用下列代码替换 PDAChartControlControl.cs 中的代码：
//*****************************************************************************
//
PDAChartControlControl
using System;
using
System.Collections;
using System.ComponentModel;
using
System.Drawing;
using System.Data;
using
System.Windows.Forms;
using System.Drawing.Drawing2D;
#if
NETCFDESIGNTIME
[assembly:
System.CF.Design.RuntimeAssemblyAttribute("_
PDAChartControl,
Version=1.10.0.0, Culture=neutral, PublicKeyToken=null")]
namespace
PDAChartControl
{
/// <summary>
/// Summary description for
UserControl1.
/// </summary>
public class PDAChart :
System.Windows.Forms.Control
{
public
System.Windows.Forms.HScrollBar hScrollBar1;
private
PDAChartControl.MyGraph objGraph=new MyGraph();
private Point
mBeginPoint=new Point(0,0) ;
private
System.ComponentModel.Container components = null;
public
PDAChart()
{
InitializeComponent();
}
#region Windows
属性定义
private Font mTitleFont =new Font("Arial", 9,
FontStyle.Regular);
private Font mTextFont =new Font("Arial",
8, FontStyle.Regular);
#if
NETCFDESIGNTIME
[System.ComponentModel.Category("PDAChart")]
[System.ComponentModel.Description("设置/读取文本字体")]
#endif
public Font TextFont
{
get
{
return
mTextFont;
}
set
{
mTextFont=value;
this.Invalidate();
}
}
private
static DataTable mDataTable=new DataTable() ;
#if
NETCFDESIGNTIME
[System.ComponentModel.Category("PDAChart")]
[System.ComponentModel.Description("设置/读取数据表")]
#endif
public DataTable dataTable
{
get
{
return
mDataTable;
}
set
{
mDataTable=(DataTable)value;
this.Invalidate();
}
}
private
string mShowColumnName;
#if
NETCFDESIGNTIME
[System.ComponentModel.Category("PDAChart")]
[System.ComponentModel.Description("设置/读取显示列")]
#endif
public string ShowColumnName
{
get
{
return
mShowColumnName;
}
set
{
mShowColumnName=value;
this.Invalidate();
}
}
private
string mDataColumnName;
#if
NETCFDESIGNTIME
[System.ComponentModel.Category("PDAChart")]
[System.ComponentModel.Description("设置/读取数据列")]
#endif
public string DataColumnName
{
get
{
return
mDataColumnName;
}
set
{
mDataColumnName=value;
this.Invalidate();
}
}
private
string mTitle="统计图";
#if
NETCFDESIGNTIME
[System.ComponentModel.Category("PDAChart")]
[System.ComponentModel.DefaultValueAttribute("图表")]
[System.ComponentModel.Description("设置/读取标题")]
#endif
public string Title
{
get
{
return
mTitle;
}
set
{
mTitle=value;
this.Invalidate();
}
}
private
Color mBackColor=System.Drawing.SystemColors.ControlLight;
#if
NETCFDESIGNTIME
[System.ComponentModel.Category("PDAChart")]
[System.ComponentModel.DefaultValueAttribute(0)]
[System.ComponentModel.Description("设置/读取背景颜色")]
#endif
public
override Color BackColor
{
get
{
return
mBackColor;
}
set
{
mBackColor
=value;
this.Invalidate();
}
}
/// <summary>
///
Clean up any resources being used.
/// </summary>
protected
override void Dispose( bool disposing )
{
if( disposing
)
{
if( components != null
)
components.Dispose();
}
base.Dispose( disposing
);
}
#region Component Designer generated code
///
<summary>
/// Required method for Designer support - do not
modify
/// the contents of this method with the Code Editor.
///
</summary>
private void InitializeComponent()
{
this.Paint
+= new
System.Windows.Forms.PaintEventHandler(this.OnPaint);
}
#endregion
//
//
private ArrayList mCudeData;
protected override void
OnResize(EventArgs e)
{
//this.Refresh();
}
Graphics
mGraphics;
Pen mBlackPen=new Pen(Color.Black);
//偏差
int
TopHeightWarp=16; //顶偏差(文本高)
int LeftWidthWarp=0;
//左偏差(最大数据文本宽)
int UnderHeightWarp=10; //底偏差(底文本高)
int
BetweenLineHeight=10;//水平线的高
int LineCount=10;//水平线数
// //This
Paint function uses routines common to both platforms.
