Class Arc2D.Double
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:
- 
Nested Class SummaryNested classes/interfaces declared in class java.awt.geom.Arc2DArc2D.Double, Arc2D.Float
- 
Field SummaryFieldsModifier 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 SummaryConstructorsConstructorDescriptionDouble()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 SummaryModifier 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.Arc2Dcontains, 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.RectangularShapeclone, contains, getBounds, getCenterX, getCenterY, getFrame, getMaxX, getMaxY, getMinX, getMinY, getPathIterator, intersects, setFrame, setFrame, setFrameFromCenter, setFrameFromCenter, setFrameFromDiagonal, setFrameFromDiagonal
- 
Field Details- 
xpublic double xThe X coordinate of the upper-left corner of the framing rectangle of the arc.- Since:
- 1.2
 
- 
ypublic double yThe Y coordinate of the upper-left corner of the framing rectangle of the arc.- Since:
- 1.2
 
- 
widthpublic double widthThe overall width of the full ellipse of which this arc is a partial section (not considering the angular extents).- Since:
- 1.2
 
- 
heightpublic double heightThe overall height of the full ellipse of which this arc is a partial section (not considering the angular extents).- Since:
- 1.2
 
- 
startpublic double startThe starting angle of the arc in degrees.- Since:
- 1.2
 
- 
extentpublic double extentThe angular extent of the arc in degrees.- Since:
- 1.2
 
 
- 
- 
Constructor Details- 
Doublepublic Double()Constructs a new OPEN arc, initialized to location (0, 0), size (0, 0), angular extents (start = 0, extent = 0).- Since:
- 1.2
 
- 
Doublepublic 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, or- Arc2D.PIE.
- Since:
- 1.2
 
- 
Doublepublic 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, or- Arc2D.PIE.
- Since:
- 1.2
 
- 
DoubleConstructs 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, or- Arc2D.PIE.
- Since:
- 1.2
 
 
- 
- 
Method Details- 
getXpublic 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 class- RectangularShape
- Returns:
- the X coordinate of the upper-left corner of the framing rectangle.
- Since:
- 1.2
 
- 
getYpublic 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 class- RectangularShape
- Returns:
- the Y coordinate of the upper-left corner of the framing rectangle.
- Since:
- 1.2
 
- 
getWidthpublic double getWidth()Returns the width of the framing rectangle indoubleprecision. Note that the arc partially inscribes the framing rectangle of thisRectangularShape.- Specified by:
- getWidthin class- RectangularShape
- Returns:
- the width of the framing rectangle.
- Since:
- 1.2
 
- 
getHeightpublic double getHeight()Returns the height of the framing rectangle indoubleprecision. Note that the arc partially inscribes the framing rectangle of thisRectangularShape.- Specified by:
- getHeightin class- RectangularShape
- Returns:
- the height of the framing rectangle.
- Since:
- 1.2
 
- 
getAngleStartpublic double getAngleStart()Returns the starting angle of the arc.- Specified by:
- getAngleStartin class- Arc2D
- Returns:
- A double value that represents the starting angle of the arc in degrees.
- Since:
- 1.2
- See Also:
 
- 
getAngleExtentpublic double getAngleExtent()Returns the angular extent of the arc.- Specified by:
- getAngleExtentin class- Arc2D
- Returns:
- A double value that represents the angular extent of the arc in degrees.
- Since:
- 1.2
- See Also:
 
- 
isEmptypublic boolean isEmpty()Determines whether theRectangularShapeis empty. When theRectangularShapeis empty, it encloses no area.- Specified by:
- isEmptyin class- RectangularShape
- Returns:
- trueif the- RectangularShapeis empty;- falseotherwise.
- Since:
- 1.2
 
- 
setArcpublic 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 class- Arc2D
- 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, or- Arc2D.PIE.
- Since:
- 1.2
 
- 
setAngleStartpublic void setAngleStart(double angSt) Sets the starting angle of this arc to the specified double value.- Specified by:
- setAngleStartin class- Arc2D
- Parameters:
- angSt- The starting angle of the arc in degrees.
- Since:
- 1.2
- See Also:
 
- 
setAngleExtentpublic void setAngleExtent(double angExt) Sets the angular extent of this arc to the specified double value.- Specified by:
- setAngleExtentin class- Arc2D
- Parameters:
- angExt- The angular extent of the arc in degrees.
- Since:
- 1.2
- See Also:
 
- 
makeBoundsConstructs aRectangle2Dof the appropriate precision to hold the parameters calculated to be the framing rectangle of this arc.- Specified by:
- makeBoundsin class- Arc2D
- 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
 
 
-