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Version 1.0.2

  • Fixed #275, #276
  • PdfTokenizer: Fixed free-after-use after failing to parse content while reading literal tokens
  • PdfFont: Improved heursitic for word spacing
  • PdfDifferenceEncoding: Fixed handling of ligatures in AGL character names
  • PdfXMPPAcket: Make GetDescription() const correct
  • PdfMemDocument: Fixed upgrade to PDF2.0 in a incremental update

Version 1.0.1

  • Fixed #265, #264
  • Fixed several issues related to use of nullable<std::unique_ptr<T>>
  • XMP: Fixed removing extension from extension bag
  • XMP: Fix double inserting pdfuaid schema
  • Text extraction fixes: improved word spacing heuristic, space trimming in ligatures, text in XObject form with non identity matrix
  • Fixed pkg-config for shared built library

Version 1.0.0

  • Added support for Type1, CFF and OpenType CFF font subsetting
  • Added support for Type3 font subsetting (no encoding subsetting, yet)
  • Implemented full "Adobe Glyph List" specification (https://github.com/adobe-type-tools/agl-specification) for text extraction and glyph selection
  • Implemented full Type1, TrueType font glyph selection
  • Many fixes in TrueType legacy subsetting
  • Added support for PDF/UA preserving when adding annotations/form fields
  • Improved PDF/A preserving (eg. when PDF/UA level is set as well in the XMP metadata)
  • Added support for automatically rotating imported images drawn on a PdfPainter when a orientation is detected in the source image codec metadata. Currently supported on Tiff images only (Jpeg exif metadata support pending)
  • Added high-level signing API, see PdfSignerCMS and TestSignature1 test case
  • Added support for signing encrypted documents
  • Added support for preserving encryption among savings
  • Removed Libidn dependency, default to AESV3R6 encryption
  • Added support for predefined CMap(s) for improved CJK text extraction
  • Added much better CMake integration
  • Added raw rectangle corners retrieval in PdfAnnotation, PdfPage
  • PdfDocument: Added GetFieldsIterator()
  • PdfPage: Added GetFieldsIterator()
  • PdfSignature: Added TryGetPreviousRevision()
  • PdfCanvas: Added CopyContentsTo()
  • FileStreamDevice now uses again C stdio for better performance
  • PdfName:
    • Optimized for struct size and construction from string const literal
    • Added PdfName operator""_nm(const char*, size_t)
  • PdfString:
    • Optimized for struct size
    • Added std::string&& constructor
  • PdfVariant: Optimized for accessing PdfString, PdfName and PdfReference
  • Reviewed PdfFileSpec, PdfAction, PdfDestination API and their usage in PdfOutlineItem, PdfOutlines, PdfAnnotationActionBase, PdfAnnotationLink, PdfAnnotationFileAttachment
  • Reviewed PdfExtension API
  • Reviewed PdfNameTree, renamed to PdfNameTrees and added PdfNameTree to pick specific trees with typed element
  • Reviewed PdfExtGState
  • Reviewed PdfTilingPattern, PdfShadingPattern, PdfFunction: the API now exposes the full capabilities of the PDF specification
  • PdfEncrypt is now stateless: added PdfEncryptContext as a separate state context and used as argument in PdfEncrypt methods
  • Set PdfSignature to have correct /ByteRange and /Contents after signing with PoDoFo::SignDocument
  • Added PdfNames and moved all known names there from PdfName
  • PdfPageCollection: Methods creating pages now takes PdfPageSize or default inferred size from doc
  • Fixed PdfStreamedDocument, see #88
  • Tons of API improvements (see API-MIGRATION.md)
  • Tons of other bug fixes

