c# cad 二次开发 类库 对话框 将frame界面添加到类库中
2024-05-18 14:29:08
c# cad 二次开发 类库 对话框 将frame界面添加到类库中
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace _19对话框示例
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e){this.DrawEentity();}//画图形的函数private void DrawEentity(){int width = picBxDrawMap.Width;int height = picBxDrawMap.Height;Bitmap bitmap = new Bitmap(width, height);//创建一个位图对象Graphics graph = Graphics.FromImage(bitmap); //通过位图创建GDI+对象Rectangle rect = new Rectangle((int)(width * 0.15), (int)(height * 0.15), (int)(width * 0.8), (int)(height * 0.8));//绘制图形Rectangle rectExtends = this.DrawLineAndArc(bitmap, graph,rect);//画注释this.DrawDimension(bitmap, graph, rectExtends); //graph.DrawRectangle(new Pen(Brushes.Red), rect);picBxDrawMap.Image = bitmap;}private Rectangle DrawLineAndArc(Bitmap bitmap, Graphics graph, Rectangle rect){double ratio = rect.Width * 1.0 / rect.Height;double width = (double)numUDlength.Value;//矩形宽度double height = (double)numUDheight.Value;//矩形的高度Pen pen = new Pen(Brushes.Black);Point topLineLeftPoint;Point topLineRightPoint;Point rightLineTopPoint;Point rightLineBottomPoint;Point bottomLineLeftPoint;Point bottomLineRightPoint;Point leftLineTopPoint;Point leftLineBottomPoint;if (width/height >= ratio){//以长度占满绘图区域，按比例绘制高度，圆弧// width => rect.Width height = height * rect.Width/wdithheight = height* rect.Width/width;int divHeight = (int)(rect.Height - height)/2;topLineLeftPoint = new Point(rect.X, rect.Y + divHeight);topLineRightPoint = new Point(rect.X+rect.Width, rect.Y + divHeight);rightLineTopPoint = topLineRightPoint;rightLineBottomPoint = new Point(rect.X + rect.Width, rect.Y + rect.Height- divHeight);bottomLineLeftPoint = new Point(rect.X, rect.Y + rect.Height - divHeight);bottomLineRightPoint = rightLineBottomPoint;leftLineTopPoint = topLineLeftPoint;leftLineBottomPoint = bottomLineLeftPoint;}else{//以高度占满绘图区域，按比例绘制长度，圆弧width = width * rect.Height / height;int divWidth = (int)(rect.Width - width) / 2;topLineLeftPoint = new Point(rect.X + divWidth, rect.Y);topLineRightPoint = new Point(rect.X + rect.Width - divWidth, rect.Y);rightLineTopPoint = topLineRightPoint;rightLineBottomPoint = new Point(rect.X + rect.Width - divWidth, rect.Y + rect.Height);bottomLineLeftPoint = new Point(rect.X + divWidth, rect.Y + rect.Height);bottomLineRightPoint = rightLineBottomPoint;leftLineTopPoint = topLineLeftPoint;leftLineBottomPoint = bottomLineLeftPoint;}//绘制上边线graph.DrawLine(pen, topLineLeftPoint, topLineRightPoint);//绘制下边线graph.DrawLine(pen, bottomLineLeftPoint, bottomLineRightPoint);//绘制左边线graph.DrawLine(pen, leftLineTopPoint, leftLineBottomPoint);//绘制右边线graph.DrawLine(pen, rightLineTopPoint, rightLineBottomPoint);Rectangle rectExtends = new Rectangle(topLineLeftPoint.X,topLineLeftPoint.Y,topLineRightPoint.X-topLineLeftPoint.X,leftLineBottomPoint.Y-leftLineTopPoint.Y);return rectExtends;}/// <summary>/// 绘制注释/// </summary>/// <param name="bitmap"></param>/// <param name="graph"></param>/// <param name="rect"></param>private void DrawDimension(Bitmap bitmap,Graphics graph,Rectangle rect){int width = picBxDrawMap.Width;int height = picBxDrawMap.Height;Pen pen = new Pen(Brushes.LawnGreen);string strW = numUDlength.Value.ToString();//水平方向的注释文字string strH = numUDheight.Value.ToString();//垂直方向的注释文字//半径的注释文字#region //水平长度的注释线//Point pointHL1 = new Point(rect.X,(int)(height * 0.05));//Point pointHL2 = new Point(rect.X,(int)(height * 0.14));Point pointHL1 = new Point(rect.X, (int)(height * 0.05));Point