14305897173

Committed 07 Apr 2025 09:38AM UTC coverage: 2.035% (-73.9%) from 75.959%

Build # 14305897173

Build Type

push

github

Committed by

DomCR

Commit Message

version 0.1.0-beta

Run Details

125 of 8279 branches covered (1.51%)

Branch coverage included in aggregate %.

648 of 29704 relevant lines covered (2.18%)

4.64 hits per line

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0.0

/src/ACadSharp.Pdf/Core/PdfWriter.cs

﻿using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Text;

#if NETFRAMEWORK
using CSUtilities.Extensions;
#endif

namespace ACadSharp.Pdf.Core
{
        internal class PdfWriter : IDisposable
        {
                private int _currNumber = 1;
                private Encoding _encoding = Encoding.ASCII;
                private Stream _stream;
                private PdfDocument _document;
                private PdfConfiguration _configuration;

                private List<long> _xrefs = new();

                public PdfWriter(Stream stream, PdfDocument document, PdfConfiguration configuration)
                {
                        _stream = stream;
                        _document = document;
                        _configuration = configuration;
                }

                public void Write()
                {
                        this.assignIds();

                        this.writeLine("%PDF-1.5");
                        this.write(new byte[6] { 0x25, 0xA1, 0xD3, 0xF4, 0xCC, 0xA });

                        //Information
                        this.writePdfDictionary(_document.Information);

                        //Catalog
                        this.writePdfDictionary(_document.Catalog);

                        //Outlines (optional)

                        //Pages
                        this.writePdfDictionary(_document.Pages);
                        //Page
                        foreach (PdfPage item in this._document.Pages)
                        {
                                this.writePdfDictionary(item);
                                this.writePdfDictionary(item.Contents);
                        }

                        long xrefPos = this.writeXRef();

                        this.writeTrailer();

                        this.writeLine(PdfKey.StartXref);
                        this.writeLine(xrefPos.ToString(CultureInfo.InvariantCulture));
                        this.write("%%EOF");
                }

                /// <inheritdoc/>
                public void Dispose()
                {
                        this._stream.Dispose();
                }

                private void assignIds()
                {
                        this.assignId(this._document.Information);
                        this.assignId(this._document.Catalog);
                        this.assignId(this._document.Pages);
                }

                private void assignId(PdfItem item)
                {
                        item.SetId(ref this._currNumber);
                }

                private void writePdfDictionary(PdfDictionary dict)
                {
                        this._xrefs.Add(this._stream.Position);
                        this.write(dict.GetPdfForm(this._configuration));
                }

                private long writeXRef()
                {
                        long position = this._stream.Position;

                        this.writeLine("xref");
                        this.writeLine($"0 {this._currNumber}");
                        this.writeLine($"0000000000 65535 f");

                        foreach (var item in this._xrefs)
                        {
                                this.writeLine($"{item.ToString("0000000000", CultureInfo.InvariantCulture)} 00000 n");
                        }

                        return position;
                }

                private void writeTrailer()
                {
                        this.writeLine("trailer");
                        this.writeLine("<<");
                        this.writeLine($"/Size {this._currNumber}");
                        this.writeLine($"/Info {this._document.Information.Id} 0 R");
                        this.writeLine($"/Root {this._document.Catalog.Id} 0 R");
                        this.writeLine(">>");
                }

                private void write(byte[] bytes)
                {
                        _stream.Write(bytes);
                }

                private void write(string str)
                {
                        this.write(this._encoding.GetBytes(str));
                }

                private void writeLine(string str)
                {
                        this.write(str + "\n");
                }
        }
}

1	using System;
2	using System.Collections.Generic;
3	using System.Globalization;
4	using System.IO;
5	using System.Text;
6
7	#if NETFRAMEWORK
8	using CSUtilities.Extensions;
9	#endif
10
11	namespace ACadSharp.Pdf.Core
12	{
13	internal class PdfWriter : IDisposable
14	{
15	private int _currNumber = 1;	×
16	private Encoding _encoding = Encoding.ASCII;	×
17	private Stream _stream;
18	private PdfDocument _document;
19	private PdfConfiguration _configuration;
20
21	private List<long> _xrefs = new();	×
22
23	public PdfWriter(Stream stream, PdfDocument document, PdfConfiguration configuration)	×
24	{	×
25	_stream = stream;	×
26	_document = document;	×
27	_configuration = configuration;	×
28	}	×
29
30	public void Write()
31	{	×
32	this.assignIds();	×
33
34	this.writeLine("%PDF-1.5");	×
35	this.write(new byte[6] { 0x25, 0xA1, 0xD3, 0xF4, 0xCC, 0xA });	×
36
37	//Information
38	this.writePdfDictionary(_document.Information);	×
39
40	//Catalog
41	this.writePdfDictionary(_document.Catalog);	×
42
43	//Outlines (optional)
44
45	//Pages
46	this.writePdfDictionary(_document.Pages);	×
47	//Page
48	foreach (PdfPage item in this._document.Pages)	×
49	{	×
50	this.writePdfDictionary(item);	×
51	this.writePdfDictionary(item.Contents);	×
52	}	×
53
54	long xrefPos = this.writeXRef();	×
55
56	this.writeTrailer();	×
57
58	this.writeLine(PdfKey.StartXref);	×
59	this.writeLine(xrefPos.ToString(CultureInfo.InvariantCulture));	×
60	this.write("%%EOF");	×
61	}	×
62
63	/// <inheritdoc/>
64	public void Dispose()
65	{	×
66	this._stream.Dispose();	×
67	}	×
68
69	private void assignIds()
70	{	×
71	this.assignId(this._document.Information);	×
72	this.assignId(this._document.Catalog);	×
73	this.assignId(this._document.Pages);	×
74	}	×
75
76	private void assignId(PdfItem item)
77	{	×
78	item.SetId(ref this._currNumber);	×
79	}	×
80
81	private void writePdfDictionary(PdfDictionary dict)
82	{	×
83	this._xrefs.Add(this._stream.Position);	×
84	this.write(dict.GetPdfForm(this._configuration));	×
85	}	×
86
87	private long writeXRef()
88	{	×
89	long position = this._stream.Position;	×
90
91	this.writeLine("xref");	×
92	this.writeLine($"0 {this._currNumber}");	×
93	this.writeLine($"0000000000 65535 f");	×
94
95	foreach (var item in this._xrefs)	×
96	{	×
97	this.writeLine($"{item.ToString("0000000000", CultureInfo.InvariantCulture)} 00000 n");	×
98	}	×
99
100	return position;	×
101	}	×
102
103	private void writeTrailer()
104	{	×
105	this.writeLine("trailer");	×
106	this.writeLine("<<");	×
107	this.writeLine($"/Size {this._currNumber}");	×
108	this.writeLine($"/Info {this._document.Information.Id} 0 R");	×
109	this.writeLine($"/Root {this._document.Catalog.Id} 0 R");	×
110	this.writeLine(">>");	×
111	}	×
112
113	private void write(byte[] bytes)
114	{	×
115	_stream.Write(bytes);	×
116	}	×
117
118	private void write(string str)
119	{	×
120	this.write(this._encoding.GetBytes(str));	×
121	}	×
122
123	private void writeLine(string str)
124	{	×
125	this.write(str + "\n");	×
126	}	×
127	}
128	}

DomCR / ACadSharp.Pdf / 14305897173

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