Version 0.10.5

  • Fix #191, #197, #201, #212, #233, #241, #251, #252, #253
  • PdfParser: Fixed stack overflow parsing documents with many XRef stream updates
  • PdfFont: Fixed GetBoundingBox() retrival
  • PdfFontMetricsObject: Fixed reading /FontBBox
  • PdfEncodingFactory: Fixed parsing of limits with /FirstChar equals to /LastChar
  • PdfFontMetricsStandard14: Fixed parsing /Widths
  • PdfMetadata: Fixed missing init ensure for SetAuthor()
  • PdfTokenizer: Fixed character escaping when reading strings
  • PdfPageCollection: Fix memory leak in RemovePageAt
  • Compilation and linking fixes in various conditions
  • PdfFontManager: Fixed GetOrCreateFontFromBuffer stealing memory
  • PdfPageCollection: Disable copy/assignment
  • PdfPage_TextExtraction: Fix decodeString with no font
  • Fix eating of non-space chars in SplitTextAsLines
  • Fix FreeType segfault race condition
  • PdfCheckBox: Fixed IsChecked()
  • PdfParser: Uncondtionally try to read XRef stream in all PDFs that doesn't have a cross reference section

Version 0.10.4

  • Fixes #161, #162, #167, #183, merges #157
  • StandardStreamDevice: Fixed seek() in case of iostream/fstream
  • PdfWriter: Fixed computing the doc identifier with a wrong buffer
  • PdfPainter: Fix SetCurrentMatrix() to really update CTM
  • Fixed compilation in mingw < 12
  • PdfCIDToGIDMap: Fixed map reading
  • PdfPainter: Fixed offset on multiline text if text is not left aligned

Version 0.10.3

  • Fixed big performance regression introduced in 0.10, see #108
  • Fixed data loss with encrypted documents, see #99
  • Fixed compilation with VS2022 >= 17.8
  • Fixed compilation using libxml >= 2.12.0

Version 0.10.2

  • Security related bugfixes #76, #89, #96
  • Some compilation and test fixes

Version 0.10.1

  • Security bugfixes, #66, #67, #69, #70, #71, #72
  • Rewritten PdfPageCollection for performance
  • PdfCMapEncoding: Fix parsing some invalid CMap(s) supported by Acrobat
  • PdfXRefStreamParserObject: Fixed handling of invalid XRef stream entries
  • Support compilation of the library header (not the library itself) with C++20

Version 0.10.0

  • PdfPage/PdfAnnotationCollection/PdfAnnotation: Now functions with rect input assume it to be using the canonical coordinate system with no rotation
  • PdfImage: Added support for CYMK jpeg
  • PdfParser: Cleaned FindToken2 -> FindTokenBackward
  • Renamed base source folder -> main
  • PdfPainter: Revamped API, added full state inspection with current point, added added PdfPainterTextContext to handle text object operations Use it with PdfPainter::Text instance member. Added PdfContentStreamOperators low level interface for PdfPainter
  • PdfFontMetrics: Added FilePath/FaceIndex for debugging, when available
  • PdfFont: Renamed GetStringLength() overloads with PdfString to GetEncodedStringLength()
  • PdfFontManager: Renamed GetFont() -> SearchFont() Re-Added better GetOrCreateFont() from file/buffer
  • PdfEncrypt: Cleaned factory methods
  • Added PdfArray::FindAtAs(), PdfArray::FindAtAsSafe(), PdfArray::TryFindAtAs(), PdfArray::GetAtAs(), PdfArray::GetAtAsSafe(), PdfArray::TryGetAtAs()
  • Added PdfDictionary::FindKeyAsSafe() and PdfDictionary::TryFindKeyAs()
  • PdfDictionary::AddKeyIndirect/PdfArray::AddKeyIndirect accepts a reference
  • PdfAnnotation/PdfField API review
  • PdfDate: Introduced PdfDate::LocalNow() and PdfDate::UtcNow() and default constructor is epoch time instead
  • Renamed PdfDocument::GetNameTree() -> GetNames()
  • PdfObject: Flate compress on write objects that have no filters
  • PdfMemDocument does collect garbage by default when saving
  • PdfField/PdfAnntation: Fully reworked the hierarchy and added proper fields ownership
  • Added PdfField::GetParent(), PdfField::GetChildren()
  • PdfImage: Cleaned/reviewed/fixed SetData()/SetDataRaw()
  • Renamed PdfPageTree -> PdfPageCollection
  • Added XMP metadata reading/saving. Added PdfMetadata class
  • Added text extraction API
  • Review I/O API: Merged InputDevice/OutputDevice into StreamDevice. New hierarchy deriving StreamDevice
  • Reviewed PdfObjectStream API: added streaming operations, GetInputStream(), GetOutputStream(). Renamed GetFilteredCopy() -> GetUnwrappedCopy()/UnwrapTo(). They only unwrap non media filters (see PdfImage::DecodeTo for media ones). Added proper copy and move assignment operators
  • PdfImage: Added DecodeTo(pixelFormat)