int
ClientHeight;
int mWidth;
int YHeight;
Rectangle
rcClient;
System.Drawing.Region Region1;
public void OnPaint(object
sender, System.Windows.Forms.PaintEventArgs e)
{//base.Paint(null,e);
mGraphics=e.Graphics;
//读取数据
this.rcClient =
this.ClientRectangle;
Region1=new Region (
this.rcClient);
Region1=Region1.Clone();
ClientHeight=rcClient.Height;
objGraph.mGraphics=e.Graphics;
//mGraphics.MeasureString//
//计算最大的x轴、y轴坐标
//写标题
DrawTitle(rcClient);
int
Width=rcClient.Width-this.mLenght-LeftWidthWarp;
mWidth=Width;
int
Height=rcClient.Height-this.mLenght-TopHeightWarp-UnderHeightWarp;
this.YHeight= Height;
int Lenght=this.mLenght;
//开始点
int
b=Height/2;
Point LeftTopPoint=new
Point(rcClient.X+10,rcClient.Y+TopHeightWarp+20
);
//mPicHeight=25;
objGraph.DrawCake(this.mBackColor,
LeftTopPoint,Width,b,this.mPicHeight);
//中心点
Point oPoint=new Point
();
oPoint.X=LeftTopPoint.X
+Width/2;
oPoint.Y=LeftTopPoint.Y+b/2;
CreatePic(oPoint,Width/2,b/2);
}
//在顶部中心位置写标题
private
void DrawTitle(Rectangle rcClient)
{
int
Width=(int)objGraph.mGraphics.MeasureString(this.mTitle,mTitleFont).Width;
int
Height=(int)objGraph.mGraphics.MeasureString(this.mTitle,mTitleFont).Height;
this.TopHeightWarp=Height;
int
x=rcClient.Width/2- Width/2;
int y=rcClient.Y+Height/2-5;
this.objGraph.DrawText(this.mTitle,Color.Blue,mTitleFont,x,y);
}
//求数据列的和
private double SumColumn(DataTable dt,string
ColumnName)
{
double Sum=0.0;
foreach(DataRow dr in dt.Rows)
{
Sum+=System.Convert.ToDouble(dr[ColumnName]);
}
return
Sum;
}
//以中心点，长轴Width，短轴高Height建立饼图
private void
CreatePic(Point CenterP ,int Width,int
Height)
{
if(mDataTable.Rows.Count==0)
return;
//角度相对值
double
Sum=SumColumn(mDataTable,this.mDataColumnName);
double
angle=360/Sum;
double FinishAngle=0.0;
int
RowIndex=0;
Color[]
color={Color.Red,Color.Blue,Color.Green,Color.Yellow,Color.YellowGreen,_
Color.Magenta,Color.Cyan,Color.Coral,Color.SlateGray,Color.Pink,Color.Crimson,_
Color.DodgerBlue,Color.Chartreuse,Color.Orange,Color.Aqua,Color.CadetBlue
};
foreach(DataRow dr in mDataTable.Rows)
{
RowIndex++;
double Data=System.Convert.ToDouble(dr[this.mDataColumnName])
;
//显示列数据+"-"+数据列百分比
string
text=dr[this.mShowColumnName].ToString()+"-"+(100*System.Math.Round(Data/Sum,2)).ToString()+"%"
;
int ColorIndex=RowIndex;
if
(ColorIndex>=color.Length)
ColorIndex=color.Length-1;
if
(this.mShowXText==false) text=" ";
AddOnePDAPic(color[ColorIndex-1],text,angle*Data,FinishAngle,CenterP,Width,Height);
FinishAngle+=angle*Data;
}
}
//画扇形（逆时针）
//角度angle，已经画过的角FinishAngle,中心点oPoint，长半轴a，短半轴b
public
void AddOnePDAPic(Color color, string Text,double angle,double
FinishAngle,Point oPoint,int a,int b)
{
// Create solid
brush.
