18274536123

Committed 06 Oct 2025 08:19AM UTC coverage: 78.371% (+0.4%) from 77.996%

Build # 18274536123

Build Type

Pull #774

github

Committed by

web-flow

Commit Message

Merge 14beb659f into f6528e6f8

Pull Request Pull Request #774: patterns def

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6855 of 9497 branches covered (72.18%)

Branch coverage included in aggregate %.

163 of 214 new or added lines in 8 files covered. (76.17%)

6 existing lines in 1 file now uncovered.

26386 of 32918 relevant lines covered (80.16%)

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84.31

/src/ACadSharp/Entities/HatchPattern.cs

﻿using ACadSharp.Attributes;
using CSMath;
using CSUtilities.Extensions;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;

namespace ACadSharp.Entities
{
        public partial class HatchPattern
        {
                public static HatchPattern Solid { get { return new HatchPattern("SOLID"); } }

                [DxfCodeValue(2)]
                public string Name { get; set; }

                /// <summary>
                /// Description for this pattern.
                /// </summary>
                /// <remarks>
                /// The description is not saved in dxf or dwg files, its only used in the .pat files.
                /// </remarks>
                public string Description { get; set; }

                [DxfCodeValue(DxfReferenceType.Count, 79)]
                public List<Line> Lines { get; set; } = new List<Line>();

                /// <summary>
                /// Default constructor of a hatch pattern.
                /// </summary>
                /// <param name="name"></param>
                public HatchPattern(string name)
                {
                        this.Name = name;
                }

                /// <summary>
                /// Update the pattern geometry with a translation, rotation and scale.
                /// </summary>
                /// <param name="translation"></param>
                /// <param name="rotation"></param>
                /// <param name="scale"></param>
                public void Update(XY translation, double rotation, double scale)
                {
                        var tr = Transform.CreateTranslation(translation.Convert<XYZ>());
                        var sc = Transform.CreateScaling(new XYZ(scale));
                        var rot = Transform.CreateRotation(XYZ.AxisZ, rotation);

                        var transform = new Transform(tr.Matrix * sc.Matrix * rot.Matrix);

                        foreach (var line in Lines)
                        {
                                line.Angle += rotation;
                                line.BasePoint = transform.ApplyTransform(line.BasePoint.Convert<XYZ>()).Convert<XY>();
                                line.Offset = transform.ApplyTransform(line.Offset.Convert<XYZ>()).Convert<XY>();
                                line.DashLengths = line.DashLengths.Select(d => d * scale).ToList();
                        }
                }

                [Obsolete("No real use for it")]
                public BoundingBox GetBoundingBox()
                {
                        BoundingBox box = BoundingBox.Null;

                        foreach (var item in this.Lines)
                        {
                                var length = item.Offset.GetLength();

                                //Direction of the line
                                double x = MathHelper.Cos(item.Angle) * length;
                                double y = MathHelper.Sin(item.Angle) * length;

                                box = box.Merge(new BoundingBox(
                                        XYZ.Zero,
                                        new XYZ(x, y, 0)));
                        }

                        return box;
                }

                /// <summary>
                /// Clones the current pattern.
                /// </summary>
                /// <returns></returns>
                public HatchPattern Clone()
                {
                        HatchPattern clone = (HatchPattern)this.MemberwiseClone();

                        clone.Lines = new List<Line>();
                        foreach (var item in this.Lines)
                        {
                                clone.Lines.Add(item.Clone());
                        }

                        return clone;
                }

                /// <inheritdoc/>
                public override string ToString()
                {
                        return $"{this.Name}";
                }

                /// <summary>
                /// Load a collection of patterns from a .pat file.
                /// </summary>
                /// <param name="path"></param>
                /// <returns></returns>
                public static IEnumerable<HatchPattern> LoadFrom(string path)
                {
                        List<HatchPattern> patterns = new List<HatchPattern>();
                        HatchPattern current = null;

                        var lines = File.ReadLines(path)
                                .Select(line => line.Trim())
                                .Where(line => !string.IsNullOrWhiteSpace(line) && !line.StartsWith(";"))
                                .ToQueue();

                        List<int> leadingIndices = lines.Select((line, i) => (line, i))
                                .Where(t => t.line.StartsWith("*"))
                                .Select(t => t.i)
                                .OrderBy(i => i).ToList();