Version 0.9.22 (pdfmm)

  • Fixed serialization of strings with non ASCII PdfDocEncoding characters
  • Removed PdfLocaleImbue
  • PdfEncrypt: Removed PdfReference state. Added PdfStatefulEncrypt
  • Removed use of std::ostringstream. Added efficient outstringstream
  • Added PdfMath functionalities (matrix transformations and so on)

Version 0.9.21 (pdfmm)

  • Fixed serialization of UTF-16BE strings
  • More lenient PdfDate parsing

Version 0.9.20 (pdfmm)

  • The project is now a C++17 library
  • Added move semantics for PdfVariant, PdfObject, PdfArray, PdfDictionary
  • Improved XRefStream support, added support in incremental saves
  • Many fixes in save incremental object/generation number incrementing
  • PdfString backed with UTF-8 storage
  • PdfName backed with UTF-8 storage
  • Brand new PdfEncoding class with support for both /Encoding and /ToUnicode, more complete Unicode support
  • Added a PdfDynamicEncoding class that creates a custom CID encoding based on actual used glyphs used
  • Automatic creation of CIDMap and /ToUnicode
  • Added PdfSigner class and SignDocument()
  • Added PdfFontType1Encoding, which support Type1 implicit encoding
  • Added support for PDF 2.0 UTF-8 strings (untested)
  • Added indirect iteration for PdfArray/PdfDictionary (see GetIndirectIterator methods)
  • Added PdfDocument::GetPdfALevel()
  • Added PDFA preserving writing
  • Refactored/Reviewed PdfInputDevice: versions that take buffer do not copy it (use istringviewstream)
  • Added font replacement facility PdfFont::TryCreateFontSubstitute()
  • Added standard14 fonts embedding, with font programs from PDFium
  • Reviewed PdfXObject hierarchy, added PdfXObjectForm, PdfXObjectPostScript
  • Added PdfTextState and use it to compute string widths in PdfFont
  • Improved PdfDocEncoding to expose conversion utf8 conversion facilities
  • PdfParser: Support also files with whitespace offset before magic start
  • PdfObject auto ownership
  • PdfContents: create on demand /Contents. First create a single stream, after array
  • Improved IsDirty handling: less dirty bit sets
  • Added PdfPostScriptTokenizer that as better general support for PostScript
  • PdfDictionary: Reviewed/convert GetKey -> FindKey
  • PdfDictionary: Reviewed GetKeyAs methods
  • Fixed hundreds of warnings. No warnings left in tested builds
  • FontConfigManager: better handling with custom configurations
  • Removed PdfMutex. Used std::mutex where necessary
  • Datatypte: removed PdfDataType::HexString
  • Removed support for old compilers (MSVC6, hpux, borland, turbo...)
  • Added better endian swap functions
  • Removed auto_ptr usage
  • Removed pdf_int/pdf_uint types
  • Removed use of pdf_long/long types
  • Removed use of ptrdiff_t
  • Removed unistring and ugly string conversion code. Moved to utfcpp
  • Reviewed PdfObject::GetNumber/PdfObject::GetReal (strict/lenient)
  • Remove PdfObject inheritance on PdfVariant
  • Reviewed PdfVariant/PdfObject/PdfArray/PdfDictionary equality/disequality operators
  • Simplified copyright headers
  • Object copy constructor must copy also stream
  • PdfElement: GetDocument(), GetObject() refs
  • PdfIndirectObjectList: GetParentDocument() -> GetDocument()
  • Remove PdfSignOutputDevice::SetSignatureSize(size)
  • Moved inline code to .cpp
  • Remove comments on overrides
  • Cleaned CMakeFiles (removed custom Find<>.cmake)
  • NULL -> nullptr
  • Use std::shared_ptr in PdfFontMetrics, PdfEncoding in PdfFont
  • Cleaned PdfFontCache (renamed PdfFontManager), removed font functions from PdfDocument
  • PdfArray::FindAt() return ref
  • Simplified license headers
  • Reviewed PdfPageTree and PdfPageTreeCache API
  • Reviewed most int vs unsigned indexing
  • Remove all hungarian notation
  • Sanitize code style
  • Removed all const char* and passed to string/string_view
  • Renamed PdfFontCache -> PdfFontManager
  • Renamed PdfVecObjects -> PdfIndirectObjectList
  • Renamed PdfNamesTree -> PdfNameTree
  • Renamed PdfPagesTree -> PdfPageTree
  • Renamed PdfPagesTreeCache -> PdfPageTreeCache
  • PdfObject: removed GetIndirectObject(), MustGetIndirectKey (must use PdfDictionary now)
  • Remove PdfMemoryManagement.cpp, Removed podofo_new, podofo_free
  • Add chars type for char array storage/buffering which inerits string
  • Review pointer vs ref parameters/return types
  • Removed PdfRefCountedBuffer, PdfRefCountedInputDevice, PdfRefCountedOutputDevice
  • Removed PdfMemoryManagement and all C style malloc/free usage
  • Refactored PdfOutputDevice (PdfMemoryOutputDevice/PdfFileOutputDevice/etc.)
  • Clean PdfError, remove wchar_t
  • Remove printf, snprintf
  • Renamed PdfElement-> {PdfDictionaryElement|PdfArrayElement} that respectively have GetDictionary(), GetArray()
  • Reviewed PdfWriteFlags, added PdfSaveOptions

