Sample code for using Apryse SDK to programmatically merge forms data with the PDF in order to fill forms, or to extract form field data from the PDF. Apryse SDK has full support for Forms Data Format (FDF). Sample code provided in Python, C++, C#, Java, Node.js (JavaScript), PHP, Ruby and VB.
Learn more about our full PDF Data Extraction SDK Capabilities.
To start your free trial, get stated with Server SDK.
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/Field.h>
9#include <FDF/FDFDoc.h>
10#include <FDF/FDFField.h>
11#include <iostream>
12#include "../../LicenseKey/CPP/LicenseKey.h"
13
14using namespace std;
15using namespace pdftron;
16using namespace SDF;
17using namespace FDF;
18using namespace PDF;
19
20//---------------------------------------------------------------------------------------
21// PDFNet includes a full support for FDF (Forms Data Format) and capability to merge/extract
22// forms data (FDF) with/from PDF. This sample illustrates basic FDF merge/extract functionality
23// available in PDFNet.
24//---------------------------------------------------------------------------------------
25int main(int argc, char *argv[])
26{
27 int ret = 0;
28 PDFNet::Initialize(LicenseKey);
29
30 // Relative path to the folder containing test files.
31 string input_path = "../../TestFiles/";
32 string output_path = "../../TestFiles/Output/";
33
34
35 // Example 1)
36 // Iterate over all form fields in the document. Display all field names.
37 try
38 {
39 PDFDoc doc((input_path + "form1.pdf").c_str());
40 doc.InitSecurityHandler();
41
42 for(FieldIterator itr = doc.GetFieldIterator(); itr.HasNext(); itr.Next())
43 {
44 cout << "Field name: " << itr.Current().GetName() << endl;
45 cout << "Field partial name: " << itr.Current().GetPartialName() << endl;
46
47 cout << "Field type: ";
48 Field::Type type = itr.Current().GetType();
49 switch(type)
50 {
51 case Field::e_button: cout << "Button" << endl; break;
52 case Field::e_check: cout << "Check" << endl; break;
53 case Field::e_radio: cout << "Radio" << endl; break;
54 case Field::e_text: cout << "Text" << endl; break;
55 case Field::e_choice: cout << "Choice" << endl; break;
56 case Field::e_signature: cout << "Signature" << endl; break;
57 case Field::e_null: cout << "Null" << endl; break;
58 }
59
60 cout << "------------------------------" << endl;
61 }
62
63 cout << "Done." << endl;
64 }
65 catch(Common::Exception& e)
66 {
67 cout << e << endl;
68 ret = 1;
69 }
70 catch(...)
71 {
72 cout << "Unknown Exception" << endl;
73 ret = 1;
74 }
75
76
77 // Example 2) Import XFDF into FDF, then merge data from FDF into PDF
78 try
79 {
80 // XFDF to FDF
81 // form fields
82 cout << "Import form field data from XFDF to FDF." << endl;
83
84 FDFDoc fdf_doc1(FDFDoc::CreateFromXFDF((input_path + "form1_data.xfdf").c_str()));
85 fdf_doc1.Save((output_path + "form1_data.fdf").c_str());
86
87 // annotations
88 cout << "Import annotations from XFDF to FDF." << endl;
89
90 FDFDoc fdf_doc2(FDFDoc::CreateFromXFDF((input_path + "form1_annots.xfdf").c_str()));
91 fdf_doc2.Save((output_path + "form1_annots.fdf").c_str());
92
93 // FDF to PDF
94 // form fields
95 cout << "Merge form field data from FDF." << endl;
96
97 PDFDoc doc((input_path + "form1.pdf").c_str());
98 doc.InitSecurityHandler();
99 doc.FDFMerge(fdf_doc1);
100
101 // Refreshing missing appearances is not required here, but is recommended to make them
102 // visible in PDF viewers with incomplete annotation viewing support. (such as Chrome)
103 doc.RefreshAnnotAppearances();
104
105 doc.Save((output_path + "form1_filled.pdf").c_str(), SDFDoc::e_linearized, 0);
106
107 // annotations
108 cout << "Merge annotations from FDF." << endl;
109
110 doc.FDFMerge(fdf_doc2);
111 // Refreshing missing appearances is not required here, but is recommended to make them
112 // visible in PDF viewers with incomplete annotation viewing support. (such as Chrome)
113 doc.RefreshAnnotAppearances();
114 doc.Save((output_path + "form1_filled_with_annots.pdf").c_str(), SDFDoc::e_linearized, 0);
115 cout << "Done." << endl;
116 }
117 catch (Common::Exception& e)
118 {
119 cout << e << endl;
120 ret = 1;
121 }
122 catch (...)
123 {
124 cout << "Unknown Exception" << endl;
125 ret = 1;
126 }
127
128
129 // Example 3) Extract data from PDF to FDF, then export FDF as XFDF
130 try
131 {
132 // PDF to FDF
133 PDFDoc in_doc((output_path + "form1_filled_with_annots.pdf").c_str());
134 in_doc.InitSecurityHandler();
135
136 // form fields only
137 cout << "Extract form fields data to FDF." << endl;
138
139 FDFDoc doc_fields = in_doc.FDFExtract(PDFDoc::e_forms_only);
140 doc_fields.SetPDFFileName("../form1_filled_with_annots.pdf");
141 doc_fields.Save((output_path + "form1_filled_data.fdf").c_str());
142
143 // annotations only
144 cout << "Extract annotations to FDF." << endl;
145
146 FDFDoc doc_annots = in_doc.FDFExtract(PDFDoc::e_annots_only);
147 doc_annots.SetPDFFileName("../form1_filled_with_annots.pdf");
148 doc_annots.Save((output_path + "form1_filled_annot.fdf").c_str());
149
150 // both form fields and annotations
151 cout << "Extract both form fields and annotations to FDF." << endl;
152
153 FDFDoc doc_both = in_doc.FDFExtract(PDFDoc::e_both);
154 doc_both.SetPDFFileName("../form1_filled_with_annots.pdf");
155 doc_both.Save((output_path + "form1_filled_both.fdf").c_str());
156
157 // FDF to XFDF
158 // form fields
159 cout << "Export form field data from FDF to XFDF." << endl;
160
161 doc_fields.SaveAsXFDF((output_path + "form1_filled_data.xfdf").c_str());
162
163 // annotations
164 cout << "Export annotations from FDF to XFDF." << endl;
165
166 doc_annots.SaveAsXFDF((output_path + "form1_filled_annot.xfdf").c_str());
167
168 // both form fields and annotations
169 cout << "Export both form fields and annotations from FDF to XFDF." << endl;
170
171 doc_both.SaveAsXFDF((output_path + "form1_filled_both.xfdf").c_str());
172
173 cout << "Done." << endl;
174 }
175 catch(Common::Exception& e)
176 {
177 cout << e << endl;
178 ret = 1;
179 }
180 catch(...)
181 {
182 cout << "Unknown Exception" << endl;
183 ret = 1;
184 }
185
186 // Example 4) Merge/Extract XFDF into/from PDF
187 try
188 {
189 // Merge XFDF from string
190 PDFDoc in_doc((input_path + "numbered.pdf").c_str());
191 in_doc.InitSecurityHandler();
192
193 cout << "Merge XFDF string into PDF." << endl;
194
195 string str = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?><xfdf xmlns=\"http://ns.adobe.com/xfdf\" xml:space=\"preserve\"><square subject=\"Rectangle\" page=\"0\" name=\"cf4d2e58-e9c5-2a58-5b4d-9b4b1a330e45\" title=\"user\" creationdate=\"D:20120827112326-07'00'\" date=\"D:20120827112326-07'00'\" rect=\"227.7814207650273,597.6174863387978,437.07103825136608,705.0491803278688\" color=\"#000000\" interior-color=\"#FFFF00\" flags=\"print\" width=\"1\"><popup flags=\"print,nozoom,norotate\" open=\"no\" page=\"0\" rect=\"0,792,0,792\" /></square></xfdf>";
196
197 FDFDoc fdoc(FDFDoc::CreateFromXFDF(str));
198 in_doc.FDFMerge(fdoc);
199 in_doc.Save((output_path + "numbered_modified.pdf").c_str(), SDFDoc::e_linearized, 0);
200 cout << "Merge complete." << endl;
201
202 // Extract XFDF as string
203 cout << "Extract XFDF as a string." << endl;
204
205 FDFDoc fdoc_new = in_doc.FDFExtract(PDFDoc::e_both);
206 UString XFDF_str = fdoc_new.SaveAsXFDF();
207 cout << "Extracted XFDF: " << endl;
208 cout << XFDF_str << endl;
209 cout << "Extract complete." << endl;
210 }
211 catch(Common::Exception& e)
212 {
213 cout << e << endl;
214 ret = 1;
215 }
216 catch(...)
217 {
218 cout << "Unknown Exception" << endl;
219 ret = 1;
220 }
221
222 // Example 5) Read FDF files directly
223 try
224 {
225 FDFDoc doc((output_path + "form1_filled_data.fdf").c_str());
226
227 for(FDFFieldIterator itr = doc.GetFieldIterator(); itr.HasNext(); itr.Next())
228 {
229 cout << "Field name: " << itr.Current().GetName() << endl;
230 cout << "Field partial name: " << itr.Current().GetPartialName() << endl;
231
232 cout << "------------------------------" << endl;
233 }
234
235 cout << "Done." << endl;
236 }
237 catch(Common::Exception& e)
238 {
239 cout << e << endl;
240 ret = 1;
241 }
242 catch(...)
243 {
244 cout << "Unknown Exception" << endl;
245 ret = 1;
246 }
247
248 // Example 6) Direct generation of FDF.
249 try
250 {
251 FDFDoc doc;
252 // Create new fields (i.e. key/value pairs).
253 doc.FieldCreate("Company", PDF::Field::e_text, "PDFTron Systems");
254 doc.FieldCreate("First Name", PDF::Field::e_text, "John");
255 doc.FieldCreate("Last Name", PDF::Field::e_text, "Doe");
256 // ...
257
258 // doc.SetPdfFileName("mydoc.pdf");
259
260 doc.Save((output_path + "sample_output.fdf").c_str());
261 cout << "Done. Results saved in sample_output.fdf" << endl;
262 }
263 catch(Common::Exception& e)
264 {
265 cout << e << endl;
266 ret = 1;
267 }
268 catch(...)