SolidBrush Brush = new SolidBrush(color);
ArrayList
pList=objGraph.GetPicPoints(angle,FinishAngle,oPoint,a,b);
Point[]
curvePoints=new Point[pList.Count] ;
for(int
i=0;i<pList.Count;i++)
curvePoints[i]=(Point)pList[i];
mGraphics.FillPolygon(Brush,
curvePoints);
//画边框
Point centerP;
//求中心角的点位置
if
(pList.Count>1)
{
mGraphics.DrawPolygon(this.mBlackPen,
curvePoints);
centerP=curvePoints[pList.Count/2];
}
else
centerP=curvePoints[0];
centerP.X=(centerP.X+oPoint.X)/2;
if
(centerP.Y>oPoint.Y)
centerP.Y=(centerP.Y+oPoint.Y)/2;
else
centerP.Y=(centerP.Y+oPoint.Y)/3;
//确定文本位置
int
txtWidth=(int)objGraph.mGraphics.MeasureString(Text,this.mTextFont).Width;
//int
txtHeight=(int)objGraph.mGraphics.MeasureString(Text,this.mTextFont).Height;
centerP.X=centerP.X-txtWidth/2;
//centerP.Y+=txtHeight/2;
if
(FinishAngle==0)
{
centerP.Y-=5;
centerP.X+=10;
}
if
(FinishAngle>=120)
{
centerP.Y-=5;
centerP.X-=10;
}
if
(FinishAngle>=180)
{
centerP.Y+=15;
centerP.X-=10;
}
if
(FinishAngle>=200)
{
//centerP.Y+=15;
centerP.X+=20;
}
if
(FinishAngle>=270)
{
//centerP.Y+=5;
centerP.X+=5;
}
if
(FinishAngle>=300)
{
centerP.Y+=5;
centerP.X+=15;
}
objGraph.DrawText(Text,Color.Black,this.mTextFont,centerP.X,centerP.Y);
}
}
#region
public class MyGraph
{
//网络水平线中二线之间的高
//int
BetweenLineHeight=20;
//最大MaxYCount:线数
// int MaximumY=10;
// int
Lenght=5;
// int Width=200;
// int Height=300;
// bool
IsShowGrid=true;
public Graphics mGraphics;
//背景色
//
public Color BackColor= System.Drawing.SystemColors.Control;
//
//X轴颜色
// public Color
AxesXColor=System.Drawing.SystemColors.HighlightText;
// //Y轴颜色
//
public Color
AxesYColor=System.Drawing.SystemColors.Info;
//黑色笔
private Pen
mBlackPen = new
System.Drawing.Pen(Color.FromArgb(0,0,0));
//网格线笔
private Pen
mGridPen= new System.Drawing.Pen(Color.FromArgb(127, 127,
127));
//Color BackColor=
System.Drawing.Color.FromArgb(((System.Byte)(224)), ((System.Byte)(224)),
((System.Byte)(224)));
public
MyGraph()
{
//mGraphics=this.CreateGraphics(); //
// TODO:
在此处添加构造函数逻辑
//
}
//由左下顶点与宽、高画颜色为color的平行四边形
public
void DrawRectangle3DTop(Color color, Point LeftUnderPoint,int Width,int
Height)
{
try
{
//计算左上顶点
Point p1=new Point
();
p1.X=LeftUnderPoint.X+Height;
p1.Y=LeftUnderPoint.Y-Height;
//计算右上顶点
Point
p2=new Point
();
p2.X=LeftUnderPoint.X+Width+Height;
p2.Y=LeftUnderPoint.Y-Height;
//计算右下顶点
Point
p3=new Point
();
p3.X=LeftUnderPoint.X+Width;
p3.Y=LeftUnderPoint.Y;
Point[]
curvePoints =
{
LeftUnderPoint,
p1,
p2,
p3
};
//
Define fill mode.
//FillMode newFillMode = FillMode.Winding;
// Fill
polygon to screen.
// Create solid brush.
SolidBrush Brush = new
SolidBrush(color);
mGraphics.FillPolygon(Brush,
curvePoints);
//mGraphics.FillPolygon(Brush, curvePoints,
newFillMode);
//画边框
mGraphics.DrawPolygon(this.mBlackPen,
curvePoints);
}
catch(Exception ex)
{
string
str=ex.Message;
}
}
//由左下顶点与宽、高画颜色为color的平等四边形
public void
DrawRectangle3DRight(Color color, Point LeftUnderPoint,int Width,int
Height)
{
try
{
// Create solid brush.
SolidBrush Brush =
new SolidBrush(color);
//计算左上顶点
Point p1=new Point
();
p1.X=LeftUnderPoint.X;
p1.Y=LeftUnderPoint.Y-Height;
//计算右上顶点
Point
p2=new Point
();
p2.X=p1.X+Width;
p2.Y=p1.Y-Width;
//计算右下顶点
Point
p3=new Point
();
p3.X=LeftUnderPoint.X+Width;
p3.Y=LeftUnderPoint.Y-Width;
Point[]
curvePoints =
{
LeftUnderPoint,
p1,
p2,
p3
};
//
Define fill mode.
