java.lang.Object
java.awt.geom.RectangularShape
java.awt.geom.Arc2D
java.awt.geom.Arc2D.Double
- All Implemented Interfaces:
Shape,Serializable,Cloneable
- Enclosing class:
- Arc2D
This class defines an arc specified in
double precision.- Since:
- 1.2
- See Also:
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Nested Class Summary
Nested classes/interfaces declared in class java.awt.geom.Arc2D
Arc2D.Double, Arc2D.Float -
Field Summary
FieldsModifier and TypeFieldDescriptiondoubleThe angular extent of the arc in degrees.doubleThe overall height of the full ellipse of which this arc is a partial section (not considering the angular extents).doubleThe starting angle of the arc in degrees.doubleThe overall width of the full ellipse of which this arc is a partial section (not considering the angular extents).doubleThe X coordinate of the upper-left corner of the framing rectangle of the arc.doubleThe Y coordinate of the upper-left corner of the framing rectangle of the arc. -
Constructor Summary
ConstructorsConstructorDescriptionDouble()Constructs a new OPEN arc, initialized to location (0, 0), size (0, 0), angular extents (start = 0, extent = 0).Double(double x, double y, double w, double h, double start, double extent, int type) Constructs a new arc, initialized to the specified location, size, angular extents, and closure type.Double(int type) Constructs a new arc, initialized to location (0, 0), size (0, 0), angular extents (start = 0, extent = 0), and the specified closure type.Double(Rectangle2D ellipseBounds, double start, double extent, int type) Constructs a new arc, initialized to the specified location, size, angular extents, and closure type. -
Method Summary
Modifier and TypeMethodDescriptiondoubleReturns the angular extent of the arc.doubleReturns the starting angle of the arc.doubleReturns the height of the framing rectangle indoubleprecision.doublegetWidth()Returns the width of the framing rectangle indoubleprecision.doublegetX()Returns the X coordinate of the upper-left corner of the framing rectangle indoubleprecision.doublegetY()Returns the Y coordinate of the upper-left corner of the framing rectangle indoubleprecision.booleanisEmpty()Determines whether theRectangularShapeis empty.protected Rectangle2DmakeBounds(double x, double y, double w, double h) Constructs aRectangle2Dof the appropriate precision to hold the parameters calculated to be the framing rectangle of this arc.voidsetAngleExtent(double angExt) Sets the angular extent of this arc to the specified double value.voidsetAngleStart(double angSt) Sets the starting angle of this arc to the specified double value.voidsetArc(double x, double y, double w, double h, double angSt, double angExt, int closure) Sets the location, size, angular extents, and closure type of this arc to the specified double values.Methods declared in class java.awt.geom.Arc2D
contains, contains, contains, containsAngle, equals, getArcType, getBounds2D, getEndPoint, getPathIterator, getStartPoint, hashCode, intersects, setAngles, setAngles, setAngleStart, setArc, setArc, setArc, setArcByCenter, setArcByTangent, setArcType, setFrameMethods declared in class java.awt.geom.RectangularShape
clone, contains, getBounds, getCenterX, getCenterY, getFrame, getMaxX, getMaxY, getMinX, getMinY, getPathIterator, intersects, setFrame, setFrame, setFrameFromCenter, setFrameFromCenter, setFrameFromDiagonal, setFrameFromDiagonal
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Field Details
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x
public double xThe X coordinate of the upper-left corner of the framing rectangle of the arc.- Since:
- 1.2
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y
public double yThe Y coordinate of the upper-left corner of the framing rectangle of the arc.- Since:
- 1.2
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width
public double widthThe overall width of the full ellipse of which this arc is a partial section (not considering the angular extents).- Since:
- 1.2
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height
public double heightThe overall height of the full ellipse of which this arc is a partial section (not considering the angular extents).- Since:
- 1.2
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start
public double startThe starting angle of the arc in degrees.- Since:
- 1.2
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extent
public double extentThe angular extent of the arc in degrees.- Since:
- 1.2
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Constructor Details
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Double
public Double()Constructs a new OPEN arc, initialized to location (0, 0), size (0, 0), angular extents (start = 0, extent = 0).- Since:
- 1.2
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Double
public Double(int type) Constructs a new arc, initialized to location (0, 0), size (0, 0), angular extents (start = 0, extent = 0), and the specified closure type.- Parameters:
type- The closure type for the arc:Arc2D.OPEN,Arc2D.CHORD, orArc2D.PIE.- Since:
- 1.2
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Double
public Double(double x, double y, double w, double h, double start, double extent, int type) Constructs a new arc, initialized to the specified location, size, angular extents, and closure type.- Parameters:
x- The X coordinate of the upper-left corner of the arc's framing rectangle.y- The Y coordinate of the upper-left corner of the arc's framing rectangle.w- The overall width of the full ellipse of which this arc is a partial section.h- The overall height of the full ellipse of which this arc is a partial section.start- The starting angle of the arc in degrees.extent- The angular extent of the arc in degrees.type- The closure type for the arc:Arc2D.OPEN,Arc2D.CHORD, orArc2D.PIE.- Since:
- 1.2
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Double
Constructs a new arc, initialized to the specified location, size, angular extents, and closure type.- Parameters:
ellipseBounds- The framing rectangle that defines the outer boundary of the full ellipse of which this arc is a partial section.start- The starting angle of the arc in degrees.extent- The angular extent of the arc in degrees.type- The closure type for the arc:Arc2D.OPEN,Arc2D.CHORD, orArc2D.PIE.- Since:
- 1.2
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Method Details
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getX
public double getX()Returns the X coordinate of the upper-left corner of the framing rectangle indoubleprecision. Note that the arc partially inscribes the framing rectangle of thisRectangularShape.- Specified by:
getXin classRectangularShape- Returns:
- the X coordinate of the upper-left corner of the framing rectangle.