269 {
270 cout << "Unknown Exception" << endl;
271 ret = 1;
272 }
273
274 PDFNet::Terminate();
275 return ret;
276}
1//
2// Copyright (c) 2001-2024 by Apryse Software Inc. All Rights Reserved.
3//
4
5using System;
6using pdftron;
7using pdftron.Common;
8using pdftron.Filters;
9using pdftron.SDF;
10using pdftron.PDF;
11using pdftron.FDF;
12
13namespace FDFTestCS
14{
15 /// <summary>
16 /// PDFNet includes full support for FDF (Forms Data Format) and for merging/extracting
17 /// forms data (FDF) with/from PDF. This sample illustrates basic FDF merge/extract functionality
18 /// available in PDFNet.
19 /// </summary>
20 class Class1
21 {
22 private static pdftron.PDFNetLoader pdfNetLoader = pdftron.PDFNetLoader.Instance();
23 static Class1() {}
24
25 /// <summary>
26 /// The main entry point for the application.
27 /// </summary>
28 static void Main(string[] args)
29 {
30 PDFNet.Initialize(PDFTronLicense.Key);
31
32 // Relative path to the folder containing test files.
33 string input_path = "../../../../TestFiles/";
34 string output_path = "../../../../TestFiles/Output/";
35
36 // Example 1)
37 // Iterate over all form fields in the document. Display all field names.
38 try
39 {
40 using (PDFDoc doc = new PDFDoc(input_path + "form1.pdf"))
41 {
42 doc.InitSecurityHandler();
43
44 FieldIterator itr;
45 for(itr=doc.GetFieldIterator(); itr.HasNext(); itr.Next())
46 {
47 Console.WriteLine("Field name: {0:s}", itr.Current().GetName());
48 Console.WriteLine("Field partial name: {0:s}", itr.Current().GetPartialName());
49
50 Console.Write("Field type: ");
51 Field.Type type = itr.Current().GetType();
52 switch(type)
53 {
54 case Field.Type.e_button:
55 Console.WriteLine("Button"); break;
56 case Field.Type.e_check:
57 Console.WriteLine("Check"); break;
58 case Field.Type.e_radio:
59 Console.WriteLine("Radio"); break;
60 case Field.Type.e_text:
61 Console.WriteLine("Text"); break;
62 case Field.Type.e_choice:
63 Console.WriteLine("Choice"); break;
64 case Field.Type.e_signature:
65 Console.WriteLine("Signature"); break;
66 case Field.Type.e_null:
67 Console.WriteLine("Null"); break;
68 }
69
70 Console.WriteLine("------------------------------");
71 }
72
73 Console.WriteLine("Done.");
74 }
75 }
76 catch (PDFNetException e)
77 {
78 Console.WriteLine(e.Message);
79 }
80
81 // Example 2) Import XFDF into FDF, then merge data from FDF into PDF
82 try
83 {
84 // XFDF to FDF
85 // form fields
86 Console.WriteLine("Import form field data from XFDF to FDF.");
87
88 FDFDoc fdf_doc1 = new FDFDoc(FDFDoc.CreateFromXFDF(input_path + "form1_data.xfdf"));
89 fdf_doc1.Save(output_path + "form1_data.fdf");
90
91 // annotations
92 Console.WriteLine("Import annotations from XFDF to FDF.");
93
94 FDFDoc fdf_doc2 = new FDFDoc(FDFDoc.CreateFromXFDF(input_path + "form1_annots.xfdf"));
95 fdf_doc2.Save(output_path + "form1_annots.fdf");
96
97 // FDF to PDF
98 // form fields
99 Console.WriteLine("Merge form field data from FDF.");
100
101 using (PDFDoc doc = new PDFDoc(input_path + "form1.pdf"))
102 {
103 doc.InitSecurityHandler();
104 doc.FDFMerge(fdf_doc1);
105
106 // Refreshing missing appearances is not required here, but is recommended to make them
107 // visible in PDF viewers with incomplete annotation viewing support. (such as Chrome)
108 doc.RefreshAnnotAppearances();
109
110 doc.Save(output_path + "form1_filled.pdf", SDFDoc.SaveOptions.e_linearized);
111
112 // annotations
113 Console.WriteLine("Merge annotations from FDF.");
114
115 doc.FDFMerge(fdf_doc2);
116 // Refreshing missing appearances is not required here, but is recommended to make them
117 // visible in PDF viewers with incomplete annotation viewing support. (such as Chrome)
118 doc.RefreshAnnotAppearances();
119 doc.Save(output_path + "form1_filled_with_annots.pdf", SDFDoc.SaveOptions.e_linearized);
120
121 Console.WriteLine("Done.");
122 }
123 }
124 catch (PDFNetException e)
125 {
126 Console.WriteLine(e.Message);
127 }
128
129 // Example 3) Extract data from PDF to FDF, then export FDF as XFDF
130 try
131 {
132 // PDF to FDF
133 using (PDFDoc in_doc = new PDFDoc(output_path + "form1_filled_with_annots.pdf"))
134 {
135 in_doc.InitSecurityHandler();
136
137 // form fields only
138 Console.WriteLine("Extract form fields data to FDF.");
139
140 FDFDoc doc_fields = in_doc.FDFExtract(PDFDoc.ExtractFlag.e_forms_only);
141 doc_fields.SetPdfFileName("../form1_filled_with_annots.pdf");
142 doc_fields.Save(output_path + "form1_filled_data.fdf");
143
144 // annotations only
145 Console.WriteLine("Extract annotations to FDF.");
146
147 FDFDoc doc_annots = in_doc.FDFExtract(PDFDoc.ExtractFlag.e_annots_only);
148 doc_annots.SetPdfFileName("../form1_filled_with_annots.pdf");
149 doc_annots.Save(output_path + "form1_filled_annot.fdf");
150
151 // both form fields and annotations
152 Console.WriteLine("Extract both form fields and annotations to FDF.");
153
154 FDFDoc doc_both = in_doc.FDFExtract(PDFDoc.ExtractFlag.e_both);
155 doc_both.SetPdfFileName("../form1_filled_with_annots.pdf");
156 doc_both.Save(output_path + "form1_filled_both.fdf");
157
158 // FDF to XFDF
159 // form fields
160 Console.WriteLine("Export form field data from FDF to XFDF.");
161
162 doc_fields.SaveAsXFDF(output_path + "form1_filled_data.xfdf");
163
164 // annotations
165 Console.WriteLine("Export annotations from FDF to XFDF.");
166
167 doc_annots.SaveAsXFDF(output_path + "form1_filled_annot.xfdf");
168
169 // both form fields and annotations
170 Console.WriteLine("Export both form fields and annotations from FDF to XFDF.");
171
172 doc_both.SaveAsXFDF(output_path + "form1_filled_both.xfdf");
173
174 Console.WriteLine("Done.");
175 }
176 }
177 catch (PDFNetException e)
178 {
179 Console.WriteLine(e.Message);
180 }
181
182 // Example 4) Merge/Extract XFDF into/from PDF
183 try
184 {
185 // Merge XFDF from string
186 PDFDoc in_doc = new PDFDoc(input_path + "numbered.pdf");
187 {
188 in_doc.InitSecurityHandler();
189
190 Console.WriteLine("Merge XFDF string into PDF.");
191
192 string str = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?><xfdf xmlns=\"http://ns.adobe.com/xfdf\" xml:space=\"preserve\"><square subject=\"Rectangle\" page=\"0\" name=\"cf4d2e58-e9c5-2a58-5b4d-9b4b1a330e45\" title=\"user\" creationdate=\"D:20120827112326-07'00'\" date=\"D:20120827112326-07'00'\" rect=\"227.7814207650273,597.6174863387978,437.07103825136608,705.0491803278688\" color=\"#000000\" interior-color=\"#FFFF00\" flags=\"print\" width=\"1\"><popup flags=\"print,nozoom,norotate\" open=\"no\" page=\"0\" rect=\"0,792,0,792\" /></square></xfdf>";
193
194 using (FDFDoc fdoc = new FDFDoc(FDFDoc.CreateFromXFDF(str)))
195 {
196 in_doc.FDFMerge(fdoc);
197 in_doc.Save(output_path + "numbered_modified.pdf", SDFDoc.SaveOptions.e_linearized);
198 Console.WriteLine("Merge complete.");
199 }
200
201 // Extract XFDF as string
202 Console.WriteLine("Extract XFDF as a string.");
203 FDFDoc fdoc_new = in_doc.FDFExtract(PDFDoc.ExtractFlag.e_both);
204 string XFDF_str = fdoc_new.SaveAsXFDF();
205 Console.WriteLine("Extracted XFDF: ");
206 Console.WriteLine(XFDF_str);
207 Console.WriteLine("Extract complete.");
208 }
209 }
210 catch (PDFNetException e)
211 {
212 Console.WriteLine(e.Message);
213 }
214
215 // Example 5) Read FDF files directly
216 try
217 {
218 FDFDoc doc = new FDFDoc(output_path + "form1_filled_data.fdf");
219 FDFFieldIterator itr = doc.GetFieldIterator();
220 for(; itr.HasNext(); itr.Next())
221 {
222 Console.WriteLine("Field name: {0:s}", itr.Current().GetName());
223 Console.WriteLine("Field partial name: {0:s}", itr.Current().GetPartialName());
224 Console.WriteLine("------------------------------");
225 }
226
227 Console.WriteLine("Done.");
228 }
229 catch (PDFNetException e)
230 {
231 Console.WriteLine(e.Message);
232 }
233
234 // Example 6) Direct generation of FDF.
235 try
236 {
237 FDFDoc doc = new FDFDoc();
238
239 // Create new fields (i.e. key/value pairs).
240 doc.FieldCreate("Company", (int)Field.Type.e_text, "PDFTron Systems");
241 doc.FieldCreate("First Name", (int)Field.Type.e_text, "John");
242 doc.FieldCreate("Last Name", (int)Field.Type.e_text, "Doe");
243 // ...
244
245 // doc.SetPdfFileName("mydoc.pdf");
246 doc.Save(output_path + "sample_output.fdf");
247 Console.WriteLine("Done. Results saved in sample_output.fdf");
248 }
249 catch (PDFNetException e)
250 {
251 Console.WriteLine(e.Message);
252 }
253 PDFNet.Terminate();
254 }
255 }
256}
1//---------------------------------------------------------------------------------------
2// Copyright (c) 2001-2024 by Apryse Software Inc. All Rights Reserved.