                        leadingIndices.Add(lines.Count);

                        while (lines.TryDequeue(out string line))
                        {
                                if (line.StartsWith("*"))
                                {
                                        int index = line.IndexOf(',');
                                        string noPrefix = line.Remove(0, 1);
                                        current = new HatchPattern(noPrefix.Substring(0, index - 1));
                                        current.Description = new string(noPrefix.Skip(index).ToArray()).Trim();

                                        patterns.Add(current);
                                }
                                else
                                {
                                        //;angle, x, y, shift, offset, [dash, space, ...]
                                        string[] data = line.Split(',');
                                        Line l = new Line();
                                        //angle
                                        l.Angle = MathHelper.DegToRad(double.Parse(data[0], CultureInfo.InvariantCulture));
                                        //x, y
                                        l.BasePoint = new XY(double.Parse(data[1], CultureInfo.InvariantCulture), double.Parse(data[2], CultureInfo.InvariantCulture));

                                        double shift = double.Parse(data[3], CultureInfo.InvariantCulture);
                                        double offset = double.Parse(data[4], CultureInfo.InvariantCulture);
                                        XY dir = new XY(shift, offset);
                                        double cos = Math.Cos(l.Angle);
                                        double sin = Math.Sin(l.Angle);
                                        l.Offset = new XY(dir.X * cos - dir.Y * sin, dir.X * sin + dir.Y * cos);

                                        IEnumerable<string> dashes = data.Skip(5);
                                        if (dashes.Any())
                                        {
                                                l.DashLengths.AddRange(dashes.Select(d => double.Parse(d, CultureInfo.InvariantCulture)));
                                        }

                                        current.Lines.Add(l);
                                }
                        }

                        return patterns;
                }

                /// <summary>
                /// Write a pattern or a collection of patterns into a .pat file.
                /// </summary>
                /// <param name="filename"></param>
                /// <param name="patterns"></param>
                public static void SavePatterns(string filename, params HatchPattern[] patterns)
                {
                        using StreamWriter writer = File.CreateText(filename);

                        foreach (HatchPattern p in patterns)
                        {
                                writer.Write($"*{p.Name}");

                                if (!p.Description.IsNullOrEmpty())
                                {
                                        writer.Write($",{p.Description}");
                                }

                                writer.WriteLine();

                                foreach (Line line in p.Lines)
                                {
                                        StringBuilder sb = new StringBuilder();

                                        double angle = MathHelper.DegToRad(line.Angle);
                                        double cos = Math.Cos(0.0 - line.Angle);
                                        double sin = Math.Sin(0.0 - line.Angle);

                                        var v = new XY(line.Offset.X * cos - line.Offset.Y * sin, line.Offset.X * sin + line.Offset.Y * cos);

                                        sb.Append(angle.ToString(CultureInfo.InvariantCulture));
                                        sb.Append(",");
                                        sb.Append(line.BasePoint.ToString(CultureInfo.InvariantCulture));
                                        sb.Append(",");
                                        sb.Append(v.ToString(CultureInfo.InvariantCulture));

                                        if (line.DashLengths.Count > 0)
                                        {
                                                sb.Append(",");
                                                sb.Append(line.DashLengths[0].ToString(CultureInfo.InvariantCulture));
                                                for (int i = 1; i < line.DashLengths.Count; i++)
                                                {
                                                        sb.Append(",");
                                                        sb.Append(line.DashLengths[i].ToString(CultureInfo.InvariantCulture));
                                                }
                                        }

