> Aspose.PDF for Go via C++ allows developers manipulate them PDF files directly in the Go. # Types ## Document Document represents a PDF-document. ```go type Document struct { } ``` # Functions ## Convert from PDF functions | Function | Description | | -------- | ----------- | | [SaveDocX](./convert/savedocx/) | Convert and save the previously opened PDF-document as DocX-document. | | [SaveDoc](./convert/savedoc/) | Convert and save the previously opened PDF-document as Doc-document. | | [SaveXlsX](./convert/savexlsx/) | Convert and save the previously opened PDF-document as XlsX-document. | | [SaveTxt](./convert/savetxt/) | Convert and save the previously opened PDF-document as Txt-document. | | [SavePptX](./convert/savepptx/) | Convert and save the previously opened PDF-document as PptX-document. | | [SaveXps](./convert/savexps/) | Convert and save the previously opened PDF-document as Xps-document. | | [SaveTeX](./convert/savetex/) | Convert and save the previously opened PDF-document as TeX-document. | | [SaveEpub](./convert/saveepub/) | Convert and save the previously opened PDF-document as Epub-document. | | [SaveBooklet](./convert/savebooklet/) | Convert and save the previously opened PDF-document as booklet PDF-document. | | [SaveNUp](./convert/savenup/) | Convert and save the previously opened PDF-document as N-Up PDF-document. | | [SaveMarkdown](./convert/savemarkdown/) | Convert and save the previously opened PDF-document as Markdown-document. | | [SaveTiff](./convert/savetiff/) | Convert and save the previously opened PDF-document as Tiff-document. | | [SaveDocXEnhanced](./convert/savedocxenhanced/) | Convert and save the previously opened PDF-document as DocX-document with Enhanced Recognition Mode (fully editable tables and paragraphs). | | [SaveSvgZip](./convert/savesvgzip/) | Convert and save the previously opened PDF-document as SVG-archive. | | [ExportFdf](./convert/exportfdf/) | Export from the previously opened PDF-document with AcroForm to FDF-document. | | [ExportXfdf](./convert/exportxfdf/) | Export from the previously opened PDF-document with AcroForm to XFDF-document. | | [ExportXml](./convert/exportxml/) | Export from the previously opened PDF-document with AcroForm to XML-document. | | [PageToJpg](./convert/pagetojpg/) | Convert and save the specified page as Jpg-image. | | [PageToPng](./convert/pagetopng/) | Convert and save the specified page as Png-image. | | [PageToBmp](./convert/pagetobmp/) | Convert and save the specified page as Bmp-image. | | [PageToTiff](./convert/pagetotiff/) | Convert and save the specified page as Tiff-image. | | [PageToSvg](./convert/pagetosvg/) | Convert and save the specified page as Svg-image. | | [PageToPdf](./convert/pagetopdf/) | Convert and save the specified page as Pdf. | | [PageToDICOM](./convert/pagetodicom/) | Convert and save the specified page as DICOM-image. | ## Organize PDF functions | Function | Description | | -------- | ----------- | | [Optimize](./organize/optimize/) | Optimize PDF-document content. | | [OptimizeResource](./organize/optimizeresource/) | Optimize resources of PDF-document. | | [Grayscale](./organize/grayscale/) | Convert PDF-document to black and white. | | [Rotate](./organize/rotate/) | Rotate PDF-document. | | [SetBackground](./organize/setbackground/) | Set PDF-document background color. | | [Repair](./organize/repair/) | Repaire PDF-document. | | [ReplaceText](./organize/replacetext/) | Replace text in PDF-document. | | [AddPageNum](./organize/addpagenum/) | Add page number to a PDF-document. | | [AddTextHeader](./organize/addtextheader/) | Add