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358 lines
11 KiB
C#

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Drawing2D;
namespace Mesnac.Controls.Default
{
[ToolboxBitmap(typeof(Curve), "ICONS.Curve.bmp")]
public partial class Curve : Control
{
#region 初始化
public Curve()
{
InitializeComponent();
SetStyle(ControlStyles.UserPaint |
ControlStyles.DoubleBuffer |
ControlStyles.ResizeRedraw |
ControlStyles.AllPaintingInWmPaint |
ControlStyles.SupportsTransparentBackColor,
true);
this.Size = new Size(200, 180);
}
private int _xPointCount = 200;
List<pvalue> m_pvalues = new List<pvalue>(); // value array
private string strTitle = "曲线图"; //标题
private Color clrAxisTextColor = Color.Black; //轴说明文字颜色
private Color clrSliceTextColor = Color.Black; //刻度文字颜色
private int _MaXValue = 200;
private class pvalue
{
public pvalue()
{
time = DateTime.Now;
}
public float value { get; set; }
public DateTime time { get; set; }
}
#endregion
#region 公共属性
#region mFont
private Font _font = null;
[Description("文本字体"), Category("Appearance")]
public Font mFont
{
get { return _font; }
set { _font = value; this.Invalidate(); }
}
#endregion
#region MaxValue
[Description("Y轴最大值"), Category("Data")]
public int MaxValue
{
set { _MaXValue = value; this.Invalidate(); }
get { return _MaXValue; }
}
#endregion
#region xPointCount
[Description("X轴最大值"), Category("Data")]
public int xPointCount
{
set { _xPointCount = value; this.Invalidate(); }
get { return _xPointCount; }
}
#endregion
#region CurrentValue
private float _CurrentValue = 0f;
public float CurrentValue
{
set { _CurrentValue = value; }
get { return _CurrentValue; }
}
#endregion
#region sName
private string _sName = "CurveName";
[Description("曲线名称"), Category("Appearance")]
public string sName
{
set { _sName = value; this.Invalidate(); }
get { return _sName; }
}
#endregion
#region Title
/// <summary>
/// 标题
/// </summary>
///
[Description("图表标题"), Category("Appearance")]
public string Title
{
set { strTitle = value; this.Invalidate(); }
get { return strTitle; }
}
#endregion
#region TextColor
/// <summary>
/// 文字颜色
/// </summary>
///
private Color clrTextColor = Color.Green;
[Description("数字和文本的颜色"), Category("Appearance")]
public Color TextColor
{
set { clrTextColor = value; this.Invalidate(); }
get { return clrTextColor; }
}
#endregion
#region AxisColor
/// <summary>
/// 轴线颜色
/// </summary>
///
private Color clrAxisColor = Color.Black;
[Description("坐标系的颜色"), Category("Appearance")]
public Color AxisColor
{
set { clrAxisColor = value; this.Invalidate(); }
get { return clrAxisColor; }
}
#endregion
#region CurveColor
/// <summary>
/// 曲线颜色
/// </summary>
///
private Color clrsCurveColors = Color.Red;
[Description("曲线颜色"), Category("Appearance")]
public Color CurveColor
{
set { clrsCurveColors = value; this.Invalidate(); }
get { return clrsCurveColors; }
}
#endregion
#region DashStyle
private DashStyle _dashStyle = DashStyle.Solid;
[Description("边框风格"), Category("Behavior")]
public DashStyle DashStyle
{
get { return _dashStyle; }
set { _dashStyle = value; this.Invalidate(); }
}
#endregion
#region LineStyle
private DashStyle _LineStyle = DashStyle.Solid;
[Description("曲线风格"), Category("Behavior")]
public DashStyle LineStyle
{
get { return _LineStyle; }
set { _LineStyle = value; this.Invalidate(); }
}
#endregion
#region FontSize
/// <summary>
/// 字体大小号数
/// </summary>
///
private int intFontSize = 9;
[Description("数字和文本的字号"), Category("Appearance")]
public int FontSize
{
get { return intFontSize; }
set { intFontSize = value; this.Invalidate(); }
}
#endregion
#region CurveSize
/// <summary>
/// 曲线线条大小
/// </summary>
///
private int intCurveSize = 1;
[Description("曲线线宽"), Category("Appearance")]
public int CurveSize
{
get { return intCurveSize; }
set { intCurveSize = value; this.Invalidate(); }
