com.ijchart.xychart.shape
Class RingChartShape

java.lang.Object
  com.ijchart.xychart.shape.AbstractChartShape
      com.ijchart.xychart.shape.AbstractTextChartShape
          com.ijchart.xychart.shape.AbstractRectangleTextChartShape
              com.ijchart.xychart.shape.SectorChartShape
                  com.ijchart.xychart.shape.RingChartShape

All Implemented Interfaces:

IChartShapeChangeListener, IChartShape, java.io.Serializable, java.lang.Cloneable, java.util.EventListener

public class RingChartShape
extends SectorChartShape
implements java.lang.Cloneable, java.io.Serializable

Title: IJChart

Description: a chart library for the Java(tm) platform.

绘制扇形图.

Copyright: Copyright (c) 2013

Company:

Version:

1.0

Author:

zhang feng min,shanghai china. Contract me by email.

See Also:

Serialized Form

Field Summary

static double

DEFAULT_LENGTH_FACTOR 缺省的环的长度与扇区半径的占比.

Fields inherited from class com.ijchart.xychart.shape.SectorChartShape

DEFAULT_ARC_BORDER_PAINT, DEFAULT_DEPTH_3D, DEFAULT_DRAW_RADIUS, DEFAULT_LABEL_BACKGROUND_PAINT, DEFAULT_LABEL_OUTLINE_PAINT, DEFAULT_LABEL_OUTLINE_STROKE, DEFAULT_LABEL_PADDING, DEFAULT_LABEL_SHADOW_PAINT, DEFAULT_LABEL_SHADOW_X_OFFSET, DEFAULT_LABEL_SHADOW_Y_OFFSET, DEFAULT_SECTOR_IS_3D, DEFAULT_SECTOR_SHADOW_PAINT, DEFAULT_SECTOR_SHADOW_X_OFFSET, DEFAULT_SECTOR_SHADOW_Y_OFFSET

Fields inherited from class com.ijchart.xychart.shape.AbstractRectangleTextChartShape

DEFAULT_DRAW_AUTO_WRAP, DEFAULT_FORCE_INSIDE_TEXT_NO_WRAP, DEFAULT_FORCE_SHOW_ALL, DEFAULT_TEXT_MAX_SHOW_LINE

Fields inherited from class com.ijchart.xychart.shape.AbstractTextChartShape

DEFAULT_TEXT_DIRECTION, DEFAULT_TEXT_HORIZONTAL_ALIGNMENT, DEFAULT_TEXT_POSITION, DEFAULT_TEXT_VERTICAL_ALIGNMENT

Fields inherited from class com.ijchart.xychart.shape.AbstractChartShape

DEFAULT_DRAW_TYPE, DEFAULT_SHAPE_ID, DEFAULT_VISIBLE, transformedShape

Fields inherited from interface com.ijchart.xychart.shape.IChartShape

DEFAULT_BORDER_PAINT, DEFAULT_BORDER_STROKE, DEFAULT_CONTENT_PAINT, DEFAULT_DRAW_BORDER, DEFAULT_FILL_ALPHA, DEFAULT_FILL_PAINT, DEFAULT_FILL_SHAPE, DEFAULT_GRADIENT_PAINT_TRANSFORM_TYPE, DEFAULT_MARGIN, DEFAULT_SELECT_FILL_PAINT, DEFAULT_SELECT_RECT_ALPHA, DEFAULT_SELECT_RECT_WIDTH, DEFAULT_SELECTED, DEFAULT_TEXT_FONT, DEFAULT_TOOLTIP_SHAPE_WIDTH, HOTSPOT_TYPE_CIRCLE, HOTSPOT_TYPE_POLYGON, HOTSPOT_TYPE_RECTANGLE

Constructor Summary

RingChartShape(java.awt.geom.Arc2D arc, java.awt.geom.Rectangle2D drawArea, java.lang.String text)
构造器.

Method Summary

protected void	calculateTransformedShape() 计算变换后的图形.
java.lang.Object	clone() 返回克隆的对象.
void	draw(java.awt.Graphics2D g2) 在图形设备(如屏幕或打印机)上绘制此图形.绘制时不考虑shape的位置坐标.
protected java.awt.Shape	getHotspotShape() 返回热点图形.
double	getLengthFactor() 返回环的长度与扇区半径的占比.
java.awt.geom.Point2D	getLockPoint() 返回鼠标点击时锁定图形的点.
ShapeType	getShapeType() 描述本图形的类型.
int	hashCode() 计算对象的hashcode值.
void	setLengthFactor(double factor) 设置环的长度与扇区半径的占比,并向所有监听器发送 ChartShapeChangeEvent事件.

