364 lines
11 KiB
C#
364 lines
11 KiB
C#
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using Io.Github.Kerwinxu.LibShapes.Core.Serialize;
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using Io.Github.Kerwinxu.LibShapes.Core.Shape;
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using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Linq;
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using System.Text;
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namespace Io.Github.Kerwinxu.LibShapes.Core
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{
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/// <summary>
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/// 图形的集合
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/// </summary>
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public class Shapes
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{
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#region 保存读取相关
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private static ISerialize serialize = new JsonSerialize();
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/// <summary>
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/// 读取
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/// </summary>
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/// <param name="filename"></param>
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/// <returns></returns>
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public static Shapes load(string filename)
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{
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if (serialize != null
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&& ! string.IsNullOrEmpty(filename)
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&& System.IO.File.Exists(filename))
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{
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return serialize.DeserializeObject<Shapes>(System.IO.File.ReadAllText(filename));
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}
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else
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{
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return null;
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}
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}
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/// <summary>
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/// 写入
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/// </summary>
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/// <param name="filename"></param>
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public void save(string filename)
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{
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// 写入文件
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if (serialize != null)
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{
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System.IO.File.WriteAllText(filename, serialize.SerializeObject(this));
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}
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}
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#endregion
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#region 一堆属性，这些可以被json保存
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// 图形的集合
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public List<ShapeEle> lstShapes { get; set; }
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/// <summary>
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/// 坐标转换
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/// </summary>
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public PointTransform pointTransform { get; set; }
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/// <summary>
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/// 纸张的信息
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/// </summary>
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public Paper.Paper Paper { get; set; }
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/// <summary>
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/// 变量信息
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/// </summary>
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private Dictionary<string,string> _vars;
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public Dictionary<string,string> Vars
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{
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get { return _vars; }
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set {
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_vars = value;
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// 然后这里直接更新吧。
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if (value != null && lstShapes != null && lstShapes.Count > 0)
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{
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foreach (var item in lstShapes)
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{
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item.setVals(value);
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}
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}
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}
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}
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#endregion
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#region 构造函数
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public Shapes()
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{
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lstShapes = new List<ShapeEle>();
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pointTransform = new PointTransform();
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//Paper = new Paper.Paper();
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Vars = new Dictionary<string, string>();
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}
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#endregion
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#region 一堆方法
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/// <summary>
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///
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/// </summary>
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/// <param name="g"></param>
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/// <param name="matrix">偏移和放大</param>
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/// <param name="isShowModelBackground">是否打印模板背景</param>
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public void Draw(Graphics g, Matrix matrix, bool isShowModelBackground=true)
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{
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// 1. 先初始化
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initGraphics(g);
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// 2. 绘制模板背景
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if (isShowModelBackground && this.Paper != null && this.Paper.ModelShape != null)
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{
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// 这个纸张的绘制，x，y都是0，width和height是模板的宽和高，不是纸张的。
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this.Paper.ModelShape.X = 0;
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this.Paper.ModelShape.Y = 0;
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this.Paper.ModelShape.Draw(g, matrix);
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}
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// 3. 显示所有的图形。
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if (lstShapes != null && lstShapes.Count > 0)
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{
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foreach (var item in lstShapes)
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{
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item.Draw(g, matrix); // 绘图每一个
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}
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}
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}
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/// <summary>
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/// 这个返回偏移和放大后的矩阵
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/// </summary>
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/// <returns></returns>
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public Matrix GetMatrix()
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{
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return pointTransform.GetMatrix();
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}
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/// <summary>
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/// 这个主要是用来初始化的，高精度的
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/// </summary>
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/// <param name="g"></param>
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private void initGraphics(Graphics g)
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{
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g.SmoothingMode = SmoothingMode.HighQuality; // 高质量
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g.PixelOffsetMode = PixelOffsetMode.HighQuality; // 指定高质量、低速度呈现。
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g.PageUnit = GraphicsUnit.Millimeter; //将毫米设置为度量单位
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}
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/// <summary>
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/// 鼠标单机选择一个形状
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/// </summary>
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/// <param name="pointF"></param>
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/// <returns></returns>
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public ShapeEle getSelectShape(PointF pointF)
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{
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if (lstShapes != null && lstShapes.Count > 0)
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{
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foreach (var shape in lstShapes)
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{
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if (shape.IsFill)
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{
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if (shape.isVisible(pointTransform.GetMatrix(), pointF))
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{
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return shape;
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}
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}
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else
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{
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if (shape.isOutlineVisible(pointTransform.GetMatrix(), pointF))
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{
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return shape;
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}
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}
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}
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}
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return null;
