Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Uses of Class java.awt.geom.Point2D - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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Java^TM 2 Platform
Standard Edition

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Uses of Class
java.awt.geom.Point2D

Packages that use Point2D
java.awt	Contains all of the classes for creating user interfaces and for painting graphics and images.
java.awt.font	Provides classes and interface relating to fonts.
java.awt.geom	Provides the Java 2D classes for defining and performing operations on objects related to two-dimensional geometry.
java.awt.image	Provides classes for creating and modifying images.

Uses of Point2D in java.awt

Subclasses of Point2D in java.awt

class Point
A point representing a location in (x, y) coordinate space, specified in integer precision.

Methods in java.awt that return Point2D

Point2D GradientPaint.getPoint1()
Returns a copy of the point P1 that anchors the first color.

Point2D GradientPaint.getPoint2()
Returns a copy of the point P2 which anchors the second color.

Methods in java.awt with parameters of type Point2D

boolean Shape.contains(Point2D p)
Tests if a specified Point2D is inside the boundary of the Shape.

boolean Polygon.contains(Point2D p)
Tests if a specified Point2D is inside the boundary of this Polygon.

Constructors in java.awt with parameters of type Point2D

GradientPaint.GradientPaint(Point2D pt1, Color color1, Point2D pt2, Color color2)
Constructs a simple acyclic GradientPaint object.

GradientPaint.GradientPaint(Point2D pt1, Color color1, Point2D pt2, Color color2, boolean cyclic)
Constructs either a cyclic or acyclic GradientPaint object depending on the boolean parameter.

Uses of Point2D in java.awt.font

Methods in java.awt.font that return Point2D

abstract Point2D GlyphVector.getGlyphPosition(int glyphIndex)
Returns the position of the specified glyph within this GlyphVector.

Methods in java.awt.font with parameters of type Point2D

abstract void GlyphVector.setGlyphPosition(int glyphIndex, Point2D newPos)
Sets the position of the specified glyph within this GlyphVector.

Uses of Point2D in java.awt.geom

Subclasses of Point2D in java.awt.geom

static class Point2D.Double
The Double class defines a point specified in double precision.

static class Point2D.Float
The Float class defines a point specified in float precision.

Methods in java.awt.geom that return Point2D

Point2D AffineTransform.transform(Point2D ptSrc, Point2D ptDst)
          Transforms the specified ptSrc and stores the result in ptDst.

Point2D AffineTransform.inverseTransform(Point2D ptSrc, Point2D ptDst)
          Inverse transforms the specified ptSrc and stores the result in ptDst.

Point2D AffineTransform.deltaTransform(Point2D ptSrc, Point2D ptDst)
          Transforms the relative distance vector specified by ptSrc and stores the result in ptDst.

abstract Point2D Line2D.getP1()
          Returns the starting Point2D of this Line2D.

abstract Point2D Line2D.getP2()
          Returns the end Point2D of this Line2D.

Point2D Line2D.Float.getP1()
          Returns the start point.

Point2D Line2D.Float.getP2()
          Returns the end point.

Point2D Line2D.Double.getP1()
          Returns the starting Point2D of this Line2D.

Point2D Line2D.Double.getP2()
          Returns the end Point2D of this Line2D.

abstract Point2D CubicCurve2D.getP1()
          Returns the start point.

abstract Point2D CubicCurve2D.getCtrlP1()
          Returns the first control point.

abstract Point2D CubicCurve2D.getCtrlP2()
          Returns the second control point.

abstract Point2D CubicCurve2D.getP2()
          Returns the end point.

Point2D CubicCurve2D.Float.getP1()
          Returns the start point.

Point2D CubicCurve2D.Float.getCtrlP1()
          Returns the first control point.

Point2D CubicCurve2D.Float.getCtrlP2()
          Returns the second control point.

Point2D CubicCurve2D.Float.getP2()
          Returns the end point.

Point2D CubicCurve2D.Double.getP1()
          Returns the start point.

Point2D CubicCurve2D.Double.getCtrlP1()
          Returns the first control point.

Point2D CubicCurve2D.Double.getCtrlP2()
          Returns the second control point.

Point2D CubicCurve2D.Double.getP2()
          Returns the end point.

