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

Learn more about our Server SDK and PDF Conversion Library.
For a version of this in Node.js, including our WebViewer UI, check out the CAD Viewer Showcase Demo Code Sample

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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