text in Header of a PDF-document. | | [AddTextFooter](./organize/addtextfooter/) | Add text in Footer of a PDF-document. | | [Flatten](./organize/flatten/) | Flatten PDF-document. | | [RemoveAnnotations](./organize/removeannotations/) | Remove annotations from PDF-document. | | [RemoveAttachments](./organize/removeattachments/) | Remove attachments from PDF-document. | | [RemoveBlankPages](./organize/removeblankpages/) | Remove blank pages from PDF-document. | | [RemoveBookmarks](./organize/removebookmarks/) | Remove bookmarks from PDF-document. | | [RemoveHiddenText](./organize/removehiddentext/) | Remove hidden text from PDF-document. | | [RemoveImages](./organize/removeimages/) | Remove images from PDF-document. | | [RemoveJavaScripts](./organize/removejavascripts/) | Remove java scripts from PDF-document. | | [RemoveTables](./organize/removetables/) | Remove tables from PDF-document. | | [RemoveWatermarks](./organize/removewatermarks/) | Remove watermarks from PDF-document. | | [AddWatermark](./organize/addwatermark/) | Add watermark to PDF-document. | | [EmbedFonts](./organize/embedfonts/) | Embed fonts a PDF-document. | | [UnembedFonts](./organize/unembedfonts/) | Unembed fonts a PDF-document. | | [OptimizeFileSize](./organize/optimizefilesize/) | Optimize size of PDF-document with image compression quality. | | [RemoveTextHeaders](./organize/removetextheaders/) | Remove text headers from PDF-document. | | [RemoveTextFooters](./organize/removetextfooters/) | Remove text footers from PDF-document. | | [Crop](./organize/crop/) | Crop pages of a PDF-document. | | [ReplaceFont](./organize/replacefont/) | Replace font in a PDF-document. | | [Convert](./organize/convert/) | Convert a PDF-document into a PDF-document with the specified PDF format. | | [Validate](./organize/validate/) | Validate a PDF-document for compliance with the PDF format. | | [RemovePdfaCompliance](./organize/removepdfacompliance/) | Remove PDF/A compliance from a PDF-document. | | [RemovePdfUaCompliance](./organize/removepdfuacompliance/) | Remove PDF/UA compliance from a PDF-document. | | [IsPdfaCompliant](./organize/ispdfacompliant/) | Get is a PDF-document PDF/A compliant. | | [IsPdfUaCompliant](./organize/ispdfuacompliant/) | Get is a PDF-document PDF/UA compliant. | | [ReversePages](./organize/reversepages/) | Reverse the order of pages in PDF-document. | | [ReorderPages](./organize/reorderpages/) | Reorder pages in PDF-document. | | [PageRotate](./organize/pagerotate/) | Rotate page. | | [PageSetSize](./organize/pagesetsize/) | Set size of page. | | [PageGrayscale](./organize/pagegrayscale/) | Convert page to black and white. | | [PageAddText](./organize/pageaddtext/) | Add text on page. | | [PageReplaceText](./organize/pagereplacetext/) | Replace text on page. | | [PageAddPageNum](./organize/pageaddpagenum/) | Add page number on page. | | [PageAddTextHeader](./organize/pageaddtextheader/) | Add text in page header. | | [PageAddTextFooter](./organize/pageaddtextfooter/) | Add text in page footer. | | [PageRemoveAnnotations](./organize/pageremoveannotations/) | Remove annotations in page. | | [PageRemoveHiddenText](./organize/pageremovehiddentext/) | Remove hidden text in page. | | [PageRemoveImages](./organize/pageremoveimages/) | Remove images in page. | | [PageRemoveTables](./organize/pageremovetables/) | Remove tables in page. | | [PageRemoveWatermarks](./organize/pageremovewatermarks/) | Remove watermarks in page. | | [PageAddWatermark](./organize/pageaddwatermark/) | Add watermark on page. | | [PageRemoveTextHeaders](./organize/pageremovetextheaders/) | Remove