PDFPageTest.cs 9.7 KB

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  1. using ComPDFKit.PDFDocument;
  2. using System;
  3. using System.Collections;
  4. using System.Collections.Generic;
  5. using System.IO;
  6. using System.Linq;
  7. using System.Text;
  8. using System.Threading.Tasks;
  9. namespace PDFPageTest
  10. {
  11. internal class PDFPageTest
  12. {
  13. static private string outputPath = Path.GetDirectoryName(Path.GetDirectoryName(Path.GetDirectoryName(System.IO.Directory.GetCurrentDirectory()))) + "\\Output\\PDFPageTest";
  14. static void Main(string[] args)
  15. {
  16. #region Perparation work
  17. Console.WriteLine("Running PDFPage test sample…\r\n");
  18. SDKLicenseHelper.LicenseVerify();
  19. CPDFDocument document = CPDFDocument.InitWithFilePath("CommonFivePage.pdf");
  20. if (!Directory.Exists(outputPath))
  21. {
  22. Directory.CreateDirectory(outputPath);
  23. }
  24. #endregion
  25. #region Sample 1: Insert blank page
  26. if (InsertBlankPage(document))
  27. {
  28. Console.WriteLine("Insert blank page done.");
  29. }
  30. else
  31. {
  32. Console.WriteLine("Insert blank page failed.");
  33. }
  34. document.Release();
  35. Console.WriteLine("--------------------");
  36. #endregion
  37. #region Sample 2: Insert PDF page
  38. document = CPDFDocument.InitWithFilePath("CommonFivePage.pdf");
  39. if (InsertPDFPPage(document))
  40. {
  41. Console.WriteLine("Insert PDF page done.");
  42. }
  43. else
  44. {
  45. Console.WriteLine("Insert PDF page failed.");
  46. }
  47. document.Release();
  48. Console.WriteLine("--------------------");
  49. #endregion
  50. #region Sample 3: Split pages
  51. document = CPDFDocument.InitWithFilePath("CommonFivePage.pdf");
  52. if (SplitPages(document))
  53. {
  54. Console.WriteLine("Split page done.");
  55. }
  56. else
  57. {
  58. Console.WriteLine("Split failed.");
  59. }
  60. document.Release();
  61. Console.WriteLine("--------------------");
  62. #endregion
  63. #region Sample 4: Remove pages
  64. document = CPDFDocument.InitWithFilePath("CommonFivePage.pdf");
  65. if (RemovePages(document))
  66. {
  67. Console.WriteLine("Delete even page done.");
  68. }
  69. else
  70. {
  71. Console.WriteLine("Delete even page failed.");
  72. }
  73. document.Release();
  74. Console.WriteLine("--------------------");
  75. #endregion
  76. #region Sample 5: Rotate page
  77. document = CPDFDocument.InitWithFilePath("CommonFivePage.pdf");
  78. if (RotatePage(document))
  79. {
  80. Console.WriteLine("Rotate page done.");
  81. }
  82. else
  83. {
  84. Console.WriteLine("Rotate page failed.");
  85. }
  86. document.Release();
  87. Console.WriteLine("--------------------");
  88. #endregion
  89. #region Sample 6: Repalce pages
  90. document = CPDFDocument.InitWithFilePath("CommonFivePage.pdf");
  91. if (RepalcePages(document))
  92. {
  93. Console.WriteLine("Repalce page done.");
  94. }
  95. else
  96. {
  97. Console.WriteLine("Repalce page failed.");
  98. }
  99. document.Release();
  100. Console.WriteLine("--------------------");
  101. #endregion
  102. #region Sample 7: Extract pages
  103. document = CPDFDocument.InitWithFilePath("CommonFivePage.pdf");
  104. if (ExtractPages(document))
  105. {
  106. Console.WriteLine("Extract page done.");
  107. }
  108. else
  109. {
  110. Console.WriteLine("Extract page failed.");
  111. }
  112. document.Release();
  113. Console.WriteLine("--------------------");
  114. #endregion
  115. Console.WriteLine("Done");
  116. Console.WriteLine("--------------------");
  117. Console.ReadLine();
  118. }
  119. /// <summary>
  120. /// Insert a new page of A4 size at the second page
  121. /// </summary>
  122. /// <param name="document">Regular five page document</param>
  123. static private bool InsertBlankPage(CPDFDocument document)
  124. {
  125. int pageIndex = 1;
  126. int pageWidth = 595;
  127. int pageHeight = 842;
  128. document.InsertPage(pageIndex, pageWidth, pageHeight, "");
  129. Console.WriteLine("Insert PageIndex: {0}", pageIndex);
  130. Console.WriteLine("Size: {0}*{1}", pageWidth, pageHeight);
  131. string path = outputPath + "\\InsertBlankPageTest.pdf";
  132. if (!document.WriteToFilePath(path))
  133. {
  134. return false;
  135. }
  136. Console.WriteLine("Browse the changed file in " + path);
  137. return true;
  138. }
  139. /// <summary>
