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java.awt.geom
Class QuadCurve2D.Double


java.lang.Object
  extended by java.awt.geom.QuadCurve2D
      extended by java.awt.geom.QuadCurve2D.Double
All Implemented Interfaces:
Shape , Serializable , Cloneable
Enclosing class:
QuadCurve2D 
public static class QuadCurve2D.Double
extends QuadCurve2D
implements Serializable

A quadratic parametric curve segment specified with double coordinates.

Since:
1.2
See Also:
Serialized Form

Nested Class Summary
 
Nested classes/interfaces inherited from class java.awt.geom. QuadCurve2D
QuadCurve2D.Double , QuadCurve2D.Float
 
Field Summary
 double ctrlx
          The X x coordinate of the control point of the quadratic curve segment.
 double ctrly
          The Y y coordinate of the control point of the quadratic curve segment.
 double x1
          The X x coordinate of the start point of the quadratic curve segment.
 double x2
          The X x coordinate of the end point of the quadratic curve segment.
 double y1
          The Y x coordinate of the start point of the quadratic curve segment.
 double y2
          The Y y coordinate of the end point of the quadratic curve segment.
 
Constructor Summary
QuadCurve2D.Double ()
          Constructs and initializes a QuadCurve2D with coordinates (0, 0, 0, 0, 0, 0).
QuadCurve2D.Double (double x1, double y1, double ctrlx, double ctrly, double x2, double y2)
          Constructs and initializes a QuadCurve2D from the specified double coordinates.
 
Method Summary
  Rectangle2D getBounds2D ()
          Returns a high precision and more accurate the bounding box of the Shape than the getBounds method. this QuadCurve2D.
  Point2D getCtrlPt ()
          Returns the control point.
 double getCtrlX ()
          Returns the X x coordinate of the control point in double precision.
 double getCtrlY ()
          Returns the Y y coordinate of the control point in double precision.
  Point2D getP1 ()
          Returns the start point.
  Point2D getP2 ()
          Returns the end point.
 double getX1 ()
          Returns the X x coordinate of the start point in double in precision.
 double getX2 ()
          Returns the X x coordinate of the end point in double precision.
 double getY1 ()
          Returns the Y y coordinate of the start point in double precision.
 double getY2 ()
          Returns the Y y coordinate of the end point in double precision.
 void setCurve (double x1, double y1, double ctrlx, double ctrly, double x2, double y2)
          Sets the location of the end points endpoints and control point controlpoint of this curve to the specified double coordinates.
 
Methods inherited from class java.awt.geom. QuadCurve2D
clone , contains , contains , contains , contains , getBounds , getFlatness , getFlatness , getFlatness , getFlatnessSq , getFlatnessSq , getFlatnessSq , getPathIterator , getPathIterator , intersects , intersects , setCurve , setCurve , setCurve , setCurve , solveQuadratic , solveQuadratic , subdivide , subdivide , subdivide
 
Methods inherited from class java.lang. Object
equals , finalize , getClass , hashCode , notify , notifyAll , toString , wait , wait , wait
 

Field Detail

x1


public double x1
The X x coordinate of the start point of the quadratic curve segment.

Since:
1.2

y1


public double y1
The Y x coordinate of the start point of the quadratic curve segment.

Since:
1.2

ctrlx


public double ctrlx
The X x coordinate of the control point of the quadratic curve segment.

Since:
1.2

ctrly


public double ctrly
The Y y coordinate of the control point of the quadratic curve segment.

Since:
1.2

x2


public double x2
The X x coordinate of the end point of the quadratic curve segment.

Since:
1.2

y2


public double y2
The Y y coordinate of the end point of the quadratic curve segment.

Since:
1.2
Constructor Detail

QuadCurve2D.Double


public QuadCurve2D.Double()
Constructs and initializes a QuadCurve2D with coordinates (0, 0, 0, 0, 0, 0).

