Section:

Convert CAD to PDF - CAD2PDF - C++ Sample Code

Requirements
View Demo
Server SDK
Package: CAD Conversion
Module: CAD

Sample code demonstrates how to use the Apryse CAD module for direct, high-quality conversion from DWG, DXF, DGN, DWF, and RVT to PDF. Samples provided in Python, C++, C#, Java, Node.js (JavaScript), PHP, Ruby, Go and VB.

To convert CAD to PDF with Apryse SDK with this sample, you will need:

  1. Get started with Server SDK in your language/framework
  2. Download the CAD Module
  3. Add the sample code provided below

To use this feature in production, your license key will need the CAD Conversion Package. Trial keys already include all packages.

Learn more about our Server SDK and PDF Conversion Library.

1//---------------------------------------------------------------------------------------
2// Copyright (c) 2001-2024 by Apryse Software Inc. All Rights Reserved.
3// Consult legal.txt regarding legal and license information.
4//---------------------------------------------------------------------------------------
5
6#include <PDF/PDFNet.h>
7#include <PDF/PDFDoc.h>
8#include <PDF/Convert.h>
9#include <PDF/CADModule.h>
10#include <PDF/CADConvertOptions.h>
11#include <string>
12#include <iostream>
13#include <stdio.h>
14#include "../../LicenseKey/CPP/LicenseKey.h"
15
16using namespace pdftron;
17using namespace pdftron::SDF;
18using namespace PDF;
19using namespace std;
20
21
22//---------------------------------------------------------------------------------------
23// The following sample illustrates how to convert CAD documents to PDF format 
24// 
25// The CAD module is an optional PDFNet Add-on that can be used to convert CAD
26// documents into PDF documents
27//
28// The Apryse SDK CAD module can be downloaded from http://www.pdftron.com/
29//---------------------------------------------------------------------------------------
30
31UString inputPath("../../TestFiles/CAD/");
32UString outputPath("../../TestFiles/Output/");
33
34bool IsRVTFile(UString inputFile)
35{
36	bool rvt_input = false;
37	if (inputFile.GetLength() > 2)
38	{
39		if (inputFile.SubStr(inputFile.GetLength() - 3, 3) == "rvt")
40		{
41			rvt_input = true;
42		}
43	}
44	return rvt_input;
45}
46
47int main(int argc, char *argv[])
48{
49	int ret = 0;
50	
51	try
52	{
53		// The first step in every application using PDFNet is to initialize the 
54		// library and set the path to common PDF resources. The library is usually 
55		// initialized only once, but calling Initialize() multiple times is also fine.
56		PDFNet::Initialize(LicenseKey);
57		PDFNet::AddResourceSearchPath("../../../Lib/");
58		if(!CADModule::IsModuleAvailable())
59		{
60			cout << endl;
61			cout << "Unable to run CAD2PDFTest: Apryse SDK CAD module not available." << endl;
62			cout << "---------------------------------------------------------------" << endl;
63			cout << "The CAD module is an optional add-on, available for download" << endl;
64			cout << "at http://www.pdftron.com/. If you have already downloaded this" << endl;
65			cout << "module, ensure that the SDK is able to find the required files" << endl;
66			cout << "using the PDFNet::AddResourceSearchPath() function." << endl << endl;
67			return 0;
68		}
69
70		typedef struct
71		{
72			UString inputFile, outputFile;
73		} TestFile;
74		
75		UString inputFileName, outputFileName;
76		if (argv[1])
77		{
78			inputFileName = argv[1];
79		}
80		else
81		{
82			inputFileName = "construction drawings color-28.05.18.dwg";
83		}
84		outputFileName = inputFileName + ".pdf";
85		
86		TestFile testFiles[] =
87		{
88			{ inputFileName,	outputFileName},
89		};
90
91		unsigned int ceTestFiles = sizeof(testFiles) / sizeof(TestFile);
92		for (unsigned int i = 0; i < ceTestFiles; i++)
93		{
94
95			// Convert the rest of the samples
96			if (IsRVTFile(testFiles[i].inputFile))
97			{
98				try
99				{
100					PDFDoc pdfdoc;
101					// Convert rvt file with some user options
102					CADConvertOptions opts;
103					opts.SetPageWidth(800);
104					opts.SetPageHeight(600);
105					opts.SetRasterDPI(150);
106
107					Convert::FromCAD(pdfdoc, inputPath + testFiles[i].inputFile, &opts);
108					pdfdoc.Save(outputPath + testFiles[i].outputFile, SDF::SDFDoc::e_linearized, NULL);
109				}
110				catch (Common::Exception& e)
111				{
112					cout << "Unable to convert file " << testFiles[i].inputFile << endl;
113					cout << e << endl;
114					ret = 1;
115				}
116				catch (...)
117				{
118					cout << "Unknown Exception" << endl;
119					ret = 1;
120				}
121			}
122			else
123			{
124				try
125				{
126					PDFDoc pdfdoc;
127					Convert::FromCAD(pdfdoc, inputPath + testFiles[i].inputFile, NULL);
128					pdfdoc.Save(outputPath + testFiles[i].outputFile, SDF::SDFDoc::e_linearized, NULL);
129				}
130				catch (Common::Exception& e)
131				{
132					cout << "Unable to convert file " << testFiles[i].inputFile << endl;
133					cout << e << endl;
134					ret = 1;
135				}
136				catch (...)
137				{
138					cout << "Unknown Exception" << endl;
139					ret = 1;
140				}
141			}
142		}
143
144	}
145	catch (Common::Exception& e)
146	{
147		cout << e << endl;
148		ret = 1;
149	}
150	catch (...)
151	{
152		cout << "Unknown Exception" << endl;
153		ret = 1;
154	}
155	PDFNet::Terminate();
156	return ret;
157}

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