  140. /// Select pages from other PDF files and insert them into the current document
  141. /// </summary>
  142. /// <param name="document">Regular five page document</param>
  143. static private bool InsertPDFPPage(CPDFDocument document)
  144. {
  145. CPDFDocument documentForInsert = CPDFDocument.InitWithFilePath("Text.pdf");
  146. document.ImportPagesAtIndex(documentForInsert, "1", 1);
  147. string path = outputPath + "\\InsertPDFPPageTest.pdf";
  148. if (!document.WriteToFilePath(path))
  149. {
  150. return false;
  151. }
  152. Console.WriteLine("Browse the changed file in " + path);
  153. return true;
  154. }
  155. /// <summary>
  156. /// Split the current document into two documents according to the first 2 pages and the last 3 pages
  157. /// </summary>
  158. /// <param name="document">Regular five page document</param>
  159. static private bool SplitPages(CPDFDocument document)
  160. {
  161. //Split 1-2 pages
  162. CPDFDocument documentPart1 = CPDFDocument.CreateDocument();
  163. documentPart1.ImportPagesAtIndex(document, "1-2", 0);
  164. string pathPart1 = outputPath + "\\SplitPart1Test.pdf";
  165. if (!documentPart1.WriteToFilePath(pathPart1))
  166. {
  167. return false;
  168. }
  169. Console.WriteLine("Browse the changed file in " + pathPart1);
  170. //Split 3-5 pages
  171. CPDFDocument documentPart2 = CPDFDocument.CreateDocument();
  172. documentPart2.ImportPagesAtIndex(document, "3-5", 0);
  173. string pathPart2 = outputPath + "\\SplitPart2Test.pdf";
  174. if (!documentPart2.WriteToFilePath(pathPart2))
  175. {
  176. return false;
  177. }
  178. Console.WriteLine("Browse the changed file in " + pathPart2);
  179. return true;
  180. }
  181. /// <summary>
  182. /// Remove even-numbered pages from a document
  183. /// </summary>
  184. /// <param name="document">Regular five page document</param>
  185. static private bool RemovePages(CPDFDocument document)
  186. {
  187. ArrayList arr = new ArrayList();
  188. for (int i = 1; i < document.PageCount; i += 2)
  189. {
  190. arr.Add(i);
  191. }
  192. document.RemovePages((int[])arr.ToArray(typeof(int)));
  193. string path = outputPath + "\\RemoveEvenPagesTest.pdf";
  194. if (!document.WriteToFilePath(path))
  195. {
  196. return false;
  197. }
  198. Console.WriteLine("Browse the changed file in " + path);
  199. return true;
  200. }
  201. /// <summary>
  202. /// Rotate the first page 90 degrees clockwise
  203. /// </summary>
  204. /// <param name="document">Regular five page document</param>
  205. static private bool RotatePage(CPDFDocument document)
  206. {
  207. document.RotatePage(0, 1);//Rotation: Rotate 90 degrees per unit
  208. string path = outputPath + "\\RotatePageTest.pdf";
  209. if (!document.WriteToFilePath(path))
  210. {
  211. return false;
  212. }
  213. Console.WriteLine("Browse the changed file in " + path);
  214. return true;
  215. }
  216. /// <summary>
  217. /// Replace the first page of the current document with a page from another document
  218. /// Delete the pages that need to be replaced first
  219. /// Insert the required pages into the document
  220. /// </summary>
  221. /// <param name="document">Regular five page document</param>
  222. static private bool RepalcePages(CPDFDocument document)
  223. {
  224. int[] pageArr = new int[1];
  225. pageArr[0] = 0;
  226. document.RemovePages(pageArr);
  227. CPDFDocument documentForInsert = CPDFDocument.InitWithFilePath("Text.pdf");
  228. document.ImportPagesAtIndex(documentForInsert, "1", 0);
  229. string path = outputPath + "\\RepalcePagesTest.pdf";
  230. if (!document.WriteToFilePath(path))
  231. {
  232. return false;
  233. }
  234. Console.WriteLine("Browse the changed file in " + path);
  235. return true;
  236. }
  237. /// <summary>
  238. /// Extract pages from a document
  239. /// Create a new document
  240. /// Insert the required pages into a new document
  241. /// </summary>
  242. /// <param name="document">Regular five page document</param>
  243. static private bool ExtractPages(CPDFDocument document)
  244. {
  245. CPDFDocument extractDocument = CPDFDocument.CreateDocument();
  246. extractDocument.ImportPagesAtIndex(document, "1", 0);
  247. string path = outputPath + "\\ExtractPagesTest.pdf";
  248. if (!extractDocument.WriteToFilePath(path))
  249. {
  250. return false;
  251. }
  252. Console.WriteLine("Browse the changed file in " + path);
  253. return true;
  254. }
  255. }
  256. }