#region Component Designer generated code
///
/// Required method for Designer support - do not modify
/// the contents of this method with the Code Editor.
///
private void InitializeComponent()
{
this.Paint += new System.Windows.Forms.PaintEventHandler(this.OnPaint);
this.hScrollBar1 = new System.Windows.Forms.HScrollBar();
this.hScrollBar1.Location = new System.Drawing.Point(1, 100);
this.hScrollBar1.Maximum = 1;
this.hScrollBar1.LargeChange = 1;
this.hScrollBar1.Size = new System.Drawing.Size(100, 16);
this.hScrollBar1.ValueChanged += new System.EventHandler(this.hScrollBar1_ValueChanged);
this.Controls.Add(this.hScrollBar1);
}
#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
CountMaxScaleXScaleY();
UnderHeightWarp=(int)objGraph.mGraphics.MeasureString("文本",this.mTextFont).Height+5;
UnderHeightWarp+=this.hScrollBar1.Height;
//作图的范围区(开始点、长、宽、高)
mBeginPoint.X =this.ClientRectangle.X+LeftWidthWarp ;
mBeginPoint.Y =this.ClientRectangle.Y+rcClient.Height-UnderHeightWarp ;
//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;
//设置流动条
// this.hScrollBar1.Location = new System.Drawing.Point(0, rcClient.Y+rcClient.Height);
InitPage();
if (this.hScrollBarVisible)
{
this.hScrollBar1.Left=0;
this.hScrollBar1.Top=rcClient.Height-this.hScrollBar1.Height ;
this.hScrollBar1.Maximum=this.PageCount-1;
if(rcClient.Width <246)
this.hScrollBar1.Width= rcClient.Width;
else
this.hScrollBar1.Width=246;
}
else
{
this.hScrollBar1.Left=0;
this.hScrollBar1.Top=0 ;
}
//从此分别画图
if (this.mMaxYValue> 10)
{
//水平网络线
this.BetweenLineHeight=(int)objGraph.mGraphics.MeasureString("文本",this.mTextFont).Height;
this.LineCount=Height/BetweenLineHeight;
}
else
{
this.BetweenLineHeight=Height/10;
//线数应该是能整
this.LineCount=10;
}
//画与它父相同背景颜色的区域,以隐藏角边
Color ParentBackColor=Color.Brown;
objGraph.DrawRectangle( ParentBackColor,new Point(0,0),rcClient.Width,rcClient.Height);
e.Graphics.DrawRectangle(new Pen(ParentBackColor), rcClient);
objGraph.DrawPDAChart(this.mGridLineColor, this.mAxesXColor,this.mAxesYColor,_
this.mBackColor,mBeginPoint,Lenght,Width,Height, this.mShowXScale,this.mShowYScale);
//画线和左文本(内部左下点)
Point p=mBeginPoint;
p.X+=this.mLenght;
p.Y-=this.mLenght;
DrawGridLineAndTexts(p,Width);
//mBeginPoint
//画矩形与写文本
//CreateCubes(mBeginPoint,Width,rcClient.Height);
//mBeginPoint.X+=10;
CreatePageCubes(mBeginPoint,Width,ClientHeight);
DrawTitle(rcClient);
}
}
//以左下坐标p,颜色color,长Lenght,宽Width,高Height,x轴文本textX,画立体图
public void AddOneCube(string textX,Point p,Color color,int Lenght,int Width, int Height)
{
try
{
objGraph.DrawCube (color,p,Lenght,Width,Height);
//文本
int txtWidth=(int)objGraph.mGraphics.MeasureString(textX,mTextFont).Width;
int txtHeight=(int)objGraph.mGraphics.MeasureString(textX,mTextFont).Height;
int x=(p.X+Width/2)-txtWidth/2;
int y=p.Y+txtHeight/2;
this.objGraph.DrawText(textX,Color.Black,this.mTextFont,x,y-5);
}
catch(Exception ex)
{
string str=ex.Message;
}}
//一页立方体图形个数
int OnePageCubeCount=10;
int CurrentPage=0;//当前页
int PageCount=0;//多少页
//水平轴的相对值
int XScale;
//Y轴的相对值
double YScale=0.2;
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 };
//计算页
private void InitPage()
{
if(this.OnePageCubeCount==0) return;
if (mDataTable.Rows.Count this.OnePageCubeCount=mDataTable.Rows.Count ;
if(this.OnePageCubeCount==0) return;
PageCount=mDataTable.Rows.Count/this.OnePageCubeCount;
//水平轴的相对值
XScale=Width/this.OnePageCubeCount ;
//Y轴的相对值
if(this.mMaxYValue <=0) return;
{
if(this.mMaxYValue==0) return;
this.YScale=double.Parse(this.YHeight.ToString())/double.Parse( this.mMaxYValue.ToString() ) ;//System.Math.
//this.YScale=double.Parse(this.YScale.ToString())/double.Parse(this.LineCount.ToString() );
}
// this.YScale=double.Parse(System.Convert.ToString(1))/double.Parse( this.mMaxYValue.ToString() ) ;//System.Math.