3// Consult legal.txt regarding legal and license information.
4//---------------------------------------------------------------------------------------
5
6import com.pdftron.pdf.*;
7import com.pdftron.sdf.SDFDoc;
8import com.pdftron.fdf.*;
9
10
11//---------------------------------------------------------------------------------------
12// PDFNet includes a full support for FDF (Forms Data Format) and capability to merge/extract
13// forms data (FDF) with/from PDF. This sample illustrates basic FDF merge/extract functionality
14// available in PDFNet.
15//---------------------------------------------------------------------------------------
16public class FDFTest {
17 public static void main(String[] args) {
18
19 PDFNet.initialize(PDFTronLicense.Key());
20
21 // Relative path to the folder containing test files.
22 String input_path = "../../TestFiles/";
23 String output_path = "../../TestFiles/Output/";
24
25 // Example 1)
26 // Iterate over all form fields in the document. Display all field names.
27 try (PDFDoc doc = new PDFDoc((input_path + "form1.pdf"))) {
28 doc.initSecurityHandler();
29
30 for (FieldIterator itr = doc.getFieldIterator(); itr.hasNext(); ) {
31 Field current = itr.next();
32 System.out.println("Field name: " + current.getName());
33 System.out.println("Field partial name: " + current.getPartialName());
34
35 System.out.print("Field type: ");
36 int type = current.getType();
37 switch (type) {
38 case Field.e_button:
39 System.out.println("Button");
40 break;
41 case Field.e_check:
42 System.out.println("Check");
43 break;
44 case Field.e_radio:
45 System.out.println("Radio");
46 break;
47 case Field.e_text:
48 System.out.println("Text");
49 break;
50 case Field.e_choice:
51 System.out.println("Choice");
52 break;
53 case Field.e_signature:
54 System.out.println("Signature");
55 break;
56 case Field.e_null:
57 System.out.println("Null");
58 break;
59 }
60
61 System.out.println("------------------------------");
62 }
63
64 System.out.println("Done.");
65 } catch (Exception e) {
66 e.printStackTrace();
67 }
68
69 // Example 2) Import XFDF into FDF, then merge data from FDF into PDF
70 try (PDFDoc doc = new PDFDoc((input_path + "form1.pdf"))) {
71 // XFDF to FDF
72 // form fields
73 System.out.println("Import form field data from XFDF to FDF.");
74
75 FDFDoc fdf_doc1 = FDFDoc.createFromXFDF((input_path + "form1_data.xfdf"));
76 fdf_doc1.save(output_path + "form1_data.fdf");
77 // output FDF fdf_doc1
78
79 // annotations
80 System.out.println("Import annotations from XFDF to FDF.");
81
82 FDFDoc fdf_doc2 = FDFDoc.createFromXFDF((input_path + "form1_annots.xfdf"));
83 fdf_doc2.save(output_path + "form1_annots.fdf");
84 // output FDF fdf_doc2
85
86 // FDF to PDF
87 // form fields
88 System.out.println("Merge form field data from FDF.");
89
90 doc.initSecurityHandler();
91 doc.fdfMerge(fdf_doc1);
92
93 // Refreshing missing appearances is not required here, but is recommended to make them
94 // visible in PDF viewers with incomplete annotation viewing support. (such as Chrome)
95 doc.refreshAnnotAppearances();
96
97 doc.save((output_path + "form1_filled.pdf"), SDFDoc.SaveMode.LINEARIZED, null);
98 // output PDF doc
99
100 // annotations
101 System.out.println("Merge annotations from FDF.");
102
103 doc.fdfMerge(fdf_doc2);
104 // Refreshing missing appearances is not required here, but is recommended to make them
105 // visible in PDF viewers with incomplete annotation viewing support. (such as Chrome)
106 doc.refreshAnnotAppearances();
107 doc.save(output_path + "form1_filled_with_annots.pdf", SDFDoc.SaveMode.LINEARIZED, null);
108 System.out.println("Done.");
109 } catch (Exception e) {
110 e.printStackTrace();
111 }
112
113 // Example 3) Extract data from PDF to FDF, then export FDF as XFDF
114 try (PDFDoc in_doc = new PDFDoc((output_path + "form1_filled_with_annots.pdf"))) {
115 // PDF to FDF
116 in_doc.initSecurityHandler();
117
118 // form fields only
119 System.out.println("Extract form fields data to FDF.");
120
121 FDFDoc doc_fields = in_doc.fdfExtract(PDFDoc.e_forms_only);
122 doc_fields.setPDFFileName("../form1_filled_with_annots.pdf");
123 doc_fields.save(output_path + "form1_filled_data.fdf");
124 // output FDF doc_fields
125
126 // annotations only
127 System.out.println("Extract annotations to FDF.");
128
129 FDFDoc doc_annots = in_doc.fdfExtract(PDFDoc.e_annots_only);
130 doc_annots.setPDFFileName("../form1_filled_with_annots.pdf");
131 doc_annots.save(output_path + "form1_filled_annot.fdf");
132 // output FDF doc_annots
133
134 // both form fields and annotations
135 System.out.println("Extract both form fields and annotations to FDF.");
136
137 FDFDoc doc_both = in_doc.fdfExtract(PDFDoc.e_both);
138 doc_both.setPDFFileName("../form1_filled_with_annots.pdf");
139 doc_both.save(output_path + "form1_filled_both.fdf");
140 // output FDF doc_both
141
142 // FDF to XFDF
143 // form fields
144 System.out.println("Export form field data from FDF to XFDF.");
145
146 doc_fields.saveAsXFDF((output_path + "form1_filled_data.xfdf"));
147 // output FDF doc_fields
148
149 // annotations
150 System.out.println("Export annotations from FDF to XFDF.");
151
152 doc_annots.saveAsXFDF((output_path + "form1_filled_annot.xfdf"));
153 // output FDF doc_annots
154
155 // both form fields and annotations
156 System.out.println("Export both form fields and annotations from FDF to XFDF.");
157
158 doc_both.saveAsXFDF((output_path + "form1_filled_both.xfdf"));
159 // output FDF doc_both
160
161 System.out.println("Done.");
162 } catch (Exception e) {
163 e.printStackTrace();
164 }
165
166 // Example 4) Merge/Extract XFDF into/from PDF
167 try (PDFDoc in_doc = new PDFDoc((input_path + "numbered.pdf"))) {
168 // Merge XFDF from string
169 in_doc.initSecurityHandler();
170
171 System.out.println("Merge XFDF string into PDF.");
172
173 String str = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?><xfdf xmlns=\"http://ns.adobe.com/xfdf\" xml:space=\"preserve\"><square subject=\"Rectangle\" page=\"0\" name=\"cf4d2e58-e9c5-2a58-5b4d-9b4b1a330e45\" title=\"user\" creationdate=\"D:20120827112326-07'00'\" date=\"D:20120827112326-07'00'\" rect=\"227.7814207650273,597.6174863387978,437.07103825136608,705.0491803278688\" color=\"#000000\" interior-color=\"#FFFF00\" flags=\"print\" width=\"1\"><popup flags=\"print,nozoom,norotate\" open=\"no\" page=\"0\" rect=\"0,792,0,792\" /></square></xfdf>";
174
175 FDFDoc fdoc = FDFDoc.createFromXFDF(str);
176 in_doc.fdfMerge(fdoc);
177 in_doc.save(output_path + "numbered_modified.pdf", SDFDoc.SaveMode.LINEARIZED, null);
178 // output PDF in_doc
179 System.out.println("Merge complete.");
180
181 // Extract XFDF as string
182 System.out.println("Extract XFDF as a string.");
183
184 FDFDoc fdoc_new = in_doc.fdfExtract(PDFDoc.e_both);
185 String XFDF_str = fdoc_new.saveAsXFDF();
186 System.out.println("Extracted XFDF: ");
187 System.out.println(XFDF_str);
188 System.out.println("Extract complete.");
189 } catch (Exception e) {
190 e.printStackTrace();
191 }
192
193 // Example 5) Read FDF files directly
194 try {
195 FDFDoc doc = new FDFDoc((output_path + "form1_filled_data.fdf"));
196
197 for (FDFFieldIterator itr = doc.getFieldIterator(); itr.hasNext(); ) {
198 FDFField current = itr.next();
199 System.out.println("Field name: " + current.getName());
200 System.out.println("Field partial name: " + current.getPartialName());
201
202 System.out.println("------------------------------");
203 }
204 doc.close();
205 System.out.println("Done.");
206 } catch (Exception e) {
207 e.printStackTrace();
208 }
209
210 // Example 6) Direct generation of FDF.
211 try {
212 FDFDoc doc = new FDFDoc();
213 // Create new fields (i.e. key/value pairs).
214 doc.fieldCreate("Company", Field.e_text, "PDFTron Systems");
215 doc.fieldCreate("First Name", Field.e_text, "John");
216 doc.fieldCreate("Last Name", Field.e_text, "Doe");
217 // ...
218
219 // doc.setPdfFileName("mydoc.pdf");
220
221 doc.save(output_path + "sample_output.fdf");
222 // output FDF doc
223 doc.close();
224 System.out.println("Done. Results saved in sample_output.fdf");
225 } catch (Exception e) {
226 e.printStackTrace();
227 }
228
229 PDFNet.terminate();
230 }
231}
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//---------------------------------------------------------------------------------------
7// PDFNet includes a full support for FDF (Forms Data Format) and capability to merge/extract
8// forms data (FDF) with/from PDF. This sample illustrates basic FDF merge/extract functionality
9// available in PDFNet.
10//---------------------------------------------------------------------------------------
11
12const { PDFNet } = require('@pdftron/pdfnet-node');
13const PDFTronLicense = require('../LicenseKey/LicenseKey');
14
15((exports) => {
16
17 exports.runFDFTest = () => {
18 const main = async () => {
19 const inputPath = '../TestFiles/';
20 const outputPath = '../TestFiles/Output/';
21
22 // Example 1)
23 // Iterate over all form fields in the document. Display all field names.