Methods inherited from class com.ijchart.xychart.shape.SectorChartShape

drawSelect, getArc, getDepth3D, getLabelBackgroundPaint, getLabelOutlinePaint, getLabelOutlineStroke, getLabelPadding, getLabelShadowPaint, getLabelShadowXOffset, getLabelShadowYOffset, getPointsOfArc, getSectorShadowPaint, getSectorShadowXOffset, getSectorShadowYOffset, getTopLeftPoint, isDrawRadius, isSector3D, setArc, setDepth3D, setDrawRadius, setLabelBackgroundPaint, setLabelOutlinePaint, setLabelOutlineStroke, setLabelPadding, setLabelShadowPaint, setLabelShadowXOffset, setLabelShadowYOffset, setSector3D, setSectorShadowPaint, setSectorShadowXOffset, setSectorShadowYOffset, translate

Methods inherited from class com.ijchart.xychart.shape.AbstractRectangleTextChartShape

drawText, drawTextWithTrimMarginRect, getDrawArea, getTextMaxShowLine, getTooltipShapeTranslatePoint, isAutoWrap, isForceInsideTextNoWrap, isForceShowAll, setAutoWrap, setDrawArea, setForceInsideTextNoWrap, setForceShowAllText, setTextMaxShowLine, splitString, toString

Methods inherited from class com.ijchart.xychart.shape.AbstractTextChartShape

getText, getTextDirection, getTextFont, getTextHorizontalAlign, getTextPaint, getTextPosition, getTextVerticalAlign, isDrawText, setDrawText, setText, setTextDirection, setTextFont, setTextHorizontalAlign, setTextPaint, setTextPosition, setTextVerticalAlign

Methods inherited from class com.ijchart.xychart.shape.AbstractChartShape

addChangeListener, afterDraw, beforeDraw, chartShapeChanged, contains, contains, drawAnchorByPoints, drawBackground, drawBorder, drawShapeBorder, fillShape, fireChartShapeChanged, forceChartShapeChanged, getBorderPaint, getBorderStroke, getBound, getData, getFillAlpha, getFillPaint, getGradientPaintTransformType, getHotspotPolyCoords, getHotspotType, getHotspotType, getId, getMargin, getOriginTooltipShape, getRotate, getSelectAnchorPaint, getSelectRectAlpha, getSelectRectWidth, getShapeChange, getShapeDrawType, getTooltipShape, getTooltipShapeRotate, getTooltipText, getURL, hasListener, isDrawBorder, isFillShape, isSelected, isVisible, notifyListeners, removeAllChangeListener, removeChangeListener, setBorderPaint, setBorderStroke, setData, setDrawBorder, setFillAlpha, setFillPaint, setFillShape, setGradientPaintTransformType, setId, setMargin, setOriginTooltipShape, setRotate, setSelectAnchorPaint, setSelected, setSelectRectAlpha, setSelectRectWidth, setShapeChange, setShapeDrawType, setTooltipText, setURL, setVisible

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_LENGTH_FACTOR

public static final double DEFAULT_LENGTH_FACTOR

缺省的环的长度与扇区半径的占比.

See Also:

Constant Field Values

Constructor Detail

RingChartShape

public RingChartShape(java.awt.geom.Arc2D arc,
                      java.awt.geom.Rectangle2D drawArea,
                      java.lang.String text)

构造器.

Parameters:

arc - Arc2D 扇形图形 (不可为null).

drawArea - Rectangle2D 绘制区域 (不可为null).

text - String 要显示的文字 (可为null).

Method Detail

getLengthFactor

public double getLengthFactor()

返回环的长度与扇区半径的占比.

Returns:

double 长度因子.

setLengthFactor

public void setLengthFactor(double factor)

设置环的长度与扇区半径的占比,并向所有监听器发送 ChartShapeChangeEvent事件.

Parameters:

factor - double 长度因子,属于区间(0,1].

draw

public void draw(java.awt.Graphics2D g2)

在图形设备(如屏幕或打印机)上绘制此图形.绘制时不考虑shape的位置坐标.

Specified by:

draw in interface IChartShape

Overrides:

draw in class SectorChartShape

Parameters:

g2 - Graphics2D 图形设备(如屏幕或打印机) (不可为null)

getLockPoint

public java.awt.geom.Point2D getLockPoint()

返回鼠标点击时锁定图形的点.

Specified by:

getLockPoint in interface IChartShape

Overrides:

getLockPoint in class SectorChartShape

Returns:

Point2D 坐标值.

calculateTransformedShape

protected void calculateTransformedShape()

计算变换后的图形.

Overrides:

calculateTransformedShape in class SectorChartShape

getHotspotShape

protected java.awt.Shape getHotspotShape()

返回热点图形.

Overrides:

getHotspotShape in class SectorChartShape

Returns:

Shape 热点图形 (可为null).

getShapeType

public ShapeType getShapeType()

描述本图形的类型.

Specified by:

getShapeType in interface IChartShape

Overrides:

getShapeType in class SectorChartShape

Returns:

ShapeType ShapeType类定义的常量 (不可为null).

hashCode

public int hashCode()

计算对象的hashcode值.

Overrides:

hashCode in class SectorChartShape

Returns:

int 对象的hashcode值.

equals

public boolean equals(java.lang.Object obj)

测试两个对象是否相等.

Overrides:

equals in class SectorChartShape

Parameters:

obj - 要比较的对象

Returns:

相等返回true,否则返回false.

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException

返回克隆的对象.

Overrides:

clone in class SectorChartShape

Returns:

object a clone of this instance.

Throws:

java.lang.CloneNotSupportedException - if the object's class does not support the Cloneable interface. Subclasses that override the clone method can also throw this exception to indicate that an instance cannot be cloned.