Old PoDoFo ChangeLog

Version 0.7

  • Fixed PdfPainter::ArcTo
  • Fixed crash in FlateDecode and LZWDecode predictor functions
  • Fixed writing of unicode PdfStrings with brackets (will be escaped now)
  • Fixed encoding of bytes in PdfName
  • Added many new unit tests
  • Added methods to free object memory of objects that are not needed
  • anymore (These objects will be re-read from disk if they are needed again)
  • Fixed a crash when appending PDFs
  • Added unicode support on Win32 (wchar_t* constructors and methods
  • where apropriate, e.g. file handling)
  • Fixed a memory leak in PdfStream
  • Small optimizations in various places
  • Fixed DCTDecode filter for CMYK images
  • PdfReference is now immutable, which allows for various optimizations
  • Fixed PdfInputDevice::Read to return now the correct number of bytes read
  • Fixed a memory leak in PdfImmediateWriter/PdfStreamedDocument
  • Fixed several minor parsing issues
  • Fixed adding text to existing pages
  • Added Lua5.1 plan file support to podofoimpose
  • Several fixes in creating XObjects from pages
  • Fixed a possible crash in PdfNamesTree
  • Added support for setting colors in PdfAnnotations
  • Added advanced text drawing support to PdfPainter
  • Fixed parsing of Type1 fonts
  • Fixed deletion of PdfAnnations (fixes a memory leak)

Version 0.5

  • Added support for Embedded Files (annotations & named objects)
  • Added support for ExtGStates when drawing initially only supports basic transparency
  • Fixed reading values from nametrees
  • Added support for named destinations
  • Fixed a memory leak in PdfDestination::GetPage
  • Pages do not know their page number inside of the document
  • Fixed reading PdfActions from PDF files
  • Moved filter implementations to PdfFiltersPrivate.h
  • Added PdfFilter::CanEncode and PdfFilter::CanDecode
  • Simpliefid PoDoFos handling of XRef tables