24 try {
25 const doc = await PDFNet.PDFDoc.createFromFilePath(inputPath + 'form1.pdf');
26 doc.initSecurityHandler();
27
28 for (const itr = await doc.getFieldIteratorBegin(); await itr.hasNext(); itr.next()) {
29 const field = await itr.current();
30 console.log('Field name: ' + await field.getName());
31 console.log('Field partial name: ' + await field.getPartialName());
32
33 switch (await field.getType()) {
34 case PDFNet.Field.Type.e_button:
35 console.log('Field type: Button');
36 break;
37 case PDFNet.Field.Type.e_check:
38 console.log('Field type: Check');
39 break;
40 case PDFNet.Field.Type.e_radio:
41 console.log('Field type: Radio');
42 break;
43 case PDFNet.Field.Type.e_text:
44 console.log('Field type: Text');
45 break;
46 case PDFNet.Field.Type.e_choice:
47 console.log('Field type: Choice');
48 break;
49 case PDFNet.Field.Type.e_signature:
50 console.log('Field type: Signature');
51 break;
52 default:
53 console.log('Field type: Null');
54 break;
55 }
56 console.log('------------------------------')
57 }
58 console.log('Done.');
59 } catch (err) {
60 console.log(err);
61 }
62
63 // Example 2) Import XFDF into FDF, then merge data from FDF into PDF
64 try {
65 // FDF to PDF
66 // form fields
67 console.log('Import form field data from XFDF to FDF.');
68
69 const fdf_doc1 = await PDFNet.FDFDoc.createFromXFDF(inputPath + 'form1_data.xfdf');
70 await fdf_doc1.save(outputPath + 'form1_data.fdf');
71
72 // annotations
73 console.log('Import annotations from XFDF to FDF.');
74
75 const fdf_doc2 = await PDFNet.FDFDoc.createFromXFDF(inputPath + 'form1_annots.xfdf');
76 await fdf_doc2.save(outputPath + 'form1_annots.fdf');
77
78 // FDF to PDF
79 // form fields
80 console.log('Merge form field data from FDF.');
81
82 const doc = await PDFNet.PDFDoc.createFromFilePath(`${inputPath}form1.pdf`);
83 doc.initSecurityHandler();
84 await doc.fdfMerge(fdf_doc1);
85
86 // Refreshing missing appearances is not required here, but is recommended to make them
87 // visible in PDF viewers with incomplete annotation viewing support. (such as Chrome)
88 doc.refreshAnnotAppearances();
89
90 await doc.save(outputPath + 'form1_filled.pdf', PDFNet.SDFDoc.SaveOptions.e_linearized);
91
92 // annotations
93 console.log('Merge annotations from FDF.');
94
95 await doc.fdfMerge(fdf_doc2);
96 // Refreshing missing appearances is not required here, but is recommended to make them
97 // visible in PDF viewers with incomplete annotation viewing support. (such as Chrome)
98 doc.refreshAnnotAppearances();
99 await doc.save(outputPath + 'form1_filled_with_annots.pdf', PDFNet.SDFDoc.SaveOptions.e_linearized);
100 console.log('Done.');
101 } catch (err) {
102 console.log(err);
103 }
104
105
106 // Example 3) Extract data from PDF to FDF, then export FDF as XFDF
107 try {
108 // PDF to FDF
109 const in_doc = await PDFNet.PDFDoc.createFromFilePath(outputPath + 'form1_filled_with_annots.pdf');
110 in_doc.initSecurityHandler();
111
112 // form fields only
113 console.log('Extract form fields data to FDF.');
114
115 const doc_fields = await in_doc.fdfExtract(PDFNet.PDFDoc.ExtractFlag.e_forms_only);
116 doc_fields.setPDFFileName('../form1_filled_with_annots.pdf');
117 await doc_fields.save(outputPath + 'form1_filled_data.fdf');
118
119 // annotations only
120 console.log('Extract annotations to FDF.');
121
122 const doc_annots = await in_doc.fdfExtract(PDFNet.PDFDoc.ExtractFlag.e_annots_only);
123 doc_annots.setPDFFileName('../form1_filled_with_annots.pdf');
124 await doc_annots.save(outputPath + 'form1_filled_annot.fdf');
125
126 // both form fields and annotations
127 console.log('Extract both form fields and annotations to FDF.');
128
129 const doc_both = await in_doc.fdfExtract(PDFNet.PDFDoc.ExtractFlag.e_both);
130 doc_both.setPDFFileName('../form1_filled_with_annots.pdf');
131 await doc_both.save(outputPath + 'form1_filled_both.fdf');
132
133 // FDF to XFDF
134 // form fields
135 console.log('Export form field data from FDF to XFDF.');
136
137 await doc_fields.saveAsXFDF(outputPath + 'form1_filled_data.xfdf');
138
139 // annotations
140 console.log('Export annotations from FDF to XFDF.');
141
142 await doc_annots.saveAsXFDF(outputPath + 'form1_filled_annot.xfdf');
143
144 // both form fields and annotations
145 console.log('Export both form fields and annotations from FDF to XFDF.');
146
147 await doc_both.saveAsXFDF(outputPath + 'form1_filled_both.xfdf');
148
149 console.log('Done.');
150 } catch (err) {
151 console.log(err);
152 }
153
154 // Example 4) Merge/Extract XFDF into/from PDF
155 try {
156 // Merge XFDF from string
157 const in_doc = await PDFNet.PDFDoc.createFromFilePath(inputPath + 'numbered.pdf');
158 in_doc.initSecurityHandler();
159
160 console.log('Merge XFDF string into PDF.');
161
162 const str = `<?xml version="1.0" encoding="UTF-8" ?><xfdf xmlns="http://ns.adobe.com/xfdf" xml:space="preserve"><square subject="Rectangle" page="0" name="cf4d2e58-e9c5-2a58-5b4d-9b4b1a330e45" title="user" creationdate="D:20120827112326-07'00'" date="D:20120827112326-07'00'" rect="227.7814207650273,597.6174863387978,437.07103825136608,705.0491803278688" color="#000000" interior-color="#FFFF00" flags="print" width="1"><popup flags="print,nozoom,norotate" open="no" page="0" rect="0,792,0,792" /></square></xfdf>`;
163
164 const fdoc = await PDFNet.FDFDoc.createFromXFDF(str);
165 in_doc.fdfMerge(fdoc);
166 await in_doc.save(outputPath + 'numbered_modified.pdf', PDFNet.SDFDoc.SaveOptions.e_linearized);
167 console.log('Merge complete.');
168
169 // Extract XFDF as string
170 console.log('Extract XFDF as a string.');
171
172 const fdoc_new = await in_doc.fdfExtract(PDFNet.PDFDoc.ExtractFlag.e_both);
173 const XFDF_str = await fdoc_new.saveAsXFDFAsString();
174 console.log('Extracted XFDF: ');
175 console.log(XFDF_str);
176 console.log('Extract complete.');
177 } catch (err) {
178 console.log(err);
179 }
180
181 // Example 5) Read FDF files directly
182 try {
183 const doc = await PDFNet.FDFDoc.createFromFilePath(outputPath + 'form1_filled_data.fdf');
184
185 for (const itr = await doc.getFieldIteratorBegin(); await itr.hasNext(); itr.next()) {
186 const field = await itr.current();
187 console.log('Field name: ' + await field.getName());
188 console.log('Field partial name: ' + await field.getPartialName());
189
190 console.log('------------------------------');
191 }
192
193 console.log('Done.');
194 } catch (err) {
195 console.log(err);
196 }
197
198 // Example 6) Direct generation of FDF.
199 try
200 {
201 const doc = await PDFNet.FDFDoc.create();
202 // Create new fields (i.e. key/value pairs).
203 doc.fieldCreateFromString('Company', PDFNet.Field.Type.e_text, 'PDFTron Systems');
204 doc.fieldCreateFromString('First Name', PDFNet.Field.Type.e_text, 'John');
205 doc.fieldCreateFromString('Last Name', PDFNet.Field.Type.e_text, 'Doe');
206
207 await doc.save(outputPath + 'sample_output.fdf');
208 console.log('Done. Results saved in sample_output.fdf');
209 } catch (err) {
210 console.log(err);
211 }
212 };
213
214 PDFNet.runWithCleanup(main, PDFTronLicense.Key).catch(function (error) { console.log('Error: ' + JSON.stringify(error)); }).then(function () { return PDFNet.shutdown(); });
215 };
216 exports.runFDFTest();
217})(exports);
218// eslint-disable-next-line spaced-comment
219//# sourceURL=FDFTest.js
1//---------------------------------------------------------------------------------------
2// Copyright (c) 2001-2021 by PDFTron Systems Inc. All Rights Reserved.
3// Consult LICENSE.txt regarding license information.
4//---------------------------------------------------------------------------------------
5
6package main
7import (
8 "fmt"
9 . "pdftron"
10)
11
12import "pdftron/Samples/LicenseKey/GO"
13
14//---------------------------------------------------------------------------------------
15// PDFNet includes a full support for FDF (Forms Data Format) and capability to merge/extract
16// forms data (FDF) with/from PDF. This sample illustrates basic FDF merge/extract functionality
17// available in PDFNet.
18//---------------------------------------------------------------------------------------
19
20func main(){
21 PDFNetInitialize(PDFTronLicense.Key)
22
23 // Relative path to the folder containing the test files.
24 inputPath := "../../TestFiles/"
25 outputPath := "../../TestFiles/Output/"
26
27 // Example 1
28 // Iterate over all form fields in the document. Display all field names.
29
30 doc := NewPDFDoc(inputPath + "form1.pdf")
31 doc.InitSecurityHandler()
32
33 itr := doc.GetFieldIterator()
34 for itr.HasNext(){
35 fmt.Println("Field name: " + itr.Current().GetName())
36 fmt.Println("Field partial name: " + itr.Current().GetPartialName())
37
38 fieldType := itr.Current().GetType()
39 fieldTypeStr := ""
40 if fieldType == FieldE_button{
41 fieldTypeStr = "Button"
42 }else if fieldType == FieldE_text{
43 fieldTypeStr = "Text"
44 }else if fieldType == FieldE_choice{
45 fieldTypeStr = "Choice"
46 }else if fieldType == FieldE_signature{
47 fieldTypeStr = "Signiture"
48 }
49 fmt.Println("Field type: " + fieldTypeStr)
50 fmt.Println("------------------------------")
51 itr.Next()
52 }
53 doc.Close()
54 fmt.Println("Done.")
55
56 // Example 2
57 // Import XFDF into FDF, then merge data from FDF
58
59 // XFDF to FDF
60 // form fields
61 fmt.Println("Import form field data from XFDF to FDF.")
62
63 fdfDoc1 := FDFDocCreateFromXFDF(inputPath + "form1_data.xfdf")
64 fdfDoc1.Save(outputPath + "form1_data.fdf")
65
66 // annotations
67 fmt.Println("Import annotations from XFDF to FDF.")