Point2D GeneralPath.getCurrentPoint()
          Returns the coordinates most recently added to the end of the path as a Point2D object.

Point2D Arc2D.getStartPoint()
          Returns the starting point of the arc.

Point2D Arc2D.getEndPoint()
          Returns the ending point of the arc.

abstract Point2D QuadCurve2D.getP1()
          Returns the start point.

abstract Point2D QuadCurve2D.getCtrlPt()
          Returns the control point.

abstract Point2D QuadCurve2D.getP2()
          Returns the end point.

Point2D QuadCurve2D.Float.getP1()
          Returns the start point.

Point2D QuadCurve2D.Float.getCtrlPt()
          Returns the control point.

Point2D QuadCurve2D.Float.getP2()
          Returns the end point.

Point2D QuadCurve2D.Double.getP1()
          Returns the start point.

Point2D QuadCurve2D.Double.getCtrlPt()
          Returns the control point.

Point2D QuadCurve2D.Double.getP2()
          Returns the end point.

Methods in java.awt.geom with parameters of type Point2D

void Point2D.setLocation(Point2D p)
          Sets the location of this Point2D to the same coordinates as the specified Point2D object.

double Point2D.distanceSq(Point2D pt)
          Returns the square of the distance from this Point2D to a specified Point2D.

double Point2D.distance(Point2D pt)
          Returns the distance from this Point2D to a specified Point2D.

void RectangularShape.setFrame(Point2D loc, Dimension2D size)
          Sets the location and size of the framing rectangle of this Shape to the specified Point2D and Dimension2D, respectively.

void RectangularShape.setFrameFromDiagonal(Point2D p1, Point2D p2)
          Sets the diagonal of the framing rectangle of this Shape based on two specified Point2D objects.

void RectangularShape.setFrameFromCenter(Point2D center, Point2D corner)
          Sets the framing rectangle of this Shape based on a specified center Point2D and corner Point2D.

boolean RectangularShape.contains(Point2D p)
          Tests if a specified Point2D is inside the boundary of the Shape.

int Rectangle2D.outcode(Point2D p)
          Determines where the specified Point2D lies with respect to this Rectangle2D.

void Rectangle2D.add(Point2D pt)
          Adds the Point2D object pt to this Rectangle2D.

Point2D AffineTransform.transform(Point2D ptSrc, Point2D ptDst)
          Transforms the specified ptSrc and stores the result in ptDst.

void AffineTransform.transform(Point2D[] ptSrc, int srcOff, Point2D[] ptDst, int dstOff, int numPts)
          Transforms an array of point objects by this transform.

Point2D AffineTransform.inverseTransform(Point2D ptSrc, Point2D ptDst)
          Inverse transforms the specified ptSrc and stores the result in ptDst.

Point2D AffineTransform.deltaTransform(Point2D ptSrc, Point2D ptDst)
          Transforms the relative distance vector specified by ptSrc and stores the result in ptDst.

void Line2D.setLine(Point2D p1, Point2D p2)
          Sets the location of the endpoints of this Line2D to the specified Point2D coordinates.

int Line2D.relativeCCW(Point2D p)
          Returns an indicator of where the specified Point2D lies with respect to this line segment.

double Line2D.ptSegDistSq(Point2D pt)
          Returns the square of the distance from a Point2D to this line segment.

double Line2D.ptSegDist(Point2D pt)
          Returns the distance from a Point2D to this line segment.

double Line2D.ptLineDistSq(Point2D pt)
          Returns the square of the distance from a specified Point2D to this line.

double Line2D.ptLineDist(Point2D pt)
          Returns the distance from a Point2D to this line.

boolean Line2D.contains(Point2D p)
          Tests if a given Point2D is inside the boundary of this Line2D.

void CubicCurve2D.setCurve(Point2D p1, Point2D cp1, Point2D cp2, Point2D p2)
          Sets the location of the endpoints and controlpoints of this curve to the specified Point2D coordinates.

void CubicCurve2D.setCurve(Point2D[] pts, int offset)
          Sets the location of the endpoints and controlpoints of this curve to the coordinates of the Point2D objects at the specified offset in the specified array.

boolean CubicCurve2D.contains(Point2D p)
          Tests if a specified Point2D is inside the boundary of the shape.