Since:
1.2

QuadCurve2D.Double


public QuadCurve2D.Double(double x1,
                          double y1,
                          double ctrlx,
                          double ctrly,
                          double x2,
                          double y2)
Constructs and initializes a QuadCurve2D from the specified double coordinates.

Parameters:
x1 x1, y1 - the X coordinate coordinates of the start starting point
y1 ctrlx, ctrly - the Y coordinate coordinates of the start control point
ctrlx - the X coordinate of the control point
ctrly - the Y coordinate of the control point
x2 - the X coordinate of the end point
y2 - the Y coordinate of the end point
Since:
1.2
x2, y2 - the coordinates of the ending point
Method Detail

getX1


public double getX1()
Returns the X x coordinate of the start point in double in precision.

Specified by:
getX1 in class QuadCurve2D
Returns:
the X coordinate of the start point.
Since:
1.2
the x coordinate of the starting point.

getY1


public double getY1()
Returns the Y y coordinate of the start point in double precision.

Specified by:
getY1 in class QuadCurve2D
Returns:
the Y coordinate of the start point.
Since:
1.2
the y coordiante of the starting point.

getP1


public Point2D getP1()
Returns the start point.

Specified by:
getP1 in class QuadCurve2D
Returns:
a Point2D that is the start starting point of this QuadCurve2D.
Since:
1.2

getCtrlX


public double getCtrlX()
Returns the X x coordinate of the control point in double precision.

Specified by:
getCtrlX in class QuadCurve2D
Returns:
X coordinate the control point
Since:
1.2
the x coordinate of the control point.

getCtrlY


public double getCtrlY()
Returns the Y y coordinate of the control point in double precision.

Specified by:
getCtrlY in class QuadCurve2D
Returns:
the Y coordinate of the control point.
Since:
1.2
the y coordiante of the control point.

getCtrlPt


public Point2D getCtrlPt()
Returns the control point.

Specified by:
getCtrlPt in class QuadCurve2D
Returns:
a Point2D object that is the control point of this Point2D.
Since:
1.2
QuadCurve2D.

getX2


public double getX2()
Returns the X x coordinate of the end point in double precision.

Specified by:
getX2 in class QuadCurve2D
Returns:
the x coordiante of the end point.
Since:
1.2

getY2


public double getY2()
Returns the Y y coordinate of the end point in double precision.

Specified by:
getY2 in class QuadCurve2D
Returns:
the Y coordinate of the end point.
Since:
1.2
the y coordiante of the end point.

getP2


public Point2D getP2()
Returns the end point.

Specified by:
getP2 in class QuadCurve2D
Returns:
a Point object Point2D that is the end point of this Point2D.
Since:
1.2
QuadCurve2D.

setCurve


public void setCurve(double x1,
                     double y1,
                     double ctrlx,
                     double ctrly,
                     double x2,
                     double y2)
Sets the location of the end points endpoints and control point controlpoint of this curve to the specified double coordinates.

Specified by:
setCurve in class QuadCurve2D
Parameters:
x1 x1, y1 - the X coordinate coordinates of the start starting point
y1 ctrlx, ctrly - the Y coordinate coordinates of the start control point
ctrlx - the X coordinate of the control point
ctrly - the Y coordinate of the control point
x2 - the X coordinate of the end point
y2 - the Y coordinate of the end point
Since:
1.2
x2, y2 - the coordinates of the ending point

getBounds2D


public Rectangle2D getBounds2D()
Returns a high precision and more accurate bounding box of the Shape than the getBounds method. Note that there is no guarantee that the returned Rectangle2D is the smallest bounding box that encloses the Shape, only that the Shape lies entirely within the indicated Rectangle2D. The bounding box returned by this method is usually tighter than that returned by the getBounds method and never fails due to overflow problems since the return value can be an instance of the Rectangle2D that uses double precision values to store the dimensions. Returns the bounding box of this QuadCurve2D.

Specified by:
getBounds2D in interface Shape
Returns:
an instance of a Rectangle2D that is a high-precision the bounding box of the Shape. shape of this QuadCurve2D.
Since:
1.2
See Also:
Shape.getBounds()