#0012：新增etalon 文件格式的解析与可视化，和控制

HexcalMC/Base/SharpGLViewportControl.cs

@@ -0,0 +1,73 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Windows.Forms;
+using SharpGL;
+using SharpGL.SceneGraph;
+using Telerik.WinControls.UI;
+
+namespace HexcalMC.Base
+{
+	public partial class SharpGLViewportControl : UserControl
+	{
+		private readonly OpenGLControl openGLControl;
+		private List<Point3D> pointCloud;
+
+		public SharpGLViewportControl()
+		{
+			InitializeComponent();
+
+			openGLControl = new OpenGLControl
+			{
+				Dock = DockStyle.Fill
+			};
+
+
+			Controls.Add(openGLControl);
+
+			openGLControl.OpenGLInitialized += OpenGLControl_OpenGLInitialized;
+			openGLControl.OpenGLDraw += OpenGLControl_OpenGLDraw;
+
+			pointCloud = new List<Point3D>();
+		}
+
+
+		public void SetPointCloud(List<Point3D> points)
+		{
+			pointCloud = points;
+			openGLControl.Invalidate();// 重绘
+		}
+
+		private void OpenGLControl_OpenGLInitialized(object sender, EventArgs e)
+		{
+			var gl = openGLControl.OpenGL;
+			gl.Enable(OpenGL.GL_DEPTH_TEST);
+
+			// 设置清除背景色为黑色
+			gl.ClearColor(0.0f, 0.0f, 1.0f, 0.0f);
+		}
+
+		private void OpenGLControl_OpenGLDraw(object sender, RenderEventArgs args)
+		{
+			var gl = openGLControl.OpenGL;
+			gl.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
+
+			gl.LoadIdentity();
+
+			gl.Begin(OpenGL.GL_POINTS);
+			gl.Color(Color.White);
+
+			foreach (var point in pointCloud)
+			{
+				// 设置点的颜色
+				gl.Color(1.0f, 0.0f, 0.0f); // 红色
+
+				// 设置点的大小
+				gl.PointSize(5.0f); // 大小为5个单位
+				gl.Vertex(point.X, point.Y, point.Z);
+			}
+
+			gl.End();
+		}
+	}
+}