68
69 fdfDoc2 := FDFDocCreateFromXFDF(inputPath + "form1_annots.xfdf")
70 fdfDoc2.Save(outputPath + "form1_annots.fdf")
71
72 // FDF to PDF
73 // form fields
74 fmt.Println("Merge form field data from FDF.")
75
76 doc = NewPDFDoc(inputPath + "form1.pdf")
77 doc.InitSecurityHandler()
78 doc.FDFMerge(fdfDoc1)
79
80 // Refreshing missing appearances is not required here, but is recommended to make them
81 // visible in PDF viewers with incomplete annotation viewing support. (such as Chrome)
82 doc.RefreshAnnotAppearances()
83
84 doc.Save(outputPath + "form1_filled.pdf", uint(SDFDocE_linearized))
85
86 // annotations
87 fmt.Println("Merge annotations from FDF.")
88
89 doc.FDFMerge(fdfDoc2)
90 // Refreshing missing appearances is not required here, but is recommended to make them
91 // visible in PDF viewers with incomplete annotation viewing support. (such as Chrome)
92 doc.RefreshAnnotAppearances()
93 doc.Save(outputPath + "form1_filled_with_annots.pdf", uint(SDFDocE_linearized))
94 doc.Close()
95 fmt.Println("Done.")
96
97
98 // Example 3
99 // Extract data from PDF to FDF, then export FDF as XFDF
100
101 // PDF to FDF
102 inDoc := NewPDFDoc(outputPath + "form1_filled_with_annots.pdf")
103 inDoc.InitSecurityHandler()
104
105 // form fields only
106 fmt.Println("Extract form fields data to FDF.")
107
108 docFields := inDoc.FDFExtract(PDFDocE_forms_only)
109 docFields.SetPDFFileName("../form1_filled_with_annots.pdf")
110 docFields.Save(outputPath + "form1_filled_data.fdf")
111
112 // annotations only
113 fmt.Println("Extract annotations to FDF.")
114
115 docAnnots := inDoc.FDFExtract(PDFDocE_annots_only)
116 docAnnots.SetPDFFileName("../form1_filled_with_annots.pdf")
117 docAnnots.Save(outputPath + "form1_filled_annot.fdf")
118
119 // both form fields and annotations
120 fmt.Println("Extract both form fields and annotations to FDF.")
121
122 docBoth := inDoc.FDFExtract(PDFDocE_both)
123 docBoth.SetPDFFileName("../form1_filled_with_annots.pdf")
124 docBoth.Save(outputPath + "form1_filled_both.fdf")
125
126 // FDF to XFDF
127 // form fields
128 fmt.Println("Export form field data from FDF to XFDF.")
129
130 docFields.SaveAsXFDF(outputPath + "form1_filled_data.xfdf")
131
132 // annotations
133 fmt.Println("Export annotations from FDF to XFDF.")
134
135 docAnnots.SaveAsXFDF(outputPath + "form1_filled_annot.xfdf")
136
137 // both form fields and annotations
138 fmt.Println("Export both form fields and annotations from FDF to XFDF.")
139
140 docBoth.SaveAsXFDF(outputPath + "form1_filled_both.xfdf")
141
142 inDoc.Close()
143 fmt.Println("Done.")
144
145 // Example 4
146 // Merge/Extract XFDF into/from PDF
147
148 // Merge XFDF from string
149 inDoc = NewPDFDoc(inputPath + "numbered.pdf")
150 inDoc.InitSecurityHandler()
151
152 fmt.Println("Merge XFDF string into PDF.")
153
154 str := "<?xml version=\"1.0\" encoding=\"UTF-8\" ?><xfdf xmlns=\"http://ns.adobe.com/xfdf\" xml:space=\"preserve\"><square subject=\"Rectangle\" page=\"0\" name=\"cf4d2e58-e9c5-2a58-5b4d-9b4b1a330e45\" title=\"user\" creationdate=\"D:20120827112326-07'00'\" date=\"D:20120827112326-07'00'\" rect=\"227.7814207650273,597.6174863387978,437.07103825136608,705.0491803278688\" color=\"#000000\" interior-color=\"#FFFF00\" flags=\"print\" width=\"1\"><popup flags=\"print,nozoom,norotate\" open=\"no\" page=\"0\" rect=\"0,792,0,792\" /></square></xfdf>"
155
156 fdoc := FDFDocCreateFromXFDF(str)
157 inDoc.FDFMerge(fdoc)
158 inDoc.Save(outputPath + "numbered_modified.pdf", uint(SDFDocE_linearized))
159 fmt.Println("Merge complete.")
160
161 // Extract XFDF as string
162 fmt.Println("Extract XFDF as a string.")
163
164 fdocNew := inDoc.FDFExtract(PDFDocE_both)
165 xfdfStr := fdocNew.SaveAsXFDF()
166 fmt.Println("Extracted XFDF: ")
167 fmt.Println(xfdfStr)
168 inDoc.Close()
169 fmt.Println("Extract complete.")
170
171 // Example 5
172 // Read FDF files directly
173
174 fdoc2 := NewFDFDoc(outputPath + "form1_filled_data.fdf")
175
176 fitr := fdoc2.GetFieldIterator()
177 for fitr.HasNext(){
178 fmt.Println("Field name: " + fitr.Current().GetName())
179 fmt.Println("Field partial name: " + fitr.Current().GetPartialName())
180 fmt.Println("------------------------------")
181 fitr.Next()
182 }
183
184 fdoc2.Close()
185 fmt.Println("Done.")
186
187 // Example 6
188 // Direct generation of FDF
189 fdoc2 = NewFDFDoc()
190
191 // Create new fields (i.r. key/value pairs
192 fdoc2.FieldCreate("Company", FieldE_text, "PDFTron Systems")
193 fdoc2.FieldCreate("First Name", FieldE_text, "John")
194 fdoc2.FieldCreate("Last Name", FieldE_text, "Doe")
195
196 fdoc2.Save(outputPath + "sample_output.fdf")
197 fdoc2.Close()
198 PDFNetTerminate()
199 fmt.Println("Done. Results saved in sample_output.fdf")
200}
1#---------------------------------------------------------------------------------------
2# Copyright (c) 2001-2023 by Apryse Software Inc. All Rights Reserved.
3# Consult LICENSE.txt regarding license information.
4#---------------------------------------------------------------------------------------
5
6import site
7site.addsitedir("../../../PDFNetC/Lib")
8import sys
9from PDFNetPython import *
10
11sys.path.append("../../LicenseKey/PYTHON")
12from LicenseKey import *
13
14#---------------------------------------------------------------------------------------
15# PDFNet includes a full support for FDF (Forms Data Format) and capability to merge/extract
16# forms data (FDF) with/from PDF. This sample illustrates basic FDF merge/extract functionality
17# available in PDFNet.
18#---------------------------------------------------------------------------------------
19
20def main():
21 PDFNet.Initialize(LicenseKey)
22
23 # Relative path to the folder containing the test files.
24 input_path = "../../TestFiles/"
25 output_path = "../../TestFiles/Output/"
26
27 # Example 1
28 # Iterate over all form fields in the document. Display all field names.
29
30 doc = PDFDoc(input_path + "form1.pdf")
31 doc.InitSecurityHandler()
32
33 itr = doc.GetFieldIterator()
34 while itr.HasNext():
35 print("Field name: " + itr.Current().GetName())
36 print("Field partial name: " + itr.Current().GetPartialName())
37
38 sys.stdout.write("Field type: ")
39 type = itr.Current().GetType()
40 if type == Field.e_button:
41 print("Button")
42 elif type == Field.e_check:
43 print("Check")
44 elif type == Field.e_radio:
45 print("Radio")
46 elif type == Field.e_text:
47 print("Text")
48 elif type == Field.e_choice:
49 print("Choice")
50 elif type == Field.e_signature:
51 print("Signiture")
52 elif type == Field.e_null:
53 print("Null")
54
55 print("------------------------------")
56 itr.Next()
57
58 doc.Close()
59 print("Done.")
60
61 # Example 2
62 # Import XFDF into FDF, then merge data from FDF
63
64 # XFDF to FDF
65 # form fields
66 print("Import form field data from XFDF to FDF.")
67
68 fdf_doc1 = FDFDoc.CreateFromXFDF(input_path + "form1_data.xfdf")
69 fdf_doc1.Save(output_path + "form1_data.fdf")
70
71 # annotations
72 print("Import annotations from XFDF to FDF.")
73
74 fdf_doc2 = FDFDoc.CreateFromXFDF(input_path + "form1_annots.xfdf")
75 fdf_doc2.Save(output_path + "form1_annots.fdf")
76
77 # FDF to PDF
78 # form fields
79 print("Merge form field data from FDF.")
80
81 doc = PDFDoc(input_path + "form1.pdf")
82 doc.InitSecurityHandler()
83 doc.FDFMerge(fdf_doc1)
84
85 # Refreshing missing appearances is not required here, but is recommended to make them
86 # visible in PDF viewers with incomplete annotation viewing support. (such as Chrome)
87 doc.RefreshAnnotAppearances()
88
89 doc.Save(output_path + "form1_filled.pdf", SDFDoc.e_linearized)
90
91 # annotations
92 print("Merge annotations from FDF.")
93
94 doc.FDFMerge(fdf_doc2)
95 # Refreshing missing appearances is not required here, but is recommended to make them
96 # visible in PDF viewers with incomplete annotation viewing support. (such as Chrome)
97 doc.RefreshAnnotAppearances()
98 doc.Save(output_path + "form1_filled_with_annots.pdf", SDFDoc.e_linearized)
99 doc.Close()
100 print("Done.")
101
102
103 # Example 3
104 # Extract data from PDF to FDF, then export FDF as XFDF
105
106 # PDF to FDF
107 in_doc = PDFDoc(output_path + "form1_filled_with_annots.pdf")
108 in_doc.InitSecurityHandler()
109
110 # form fields only
111 print("Extract form fields data to FDF.")
112
113 doc_fields = in_doc.FDFExtract(PDFDoc.e_forms_only)
114 doc_fields.SetPDFFileName("../form1_filled_with_annots.pdf")
115 doc_fields.Save(output_path + "form1_filled_data.fdf")
116
117 # annotations only
118 print("Extract annotations to FDF.")
