using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Shapes;
namespace PipeGallery.Model
{
/// <summary>
/// 坐标系类
/// </summary>
public class CoordinatesInfoType
{
public CoordinatesInfoType()
{
}
private string _yName = string.Empty;
public string YName
{
get { return _yName; }
set { _yName = value; }
}
private double _yMaxValue;
//Y轴最大值
public double YMaxValue
{
get { return _yMaxValue; }
set { _yMaxValue = value; }
}
private double _yMinValue;
//Y轴最小值
public double YMinValue
{
get { return _yMinValue; }
set { _yMinValue = value; }
}
private int _yMarkCount;
//Y轴刻度个数
public int YMarkCount
{
get { return _yMarkCount; }
set { _yMarkCount = value; }
}
private string _xName = string.Empty;
//X轴的名称
public string XName
{
get { return _xName; }
set { _xName = value; }
}
private double _xMaxValue;
//X轴最大值
public double XMaxValue
{
get { return _xMaxValue; }
set { _xMaxValue = value; }
}
private double _xMinValue;
//X轴最小值
public double XMinValue
{
get { return _xMinValue; }
set { _xMinValue = value; }
}
private int _xMarkCount;
//X轴刻度个数
public int XMarkCount
{
get { return _xMarkCount; }
set { _xMarkCount = value; }
}
#region 绘制平面曲线坐标系
//坐标轴的左边沿的X坐标点
double _xs;
//坐标轴的X轴的实际长度
double _xw;
//坐标轴下边沿的Y坐标点
double _ys;
//坐标轴的Y轴的实际长度
double _yh;
string _color;
internal void DrawCoordinates(Canvas canvas, bool isXMark = false, ChartType chartType = ChartType.HomePageView)
{
//清空canvas
canvas.Children.Clear();
//坐标轴的左边沿的X坐标点
_xs = 0;
//坐标轴的X轴的实际长度
_xw = canvas.ActualWidth;
//坐标轴的Y轴的实际长度
if (chartType == ChartType.FilterView)
{
_yh = canvas.ActualHeight;
}
else
{
_yh = canvas.ActualHeight - 50;
}
//坐标轴下边沿的Y坐标点
_ys = _yh;
//坐标轴的Y轴的起点
Point pYStart = new Point(_xs, _ys);
//X坐标轴的左起点,原点
Point pXStart = new Point(); ;
if (chartType == ChartType.HomePageView)
{
pXStart = new Point(_xs, _ys + 10);
}
if (chartType == ChartType.AuditionView)
{
pXStart = new Point(_xs, _ys + 10);
}
if (chartType == ChartType.FilterView)
{
pXStart = new Point(_xs, _ys);
}
_color = "#545454";
//画坐刻度
DrawPlaneCurveMark(canvas, _color, 0, pXStart, pYStart, _xw, _yh, isXMark, chartType);
//画坐标轴
DrawPlaneCurveAxis(canvas, _color, 0, pXStart, pYStart, _xw, _yh, chartType);
}
/// <summary>
/// 画一个平面图表的坐标轴
/// </summary>
/// <param name="canvas">父容器</param>
/// <param name="color">坐标系线轴颜色</param>
/// <param name="offset">偏移量：实现坐标系的阴影</param>
/// <param name="pYStart">坐标系的Y轴的下起点</param>
/// <param name="xw">坐标系X轴的实际长度</param>
/// <param name="yh">坐标系Y轴的实际长度</param>
internal void DrawPlaneCurveAxis(Canvas canvas, string color, double offset, Point pXStart, Point pYStart, double xw, double yh, ChartType chartType = ChartType.HomePageView)
{
PathGeometry axisPathGeometry = new PathGeometry();
if (chartType == ChartType.FilterView)
{
LineGeometry yAxisLeft = new LineGeometry();
yAxisLeft.StartPoint = new Point(pYStart.X + offset, pYStart.Y);
yAxisLeft.EndPoint = new Point(pYStart.X + offset, pYStart.Y - yh);
axisPathGeometry.AddGeometry(yAxisLeft);
}
////画X轴
if (chartType == ChartType.HomePageView || chartType == ChartType.FilterView)
{
LineGeometry xAxis = new LineGeometry();
xAxis.StartPoint = new Point(pXStart.X, pXStart.Y + offset);
xAxis.EndPoint = new Point(pXStart.X + xw, pXStart.Y + offset);
axisPathGeometry.AddGeometry(xAxis);
}
Path pathAxis = new Path();
pathAxis.StrokeThickness = 1;
pathAxis.Stroke = new SolidColorBrush((Color)ColorConverter.ConvertFromString(color)); ;
pathAxis.Data = axisPathGeometry;
canvas.Children.Add(pathAxis);
}
/// <summary>
/// 画一个平面图表的坐标刻度
/// </summary>
internal void DrawPlaneCurveMark(Canvas canvas, string color, double offset, Point pXStart, Point pYStart, double xw, double yh, bool isXMark = false, ChartType chartType = ChartType.HomePageView)
{
PathGeometry markPathGeometry = new PathGeometry();
if (isXMark)
{