text headers in page. | | [PageRemoveTextFooters](./organize/pageremovetextfooters/) | Remove text footers in page. | | [PageCrop](./organize/pagecrop/) | Crop page. | | [PageReplaceFont](./organize/pagereplacefont/) | Replace font in page. | | [PageMergeLayers](./organize/pagemergelayers/) | Merge all layers on the page into a single layer with the specified new layer name. | | [PageLayers](./organize/pagelayers/) | Gets layers' names on page. | ## Core PDF functions | Function | Description | | -------- | ----------- | | [New](./core/new/) | Create a new PDF-document. | | [Open](./core/open/) | Open a PDF-document with filename. | | [Save](./core/save/) | Save the previously opened PDF-document. | | [SaveAs](./core/saveas/) | Save the previously opened PDF-document with new filename. | | [Close](./core/close/) | Release allocated resources for PDF-document. | | [SetLicense](./core/setlicense/) | Set license with filename. | | [ExtractText](./core/extracttext/) | Return the PDF-document contents as plain text. | | [WordCount](./core/wordcount/) | Return word count in PDF-document. | | [CharacterCount](./core/charactercount/) | Return character count in PDF-document. | | [Append](./core/append/) | Append pages from another PDF-document. | | [AppendPages](./core/appendpages/) | Append selected pages from another PDF-document. | | [MergeDocuments](./core/mergedocuments/) | Create a new PDF-document by merging the provided PDF-documents. | | [SplitDocument](./core/splitdocument/) | Create multiple new PDF-documents by extracting pages from the source PDF-document. | | [Split](./core/split/) | Create multiple new PDF-documents by extracting pages from the current PDF-document. | | [SplitAtPage](./core/splitatpage/) | Split the PDF-document into two new PDF-documents. | | [SplitAt](./core/splitat/) | Split the current PDF-document into two new PDF-documents. | | [Bytes](./core/bytes/) | Return the contents of the PDF-document as a byte slice. | | [GetMetaInfo](./core/getmetainfo/) | Get meta information value of PDF-document.. | | [SetMetaInfo](./core/setmetainfo/) | Set meta information value of PDF-document.. | | [ClearMetaInfo](./core/clearmetainfo/) | Clear all meta information values of PDF-document.. | | [IsLinearized](./core/islinearized/) | Get a value indicating whether document is linearized. | | [PageAdd](./core/pageadd/) | Add new page in PDF-document. | | [PageInsert](./core/pageinsert/) | Insert new page at the specified position in PDF-document. | | [PageDelete](./core/pagedelete/) | Delete specified page in PDF-document. | | [PageCount](./core/pagecount/) | Return page count in PDF-document. | | [PageWordCount](./core/pagewordcount/) | Return word count on specified page in PDF-document. | | [PageCharacterCount](./core/pagecharactercount/) | Return character count on specified page in PDF-document. | | [PageIsBlank](./core/pageisblank/) | Return page is blank in PDF-document. | ## Security | Function | Description | | -------- | ----------- | | [OpenWithPassword](./security/openwithpassword/) | Open a password-protected PDF-document. | | [Encrypt](./security/encrypt/) | Encrypt PDF-document. | | [Decrypt](./security/decrypt/) | Decrypt PDF-document. | | [SetPermissions](./security/setpermissions/) | Set permissions for PDF-document. | | [GetPermissions](./security/getpermissions/) | Get current permissions of PDF-document. | | [IsEncrypted](./security/isencrypted/) | Get encrypted status of PDF-document. | | [SignPKCS7](./security/signpkcs7/) | Sign a PDF-document using PKCS#7 digital signatures. | | [SignPKCS7Detached](./security/signpkcs7detached/) | Sign