119
120 doc_annots = in_doc.FDFExtract(PDFDoc.e_annots_only)
121 doc_annots.SetPDFFileName("../form1_filled_with_annots.pdf")
122 doc_annots.Save(output_path + "form1_filled_annot.fdf")
123
124 # both form fields and annotations
125 print("Extract both form fields and annotations to FDF.")
126
127 doc_both = in_doc.FDFExtract(PDFDoc.e_both)
128 doc_both.SetPDFFileName("../form1_filled_with_annots.pdf")
129 doc_both.Save(output_path + "form1_filled_both.fdf")
130
131 # FDF to XFDF
132 # form fields
133 print("Export form field data from FDF to XFDF.")
134
135 doc_fields.SaveAsXFDF(output_path + "form1_filled_data.xfdf")
136
137 # annotations
138 print("Export annotations from FDF to XFDF.")
139
140 doc_annots.SaveAsXFDF(output_path + "form1_filled_annot.xfdf")
141
142 # both form fields and annotations
143 print("Export both form fields and annotations from FDF to XFDF.")
144
145 doc_both.SaveAsXFDF(output_path + "form1_filled_both.xfdf")
146
147 in_doc.Close()
148 print("Done.")
149
150 # Example 4
151 # Merge/Extract XFDF into/from PDF
152
153 # Merge XFDF from string
154 in_doc = PDFDoc(input_path + "numbered.pdf")
155 in_doc.InitSecurityHandler()
156
157 print("Merge XFDF string into PDF.")
158
159 str = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?><xfdf xmlns=\"http://ns.adobe.com/xfdf\" xml:space=\"preserve\"><square subject=\"Rectangle\" page=\"0\" name=\"cf4d2e58-e9c5-2a58-5b4d-9b4b1a330e45\" title=\"user\" creationdate=\"D:20120827112326-07'00'\" date=\"D:20120827112326-07'00'\" rect=\"227.7814207650273,597.6174863387978,437.07103825136608,705.0491803278688\" color=\"#000000\" interior-color=\"#FFFF00\" flags=\"print\" width=\"1\"><popup flags=\"print,nozoom,norotate\" open=\"no\" page=\"0\" rect=\"0,792,0,792\" /></square></xfdf>"
160
161 fdoc = FDFDoc.CreateFromXFDF(str)
162 in_doc.FDFMerge(fdoc)
163 in_doc.Save(output_path + "numbered_modified.pdf", SDFDoc.e_linearized)
164 print("Merge complete.")
165
166 # Extract XFDF as string
167 print("Extract XFDF as a string.")
168
169 fdoc_new = in_doc.FDFExtract(PDFDoc.e_both)
170 XFDF_str = fdoc_new.SaveAsXFDF()
171 print("Extracted XFDF: ")
172 print(XFDF_str)
173 in_doc.Close()
174 print("Extract complete.")
175
176 # Example 5
177 # Read FDF files directly
178
179 doc = FDFDoc(output_path + "form1_filled_data.fdf")
180
181 itr = doc.GetFieldIterator()
182 while itr.HasNext():
183 print("Field name: " + itr.Current().GetName())
184 print("Field partial name: " + itr.Current().GetPartialName())
185 print("------------------------------")
186 itr.Next()
187
188 doc.Close()
189 print("Done.")
190
191 # Example 6
192 # Direct generation of FDF
193 doc = FDFDoc()
194
195 # Create new fields (i.r. key/value pairs
196 doc.FieldCreate("Company", Field.e_text, "PDFTron Systems")
197 doc.FieldCreate("First Name", Field.e_text, "John")
198 doc.FieldCreate("Last Name", Field.e_text, "Doe")
199
200 doc.Save(output_path + "sample_output.fdf")
201 doc.Close()
202 PDFNet.Terminate()
203 print("Done. Results saved in sample_output.fdf")
204
205if __name__ == '__main__':
206 main()
1<?php
2//---------------------------------------------------------------------------------------
3// Copyright (c) 2001-2023 by Apryse Software Inc. All Rights Reserved.
4// Consult LICENSE.txt regarding license information.
5//---------------------------------------------------------------------------------------
6if(file_exists("../../../PDFNetC/Lib/PDFNetPHP.php"))
7include("../../../PDFNetC/Lib/PDFNetPHP.php");
8include("../../LicenseKey/PHP/LicenseKey.php");
9
10//---------------------------------------------------------------------------------------
11// PDFNet includes a full support for FDF (Forms Data Format) and capability to merge/extract
12// forms data (FDF) with/from PDF. This sample illustrates basic FDF merge/extract functionality
13// available in PDFNet.
14//---------------------------------------------------------------------------------------
15 PDFNet::Initialize($LicenseKey);
16 PDFNet::GetSystemFontList(); // Wait for fonts to be loaded if they haven't already. This is done because PHP can run into errors when shutting down if font loading is still in progress.
17
18 // Relative path to the folder containing the test files.
19 $input_path = getcwd()."/../../TestFiles/";
20 $output_path = $input_path."Output/";
21
22 // Example 1:
23 // Iterate over all form fields in the document. Display all field names.
24
25 $doc = new PDFDoc($input_path."form1.pdf");
26 $doc->InitSecurityHandler();
27
28 for($itr = $doc->GetFieldIterator(); $itr->HasNext(); $itr->Next())
29 {
30 echo nl2br("Field name: ".$itr->Current()->GetName()."\n");
31 echo nl2br("Field partial name: ".$itr->Current()->GetPartialName()."\n");
32
33 echo "Field type: ";
34 $type = $itr->Current()->GetType();
35 switch($type)
36 {
37 case Field::e_button: echo nl2br("Button"."\n"); break;
38 case Field::e_check: echo nl2br("Check"."\n"); break;
39 case Field::e_radio: echo nl2br("Radio"."\n"); break;
40 case Field::e_text: echo nl2br("Text"."\n"); break;
41 case Field::e_choice: echo nl2br("Choice"."\n"); break;
42 case Field::e_signature: echo nl2br("Signature"."\n"); break;
43 case Field::e_null: echo nl2br("Null"."\n"); break;
44 }
45
46 echo nl2br("------------------------------\n");
47 }
48
49 $doc->Close();
50 echo nl2br("Done.\n");
51
52 // Example 2) Import XFDF into FDF, then merge data from FDF into PDF
53
54 // XFDF to FDF
55 // form fields
56 echo nl2br("Import form field data from XFDF to FDF.\n");
57
58 $fdf_doc1 = FDFDoc::CreateFromXFDF($input_path."form1_data.xfdf");
59 $fdf_doc1->Save($output_path."form1_data.fdf");
60
61 // annotations
62 echo nl2br("Import annotations from XFDF to FDF.\n");
63
64 $fdf_doc2 = FDFDoc::CreateFromXFDF($input_path."form1_annots.xfdf");
65 $fdf_doc2->Save($output_path."form1_annots.fdf");
66
67 // FDF to PDF
68 // form fields
69 echo nl2br("Merge form field data from FDF.\n");
70
71 $doc = new PDFDoc($input_path."form1.pdf");
72 $doc->InitSecurityHandler();
73 $doc->FDFMerge($fdf_doc1);
74
75 // Refreshing missing appearances is not required here, but is recommended to make them
76 // visible in PDF viewers with incomplete annotation viewing support. (such as Chrome)
77 $doc->RefreshAnnotAppearances();
78
79 $doc->Save(($output_path."form1_filled.pdf"), SDFDoc::e_linearized);
80
81 // annotations
82 echo nl2br("Merge annotations from FDF.\n");
83
84 $doc->FDFMerge($fdf_doc2);
85 // Refreshing missing appearances is not required here, but is recommended to make them
86 // visible in PDF viewers with incomplete annotation viewing support. (such as Chrome)
87 $doc->RefreshAnnotAppearances();
88 $doc->Save(($output_path."form1_filled_with_annots.pdf"), SDFDoc::e_linearized);
89 $doc->Close();
90 echo nl2br("Done.\n");
91
92
93 // Example 3) Extract data from PDF to FDF, then export FDF as XFDF
94
95 // PDF to FDF
96 $in_doc = new PDFDoc($output_path."form1_filled_with_annots.pdf");
97 $in_doc->InitSecurityHandler();
98
99 // form fields only
100 echo nl2br("Extract form fields data to FDF.\n");
101
102 $doc_fields = $in_doc->FDFExtract(PDFDoc::e_forms_only);
103 $doc_fields->SetPDFFileName("../form1_filled_with_annots.pdf");
104 $doc_fields->Save($output_path."form1_filled_data.fdf");
105
106 // annotations only
107 echo nl2br("Extract annotations to FDF.\n");
108
109 $doc_annots = $in_doc->FDFExtract(PDFDoc::e_annots_only);
110 $doc_annots->SetPDFFileName("../form1_filled_with_annots.pdf");
111 $doc_annots->Save($output_path."form1_filled_annot.fdf");
112
113 // both form fields and annotations
114 echo nl2br("Extract both form fields and annotations to FDF.\n");
115
116 $doc_both = $in_doc->FDFExtract(PDFDoc::e_both);
117 $doc_both->SetPDFFileName("../form1_filled_with_annots.pdf");
118 $doc_both->Save($output_path."form1_filled_both.fdf");
119
120 // FDF to XFDF
121 // form fields
122 echo nl2br("Export form field data from FDF to XFDF.\n");
123
124 $doc_fields->SaveAsXFDF($output_path."form1_filled_data.xfdf");
125
126 // annotations
127 echo nl2br("Export annotations from FDF to XFDF.\n");
128
129 $doc_annots->SaveAsXFDF($output_path."form1_filled_annot.xfdf");
130
131 // both form fields and annotations
132 echo nl2br("Export both form fields and annotations from FDF to XFDF.\n");
133
134 $doc_both->SaveAsXFDF($output_path."form1_filled_both.xfdf");
135
136 $in_doc->Close();
137 echo nl2br("Done.\n");
138
139 // Example 4) Merge/Extract XFDF into/from PDF
140
141 // Merge XFDF from string
142 $in_doc = new PDFDoc($input_path."numbered.pdf");
143 $in_doc->InitSecurityHandler();
144
145 echo nl2br("Merge XFDF string into PDF.\n");
146
147 $str = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?><xfdf xmlns=\"http://ns.adobe.com/xfdf\" xml:space=\"preserve\"><square subject=\"Rectangle\" page=\"0\" name=\"cf4d2e58-e9c5-2a58-5b4d-9b4b1a330e45\" title=\"user\" creationdate=\"D:20120827112326-07'00'\" date=\"D:20120827112326-07'00'\" rect=\"227.7814207650273,597.6174863387978,437.07103825136608,705.0491803278688\" color=\"#000000\" interior-color=\"#FFFF00\" flags=\"print\" width=\"1\"><popup flags=\"print,nozoom,norotate\" open=\"no\" page=\"0\" rect=\"0,792,0,792\" /></square></xfdf>";
148 $fdoc = FDFDoc::CreateFromXFDF($str);
149 $in_doc->FDFMerge($fdoc);
150 $in_doc->Save(($output_path."numbered_modified.pdf"), SDFDoc::e_linearized);
151 echo nl2br("Merge complete.\n");
152
153 // Extract XFDF as string
154 echo nl2br("Extract XFDF as a string.\n");
155
156 $fdoc_new = $in_doc->FDFExtract(PDFDoc::e_both);
157 $XFDF_str = $fdoc_new->SaveAsXFDF();
158 echo nl2br("Extracted XFDF: \n");
159 echo nl2br($XFDF_str);
160 $in_doc->Close();
161 echo nl2br("\nExtract complete.\n");
162
163 // Example 5) Read FDF files directly
164
165 $doc = new FDFDoc($output_path."form1_filled_data.fdf");
166
167 for($itr = $doc->GetFieldIterator(); $itr->HasNext(); $itr->Next())
168 {
169 echo nl2br("Field name: ".$itr->Current()->GetName()."\n");
170 echo nl2br("Field partial name: ".$itr->Current()->GetPartialName()."\n");
171 echo nl2br("------------------------------\n");
172 }
173
174 $doc->Close();
175 echo nl2br("Done.\n");
176
177 // Example 6) Direct generation of FDF.