double xMarkWidth = _xw / XMarkCount;
double xInterval = (XMaxValue - XMinValue) / XMarkCount;
for (int i = 0; i < XMarkCount + 1; i++)
{
LineGeometry xline = new LineGeometry();
xline.StartPoint = new Point(pXStart.X + xMarkWidth * i, pXStart.Y);
if (chartType == ChartType.HomePageView || chartType == ChartType.FilterView)
{
if (i % 2 == 0)
{
xline.EndPoint = new Point(pXStart.X + xMarkWidth * i, pXStart.Y + 15);
}
else
{
xline.EndPoint = new Point(pXStart.X + xMarkWidth * i, pXStart.Y + 5);
}
}
else
{
if (i % 2 == 0)
{
xline.EndPoint = new Point(pXStart.X + xMarkWidth * i, pXStart.Y + 20);
}
else
{
xline.EndPoint = new Point(pXStart.X + xMarkWidth * i, pXStart.Y + 10);
}
}
markPathGeometry.AddGeometry(xline);
if (chartType == ChartType.AuditionView)
{
LineGeometry xline2 = new LineGeometry();
xline2.StartPoint = new Point(pXStart.X + xMarkWidth * i, -10);
if (i % 2 == 0)
{
xline2.EndPoint = new Point(pXStart.X + xMarkWidth * i, -30);
}
else
{
xline2.EndPoint = new Point(pXStart.X + xMarkWidth * i, -20);
}
markPathGeometry.AddGeometry(xline2);
}
}
if (chartType == ChartType.HomePageView)
{
//TextBlock txtXMarkStartValue = new TextBlock();
//txtXMarkStartValue.FontSize = 20;
//txtXMarkStartValue.Foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString(color));
//txtXMarkStartValue.Text = "" + XMinValue.ToString();
//Canvas.SetRight(txtXMarkStartValue, xw + 5);
//Canvas.SetBottom(txtXMarkStartValue, 40 - 12);
//canvas.Children.Add(txtXMarkStartValue);
TextBlock txtXName = new TextBlock();
txtXName.FontSize = 14;
txtXName.Foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString(color));
txtXName.Text = XName.ToString();
Canvas.SetLeft(txtXName, xw + 5);
Canvas.SetBottom(txtXName, 40 - 12);
canvas.Children.Add(txtXName);
}
else if (chartType == ChartType.FilterView)
{
TextBlock txtXMarkMinValue = new TextBlock();
txtXMarkMinValue.TextAlignment = TextAlignment.Center;
txtXMarkMinValue.Width = 50;
txtXMarkMinValue.FontSize = 20;
txtXMarkMinValue.Foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString(color));
txtXMarkMinValue.Text = "" + XMinValue.ToString();
Canvas.SetLeft(txtXMarkMinValue, -20);
Canvas.SetTop(txtXMarkMinValue, pXStart.Y + 16);
canvas.Children.Add(txtXMarkMinValue);
TextBlock txtXMarkMaxValue = new TextBlock();
txtXMarkMaxValue.TextAlignment = TextAlignment.Center;
txtXMarkMaxValue.Width = 50;
txtXMarkMaxValue.FontSize = 20;
txtXMarkMaxValue.Foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString(color));
txtXMarkMaxValue.Text = "" + XMaxValue.ToString();
Canvas.SetLeft(txtXMarkMaxValue, xw - 20);
Canvas.SetTop(txtXMarkMaxValue, pXStart.Y + 16);
canvas.Children.Add(txtXMarkMaxValue);
TextBlock txtXName = new TextBlock();
txtXName.FontSize = 14;
txtXName.Foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString(color));
txtXName.Text = XName.ToString();
Canvas.SetLeft(txtXName, xw + 5);
Canvas.SetTop(txtXName, pXStart.Y - 7);
canvas.Children.Add(txtXName);
}
}
//画Y轴Name
if (chartType == ChartType.FilterView)
{
TextBlock txtYName = new TextBlock();
txtYName.FontSize = 14;
txtYName.Foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString(color));
txtYName.Text = YName.ToString();
Canvas.SetRight(txtYName, xw + 5);
Canvas.SetTop(txtYName, 0);
canvas.Children.Add(txtYName);
}
Path pathAxis = new Path();
if (chartType == ChartType.HomePageView)
{
pathAxis.StrokeThickness = 1;
}
else
{
pathAxis.StrokeThickness = 0.5;
}
//pathAxis.StrokeDashArray = new DoubleCollection() { 2, 3 };
pathAxis.Stroke = new SolidColorBrush((Color)ColorConverter.ConvertFromString(color));
pathAxis.Data = markPathGeometry;
canvas.Children.Add(pathAxis);
}
#endregion
public double GetXPosition(double x)
{
double d1 = x - XMinValue;
double d2 = XMaxValue - XMinValue;
double d = _xw * d1 / d2;
return d;
}
}
}