pointHL2 = new Point(rect.X,rect.Y-4);Point pointHR1 = new Point(rect.X+rect.Width, (int)(height * 0.05));Point pointHR2 = new Point(rect.X + rect.Width, rect.Y - 4);Point PointHH1 = new Point(rect.X, (int)(height * 0.08));Point PointHH11 = new Point(rect.X + rect.Width / 2 - 12 * (strW.Length / 2)-6, (int)(height * 0.08));Point PointHH2 = new Point(rect.X + rect.Width / 2 + 12 * (strW.Length / 2)+8, (int)(height * 0.08));Point PointHH21 = new Point(rect.X + rect.Width, (int)(height * 0.08));graph.DrawString(strW, new Font("宋体", 12), Brushes.LawnGreen, rect.X + rect.Width / 2-12*(strW.Length/2), (int)(height * 0.08)-8);graph.DrawLine(pen, pointHL1, pointHL2);//水平标注的左侧综线graph.DrawLine(pen, pointHR1, pointHR2);//水平标注的左右侧综线graph.DrawLine(pen, PointHH1, PointHH11);//第一段水平线graph.DrawLine(pen, PointHH2, PointHH21);//第二段水平线//左侧箭头graph.DrawLine(pen, PointHH1, new Point(PointHH1.X + 12, PointHH1.Y - 3));graph.DrawLine(pen, PointHH1, new Point(PointHH1.X + 12, PointHH1.Y + 3));//右侧箭头graph.DrawLine(pen, PointHH21, new Point(PointHH21.X - 12, PointHH1.Y - 3));graph.DrawLine(pen, PointHH21, new Point(PointHH21.X - 12, PointHH1.Y + 3));#endregion#region //垂直高度的注释Point pointVT1 = new Point((int)(width * 0.05), rect.Y);Point pointVT2 = new Point(rect.X-4, rect.Y);graph.DrawLine(pen,pointVT1, pointVT2); //垂直注释上面横线Point pointVB1 = new Point((int)(width * 0.05), rect.Y + rect.Height);Point pointVB2 = new Point(rect.X - 4, rect.Y + rect.Height);graph.DrawLine(pen, pointVB1, pointVB2); //垂直注释下面横线graph.DrawString(strH, new Font("宋体", 12), Brushes.LawnGreen,(int)(width * 0.08)-strH.Length*10/2, rect.Y+ rect.Height / 2 - 8);//垂直方向的注释文字Point pointVV1 = new Point((int)(width * 0.08), rect.Y);Point pointVV11 = new Point((int)(width * 0.08), rect.Y+rect.Height/2-8);Point pointVV2 = new Point((int)(width * 0.08), rect.Y + rect.Height / 2 + 8);Point pointVV21 = new Point((int)(width * 0.08), rect.Y + rect.Height);graph.DrawLine(pen, pointVV1, pointVV11); //垂直注释第一段线graph.DrawLine(pen, pointVV2, pointVV21); //垂直注释第二段线//上面箭头graph.DrawLine(pen, pointVV1, new Point(pointVV1.X - 3, pointVV1.Y + 12));graph.DrawLine(pen, pointVV1, new Point(pointVV1.X + 3, pointVV1.Y + 12));//下面箭头graph.DrawLine(pen, pointVV21, new Point(pointVV21.X - 3, pointVV21.Y - 12));graph.DrawLine(pen, pointVV21, new Point(pointVV21.X + 3, pointVV21.Y - 12));#endregion//半径注释//绘制中心线#regiondouble lengthDiv = (rect.Height + 10) / 39;Point firstPoint = new Point(rect.X + rect.Width / 2, rect.Y - 5);Point endPoint = new Point((int)(rect.X + rect.Width / 2), (int)(firstPoint.Y + 2 * lengthDiv));for (int i = 0; i < 20; i++){graph.DrawLine(new Pen(Brushes.PaleVioletRed), firstPoint, endPoint);firstPoint.Y = endPoint.Y + (int)lengthDiv;endPoint = new Point((int)(rect.X + rect.Width / 2), (int)(firstPoint.Y + 2 * lengthDiv));}lengthDiv = (rect.Width + 10) / 39;firstPoint = new Point((int)(rect.X-5),(int)(rect.Y + rect.Height/2));endPoint = new Point((int)(firstPoint.X + lengthDiv), (int)(rect.Y + rect.Height / 2));for (int i = 0; i < 22; i++){graph.DrawLine(new Pen(Brushes.PaleVioletRed), firstPoint, endPoint);firstPoint.X = endPoint.X + (int)lengthDiv;endPoint = new Point((int)(firstPoint.X + lengthDiv), (int)(rect.Y + rect.Height / 2));}#endregion}private void numUDlength_ValueChanged(object sender, EventArgs e){this.DrawEentity();}private void numUDheight_ValueChanged(object sender, EventArgs e){this.DrawEentity();}
}
}
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