}
#endregion
#region LineColor
//
//line style
private Color _LineColor = Color.Black;
[Description("边框颜色"), Category("Appearance")]
public Color LineColor
{
get { return _LineColor; }
set { _LineColor = value; this.Invalidate(); }
}
#endregion
#region LineWidth
private int _LineWidth = 2;
[Description("边框线宽"), Category("Appearance")]
public int LineWidth
{
get { return _LineWidth; }
set { _LineWidth = value; this.Invalidate(); }
}
#endregion
#region LineAlpha
private int _LineAlpha = 255;
[Description("边框线色透明值0~255"), Category("Appearance")]
public int LineAlpha
{
get { return _LineAlpha; }
set { _LineAlpha = value; this.Invalidate(); }
}
#endregion
#region bHaveAction
//action setup
private bool _bHaveAction = false;
public bool bHaveAction
{
get
{
return _bHaveAction;
}
set
{
_bHaveAction = value;
}
}
#endregion
#region ScaleName
private string _scalename = null;
public string ScaleName
{
get
{
return _scalename;
}
set
{
_scalename = value;
}
}
#endregion
#endregion
#region PointValue
private void AddPoint(float y)
{
CurrentValue = y;
pvalue p = new pvalue();
p.value = y;
m_pvalues.Add(p);
if (m_pvalues.Count > _xPointCount)
{
m_pvalues.RemoveAt(0);
}
this.Refresh();
}
private string _PointName = null;
public string PointName
{
get
{
return _PointName;
}
set
{
_PointName = value;
}
}
public float PointValue
{
set
{
AddPoint(value);
}
get
{
return CurrentValue;
}
}
#endregion
protected override void OnPaint(PaintEventArgs pe)
{
// TODO: 在此处添加自定义绘制代码
#region 初始化基础表格
Graphics g = pe.Graphics;
GraphicsPath path = new GraphicsPath();
Rectangle rect = new Rectangle(new Point(0, 0), new Size(this.ClientSize.Width, this.ClientSize.Height));
path.AddRectangle(rect);
Pen pen = null;
pen = new Pen(Color.FromArgb(LineAlpha, LineColor));
pen.Width = LineWidth;
pen.DashStyle = DashStyle;
g.DrawPath(pen, path);
if (pen != null)
{
pen.Dispose();
}
path.Dispose();
//draw cordniate
if (_font == null)
{
_font = new Font("宋体", FontSize, FontStyle.Regular);
}
SolidBrush b1 = new SolidBrush(clrAxisColor);
Pen b2 = new Pen(AxisColor, 1);
for (int j = -2; j < 3; j++)//-2 3
{
int i;
double slice = ((double)j * MaxValue / 2);
g.DrawString(slice.ToString(), _font, b1, rect.Left, rect.Top + rect.Height / 2 - j * rect.Height / 6);
for (i = 0; i < 60; i += 2)
{
float fltX1 = rect.Left + 9 * rect.Width * i / 600;
float fltY1 = rect.Top + rect.Height / 2 - j * rect.Height / 6;
float fltX2 = rect.Left + 9 * rect.Width * (i + 1) / 600;
float fltY2 = rect.Top + rect.Height / 2 - j * rect.Height / 6;
g.DrawLine(b2, fltX1, fltY1, fltX2, fltY2);
}
}
SolidBrush sb = new SolidBrush(clrTextColor);
//Font ft = new Font("宋体", FontSize);
g.DrawString(strTitle, _font, sb, rect.Width / 2 - strTitle.Length, rect.Top + 15);
g.DrawString("当前值: " + CurrentValue.ToString(), _font, sb, rect.Left + 5, rect.Top + 15);
g.DrawString("曲线名称: " + sName, _font, sb, rect.Left + 5, rect.Bottom - 15);
#endregion
#region 曲线值
//draw curve
float maxheight = MaxValue;
float widthsegment = (float)(rect.Width * 0.9) / _xPointCount;
Pen b3 = new Pen(clrsCurveColors, intCurveSize);
b3.DashStyle = LineStyle;
if (true)
{
float fltX1 = rect.Left;
float fltY1 = rect.Top + rect.Height / 2;
for (int i = 0; i < m_pvalues.Count; i++)
{
float fltX2 = rect.Left + i * widthsegment;
float fltY2 = rect.Top + rect.Height / 2 - ((m_pvalues[i].value * rect.Height) / (2 * maxheight)) * 2 / 3;
g.DrawLine(b3, fltX1, fltY1, fltX2, fltY2);
fltX1 = fltX2;
fltY1 = fltY2;
if ((i + 1) % 30 == 0 && i > 0)
{
g.DrawLine(b2, fltX2, rect.Top + 1 * rect.Height / 6, fltX2, rect.Top + 5 * rect.Height / 6);
g.DrawString(m_pvalues[i].time.ToString("mm:ss"), _font, sb, fltX2 - 16, rect.Top + 5 * rect.Height / 6);
}
}
}
b1.Dispose();
b2.Dispose();
b3.Dispose();
sb.Dispose();
#endregion
// 调用基类 OnPaint
base.OnPaint(pe);
}
}
}