Class Gradient

java.lang.Object

java.awt.geom.RectangularShape

java.awt.geom.Rectangle2D

java.awt.Rectangle

cnuphys.splot.plot.DraggableRectangle

cnuphys.splot.plot.Gradient

All Implemented Interfaces:

Draggable, Shape, Serializable, Cloneable

public class Gradient
extends DraggableRectangle

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class Rectangle2D

Rectangle2D.Double, Rectangle2D.Float

Field Summary

Fields inherited from class DraggableRectangle

_beenMoved, _currentPoint, _dragging, _draggingPrimed

Fields inherited from class Rectangle

height, width, x, y

Fields inherited from class Rectangle2D

OUT_BOTTOM, OUT_LEFT, OUT_RIGHT, OUT_TOP

Constructor Summary

Constructors

Constructor	Description
Gradient(PlotCanvas canvas)	Create a gradient rectangle rectangle using the standard blue to red gradient with 0 to 1 value range relative range

Method Summary

Modifier and Type	Method	Description
void	draw(Graphics g)	Draw the gradient
Color	getColor(double value)	Get the color for the give value.
protected int	getGradientHeight()	Get the height of the gradient
protected int	getGradientWidth()

Methods inherited from class DraggableRectangle

getCurrentPoint, isDragging, isDraggingPrimed, setCurrentPoint, setDragging, setDraggingPrimed

Methods inherited from class Rectangle

add, add, add, contains, contains, contains, contains, createIntersection, createUnion, equals, getBounds, getBounds2D, getHeight, getLocation, getSize, getWidth, getX, getY, grow, inside, intersection, intersects, isEmpty, move, outcode, reshape, resize, setBounds, setBounds, setLocation, setLocation, setRect, setSize, setSize, toString, translate, union

Methods inherited from class Rectangle2D

add, add, add, contains, contains, getPathIterator, getPathIterator, hashCode, intersect, intersects, intersectsLine, intersectsLine, outcode, setFrame, setRect, union

Methods inherited from class RectangularShape

clone, contains, contains, getCenterX, getCenterY, getFrame, getMaxX, getMaxY, getMinX, getMinY, intersects, setFrame, setFrame, setFrameFromCenter, setFrameFromCenter, setFrameFromDiagonal, setFrameFromDiagonal

Methods inherited from class Object

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

Methods inherited from interface Draggable

contains

Methods inherited from interface Shape

contains, contains, contains, contains, getPathIterator, getPathIterator, intersects, intersects

Constructor Details

Gradient

public Gradient(PlotCanvas canvas)

Create a gradient rectangle rectangle using the standard blue to red gradient with 0 to 1 value range relative range

Parameters:

canvas - the parent plot canvas

Method Details

draw

public void draw(Graphics g)

Draw the gradient

Parameters:

g - the Graphics context

getGradientHeight

protected int getGradientHeight()

Get the height of the gradient

Returns:

the height of the gradient

getGradientWidth

protected int getGradientWidth()

getColor

public Color getColor(double value)

Get the color for the give value. Interpolation is used.

Parameters:

value - the vale

Returns:

the color