                                        writer.WriteLine(sb.ToString());
                                }

                        }
                }
        }
}

1	using ACadSharp.Attributes;
2	using CSMath;
3	using CSUtilities.Extensions;
4	using System;
5	using System.Collections.Generic;
6	using System.Globalization;
7	using System.IO;
8	using System.Linq;
9	using System.Text;
10
11	namespace ACadSharp.Entities
12	{
13	public partial class HatchPattern
14	{
15	public static HatchPattern Solid { get { return new HatchPattern("SOLID"); } }	8,877✔
16
17	[DxfCodeValue(2)]
18	public string Name { get; set; }	8,182✔
19
20	/// <summary>
21	/// Description for this pattern.
22	/// </summary>
23	/// <remarks>
24	/// The description is not saved in dxf or dwg files, its only used in the .pat files.
25	/// </remarks>
26	public string Description { get; set; }	87✔
27
28	[DxfCodeValue(DxfReferenceType.Count, 79)]
29	public List<Line> Lines { get; set; } = new List<Line>();	205,015✔
30
31	/// <summary>
32	/// Default constructor of a hatch pattern.
33	/// </summary>
34	/// <param name="name"></param>
35	public HatchPattern(string name)	4,123✔
36	{	4,123✔
37	this.Name = name;	4,123✔
38	}	4,123✔
39
40	/// <summary>
41	/// Update the pattern geometry with a translation, rotation and scale.
42	/// </summary>
43	/// <param name="translation"></param>
44	/// <param name="rotation"></param>
45	/// <param name="scale"></param>
46	public void Update(XY translation, double rotation, double scale)
47	{	4,370✔
48	var tr = Transform.CreateTranslation(translation.Convert<XYZ>());	4,370✔
49	var sc = Transform.CreateScaling(new XYZ(scale));	4,370✔
50	var rot = Transform.CreateRotation(XYZ.AxisZ, rotation);	4,370✔
51
52	var transform = new Transform(tr.Matrix * sc.Matrix * rot.Matrix);	4,370✔
53
54	foreach (var line in Lines)	13,114✔
55	{	2✔
56	line.Angle += rotation;	2✔
57	line.BasePoint = transform.ApplyTransform(line.BasePoint.Convert<XYZ>()).Convert<XY>();	2✔
58	line.Offset = transform.ApplyTransform(line.Offset.Convert<XYZ>()).Convert<XY>();	2✔
59	line.DashLengths = line.DashLengths.Select(d => d * scale).ToList();	6✔
60	}	2✔
61	}	4,370✔
62
63	[Obsolete("No real use for it")]
64	public BoundingBox GetBoundingBox()
NEW 65	{	×
NEW 66	BoundingBox box = BoundingBox.Null;	×
67
NEW 68	foreach (var item in this.Lines)	×
NEW 69	{	×
NEW 70	var length = item.Offset.GetLength();	×
71
72	//Direction of the line
NEW 73	double x = MathHelper.Cos(item.Angle) * length;	×
NEW 74	double y = MathHelper.Sin(item.Angle) * length;	×
75
NEW 76	box = box.Merge(new BoundingBox(	×
NEW 77	XYZ.Zero,	×
NEW 78	new XYZ(x, y, 0)));	×
NEW 79	}	×
80
NEW 81	return box;	×
NEW 82	}	×
83
84	/// <summary>
85	/// Clones the current pattern.
86	/// </summary>
87	/// <returns></returns>
88	public HatchPattern Clone()
89	{	3✔
90	HatchPattern clone = (HatchPattern)this.MemberwiseClone();	3✔
91
92	clone.Lines = new List<Line>();	3✔
93	foreach (var item in this.Lines)	9!
94	{	×
95	clone.Lines.Add(item.Clone());	×
96	}	×
97
98	return clone;	3✔
99	}	3✔
100
101	/// <inheritdoc/>
102	public override string ToString()
103	{	×
104	return $"{this.Name}";	×
105	}	×
106
107	/// <summary>
108	/// Load a collection of patterns from a .pat file.
109	/// </summary>
110	/// <param name="path"></param>
111	/// <returns></returns>
112	public static IEnumerable<HatchPattern> LoadFrom(string path)
113	{	24✔
114	List<HatchPattern> patterns = new List<HatchPattern>();	24✔
115	HatchPattern current = null;	24✔
116
117	var lines = File.ReadLines(path)	24✔
118	.Select(line => line.Trim())	9,202✔