boolean Area.contains(Point2D p)
          Tests if a specified Point2D lies inside the boundary of the this Area object.

boolean GeneralPath.contains(Point2D p)
          Tests if the specified Point2D is inside the boundary of this Shape.

void Arc2D.setArc(Point2D loc, Dimension2D size, double angSt, double angExt, int closure)
          Sets the location, size, angular extents, and closure type of this arc to the specified values.

void Arc2D.setArcByTangent(Point2D p1, Point2D p2, Point2D p3, double radius)
          Sets the position, bounds, and angular extents of this arc to the specified value.

void Arc2D.setAngleStart(Point2D p)
          Sets the starting angle of this arc to the angle that the specified point defines relative to the center of this arc.

void Arc2D.setAngles(Point2D p1, Point2D p2)
          Sets the starting angle and angular extent of this arc using two points.

void QuadCurve2D.setCurve(Point2D p1, Point2D cp, Point2D p2)
          Sets the location of the endpoints and controlpoint of this QuadCurve2D to the specified Point2D coordinates.

void QuadCurve2D.setCurve(Point2D[] pts, int offset)
          Sets the location of the endpoints and controlpoints of this QuadCurve2D to the coordinates of the Point2D objects at the specified offset in the specified array.

boolean QuadCurve2D.contains(Point2D p)
          Tests if a specified Point2D is inside the boundary of the shape of this QuadCurve2D.

Constructors in java.awt.geom with parameters of type Point2D

Line2D.Float.Line2D.Float(Point2D p1, Point2D p2)
Constructs and initializes a Line2D from the specified Point2D objects.

Line2D.Double.Line2D.Double(Point2D p1, Point2D p2)
Constructs and initializes a Line2D from the specified Point2D objects.

Uses of Point2D in java.awt.image

Methods in java.awt.image that return Point2D

Point2D BufferedImageOp.getPoint2D(Point2D srcPt, Point2D dstPt)
          Returns the location of the destination point given a point in the source image.

Point2D LookupOp.getPoint2D(Point2D srcPt, Point2D dstPt)
          Returns the location of the destination point given a point in the source.

Point2D RasterOp.getPoint2D(Point2D srcPt, Point2D dstPt)
          Returns the location of the destination point given a point in the source Raster.

Point2D RescaleOp.getPoint2D(Point2D srcPt, Point2D dstPt)
          Returns the location of the destination point given a point in the source.

Point2D ColorConvertOp.getPoint2D(Point2D srcPt, Point2D dstPt)
          Returns the location of the destination point given a point in the source.

Point2D BandCombineOp.getPoint2D(Point2D srcPt, Point2D dstPt)
          Returns the location of the corresponding destination point given a point in the source Raster.

Point2D ConvolveOp.getPoint2D(Point2D srcPt, Point2D dstPt)
          Returns the location of the destination point given a point in the source.

Point2D AffineTransformOp.getPoint2D(Point2D srcPt, Point2D dstPt)
          Returns the location of the corresponding destination point given a point in the source.

Methods in java.awt.image with parameters of type Point2D

Point2D BufferedImageOp.getPoint2D(Point2D srcPt, Point2D dstPt)
          Returns the location of the destination point given a point in the source image.

Point2D LookupOp.getPoint2D(Point2D srcPt, Point2D dstPt)
          Returns the location of the destination point given a point in the source.

Point2D RasterOp.getPoint2D(Point2D srcPt, Point2D dstPt)
          Returns the location of the destination point given a point in the source Raster.

Point2D RescaleOp.getPoint2D(Point2D srcPt, Point2D dstPt)
          Returns the location of the destination point given a point in the source.

Point2D ColorConvertOp.getPoint2D(Point2D srcPt, Point2D dstPt)
          Returns the location of the destination point given a point in the source.

Point2D BandCombineOp.getPoint2D(Point2D srcPt, Point2D dstPt)
          Returns the location of the corresponding destination point given a point in the source Raster.

Point2D ConvolveOp.getPoint2D(Point2D srcPt, Point2D dstPt)
          Returns the location of the destination point given a point in the source.

Point2D AffineTransformOp.getPoint2D(Point2D srcPt, Point2D dstPt)
          Returns the location of the corresponding destination point given a point in the source.