}
private void hScrollBar1_ValueChanged(object sender, System.EventArgs e)
{
//OnPaint(object sender, System.Windows.Forms.PaintEventArgs e)
//清画出的图
this.CurrentPage=hScrollBar1.Value;
// if (mGraphics.Clip==null)
// {
mGraphics=this.CreateGraphics ();
this.objGraph.mGraphics=mGraphics;
// }
//mGraphics.Clip=this.Region1;
//画矩形与写文本,最多一屏
//mGraphics.Clear(this.mBackColor) ;
//mGraphics.ResetClip();
//CreatePageCubes(mBeginPoint,Width,ClientHeight);
System.Windows.Forms.PaintEventArgs e1=new PaintEventArgs( mGraphics,this.rcClient);
OnPaint(null,e1);
}
public void NextPage()
{
this.objGraph.mGraphics=this.CreateGraphics ();
this.CurrentPage++;
Bitmap bm = new Bitmap(10,10);
Graphics g = Graphics.FromImage(bm);
if (this.CurrentPage> this.PageCount)
this.CurrentPage--;
//画矩形与写文本,最多一屏
//mGraphics.Clear(Color.Red) ;
//mGraphics.ResetClip();
CreatePageCubes(mBeginPoint,Width,ClientHeight);
}
//在左下顶点,宽Width,高Height建立立方体
private void CreatePageCubes(Point BeginP ,int Width,int Height)
{
if(mDataTable.Rows.Count==0) return;
int Between=10;
switch(this.OnePageCubeCount)
{
case 1:
Between= mWidth/2;
break;
case 2:
Between= mWidth/3;
break;
case 3:
Between= mWidth/4;
break;
case 4:
Between= mWidth/5;
break;
case 5:
Between= mWidth/6;
break;
case 6:
Between= mWidth/7;
break;
case 7:
Between= mWidth/8-1;
break;
case 8:
Between= mWidth/9-2;
break;
case 9:
Between=mWidth/9-5;
break;
case 10:
Between=mWidth/10-5;
break;
}
int RowIndex=this.OnePageCubeCount*this.CurrentPage;
Point p=BeginP;//dr.
p.X-=8;
for ( int i=0;i {
//p.X= this.XScale*(i+1)+10;
p.X+=Between+this.mLenght;
double CubeHeight=this.YScale*System.Convert.ToInt32(mDataTable.Rows[
RowIndex][this.mDataColumnName]);
//if ((p.X > = 0) && (p.X <= Width) && (p.Y > = 0) && (p.Y <= Height))
//{
string text=mDataTable.Rows[RowIndex][this.mShowColumnName].ToString() ;
string Data=mDataTable.Rows[RowIndex][this.mDataColumnName].ToString() ;
int ColorIndex=RowIndex;
if (ColorIndex> =color.Length)
ColorIndex=color.Length-1;
if (this.mShowXText==false) text=" ";
AddOneCube(text,p,color[i],this.mLenght,this.mLenght+4,System.Convert.
ToInt32(CubeHeight));
//}
RowIndex++;
}
}
//在左下顶点,宽Width,高Height建立立方体
private void CreateCubes(Point BeginP ,int Width,int Height)
{
if(mDataTable.Rows.Count==0) return;
//水平轴的相对值
int XScale=Width/mDataTable.Rows.Count ;
//Y轴的相对值
if(this.mMaxYValue <=0) return;
int YScale=Height/(this.mMaxYValue*this.LineCount) ;
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 };
foreach(DataRow dr in mDataTable.Rows)
{
RowIndex+=1;
Point p=BeginP;//dr.
p.X= XScale*RowIndex+10;
int CubeHeight=YScale*System.Convert.ToInt32(dr[this.mDataColumnName]);
if ((p.X > = 0) && (p.X <= Width) && (p.Y > = 0) && (p.Y <= Height))
{
string text=dr[this.mShowColumnName].ToString() ;
string Data=dr[this.mDataColumnName].ToString() ;
int ColorIndex=RowIndex;
if (ColorIndex> =color.Length)
ColorIndex=color.Length-1;
if (this.mShowXText==false) text=" ";
AddOneCube(text,p,color[ColorIndex-1],this.mLenght,this.mLenght+5,
CubeHeight);
//objGraph.DrawCube (color,p,this.mLenght,Width,Height);
}
}
}
//计算最大的x、y轴坐标,左边文本宽,最小的线高
private void CountMaxScaleXScaleY()
{
if(mDataTable.Rows.Count==0) return;
this.mMaxXValue=mDataTable.Rows.Count ;
this.mMaxYValue=0;
//this.l.
foreach(DataRow dr in mDataTable.Rows)
{
int CubeHeight=System.Convert.ToInt32(dr[this.mDataColumnName]);
if (mMaxYValue {
mMaxYValue=CubeHeight;
}
int TextWidth=(int)objGraph.mGraphics.MeasureString(System.Convert.
ToDouble( dr[this.mDataColumnName])._
ToString() ,this.mTextFont).Width+10;
if (LeftWidthWarp {
LeftWidthWarp=TextWidth;
}
}
//LeftWidthWarp+=10;
}
//在顶部中心位置写标题
private void DrawTitle(Rectangle rcClient)
{
int Width=(int)objGraph.mGraphics.MeasureString(this.mTitle,mTit
leFont).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);
}
//画所有水平网络线
//p:起始点;Width:线宽;BetweenHeight:二线之间高,Count:线数
// private void DrawGridLineAndTexts(Point p,int Width)
// {
// for(int i=0;i // {
// DrawGridLineAndText(p,p,Width,Lenght);
// p.Y-=BetweenHeight;
// }
// }