      Tests if the iteration is complete.
      Specified by:
      isDone in interface PathIterator
      Returns:
      true if all the segments have been read; false otherwise.

    • currentSegment

      public int currentSegment(double[] coords)
      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 double 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 double 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.
      Specified by:
      currentSegment in interface PathIterator
      Parameters:
      coords - an array that holds the data returned from this method
      Returns:
      the path-segment type of the current path segment.
      See Also:

    • currentSegment

      public int currentSegment(float[] coords)
      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.
      Specified by:
      currentSegment in interface PathIterator
      Parameters:
      coords - an array that holds the data returned from this method
      Returns:
      the path-segment type of the current path segment.
      See Also: