C#--工作笔记(直方图整体UserControls)

<UserControl x:Class="Health365IIProjectView.HartHistogramControl"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
mc:Ignorable="d" Loaded="UserControl_Loaded" SizeChanged="UserControl_SizeChanged">

<Canvas x:Name="HeartbeatHistogram" Background="DarkGray">

</Canvas>
</UserControl>

===================================================================================================================

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

using Health365IIProjectBLL;

namespace Health365IIProjectView
{

//internal delegate void user_OnClick(int index);
/// </summary>
/// HartHistogramControl.xaml 的交互逻辑
/// </summary>
public partial class HartHistogramControl : UserControl
{
//声明委托
internal delegate void user_OnClick(int index);
//声明事件
internal event user_OnClick UXEvent;
/// <summary>
/// 用来矩形颜色的显示
/// </summary>
private Color[,] colorsSolution = new Color[2, 3]
{
{Color.FromRgb(0,142,143),Color.FromRgb(0,113,113),Color.FromRgb(0,92,93)},
{Color.FromRgb(246,188,16),Color.FromRgb(194,153,11),Color.FromRgb(111,139,161)}
};
/// <summary>
/// 保存心率直方图的数组
/// </summary>
private int[] _HeartRateArray;
/// <summary>
/// 左边框的属性值
/// </summary>
private int _leftBorder = 35;

/// <summary>
/// <summary>
/// 右边框的属性值
/// </summary>
private int _rightBorder = 20;
/// <summary>
/// 上边框的属性值
/// </summary>
private int _topBorder = 10;
/// <summary>
/// 下边框的属性值
/// </summary>
private int _bottomBorder = 20;
/// <summary>
/// 数据的单位
/// </summary>
private int _dataUnit;
/// <summary>
/// 数据单位的显示
/// </summary>
private string _unitName;
/// <summary>
/// x轴单位像素宽度
/// </summary>
private double _xUnitP;

/// 纵轴刻度个数
/// </summary>
private int _yUnitCount;

/// <summary>
/// 纵轴一个刻度对应的值
/// </summary>
private int _yUnitValue;

public HartHistogramControl()
{
InitializeComponent();

}
/// <summary>
/// 设置数据，并开始构建直方图;
/// </summary>
/// <param name="data"></param>
/// <param name="dataUnit"></param>
/// <param name="unitName"></param>
public void SetData(int index,int[] data,int dataUnit,string unitName)
{
//获取数组
_HeartRateArray = data;
//用来显示一个值
_dataUnit = dataUnit;
//单位显示
_unitName = unitName;

if (_HeartRateArray != null)
{
Drawing(index);
}
//if (index != 0)
//{
//    if (_HeartRateArray[index] == 0)
//    {

//    }
//    else
//    {
//        CreateChartColumn(index, _xUnitP - ActualWidth / 350, _HeartRateArray[index] * 30 / _yUnitValue, _leftBorder + _xUnitP * index , _bottomBorder + 2, Color, _HeartRateArray[index]);
//    }
//}
}

/// <summary>
/// 开始画心率直方图
/// </summary>
private void Drawing(int _index)
{
_yUnitCount = Convert.ToInt32(ActualHeight - _topBorder - _bottomBorder) / 30;
//求出一个刻度的单位大小
if (_yUnitCount <= 0)
{

}
else
{
_yUnitValue = _HeartRateArray.Max() / _yUnitCount;
}
this.HeartbeatHistogram.Children.Clear();
//清理画板

//当前宽度-左边距-右边距=X轴的长度/数组长度=X轴一个单位的像素
_xUnitP = (ActualWidth -_leftBorder -_rightBorder)/_HeartRateArray.Length;
//y轴的长度
int y0 =Convert.ToInt32(ActualHeight - _bottomBorder);

//画坐标X从左边距为起点，到右边距结束，定位为y轴的开始位置
DrawingPolyline(new Point(_leftBorder, y0), new Point(ActualWidth - _rightBorder, y0));
//画坐标Y长度开始，到上边距结束，定位为坐边距
DrawingPolyline(new Point(_leftBorder, y0), new Point(_leftBorder, _topBorder));
//x坐标间距
for (int i = 1; i <= _HeartRateArray.Length; i++)
{
//5个大格1个单位
if (i % 5 == 0)
{
Label l = new Label();
//设置X轴显示的位置
l.SetValue(Canvas.TopProperty, y0+2.0);
//设置X轴间隔与字体的对应位置
l.SetValue(Canvas.LeftProperty, _leftBorder + _xUnitP
* i - 15);
//显示值
l.Content = (_dataUnit * i).ToString();

this.HeartbeatHistogram.Children.Add(l);
//画X坐标的间距 从左边距+一个格子像素值*显示值的距离=坐标间距的长度   定位Y轴长度 +3为了让坐标显示；
DrawingPolyline(new Point(_leftBorder + _xUnitP * i, y0), new Point(_leftBorder + _xUnitP * i, y0 + 3));
}

}
//y坐标间距
for (int i = 0; i <= _yUnitCount; i++)
{
//画Y坐标的间距 从左边距开始 -2为了让坐标显示，y轴的长度-30(显示的距离)*i=要显示Y间距的长度
DrawingPolyline(new Point(_leftBorder, y0 - 30 * i), new Point(_leftBorder - 2, y0 - 30 * i));

Label l = new Label();
//设置Y值显示的位置
l.SetValue(Canvas.TopProperty, y0 - 30 * i - 13.0);
//设置Y值对齐方式，以右边框对齐（值的个位对齐）
l.SetValue(Canvas.RightProperty, ActualWidth - _leftBorder - 3);
//设置显示的值
l.Content = (_yUnitValue * i).ToString();
this.HeartbeatHistogram.Children.Add(l);
}

//画柱状体，根据数组的长度添加的高度和宽度
for (int index = 0; index < _HeartRateArray.Length; index++)
{
//当等于0时，不显示值
if (_HeartRateArray[index] == 0)
{

}
else
{
if (_yUnitCount <= 0)
{

}
else
{
if (_index == index)
{
CreateChartColumn(_index, _xUnitP - ActualWidth / 350, _HeartRateArray[index] * 30 / _yUnitValue, _leftBorder + _xUnitP * index, _bottomBorder + 2, 1, _HeartRateArray[index]);
}
else
{
//开始画矩形图 1.宽度 除350是为了不要显示太宽 2.显示的值 3.左边距 4.下边距 5.颜色
CreateChartColumn(index, _xUnitP - ActualWidth / 350, _HeartRateArray[index] * 30 / _yUnitValue, _leftBorder + _xUnitP * index, _bottomBorder + 2, 0, _HeartRateArray[index]);
}
}
}

}

//总和
int sum = _HeartRateArray.Sum();
DrawTextValue("R--R期间直方图,共计统计心搏" + sum + "次",_leftBorder,0);
//数量
DrawTextValue("数量",0,0);
//用来传入单位的
//1.单位。2,X轴的终点位置。3，Y轴的终点位置
DrawTextValue(_unitName, ActualWidth - _rightBorder - 2, y0-10);

}
public void DrawTextValue(String result, double Left, double top)
{

TextBlock tb = new TextBlock();
tb.Text = result;
tb.Margin = new Thickness(Left,top,0,0);
this.HeartbeatHistogram.Children.Add(tb);

}
/// <summary>
/// 画XY坐标方法
/// </summary>
private void DrawingPolyline(Point p1, Point p2)
{
Polyline p = new Polyline();
p.Stroke = new SolidColorBrush(Color.FromArgb(255, 0, 0, 0));
p.StrokeThickness = 1.0;
p.Points.Add(p1);
p.Points.Add(p2);
this.HeartbeatHistogram.Children.Add(p);
}

//布局调整
private void UserControl_SizeChanged(object sender, SizeChangedEventArgs e)
{
//SetCreateChartColumn(21);
//if (_HeartRateArray != null)
// {

// this.HeartbeatHistogram.Children.Clear();
// Drawing();

// }

}

private void UserControl_Loaded(object sender, RoutedEventArgs e)
{

}

/// <summary>
/// 绘制3D矩形图
/// </summary>
/// <param name="width">宽度</param>
/// <param name="height">显示的值</param>
/// <param name="left">左边距</param>
/// <param name="bottom">下边距</param>
/// <param name="colorFill">颜色</param>
public void CreateChartColumn(int index,double width, double height, double left,int bottom,int colorFill,int arr)
{

Cylinder3DControl p3dc = new Cylinder3DControl();
Color[] cList = setColor(colorFill);
if (width < 0 || height < 0)
{

}
else
{
p3dc.InitSettingCylinder3DControl(width, height, cList);
p3dc.Height = height + width / 3;
p3dc.Width = width / 3 * 4;
}

p3dc.Tag = index;
p3dc.ToolTip=arr;
Canvas.SetLeft(p3dc, left);//用来控制X矩形显示开始的位置
Canvas.SetBottom(p3dc, bottom);
p3dc.Margin = new Thickness(0, 0, 0, 0);

//事件点击
p3dc.MouseLeftButtonDown += new MouseButtonEventHandler(sp_MouseLeftButtonDown);

this.HeartbeatHistogram.Children.Add(p3dc);

}
/// <summary>
/// 改变颜色
/// </summary>
/// <param name="index"></param>
/// <returns></returns>
private Color[] setColor(int index)
{
Color[]  clist = new Color[3];
clist[0] = colorsSolution[index, 0];
clist[1] = colorsSolution[index, 1];
clist[2] = colorsSolution[index, 2];
return clist;
}

/// <summary>
/// 只做变色处理，逻辑处理过程在page页
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public void sp_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{

Color[] cDefaultList=setColor(0);

Color[] cNewList = setColor(1);

Cylinder3DControl p3dc = (Cylinder3DControl)sender;

foreach (UIElement uie in HeartbeatHistogram.Children)
{
if (uie is Cylinder3DControl) ((Cylinder3DControl)uie).SettingPlume3DColors(cDefaultList);
}
p3dc.SettingPlume3DColors(cNewList);

//逻辑事件处理，用来发送委托到Page层
// UXEvent((int)p3dc.Tag);

UXEvent((int)p3dc.Tag);
}

}

}