//FillMode newFillMode = FillMode.Winding;
// Fill
polygon to screen.
mGraphics.FillPolygon(Brush,
curvePoints);
//画边框
mGraphics.DrawPolygon(this.mBlackPen,
curvePoints);
//mGraphics.FillPolygon(Brush, curvePoints,
newFillMode);
}
catch(Exception ex)
{
string
str=ex.Message;
}
}
//由左上角顶点与宽、高画颜色为color的平行四边形
public
void DrawRectangle(Color color, Point P,int Width,int Height)
{
Rectangle Rectangle1=new Rectangle( P.X,P.Y, Width,Height);
//
Create solid brush.
SolidBrush Brush = new SolidBrush(color);
//
Fill polygon to screen.
mGraphics.FillRectangle(Brush,
Rectangle1);
//画边框
mGraphics.DrawRectangle(this.mBlackPen,Rectangle1);
}
//由左下顶点与长、宽、高画颜色为color的立方图形(3D)
public
void DrawCube(Color color, Point LeftUnderPoint,int Lenght,int Width,int
Height)
{
// Create solid brush.
SolidBrush Brush = new
SolidBrush(color);
Point LeftTopPoint=
LeftUnderPoint;
LeftTopPoint.Y-=
Height;
DrawRectangle3DTop(color,LeftTopPoint,Width,Lenght);
DrawRectangle(color,LeftTopPoint,Width,Height);
Point
RightP=LeftUnderPoint;
RightP.X+=Width;
DrawRectangle3DRight(Color.Black,RightP,Lenght,Height);
}
//画X轴
public void DrawAxesX(Color color, Point p,int
Width,int
Height)
{
DrawRectangle3DTop(color,p,Width,Height);
}
//画Y轴
public
void DrawAxesY(Color color, Point p,int Width,int
Height)
{
DrawRectangle3DRight(color,p,Width,Height);
}
//由顶点与长、宽、高画颜色为color，背景色为的BackColor图表(3D)
public
void DrawPDAChart(Color GridLineColor,Color AxesXColor,Color
AxesYColor,_
Color BackColor,Point p,int Lenght,int Width,int
Height,bool IsShowAxesX,bool
IsShowAxesY)
{
if(IsShowAxesX)
{
//画X轴
DrawAxesX(AxesXColor,p,Width,Lenght);
}
if(IsShowAxesY)
{
//画Y轴
DrawAxesY(AxesYColor,p,Lenght,Height);
}
////画图形区
Point
pRectangle=p;
pRectangle.X+=Lenght;
pRectangle.Y-=Lenght;
pRectangle.Y-=Height;
DrawRectangle(BackColor,pRectangle,Width,Height);
}
//画一条水平网络线与对应的折线
public
void DrawGridLine(Color GridLineColor,Point p,int Width,int Lenght)
{
//Draw the Y scale;
Point EndP=p;
EndP.X+=Width;
Pen pen=new
Pen(
GridLineColor);
//this.mGraphics.DrawLine(pen,p,EndP);
//水平线
this.mGraphics.DrawLine(pen,p.X,p.Y,EndP.X,EndP.Y
);
//左折线
this.mGraphics.DrawLine(pen,p.X,p.Y,EndP.X-Lenght,EndP.Y+Lenght
);
}
//画所有水平网络线
//p:起始点;Width：线宽;BetweenHeight:二线之间高,Count:线数
public
void DrawGridLines(Color GridLineColor,Point p,int Width,int Lenght,int
BetweenHeight,int Count)
{
Pen pen=new Pen(
GridLineColor);
for(int i=0;i<Count;i++)
{
//DrawGridLine(GridLineColor,p,Width,Lenght);
//水平线
this.mGraphics.DrawLine(pen,p.X,p.Y,p.X+Width,p.Y );
//左折线
this.mGraphics.DrawLine(pen,p.X-Lenght+1,p.Y+Lenght,p.X,p.Y);
p.Y-=BetweenHeight;
}
}
//在位置（x,y)处以颜色color、字体font写文本text
public void
DrawText(string text,Color color, Font font,int x,int y)
{
// Create
solid brush.