119	.Where(line => !string.IsNullOrWhiteSpace(line) && !line.StartsWith(";"))	9,202✔
120	.ToQueue();	24✔
121
122	List<int> leadingIndices = lines.Select((line, i) => (line, i))	9,222✔
123	.Where(t => t.line.StartsWith("*"))	9,198✔
124	.Select(t => t.i)	84✔
125	.OrderBy(i => i).ToList();	104✔
126
127	leadingIndices.Add(lines.Count);	24✔
128
129	while (lines.TryDequeue(out string line))	9,222✔
130	{	9,198✔
131	if (line.StartsWith("*"))	9,198✔
132	{	84✔
133	int index = line.IndexOf(',');	84✔
134	string noPrefix = line.Remove(0, 1);	84✔
135	current = new HatchPattern(noPrefix.Substring(0, index - 1));	84✔
136	current.Description = new string(noPrefix.Skip(index).ToArray()).Trim();	84✔
137
138	patterns.Add(current);	84✔
139	}	84✔
140	else
141	{	9,114✔
142	//;angle, x, y, shift, offset, [dash, space, ...]
143	string[] data = line.Split(',');	9,114✔
144	Line l = new Line();	9,114✔
145	//angle
146	l.Angle = MathHelper.DegToRad(double.Parse(data[0], CultureInfo.InvariantCulture));	9,114✔
147	//x, y
148	l.BasePoint = new XY(double.Parse(data[1], CultureInfo.InvariantCulture), double.Parse(data[2], CultureInfo.InvariantCulture));	9,114✔
149
150	double shift = double.Parse(data[3], CultureInfo.InvariantCulture);	9,114✔
151	double offset = double.Parse(data[4], CultureInfo.InvariantCulture);	9,114✔
152	XY dir = new XY(shift, offset);	9,114✔
153	double cos = Math.Cos(l.Angle);	9,114✔
154	double sin = Math.Sin(l.Angle);	9,114✔
155	l.Offset = new XY(dir.X * cos - dir.Y * sin, dir.X * sin + dir.Y * cos);	9,114✔
156
157	IEnumerable<string> dashes = data.Skip(5);	9,114✔
158	if (dashes.Any())	9,114✔
159	{	9,114✔
160	l.DashLengths.AddRange(dashes.Select(d => double.Parse(d, CultureInfo.InvariantCulture)));	27,342✔
161	}	9,114✔
162
163	current.Lines.Add(l);	9,114✔
164	}	9,114✔
165	}	9,198✔
166
167	return patterns;	24✔
168	}	24✔
169
170	/// <summary>
171	/// Write a pattern or a collection of patterns into a .pat file.
172	/// </summary>
173	/// <param name="filename"></param>
174	/// <param name="patterns"></param>
175	public static void SavePatterns(string filename, params HatchPattern[] patterns)
176	{	1✔
177	using StreamWriter writer = File.CreateText(filename);	1✔
178
179	foreach (HatchPattern p in patterns)	5✔
180	{	1✔
181	writer.Write($"*{p.Name}");	1✔
182
183	if (!p.Description.IsNullOrEmpty())	1✔
184	{	1✔
185	writer.Write($",{p.Description}");	1✔
186	}	1✔
187
188	writer.WriteLine();	1✔
189
190	foreach (Line line in p.Lines)	7✔
191	{	2✔
192	StringBuilder sb = new StringBuilder();	2✔
193
194	double angle = MathHelper.DegToRad(line.Angle);	2✔
195	double cos = Math.Cos(0.0 - line.Angle);	2✔
196	double sin = Math.Sin(0.0 - line.Angle);	2✔
197
198	var v = new XY(line.Offset.X * cos - line.Offset.Y * sin, line.Offset.X * sin + line.Offset.Y * cos);	2✔
199
200	sb.Append(angle.ToString(CultureInfo.InvariantCulture));	2✔
201	sb.Append(",");	2✔
202	sb.Append(line.BasePoint.ToString(CultureInfo.InvariantCulture));	2✔
203	sb.Append(",");	2✔
204	sb.Append(v.ToString(CultureInfo.InvariantCulture));	2✔
205
206	if (line.DashLengths.Count > 0)	2✔
207	{	1✔
208	sb.Append(",");	1✔
209	sb.Append(line.DashLengths[0].ToString(CultureInfo.InvariantCulture));	1✔
210	for (int i = 1; i < line.DashLengths.Count; i++)	6✔
211	{	2✔
212	sb.Append(",");	2✔
213	sb.Append(line.DashLengths[i].ToString(CultureInfo.InvariantCulture));	2✔
214	}	2✔
215	}	1✔
216
217	writer.WriteLine(sb.ToString());	2✔
218	}	2✔
219
220	}	1✔
221	}	2✔
222	}
223	}

DomCR / ACadSharp / 18274536123

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