- Since:
- 1.2
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getY
public double getY()Returns the Y coordinate of the upper-left corner of the framing rectangle indoubleprecision. Note that the arc partially inscribes the framing rectangle of thisRectangularShape.- Specified by:
getYin classRectangularShape- Returns:
- the Y coordinate of the upper-left corner of the framing rectangle.
- Since:
- 1.2
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getWidth
public double getWidth()Returns the width of the framing rectangle indoubleprecision. Note that the arc partially inscribes the framing rectangle of thisRectangularShape.- Specified by:
getWidthin classRectangularShape- Returns:
- the width of the framing rectangle.
- Since:
- 1.2
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getHeight
public double getHeight()Returns the height of the framing rectangle indoubleprecision. Note that the arc partially inscribes the framing rectangle of thisRectangularShape.- Specified by:
getHeightin classRectangularShape- Returns:
- the height of the framing rectangle.
- Since:
- 1.2
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getAngleStart
public double getAngleStart()Returns the starting angle of the arc.- Specified by:
getAngleStartin classArc2D- Returns:
- A double value that represents the starting angle of the arc in degrees.
- Since:
- 1.2
- See Also:
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getAngleExtent
public double getAngleExtent()Returns the angular extent of the arc.- Specified by:
getAngleExtentin classArc2D- Returns:
- A double value that represents the angular extent of the arc in degrees.
- Since:
- 1.2
- See Also:
-
isEmpty
public boolean isEmpty()Determines whether theRectangularShapeis empty. When theRectangularShapeis empty, it encloses no area.- Specified by:
isEmptyin classRectangularShape- Returns:
trueif theRectangularShapeis empty;falseotherwise.- Since:
- 1.2
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setArc
public void setArc(double x, double y, double w, double h, double angSt, double angExt, int closure) Sets the location, size, angular extents, and closure type of this arc to the specified double values.- Specified by:
setArcin classArc2D- Parameters:
x- The X coordinate of the upper-left corner of the arc.y- The Y coordinate of the upper-left corner of the arc.w- The overall width of the full ellipse of which this arc is a partial section.h- The overall height of the full ellipse of which this arc is a partial section.angSt- The starting angle of the arc in degrees.angExt- The angular extent of the arc in degrees.closure- The closure type for the arc:Arc2D.OPEN,Arc2D.CHORD, orArc2D.PIE.- Since:
- 1.2
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setAngleStart
public void setAngleStart(double angSt) Sets the starting angle of this arc to the specified double value.- Specified by:
setAngleStartin classArc2D- Parameters:
angSt- The starting angle of the arc in degrees.- Since:
- 1.2
- See Also:
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setAngleExtent
public void setAngleExtent(double angExt) Sets the angular extent of this arc to the specified double value.- Specified by:
setAngleExtentin classArc2D- Parameters:
angExt- The angular extent of the arc in degrees.- Since:
- 1.2
- See Also:
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makeBounds
Constructs aRectangle2Dof the appropriate precision to hold the parameters calculated to be the framing rectangle of this arc.- Specified by:
makeBoundsin classArc2D- Parameters:
x- The X coordinate of the upper-left corner of the framing rectangle.y- The Y coordinate of the upper-left corner of the framing rectangle.w- The width of the framing rectangle.h- The height of the framing rectangle.- Returns:
- a
Rectangle2Dthat is the framing rectangle of this arc. - Since:
- 1.2
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