SolidBrush Brush = new
SolidBrush(color);
this.mGraphics.DrawString(text, font, Brush, x
,y);
}
//由点p(矩形左上角点),宽pieWidth，高pieHeight，颜色color画馅饼图
public
void DrawCake(Color color,Point p,int pieWidth,int pieLenght,int
pieHeight)
{
Pen PenBlack=new Pen(
Color.Black);
//黑色最下面的椭圓
Rectangle rc1 =new
Rectangle(p.X,p.Y+pieHeight,pieWidth,pieLenght);
this.mGraphics.DrawEllipse(PenBlack,rc1);
SolidBrush objBrush =
new SolidBrush(color);
for(int
i=0;i<pieHeight;i++)
{
this.mGraphics.FillEllipse(objBrush,p.X,p.Y+i,pieWidth,pieLenght);
}
//黑色最上面的椭圓
Rectangle
rc =new Rectangle(p.X,p.Y,pieWidth,pieLenght);
this.mGraphics.DrawEllipse(PenBlack,rc);
this.mGraphics.DrawLine(
PenBlack,p.X,p.Y+pieLenght/2,p.X,p.Y+pieHeight+pieLenght/2);
this.mGraphics.DrawLine(
PenBlack,p.X+pieWidth,p.Y+pieLenght/2,p.X+pieWidth,p.Y+pieHeight+pieLenght/2);
}
//求隋圆任意一点x坐标的相对点
//角angle，中心点oPoint，a，长半轴，b,短半轴
public
double GetEllipsePX(double angle,int a,int b)
{
//角
double
radians = angle * (Math.PI/180);
double px=a*System.Math.Cos(radians) ;
return
px;
}
//求隋圆任意一点y坐标的相对点
//角angle，中心点oPoint，a，长半轴，b,短半轴
public
double GetEllipsePY(double angle,int a,int b)
{
//角
double
radians = angle * (Math.PI/180);
double py=b*System.Math.Sin(radians);
return py;
}
//画线椭圆线
//角angle，中心点oPoint，a，长半轴，b,短半轴
public void
DrawEllipseLine(double angle,Point oPoint,int a,int b)
{
int
px=System.Convert.ToInt32(GetEllipsePX(angle,a,b))+oPoint.X ;
int
py=System.Convert.ToInt32(GetEllipsePY(angle,a,b))+oPoint.Y ;
Pen
PenBlack=new Pen( Color.Black);
this.mGraphics.DrawLine(
PenBlack,oPoint.X,oPoint.Y,px,py);
//e.Graphics.DrawLine(
PenBlack,oPoint.X,oPoint.Y,oPoint.X+b,oPoint.Y);
}
//取扇形的点集（逆时针）
//角angle，已经画过的角FinishAngle,中心点oPoint，长半轴a，短半轴b
public
ArrayList GetPicPoints(double angle,double FinishAngle,Point oPoint,int
a,int b)
{
//Point[System.Convert.ToInt32(angle)] curvePoints=new
Array() ;
//以步长为1求扇形弧线的坐标点
ArrayList pList=new ArrayList()
;
pList.Add(oPoint);
//pList.Add(ArcStartPoint);
for(int
i=0;i<System.Convert.ToInt32(angle);i++)
{
int
px=System.Convert.ToInt32(GetEllipsePX(i+FinishAngle,a,b))+oPoint.X
;
int
py=System.Convert.ToInt32(GetEllipsePY(i+FinishAngle,a,b))+oPoint.Y
;
pList.Add(new Point(px,py));
//curvePoints.SetValue(
}
return
pList;
}
//画扇形（逆时针）
//角度angle，已经画过的角FinishAngle,中心点oPoint，长半轴a，短半轴b
public
void DrawPDAPic(Color color, string text,double angle,double
FinishAngle,Point oPoint,int a,int b)
{
// Create solid
brush.
SolidBrush Brush = new SolidBrush(color);
ArrayList
pList=GetPicPoints(angle,FinishAngle,oPoint,a,b);
Point[]
curvePoints=new Point[pList.Count] ;
for(int
i=0;i<pList.Count;i++)
curvePoints[i]=(Point)pList[i];
mGraphics.FillPolygon(Brush,
curvePoints);
//画边框
mGraphics.DrawPolygon(this.mBlackPen,
curvePoints);
//DrawText(text,Color.Black,this.
}
}
#endregion |
3.
在解决方案资源管理器中，右击"引用"，然后单击"添加引用"。
4.
在"添加引用"对话框中的".NET"选项卡上，单击"System.Drawing"，然后单击"选择"。
"System.Drawing"会出现在"选定的组件"下。
5. 对"System.Windows.Forms"重复步骤
4 并单击"确定"。
"System.Drawing"和"System.Windows.Forms"都会出现在解决方案资源管理器的"引用"下。
6. 在"生成"菜单上，单击"生成解决方案"。
将生成控件 PDAChartControlControl.dll
的运行时版本并将其放在目录 Projects_Directory\PDAChartControlContro\bin\Debug\ 中。
7. 在"文件"菜单中，单击"关闭解决方案"。
由于生成了控件的运行时版本，接下来可以为设计器支持生成设计时版本。
|