178
179 $doc = new FDFDoc();
180 // Create new fields (i.e. key/value pairs).
181 $doc->FieldCreate("Company", Field::e_text, "PDFTron Systems");
182 $doc->FieldCreate("First Name", Field::e_text, "John");
183 $doc->FieldCreate("Last Name", Field::e_text, "Doe");
184 // ...
185
186 // $doc->SetPdfFileName("mydoc.pdf");
187
188 $doc->Save($output_path."sample_output.fdf");
189 $doc->Close();
190 PDFNet::Terminate();
191 echo nl2br("Done. Results saved in sample_output.fdf");
192
193
194?>
1#---------------------------------------------------------------------------------------
2# Copyright (c) 2001-2023 by Apryse Software Inc. All Rights Reserved.
3# Consult LICENSE.txt regarding license information.
4#---------------------------------------------------------------------------------------
5
6require '../../../PDFNetC/Lib/PDFNetRuby'
7include PDFNetRuby
8require '../../LicenseKey/RUBY/LicenseKey'
9
10$stdout.sync = true
11
12#---------------------------------------------------------------------------------------
13# PDFNet includes a full support for FDF (Forms Data Format) and capability to merge/extract
14# forms data (FDF) with/from PDF. This sample illustrates basic FDF merge/extract functionality
15# available in PDFNet.
16#---------------------------------------------------------------------------------------
17
18 PDFNet.Initialize(PDFTronLicense.Key)
19
20 # Relative path to the folder containing the test files.
21 input_path = "../../TestFiles/"
22 output_path = "../../TestFiles/Output/"
23
24 # Example 1
25 # Iterate over all form fields in the document. Display all field names.
26
27 doc = PDFDoc.new(input_path + "form1.pdf")
28 doc.InitSecurityHandler()
29
30 itr = doc.GetFieldIterator()
31 while itr.HasNext() do
32 puts "Field name: " + itr.Current().GetName()
33 puts "Field partial name: " + itr.Current().GetPartialName()
34
35 print "Field type: "
36 type = itr.Current().GetType()
37 if type == Field::E_button
38 puts "Button"
39 elsif type == Field::E_check
40 puts "Check"
41 elsif type == Field::E_radio
42 puts "Radio"
43 elsif type == Field::E_text
44 puts "Text"
45 elsif type == Field::E_choice
46 puts "Choice"
47 elsif type == Field::E_signature
48 puts "Signiture"
49 elsif type == Field::E_null
50 puts "Null"
51 end
52
53 puts "------------------------------"
54 itr.Next()
55 end
56
57 doc.Close()
58 puts "Done."
59
60 # Example 2
61 # Import XFDF into FDF, then merge data from FDF into PDF
62
63 # XFDF to FDF
64 # form fields
65 puts "Import form field data from XFDF to FDF."
66
67 fdf_doc1 = FDFDoc.CreateFromXFDF(input_path + "form1_data.xfdf")
68 fdf_doc1.Save(output_path + "form1_data.fdf")
69
70 # annotations
71 puts "Import annotations from XFDF to FDF."
72
73 fdf_doc2 = FDFDoc.CreateFromXFDF(input_path + "form1_annots.xfdf")
74 fdf_doc2.Save(output_path + "form1_annots.fdf")
75
76 # FDF to PDF
77 # form fields
78 puts "Merge form field data from FDF."
79
80 doc = PDFDoc.new(input_path + "form1.pdf")
81 doc.InitSecurityHandler()
82 doc.FDFMerge(fdf_doc1)
83
84 # Refreshing missing appearances is not required here, but is recommended to make them
85 # visible in PDF viewers with incomplete annotation viewing support. (such as Chrome)
86 doc.RefreshAnnotAppearances()
87
88 doc.Save(output_path + "form1_filled.pdf", SDFDoc::E_linearized)
89
90 # annotations
91 puts "Merge annotations from FDF."
92
93 doc.FDFMerge(fdf_doc2)
94 # Refreshing missing appearances is not required here, but is recommended to make them
95 # visible in PDF viewers with incomplete annotation viewing support. (such as Chrome)
96 doc.RefreshAnnotAppearances()
97 doc.Save(output_path + "form1_filled_with_annots.pdf", SDFDoc::E_linearized)
98 doc.Close()
99 puts "Done."
100
101
102 # Example 3
103 # Extract data from PDF to FDF, then export FDF as XFDF
104
105 # PDF to FDF
106 in_doc = PDFDoc.new(output_path + "form1_filled_with_annots.pdf")
107 in_doc.InitSecurityHandler()
108
109 # form fields only
110 puts "Extract form fields data to FDF."
111
112 doc_fields = in_doc.FDFExtract(PDFDoc::E_forms_only)
113 doc_fields.SetPDFFileName("../form1_filled_with_annots.pdf")
114 doc_fields.Save(output_path + "form1_filled_data.fdf")
115
116 # annotations only
117 puts "Extract annotations to FDF."
118
119 doc_annots = in_doc.FDFExtract(PDFDoc::E_annots_only)
120 doc_annots.SetPDFFileName("../form1_filled_with_annots.pdf")
121 doc_annots.Save(output_path + "form1_filled_annot.fdf")
122
123 # both form fields and annotations
124 puts "Extract both form fields and annotations to FDF."
125
126 doc_both = in_doc.FDFExtract(PDFDoc::E_both)
127 doc_both.SetPDFFileName("../form1_filled_with_annots.pdf")
128 doc_both.Save(output_path + "form1_filled_both.fdf")
129
130 # FDF to XFDF
131 # form fields
132 puts "Export form field data from FDF to XFDF."
133
134 doc_fields.SaveAsXFDF(output_path + "form1_filled_data.xfdf")
135
136 # annotations
137 puts "Export annotations from FDF to XFDF."
138
139 doc_annots.SaveAsXFDF(output_path + "form1_filled_annot.xfdf")
140
141 # both form fields and annotations
142 puts "Export both form fields and annotations from FDF to XFDF."
143
144 doc_both.SaveAsXFDF(output_path + "form1_filled_both.xfdf")
145
146 in_doc.Close()
147 puts "Done."
148
149 # Example 4
150 # Merge/Extract XFDF into/from PDF
151 in_doc = PDFDoc.new(input_path + "numbered.pdf")
152 in_doc.InitSecurityHandler()
153
154 puts "Merge XFDF string into PDF."
155
156 str = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?><xfdf xmlns=\"http://ns.adobe.com/xfdf\" xml:space=\"preserve\"><square subject=\"Rectangle\" page=\"0\" name=\"cf4d2e58-e9c5-2a58-5b4d-9b4b1a330e45\" title=\"user\" creationdate=\"D:20120827112326-07'00'\" date=\"D:20120827112326-07'00'\" rect=\"227.7814207650273,597.6174863387978,437.07103825136608,705.0491803278688\" color=\"#000000\" interior-color=\"#FFFF00\" flags=\"print\" width=\"1\"><popup flags=\"print,nozoom,norotate\" open=\"no\" page=\"0\" rect=\"0,792,0,792\" /></square></xfdf>"
157
158 fdoc = FDFDoc.CreateFromXFDF(str)
159 in_doc.FDFMerge(fdoc)
160 in_doc.Save(output_path + "numbered_modified.pdf", SDFDoc::E_linearized)
161 puts "Merge complete."
162
163 # Extract XFDF as string
164 puts "Extract XFDF as a string."
165
166 fdoc_new = in_doc.FDFExtract(PDFDoc::E_both)
167 XFDF_str = fdoc_new.SaveAsXFDF()
168 puts "Extracted XFDF: "
169 puts XFDF_str
170 in_doc.Close()
171 puts "Extract complete."
172
173 # Example 5
174 # Read FDF files directly
175
176 doc = FDFDoc.new(output_path + "form1_filled_data.fdf")
177
178 itr = doc.GetFieldIterator()
179 while itr.HasNext() do
180 puts "Field name: " + itr.Current().GetName()
181 puts "Field partial name: " + itr.Current().GetPartialName()
182 puts "------------------------------"
183 itr.Next()
184 end
185
186 doc.Close()
187 puts "Done."
188
189 # Example 6
190 # Direct generation of FDF
191 doc = FDFDoc.new()
192
193 # Create new fields (i.r. key/value pairs
194 doc.FieldCreate("Company", Field::E_text, "PDFTron Systems")
195 doc.FieldCreate("First Name", Field::E_text, "John")
196 doc.FieldCreate("Last Name", Field::E_text, "Doe")
197
198 doc.Save(output_path + "sample_output.fdf")
199 doc.Close()
200 PDFNet.Terminate
201 puts "Done. Results saved in sample_output.fdf"
1'---------------------------------------------------------------------------------------
2' Copyright (c) 2001-2024 by Apryse Software Inc. All Rights Reserved.
