Package com.mxgraph.util.svg
Interface ExtendedPathIterator

public interface ExtendedPathIterator
TheExtendedPathIterator
class represents a geometric path constructed from straight lines, quadratic and cubic (Bezier) curves and elliptical arcs. This interface is identical to that of PathIterator except it can return SEG_ARCTO from currentSegment, also the array of values passed to currentSegment must be of length 7 or an error will be thrown. This does not extend PathIterator as it would break the interface contract for that class.


Field Summary
Fields Modifier and Type Field Description static int
SEG_ARCTO
The segment type constant for an elliptical arc.static int
SEG_CLOSE
The segment type constant that specifies that the preceding subpath should be closed by appending a line segment back to the point corresponding to the most recent SEG_MOVETO.static int
SEG_CUBICTO
The segment type constant for the set of 3 points that specify a cubic parametric curve to be drawn from the most recently specified point.static int
SEG_LINETO
The segment type constant for a point that specifies the end point of a line to be drawn from the most recently specified point.static int
SEG_MOVETO
The segment type constant for a point that specifies the end point of a line to be drawn from the most recently specified point.static int
SEG_QUADTO
The segment type constant for the pair of points that specify a quadratic parametric curve to be drawn from the most recently specified point.static int
WIND_EVEN_ODD
The winding rule constant for specifying an evenodd rule for determining the interior of a path.static int
WIND_NON_ZERO
The winding rule constant for specifying a nonzero rule for determining the interior of a path.

Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description int
currentSegment()
int
currentSegment(double[] coords)
int
currentSegment(float[] coords)
int
getWindingRule()
boolean
isDone()
void
next()



Field Detail

SEG_CLOSE
static final int SEG_CLOSE
The segment type constant that specifies that the preceding subpath should be closed by appending a line segment back to the point corresponding to the most recent SEG_MOVETO. See Also:
 Constant Field Values

SEG_MOVETO
static final int SEG_MOVETO
The segment type constant for a point that specifies the end point of a line to be drawn from the most recently specified point. See Also:
 Constant Field Values

SEG_LINETO
static final int SEG_LINETO
The segment type constant for a point that specifies the end point of a line to be drawn from the most recently specified point. See Also:
 Constant Field Values

SEG_QUADTO
static final int SEG_QUADTO
The segment type constant for the pair of points that specify a quadratic parametric curve to be drawn from the most recently specified point. The curve is interpolated by solving the parametric control equation in the range (t=[0..1]) using the most recently specified (current) point (CP), the first control point (P1), and the final interpolated control point (P2). See Also:
 Constant Field Values

SEG_CUBICTO
static final int SEG_CUBICTO
The segment type constant for the set of 3 points that specify a cubic parametric curve to be drawn from the most recently specified point. The curve is interpolated by solving the parametric control equation in the range (t=[0..1]) using the most recently specified (current) point (CP), the first control point (P1), the second control point (P2), and the final interpolated control point (P3). See Also:
 Constant Field Values

SEG_ARCTO
static final int SEG_ARCTO
The segment type constant for an elliptical arc. This consists of Seven values [rx, ry, angle, largeArcFlag, sweepFlag, x, y]. rx, ry are the radious of the ellipse. angle is angle of the x axis of the ellipse. largeArcFlag is zero if the smaller of the two arcs are to be used. sweepFlag is zero if the 'left' branch is taken one otherwise. x and y are the destination for the ellipse. See Also:
 Constant Field Values

WIND_EVEN_ODD
static final int WIND_EVEN_ODD
The winding rule constant for specifying an evenodd rule for determining the interior of a path. The evenodd rule specifies that a point lies inside the path if a ray drawn in any direction from that point to infinity is crossed by path segments an odd number of times. See Also:
 Constant Field Values

WIND_NON_ZERO
static final int WIND_NON_ZERO
The winding rule constant for specifying a nonzero rule for determining the interior of a path. The nonzero rule specifies that a point lies inside the path if a ray drawn in any direction from that point to infinity is crossed by path segments a different number of times in the counterclockwise direction than the clockwise direction. See Also:
 Constant Field Values