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}
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/// <summary>
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/// 选择矩形框内的形状
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/// </summary>
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/// <param name="rect"></param>
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/// <returns></returns>
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public List<ShapeEle> getSelectShapes(RectangleF rect)
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{
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var matrix = pointTransform.GetMatrix();
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if (lstShapes!= null && lstShapes.Count > 0)
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{
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return lstShapes.Where(x => x.isBeContains(matrix, rect)).ToList();
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}
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return null;
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}
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public int getNextId()
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{
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// 首先取得所有的id
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var ids = getIds(this.lstShapes);
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if (ids.Count == 0)
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{
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return 1;
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}
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int i = ids.Max() + 1;
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while (ids.Contains(i))
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{
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i++; // 不重复的，
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}
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return i; // 这里简单一点。
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}
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/// <summary>
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/// 取得所有的id
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/// </summary>
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/// <param name="shapeeles"></param>
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/// <returns></returns>
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private List<int>getIds(List<ShapeEle> shapeeles)
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{
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List<int> ids = shapeeles.Where(x => !(x is ShapeGroup)).Select(x => x.ID).ToList();
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foreach (var item in shapeeles.Where(x => x is ShapeGroup))
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{
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ids.AddRange(getIds(((ShapeGroup)item).shapes));
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}
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return ids;
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}
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/// <summary>
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/// 根据某个id取得相应的形状。
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/// </summary>
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/// <param name="id"></param>
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/// <returns></returns>
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public ShapeEle getShape(int id)
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{
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return getShape(lstShapes, id);
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}
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private ShapeEle getShape(List<ShapeEle> shapeeles, int id)
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{
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if (shapeeles!=null)
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{
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foreach (var item in shapeeles)
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{
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if (item.ID == id)
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{
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return item;
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}
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if (item is ShapeGroup) // 如果是群组
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{
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var tmp = getShape(((ShapeGroup)item).shapes,id);
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if (tmp != null) return tmp;
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}
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}
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}
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return null;
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}
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/// <summary>
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/// 将这个id的形状替换了。
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/// </summary>
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/// <param name="id"></param>
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/// <param name="shape"></param>
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public void replaceShape(int id, ShapeEle shape)
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{
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replaceShape(lstShapes, id, shape);
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}
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private void replaceShape(List<ShapeEle> shapeeles, int id, ShapeEle shape)
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{
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// 遍历所有的形状
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for (int i = 0; i < shapeeles.Count; i++)
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{
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if (shapeeles[i] is ShapeGroup)
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{
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replaceShape(((ShapeGroup)shapeeles[i]).shapes, id, shape);
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}
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if (shapeeles[i].ID == id)
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{
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// 找到了
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shapeeles.RemoveAt(i);
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shapeeles.Insert(i, shape);
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return;
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}
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}
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}
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/// <summary>
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/// 这个是缩放到指定的大小。
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/// </summary>
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/// <param name="dpix"></param>
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/// <param name="dpiy"></param>
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/// <param name="width">像素宽度</param>
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/// <param name="height">像素高度</param>
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/// <param name="spacing">像素间距</param>
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public void zoomTo(float dpix, float dpiy, float width, float height, float spacing)
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{
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// 然后计算放大
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var width2 = (width - spacing * 2) / dpix * 25.4; // 转成mm
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var height2 = (height - spacing * 2) / dpiy * 25.4; // 转成mm
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// 然后计算所有图形的的宽度和高度
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ShapeGroup group = new ShapeGroup();
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group.shapes = lstShapes.Select(x => x).ToList();// 这里用复制的方式
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// 这里要判断是否有纸张
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if (this.Paper != null && this.Paper.ModelShape != null)
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{
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group.shapes.Add(this.Paper.ModelShape);
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}
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// 如果没有图形，就直接退出
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if (group.shapes.Count == 0) return;
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//
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var rect = group.GetBounds(new Matrix());// 取得不存在放大偏移的情况下，这个的尺寸
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// 这里解方程，思路是，画布的宽度=倍数*（形状总宽度+两边间距的宽度）
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//width/dpix*25.4 = zoom * (rect.Width + spacing*2/dpix*25.4 /zoom)
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// width/dpix*25.4 = zoom * (rect.Width + spacing*2/dpix*25.4
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var scale1 = (width / dpix * 25.4f - spacing * 2 / dpix * 25.4f) / rect.Width;
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var scale2 = (height / dpiy * 25.4f - spacing * 2 / dpiy * 25.4f) / rect.Height;
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// 取得较小值
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this.pointTransform.Zoom = scale1 < scale2 ? scale1 : scale2; // 取得较小值。
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// 然后这里有一个偏移，要算正负两个方向的偏移，要流出两边的spacing，主要留出左边和上边就可以了。
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this.pointTransform.OffsetX = - rect.X + spacing / dpix * 25.4f ;
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this.pointTransform.OffsetY = - rect.Y + spacing / dpix * 25.4f ;
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}
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/// <summary>
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/// 深度复制一个
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/// </summary>
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/// <returns></returns>
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public Shapes DeepClone()
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{
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//这里用json的方式
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JsonSerialize jsonSerialize = new JsonSerialize();
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string json = jsonSerialize.SerializeObject(this);
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// 可能原因是存在自定义对象的集合，所以这里要用复杂的方式去做
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return jsonSerialize.DeserializeObject<Shapes>(json);
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}
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#endregion
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}
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}
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