a PDF-document using PKCS#7 Detached digital signatures. | | [IsSigned](./security/issigned/) | Get signed status of PDF-document. | | [RemoveSigns](./security/removesigns/) | Remove signs from PDF-document. | ## Miscellaneous | Function | Description | | -------- | ----------- | | [About](./miscellaneous/about/) | Return metadata information about the Aspose.PDF for Go via C++. | # Types secondary ## ProductInfo contains metadata about the Aspose.PDF for Go via C++. ```go type ProductInfo struct { Product string `json:"product"` // Name Family string `json:"family"` // Family (e.g., "Aspose.PDF") Version string `json:"version"` // Version ReleaseDate string `json:"releasedate"` // Release date in ISO format (YYYY-MM-DD) Producer string `json:"producer"` // Producer IsLicensed bool `json:"islicensed"` // License status (true if licensed) } ``` # Constants ## Enumeration of possible rotation values. ```go const ( RotationNone int32 = 0 // Non-rotated. RotationOn90 int32 = 1 // Rotated on 90 degrees clockwise. RotationOn180 int32 = 2 // Rotated on 180 degrees. RotationOn270 int32 = 3 // Rotated on 270 degrees clockwise. RotationOn360 int32 = 4 // Rotated on 360 degrees clockwise. ) ``` ## Enumeration of possible page size values. ```go const ( PageSizeA0 int32 = 0 // A0 size. PageSizeA1 int32 = 1 // A1 size. PageSizeA2 int32 = 2 // A2 size. PageSizeA3 int32 = 3 // A3 size. PageSizeA4 int32 = 4 // A4 size. PageSizeA5 int32 = 5 // A5 size. PageSizeA6 int32 = 6 // A6 size. PageSizeB5 int32 = 7 // B5 size. PageSizePageLetter int32 = 8 // PageLetter size. PageSizePageLegal int32 = 9 // PageLegal size. PageSizePageLedger int32 = 10 // PageLedger size. PageSizeP11x17 int32 = 11 // P11x17 size. ) ``` ## Enumeration of possible crypto algorithms. ```go type CryptoAlgorithm int32 const ( RC4x40 CryptoAlgorithm = 0 // RC4 with key length 40. RC4x128 CryptoAlgorithm = 1 // RC4 with key length 128. AESx128 CryptoAlgorithm = 2 // AES with key length 128. AESx256 CryptoAlgorithm = 3 // AES with key length 256. ) ``` ## Enumeration of possible PDF formats. ```go type PdfFormat int32 const ( PDF_A_1A PdfFormat = iota // Pdf/A-1a format. PDF_A_1B // Pdf/A-1b format. PDF_A_2A // Pdf/A-2a format. PDF_A_3A // Pdf/A-3a format. PDF_A_2B // Pdf/A-2b format. PDF_A_2U // Pdf/A-2u format. PDF_A_3B // Pdf/A-3b format. PDF_A_3U // Pdf/A-3u format. V_1_0 // Adobe version 1.0. V_1_1 // Adobe version 1.1. V_1_2 // Adobe version 1.2. V_1_3 // Adobe version 1.3. V_1_4 // Adobe version 1.4. V_1_5 // Adobe version 1.5. V_1_6 // Adobe version 1.6. V_1_7 // Adobe version 1.7. V_2_0 // ISO Standard PDF 2.0. PDF_UA_1 // PDF/UA-1 format. PDF_X_1A_2001 // PDF/X-1a-2001 format. PDF_X_1A // PDF/X-1a format. PDF_X_3 // PDF/X-3 format. ZUGFeRD // ZUGFeRD format. PDF_A_4 // PDF/A-4 format. PDF_A_4E // PDF/A-4e format. PDF_A_4F // PDF/A-4f format. PDF_X_4 // PDF/X-4 format. PDF_E_1 // PDF/E-1 (PDF 1.6) format. ) ``` ## Enumeration of possible conversion errors action. ```go type ConvertErrorAction int32 const ( Delete ConvertErrorAction = iota // Delete convert errors. None // Do nothing with convert errors. ) ``` ## Bitflag set representing PDF permission capabilities. ```go type Permissions int32 const ( PrintDocument Permissions = 1 << 2 // 4 ModifyContent Permissions = 1 << 3 // 8 ExtractContent Permissions = 1 << 4 // 16 ModifyTextAnnotations Permissions = 1 << 5 // 32 FillForm Permissions = 1 << 8 // 256 ExtractContentWithDisabilities Permissions = 1 << 9 // 512 AssembleDocument Permissions = 1 << 10 // 1024 PrintingQuality Permissions = 1 << 11 // 2048 ) ```