java.lang.Object
java.awt.geom.QuadCurve2D
java.awt.geom.QuadCurve2D.Double
- All Implemented Interfaces:
Shape,Serializable,Cloneable
- Enclosing class:
- QuadCurve2D
A quadratic parametric curve segment specified with
double coordinates.- Since:
- 1.2
- See Also:
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Nested Class Summary
Nested classes/interfaces declared in class java.awt.geom.QuadCurve2D
QuadCurve2D.Double, QuadCurve2D.Float -
Field Summary
FieldsModifier and TypeFieldDescriptiondoubleThe X coordinate of the control point of the quadratic curve segment.doubleThe Y coordinate of the control point of the quadratic curve segment.doubleThe X coordinate of the start point of the quadratic curve segment.doubleThe X coordinate of the end point of the quadratic curve segment.doubleThe Y coordinate of the start point of the quadratic curve segment.doubleThe Y coordinate of the end point of the quadratic curve segment. -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionReturns a high precision and more accurate bounding box of theShapethan thegetBoundsmethod.Returns the control point.doublegetCtrlX()Returns the X coordinate of the control point indoubleprecision.doublegetCtrlY()Returns the Y coordinate of the control point indoubleprecision.getP1()Returns the start point.getP2()Returns the end point.doublegetX1()Returns the X coordinate of the start point indoublein precision.doublegetX2()Returns the X coordinate of the end point indoubleprecision.doublegetY1()Returns the Y coordinate of the start point indoubleprecision.doublegetY2()Returns the Y coordinate of the end point indoubleprecision.voidsetCurve(double x1, double y1, double ctrlx, double ctrly, double x2, double y2) Sets the location of the end points and control point of this curve to the specifieddoublecoordinates.Methods declared in 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
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Field Details
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x1
public double x1The X coordinate of the start point of the quadratic curve segment.- Since:
- 1.2
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y1
public double y1The Y coordinate of the start point of the quadratic curve segment.- Since:
- 1.2
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ctrlx
public double ctrlxThe X coordinate of the control point of the quadratic curve segment.- Since:
- 1.2
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ctrly
public double ctrlyThe Y coordinate of the control point of the quadratic curve segment.- Since:
- 1.2
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x2
public double x2The X coordinate of the end point of the quadratic curve segment.- Since:
- 1.2
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y2
public double y2The Y coordinate of the end point of the quadratic curve segment.- Since:
- 1.2
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Constructor Details
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Double
public Double()Constructs and initializes aQuadCurve2Dwith coordinates (0, 0, 0, 0, 0, 0).- Since:
- 1.2
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Double
public Double(double x1, double y1, double ctrlx, double ctrly, double x2, double y2) Constructs and initializes aQuadCurve2Dfrom the specifieddoublecoordinates.- Parameters:
x1- the X coordinate of the start pointy1- the Y coordinate of the start pointctrlx- the X coordinate of the control pointctrly- the Y coordinate of the control pointx2- the X coordinate of the end pointy2- the Y coordinate of the end point- Since:
- 1.2
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Method Details
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getX1
public double getX1()Returns the X coordinate of the start point indoublein precision.- Specified by:
getX1in classQuadCurve2D- Returns:
- the X coordinate of the start point.
- Since:
- 1.2
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getY1
public double getY1()Returns the Y coordinate of the start point indoubleprecision.- Specified by:
getY1in classQuadCurve2D- Returns:
- the Y coordinate of the start point.
- Since:
- 1.2
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getP1
Returns the start point.- Specified by:
getP1in classQuadCurve2D- Returns:
- a
Point2Dthat is the start point of thisQuadCurve2D. - Since:
- 1.2
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getCtrlX
public double getCtrlX()Returns the X coordinate of the control point indoubleprecision.- Specified by:
getCtrlXin classQuadCurve2D- Returns:
- X coordinate the control point
- Since:
- 1.2
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getCtrlY
public double getCtrlY()Returns the Y coordinate of the control point indoubleprecision.- Specified by:
getCtrlYin classQuadCurve2D- Returns:
- the Y coordinate of the control point.
- Since:
- 1.2
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getCtrlPt
Returns the control point.- Specified by:
getCtrlPtin classQuadCurve2D- Returns:
- a
Point2Dthat is the control point of thisPoint2D. - Since:
- 1.2
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getX2
public double getX2()Returns the X coordinate of the end point indoubleprecision.- Specified by:
getX2in classQuadCurve2D- Returns:
- the x coordinate of the end point.
- Since:
- 1.2
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getY2
public double getY2()Returns the Y coordinate of the end point indoubleprecision.- Specified by:
getY2in classQuadCurve2D- Returns:
- the Y coordinate of the end point.
- Since:
- 1.2
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getP2
Returns the end point.- Specified by:
getP2in classQuadCurve2D- Returns:
- a
Pointobject that is the end point of thisPoint2D. - Since:
- 1.2
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setCurve
public void setCurve(double x1, double y1, double ctrlx, double ctrly, double x2, double y2) Sets the location of the end points and control point of this curve to the specifieddoublecoordinates.- Specified by:
setCurvein classQuadCurve2D- Parameters:
x1- the X coordinate of the start pointy1- the Y coordinate of the start pointctrlx- the X coordinate of the control pointctrly- the Y coordinate of the control pointx2- the X coordinate of the end pointy2- the Y coordinate of the end point- Since:
- 1.2
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getBounds2D
Returns a high precision and more accurate bounding box of theShapethan thegetBoundsmethod. Note that there is no guarantee that the returnedRectangle2Dis the smallest bounding box that encloses theShape, only that theShapelies entirely within the indicatedRectangle2D. The bounding box returned by this method is usually tighter than that returned by thegetBoundsmethod and never fails due to overflow problems since the return value can be an instance of theRectangle2Dthat uses double precision values to store the dimensions.Note that the definition of insideness can lead to situations where points on the defining outline of the
shapemay not be considered contained in the returnedboundsobject, but only in cases where those points are also not considered contained in the originalshape.If a
pointis inside theshapeaccording to thecontains(point)method, then it must be inside the returnedRectangle2Dbounds object according to thecontains(point)method of thebounds. Specifically:shape.contains(p)requiresbounds.contains(p)If a
pointis not inside theshape, then it might still be contained in theboundsobject:bounds.contains(p)does not implyshape.contains(p)- Specified by:
getBounds2Din interfaceShape- Returns:
- an instance of
Rectangle2Dthat is a high-precision bounding box of theShape. - Since:
- 1.2
- See Also:
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