3' Consult legal.txt regarding legal and license information.
4'---------------------------------------------------------------------------------------
5Imports System
6
7Imports pdftron
8Imports pdftron.Common
9Imports pdftron.SDF
10Imports pdftron.FDF
11Imports pdftron.PDF
12
13Module FDFTestVB
14 Dim pdfNetLoader As PDFNetLoader
15 Sub New()
16 pdfNetLoader = pdftron.PDFNetLoader.Instance()
17 End Sub
18
19 '---------------------------------------------------------------------------------------
20 ' PDFNet includes full support for FDF (Forms Data Format) and for merging/extracting
21 ' forms data (FDF) with/from PDF. This sample illustrates basic FDF merge/extract functionality
22 ' available in PDFNet.
23 '---------------------------------------------------------------------------------------
24 Sub Main()
25
26 PDFNet.Initialize(PDFTronLicense.Key)
27
28 ' Relative path to the folder containing test files.
29 Dim input_path As String = "../../../../TestFiles/"
30 Dim output_path As String = "../../../../TestFiles/Output/"
31
32 ' Example 1)
33 ' Iterate over all form fields in the document. Display all field names.
34 Try
35 Using doc As PDFDoc = New PDFDoc(input_path + "form1.pdf")
36 doc.InitSecurityHandler()
37
38 Dim itr As FieldIterator = doc.GetFieldIterator()
39 While itr.HasNext()
40 Console.WriteLine("Field name: {0:s}", itr.Current().GetName())
41 Console.WriteLine("Field partial name: {0:s}", itr.Current().GetPartialName())
42
43 Console.Write("Field type: ")
44 Dim type As Field.Type = itr.Current().GetType()
45 If type = Field.Type.e_button Then
46 Console.WriteLine("Button")
47 ElseIf type = Field.Type.e_check Then
48 Console.WriteLine("Check")
49 ElseIf type = Field.Type.e_radio Then
50 Console.WriteLine("Radio")
51 ElseIf type = Field.Type.e_text Then
52 Console.WriteLine("Text")
53 ElseIf type = Field.Type.e_choice Then
54 Console.WriteLine("Choice")
55 ElseIf type = Field.Type.e_signature Then
56 Console.WriteLine("Signature")
57 ElseIf type = Field.Type.e_null Then
58 Console.WriteLine("Null")
59 End If
60 Console.WriteLine("------------------------------")
61 itr.Next()
62 End While
63 End Using
64 Console.WriteLine("Done.")
65 Catch e As Exception
66 Console.WriteLine("Exception caught:\n{0}", e)
67 End Try
68
69 ' Example 2) Import XFDF into FDF, then merge data from FDF into PDF
70 Try
71 ' XFDF to FDF
72 ' form fields
73 Console.WriteLine("Import form field data from XFDF to FDF.")
74
75 Dim fdf_doc1 As FDFDoc = new FDFDoc(FDFDoc.CreateFromXFDF(input_path + "form1_data.xfdf"))
76 fdf_doc1.Save(output_path + "form1_data.fdf")
77
78 ' annotations
79 Console.WriteLine("Import annotations from XFDF to FDF.")
80
81 Dim fdf_doc2 As FDFDoc = new FDFDoc(FDFDoc.CreateFromXFDF(input_path + "form1_annots.xfdf"))
82 fdf_doc2.Save(output_path + "form1_annots.fdf")
83
84 ' FDF to PDF
85 ' form fields
86 Console.WriteLine("Merge form field data from FDF.")
87
88 Using doc As PDFDoc = New PDFDoc(input_path + "form1.pdf")
89 doc.InitSecurityHandler()
90 doc.FDFMerge(fdf_doc1)
91
92 ' Refreshing missing appearances is not required here, but is recommended to make them
93 ' visible in PDF viewers with incomplete annotation viewing support. (such as Chrome)
94 doc.RefreshAnnotAppearances()
95
96 doc.Save(output_path + "form1_filled.pdf", SDF.SDFDoc.SaveOptions.e_linearized)
97
98 ' annotations
99 Console.WriteLine("Merge annotations from FDF.")
100
101 doc.FDFMerge(fdf_doc2)
102 ' Refreshing missing appearances is not required here, but is recommended to make them
103 ' visible in PDF viewers with incomplete annotation viewing support. (such as Chrome)
104 doc.RefreshAnnotAppearances()
105 doc.Save(output_path + "form1_filled_with_annots.pdf", SDF.SDFDoc.SaveOptions.e_linearized)
106 End Using
107
108 Console.WriteLine("Done.")
109 Catch e As Exception
110 Console.WriteLine("Exception caught:\n{0}", e)
111 End Try
112
113 ' Example 3) Extract data from PDF to FDF, then export FDF as XFDF
114 Try
115 ' PDF to FDF
116 Using in_doc As PDFDoc = New PDFDoc(output_path + "form1_filled_with_annots.pdf")
117 in_doc.InitSecurityHandler()
118
119 ' form fields only
120 Console.WriteLine("Extract form fields data to FDF.")
121
122 Dim doc_fields As FDFDoc = in_doc.FDFExtract(PDF.PDFDoc.ExtractFlag.e_forms_only)
123 doc_fields.SetPdfFileName("../form1_filled_with_annots.pdf")
124 doc_fields.Save(output_path + "form1_filled_data.fdf")
125
126 ' annotations only
127 Console.WriteLine("Extract annotations to FDF.")
128
129 Dim doc_annots As FDFDoc = in_doc.FDFExtract(PDF.PDFDoc.ExtractFlag.e_annots_only)
130 doc_annots.SetPdfFileName("../form1_filled_with_annots.pdf")
131 doc_annots.Save(output_path + "form1_filled_annot.fdf")
132
133 ' both form fields and annotations
134 Console.WriteLine("Extract both form fields and annotations to FDF.")
135
136 Dim doc_both As FDFDoc = in_doc.FDFExtract(PDF.PDFDoc.ExtractFlag.e_both)
137 doc_both.SetPdfFileName("../form1_filled_with_annots.pdf")
138 doc_both.Save(output_path + "form1_filled_both.fdf")
139
140 ' FDF to XFDF
141 ' form fields
142 Console.WriteLine("Export form field data from FDF to XFDF.")
143
144 doc_fields.SaveAsXFDF(output_path + "form1_filled_data.xfdf")
145
146 ' annotations
147 Console.WriteLine("Export annotations from FDF to XFDF.")
148
149 doc_annots.SaveAsXFDF(output_path + "form1_filled_annot.xfdf")
150
151 ' both form fields and annotations
152 Console.WriteLine("Export both form fields and annotations from FDF to XFDF.")
153
154 doc_both.SaveAsXFDF(output_path + "form1_filled_both.xfdf")
155 End Using
156 Console.WriteLine("Done.")
157 Catch e As Exception
158 Console.WriteLine("Exception caught:\n{0}", e)
159 End Try
160
161 ' Example 4) Merge/Extract XFDF into/from PDF
162 Try
163 ' Merge XFDF from string
164 Using in_doc As PDFDoc = New PDFDoc(input_path + "numbered.pdf")
165 in_doc.InitSecurityHandler()
166
167 Console.WriteLine("Merge XFDF string into PDF.")
168 Dim str As String = "<?xml version=""1.0"" encoding=""UTF-8"" ?><xfdf xmlns=""http://ns.adobe.com/xfdf"" xml:space=""preserve""><square subject=""Rectangle"" page=""0"" name=""cf4d2e58-e9c5-2a58-5b4d-9b4b1a330e45"" title=""user"" creationdate=""D:20120827112326-07'00'"" date=""D:20120827112326-07'00'"" rect=""227.7814207650273,597.6174863387978,437.07103825136608,705.0491803278688"" color=""#000000"" interior-color=""#FFFF00"" flags=""print"" width=""1""><popup flags=""print,nozoom,norotate"" open=""no"" page=""0"" rect=""0,792,0,792"" /></square></xfdf>"
169
170 Dim fdoc As FDFDoc = New FDFDoc(FDFDoc.CreateFromXFDF(str))
171 in_doc.FDFMerge(fdoc)
172 in_doc.Save(output_path + "numbered_modified.pdf", SDF.SDFDoc.SaveOptions.e_linearized)
173 Console.WriteLine("Merge complete.")
174
175 ' Extract XFDF as string
176 Console.WriteLine("Extract XFDF as a string.")
177 Dim fdoc_new As FDFDoc = in_doc.FDFExtract(PDF.PDFDoc.ExtractFlag.e_both)
178 Dim XFDF_str As String = fdoc_new.SaveAsXFDF()
179 Console.WriteLine("Extracted XFDF: ")
180 Console.WriteLine(XFDF_str)
181 End Using
182 Console.WriteLine("Extract complete.")
183
184 Catch e As Exception
185 Console.WriteLine("Exception caught:\n{0}", e)
186 End Try
187
188 ' Example 5) Read FDF files directly
189 Try
190 Dim doc As FDFDoc = New FDFDoc(output_path + "form1_filled_data.fdf")
191
192 Dim itr As FDFFieldIterator = doc.GetFieldIterator()
193 While itr.HasNext()
194 Console.WriteLine("Field name: {0:s}", itr.Current().GetName())
195 Console.WriteLine("Field partial name: {0:s}", itr.Current().GetPartialName())
196 Console.WriteLine("------------------------------")
197 itr.Next()
198 End While
199
200 Console.WriteLine("Done.")
201 Catch e As Exception
202 Console.WriteLine("Exception caught:\n{0}", e)
203 End Try
204
205 ' Example 6) Direct generation of FDF.
206 Try
207 Dim doc As FDFDoc = New FDFDoc
208
209 ' Create new fields (i.e. key/value pairs).
210 doc.FieldCreate("Company", Int(Field.Type.e_text), "PDFTron Systems")
211 doc.FieldCreate("First Name", Int(Field.Type.e_text), "John")
212 doc.FieldCreate("Last Name", Int(Field.Type.e_text), "Doe")
213 ' ...
214
215 ' doc.SetPdfFileName("mydoc.pdf");
216 doc.Save(output_path + "sample_output.fdf")
217 Console.WriteLine("Done. Results saved in sample_output.fdf")
218 Catch e As Exception
219 Console.WriteLine("Exception caught:\n{0}", e)
220 End Try
221 PDFNet.Terminate()
222 End Sub
223End Module
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