ij.gui
Class PointRoi

java.lang.Object
  ij.gui.Roi
      ij.gui.PolygonRoi
          ij.gui.PointRoi

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class PointRoi
extends PolygonRoi

This class represents a collection of points.

See Also:

Serialized Form

Field Summary

Fields inherited from class ij.gui.PolygonRoi

maxPoints, nPoints, splinePoints, xp, xp2, xSpline, yp, yp2, ySpline

Fields inherited from class ij.gui.Roi

ANGLE, asp_bk, aspect, cachedMask, center, clipboard, clipHeight, clipWidth, clipX, clipY, COMPOSITE, constrain, CONSTRUCTING, defaultFillColor, fillColor, FREELINE, FREEROI, HANDLE_SIZE, handleColor, ic, imp, instanceColor, LINE, lineWidth, mag, MOVING, MOVING_HANDLE, name, nonScalable, NORMAL, NOT_PASTING, oldHeight, oldWidth, oldX, oldY, onePixelWide, OVAL, overlay, pasteMode, POINT, POLYGON, POLYLINE, previousRoi, RECTANGLE, RESIZING, ROIColor, stroke, strokeColor, TRACED_ROI, type, updateFullWindow, wideLine, xMax, yMax

Constructor Summary

PointRoi(int[] ox, int[] oy, int points)
Creates a new PointRoi using the specified arrays of offscreen coordinates.

PointRoi(int ox, int oy)
Creates a new PointRoi using the specified offscreen coordinates.

PointRoi(int sx, int sy, ImagePlus imp)
Creates a new PointRoi using the specified screen coordinates.

PointRoi(java.awt.Polygon poly)
Creates a new PointRoi from a Polygon.

Method Summary

PointRoi	addPoint(int x, int y) Returns a copy of this PointRoi with a point at (x,y) added.
boolean	contains(int x, int y) Returns true if (x,y) is one of the points in this collection.
void	draw(java.awt.Graphics g) Draws the points on the image.
void	drawPixels(ImageProcessor ip) Draws the selection outline on the specified ImageProcessor.
ImageProcessor	getMask() Override Roi.nudge() to support splines.
protected void	handleMouseUp(int sx, int sy)
PointRoi	subtractPoints(Roi roi) Subtract the points that intersect the specified ROI and return the result.

Methods inherited from class ij.gui.PolygonRoi

addOffset, clipRectMargin, clone, exitConstructingMode, fitSpline, fitSpline, fitSplineForStraightening, getAngle, getConvexHull, getFloatPolygon, getLength, getNCoordinates, getNonSplineCoordinates, getPolygon, getUncalibratedLength, getXCoordinates, getYCoordinates, grow, isHandle, isSplineFit, mouseDownInHandle, moveHandle, removeSplineFit, updatePolygon

Methods inherited from class ij.gui.Roi

abortPaste, copyAttributes, drawOverlay, drawPixels, endPaste, equals, getAngle, getBoundingRect, getBounds, getColor, getCurrentPasteMode, getDefaultFillColor, getFeretsDiameter, getFeretValues, getFillColor, getImageID, getName, getPasteMode, getRoundRectArcSize, getScaledStroke, getState, getStroke, getStrokeColor, getStrokeWidth, getType, getTypeAsString, handleMouseDown, handleMouseDrag, isArea, isDrawingTool, isLine, isVisible, nudge, nudgeCorner, setColor, setDefaultFillColor, setFillColor, setImage, setInstanceColor, setLineWidth, setLocation, setName, setNonScalable, setPasteMode, setRoundRectArcSize, setStroke, setStrokeColor, setStrokeWidth, showStatus, startPaste, toString, update, updateClipRect, updateWideLine

Methods inherited from class java.lang.Object

finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

PointRoi

public PointRoi(int[] ox,
                int[] oy,
                int points)

Creates a new PointRoi using the specified arrays of offscreen coordinates.

PointRoi

public PointRoi(java.awt.Polygon poly)

Creates a new PointRoi from a Polygon.

PointRoi

public PointRoi(int ox,
                int oy)

Creates a new PointRoi using the specified offscreen coordinates.

PointRoi

public PointRoi(int sx,
                int sy,
                ImagePlus imp)

Creates a new PointRoi using the specified screen coordinates.

Method Detail

handleMouseUp

protected void handleMouseUp(int sx,
                             int sy)

Overrides:

handleMouseUp in class PolygonRoi

draw

public void draw(java.awt.Graphics g)

Draws the points on the image.

Overrides:

draw in class PolygonRoi

drawPixels

public void drawPixels(ImageProcessor ip)

Description copied from class: Roi

Draws the selection outline on the specified ImageProcessor.

Overrides:

drawPixels in class PolygonRoi

See Also:

ImageProcessor.setColor(java.awt.Color), ImageProcessor.setLineWidth(int)

addPoint

public PointRoi addPoint(int x,
                         int y)

Returns a copy of this PointRoi with a point at (x,y) added.

subtractPoints

public PointRoi subtractPoints(Roi roi)

Subtract the points that intersect the specified ROI and return the result. Returns null if there are no resulting points.

getMask

public ImageProcessor getMask()

Description copied from class: PolygonRoi

Override Roi.nudge() to support splines.

Overrides:

getMask in class PolygonRoi

contains

public boolean contains(int x,
                        int y)

Returns true if (x,y) is one of the points in this collection.

Overrides:

contains in class PolygonRoi