com.ijchart.xychart.shape
Class TextAndPointerChartShape

java.lang.Object
  extended by com.ijchart.xychart.shape.AbstractChartShape
      extended by com.ijchart.xychart.shape.AbstractTextChartShape
          extended by com.ijchart.xychart.shape.AbstractRectangleTextChartShape
              extended by com.ijchart.xychart.shape.TextAndPointerChartShape
All Implemented Interfaces:
IChartShapeChangeListener, IChartShape, java.io.Serializable, java.lang.Cloneable, java.util.EventListener

public class TextAndPointerChartShape
extends AbstractRectangleTextChartShape
implements java.lang.Cloneable, java.io.Serializable

Title: IJChart

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

在一个矩形内部显示文字,并且绘制一个箭头.

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 java.awt.Paint DEFAULT_ARROW_PAINT
          缺省的绘制箭头的paint对象.
static java.awt.Stroke DEFAULT_ARROW_STROKE
          缺省的绘制箭头的stroke对象.
 
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
TextAndPointerChartShape(java.awt.geom.Rectangle2D drawArea, java.lang.String text, java.awt.Shape arrowShape)
          在区域drawArea中显示文字text.
TextAndPointerChartShape(java.awt.geom.Rectangle2D drawArea, java.lang.String text, java.awt.Shape arrowShape, java.awt.Paint arrowPaint, java.awt.Stroke arrowStroke)
          在区域drawArea中显示文字text.
 
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
protected  void drawSelect(java.awt.Graphics2D g2)
          在图形设备(如屏幕或打印机)上绘制图形的选中部分,因为图形可能会有重叠,所以绘制图形时要先绘制完所有的图形后, 再调用此方法绘制选中部分.
 boolean equals(java.lang.Object obj)
          测试两个对象是否相等.
 java.awt.Paint getArrowPaint()
          返回绘制箭头的paint对象.
 java.awt.Shape getArrowShape()
          返回箭头的图形.
 java.awt.Stroke getArrowStroke()
          返回绘制箭头的stroke对象.
protected  java.awt.Shape getHotspotShape()
          返回热点图形.
 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 setArrowPaint(java.awt.Paint paint)
          设置绘制箭头的paint对象,并向所有监听器发送 ChartShapeChangeEvent事件.
 void setArrowShape(java.awt.Shape shape)
          设置箭头的图形,并向所有监听器发送 ChartShapeChangeEvent事件.
 void setArrowStroke(java.awt.Stroke stroke)
          设置绘制箭头的stroke对象,并向所有监听器发送 ChartShapeChangeEvent事件.
 java.lang.String toString()
          覆盖toString方法.


DEFAULT_ARROW_STROKE

public static final java.awt.Stroke DEFAULT_ARROW_STROKE
缺省的绘制箭头的stroke对象.

Constructor Detail

TextAndPointerChartShape

public TextAndPointerChartShape(java.awt.geom.Rectangle2D drawArea,
                                java.lang.String text,
                                java.awt.Shape arrowShape)
在区域drawArea中显示文字text.

Parameters:
drawArea - Rectangle2D 绘制区域 (不可为null).
text - String 要显示的文字 (可为null).
arrowShape - Shape 箭头的图形 (不可为null).

TextAndPointerChartShape

public TextAndPointerChartShape(java.awt.geom.Rectangle2D drawArea,
                                java.lang.String text,
                                java.awt.Shape arrowShape,
                                java.awt.Paint arrowPaint,
                                java.awt.Stroke arrowStroke)
在区域drawArea中显示文字text.

Parameters:
drawArea - Rectangle2D 绘制区域 (不可为null).
text - String 要显示的文字 (可为null).
arrowShape - Shape 箭头的图形 (不可为null).
arrowPaint - Paint 绘制箭头的paint对象 (不可为null).
arrowStroke - Stroke 绘制箭头的stroke对象 (不可为null).
Method Detail

getArrowShape

public java.awt.Shape getArrowShape()
返回箭头的图形.

Returns:
Shape 图形 (不为null).

setArrowShape

public void setArrowShape(java.awt.Shape shape)
设置箭头的图形,并向所有监听器发送 ChartShapeChangeEvent事件.

Parameters:
shape - Shape 箭头的图形 (不可为null).

getArrowPaint

public java.awt.Paint getArrowPaint()
返回绘制箭头的paint对象.

Returns:
Paint paint对象 (不为null).

setArrowPaint

public void setArrowPaint(java.awt.Paint paint)
设置绘制箭头的paint对象,并向所有监听器发送 ChartShapeChangeEvent事件.

Parameters:
paint - Paint paint对象 (不可为null).

getArrowStroke

public java.awt.Stroke getArrowStroke()
返回绘制箭头的stroke对象.

Returns:
Stroke stroke对象 (不为null).

setArrowStroke

public void setArrowStroke(java.awt.Stroke stroke)
设置绘制箭头的stroke对象,并向所有监听器发送 ChartShapeChangeEvent事件.

Parameters:
stroke - Stroke stroke对象 (不可为null).

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

Specified by:
draw in interface IChartShape
Parameters:
g2 - Graphics2D 图形设备(如屏幕或打印机) (不可为null)

drawSelect

protected void drawSelect(java.awt.Graphics2D g2)
在图形设备(如屏幕或打印机)上绘制图形的选中部分,因为图形可能会有重叠,所以绘制图形时要先绘制完所有的图形后, 再调用此方法绘制选中部分.

Specified by:
drawSelect in class AbstractChartShape
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 AbstractRectangleTextChartShape
Returns:
Point2D 坐标值.

calculateTransformedShape

protected void calculateTransformedShape()
计算变换后的图形.

Specified by:
calculateTransformedShape in class AbstractChartShape

getHotspotShape

protected java.awt.Shape getHotspotShape()
返回热点图形.

Specified by:
getHotspotShape in class AbstractChartShape
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
Returns:
ShapeType ShapeType类定义的常量 (不可为null).

equals

public boolean equals(java.lang.Object obj)
测试两个对象是否相等.

Overrides:
equals in class AbstractRectangleTextChartShape
Parameters:
obj - 要比较的对象
Returns:
相等返回true,否则返回false.

hashCode

public int hashCode()
计算对象的hashcode值.

Overrides:
hashCode in class AbstractRectangleTextChartShape
Returns:
int 对象的hashcode值.

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException
返回克隆的对象.

Overrides:
clone in class AbstractRectangleTextChartShape
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.

toString

public java.lang.String toString()
覆盖toString方法.

Overrides:
toString in class AbstractRectangleTextChartShape
Returns:
a string representation of the object.