com.ijchart.xychart.shape
Class RectangleTextChartShape

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.RectangleTextChartShape
All Implemented Interfaces:
IChartShapeChangeListener, IChartShape, java.io.Serializable, java.lang.Cloneable, java.util.EventListener
Direct Known Subclasses:
GranttChartShape

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

Title: IJChart

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

在一个矩形内部或外部显示文字.

Copyright: Copyright (c) 2013

Company:

Version:
1.0
Author:
zhang feng min,shanghai china. Contract me by email.
See Also:
Serialized Form

Field Summary
 
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
RectangleTextChartShape(java.awt.geom.Rectangle2D drawArea, java.lang.String text)
          在区域drawArea中显示文字text.
RectangleTextChartShape(java.awt.geom.Rectangle2D drawArea, java.lang.String text, java.awt.Font font)
          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 drawBorder(java.awt.Graphics2D g2, java.awt.Shape drawArea)
          绘制外边框(覆盖父类的方法).
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.
protected  java.awt.Shape getHotspotShape()
          返回热点图形.
 Rectangle getMinimumBound(java.awt.Graphics2D g2)
          根据字体,计算绘制字符串所需要的最小区域,宽度不超过drawArea.getWidth().
 ShapeType getShapeType()
          描述本图形的类型.
 int hashCode()
          计算对象的hashcode值.
 boolean isBorderVisible(RectangleEdge edge)
          返回某个边界是否可见.
 void setBorderVisible(RectangleEdge edge, boolean visible)
          设置某个边框是否可见,并通知监听器发生变化.
 java.lang.String toString()
          覆盖toString方法.

Parameters:
drawArea - Rectangle2D 绘制区域 (不可为null).
text - String 要显示的文字 (可为null).

RectangleTextChartShape

public RectangleTextChartShape(java.awt.geom.Rectangle2D drawArea,
                               java.lang.String text,
                               java.awt.Font font)
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).
font - 绘制字体 (可为null),如果font为null, 字体设置为IChartShape.DEFAULT_TEXT_FONT.
Method Detail

getMinimumBound

public Rectangle getMinimumBound(java.awt.Graphics2D g2)
根据字体,计算绘制字符串所需要的最小区域,宽度不超过drawArea.getWidth().

Parameters:
g2 - Graphics2D 绘制环境 (不可为null).
Returns:
Rectangle

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)

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).

setBorderVisible

public void setBorderVisible(RectangleEdge edge,
                             boolean visible)
设置某个边框是否可见,并通知监听器发生变化.

Parameters:
edge - RectangleEdge 边界 (不可为null).
visible - boolean 布尔值,true可见,false不可见.

isBorderVisible

public boolean isBorderVisible(RectangleEdge edge)
返回某个边界是否可见.

Parameters:
edge - RectangleEdge 边界 (不可为null).
Returns:
boolean 可见返回true,否则返回false.

drawBorder

protected void drawBorder(java.awt.Graphics2D g2,
                          java.awt.Shape drawArea)
绘制外边框(覆盖父类的方法).

Overrides:
drawBorder in class AbstractChartShape
Parameters:
g2 - Graphics2D 图形环境.
drawArea - Shape 绘制范围.

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.