Version 0.4

  • PdfImage now supports creating an image stream from a "raw bitmap" which can also be optionally Flate compressed
  • Added some new Page-related methods to PdfDocument:
    • Append - append one document to another
    • InsertPages - insert a range of pages from one document to another
    • DeletePages - delete a range of pages
  • Added new tool podofomerge for merging two PDFs together
  • Added methods to get & set a document's PageMode
  • Added methods to set a document's FullScreen mode
  • Added methods to set all the various ViewerPreferences for a document
  • Added methods to set the document's PageLayout
  • Added Outline support modified podofoinfo to display them, if present
  • Added a PdfDestination class
  • Added PdfNamesTree class for handling the global named objects modified podofoinfo to display them, if present
  • PdfPainter can draw bezier curves
  • Added XCode project for building on Mac OS X fixed up conditionals in font code to enable building on MacOSX - but no font loading, YET
  • Added support for writing linearized PDF
  • Added support for garbage collection of unused objects
  • Simplified PdfObject constructor
  • Improved annotation support
  • Added support to encode names and various name testcases
  • Fixed ascent and descent of fonts
  • Improved PdfImage API
  • Added support for the creation of file identifiers which makes PoDoFo created PDF files work in more different PDF workflows
  • PdfImage optionally takes ownership of buffers
  • Fixed a major parser bug: The parser expected all objects in object streams to be of type dictionary.

Version 0.3

  • TOTAL revamp of PdfObject & PdfVariant to enable clean/consistent object handling; Added new PdfDocument object - new high level object for reading & writing a PDF doc;
  • TOTAL revamp of the PdfDocument, PdfWriter & PdfParser relationship PdfDocument is now hub for both reading and writing a document it holds the PdfVecObjects - the others just reference them.
  • TOTAL revamp of PdfPainter
    • now uses PDF coordinates - UserUnits from bottom/left added PdfPainterMM for mm-based coords
    • supports user-specified float precision and writes out floats in an optimal manner
    • supports "appending" mode for drawing on existing documents
  • Improved handling of the /Info dict for both reading and writing PDFs;
  • Added new test app - podofopdfinfo, which will be used to dump metadata, etc. from a PDF;
  • Added PdfError::DebugMessage() as the official way to write out debugging info; updated all other debugging msgs to use this;
  • Added PdfError::DebugEnabled() to enable/disable display of debug messages;
  • Added tracking of file size in PdfParser;
  • Minor tweak to Linearization handling - to enable getting the status from a doc;
  • Added getting GetPdfVersionAsString() to PdfWriter;
  • Added new info/object getting methods to PdfDocument:
    • bool IsLinearized();
    • size_t FileSize();
    • PdfObject* GetStructTreeRoot();
    • PdfObject* GetMetadata();
    • PdfObject* GetOutlines();
    • PdfObject* GetAcroForm().
  • Updated pdfinfo & podofopdfinfo to call the new PdfDocument methods;
  • Added PdfDictionary and PdfArray classes;
  • Added new PdfPagesTree (inside of PdfDocument.cpp) for handling walking a /Pages tree;
  • Added new GetPageCount() method to PdfDocument;
  • Modifications to PdfPage to attach it to a PdfDocument & construct from a PdfObject;
  • Added new Legal and A3 standard page sizes;
  • Changed page coordinates to be PDF unit-based instead of 1/1000mm;
  • Changed PdfRect to use PDF units and also use bottom instead of top;
  • Added ability to go between PdfRect and PdfArray & also get string version of a PdfRect;
  • Added support for PdfPage to return all the standard boxes (Media, Crop, etc);
  • Added support for fetching inherited values from pages (eg. boxes, rotation, etc.)
  • Added more methods to PdfPage:
    • GetRotation();
    • GetNumAnnots().
  • Use Exceptions now instead of error codes;
  • Removed Init from PdfOutputDevice;
  • Removed Init from PdfParser;
  • Added LZW Filter support;
  • Added PdfElement as base class for PdfAction, PdfAnnotation and
  • PdfPage;
  • Fixed podofoimageextract, podofotxt2pdf and podofopdfinfo;
  • Removed PdfSimpleWriter in favour of PdfDocument;
  • Headers are now installed in includedir/podofo/;
  • Added a new WatermarkTest demonstrates how to read an existing PDF and draw on each page.

Version 0.2

  • Improved Documentation;
  • Added SetInformation for additional error information to PdfError;
  • Fixed the underline color of text;
  • Introduced PdfReference class;
  • Fixed PdfStream::GetFilteredCopy;
  • Improved handling of DecodeParms for filters;
  • Fixed PDF files with more than one DecodeParms dictionary in one object;
  • Added on demand loading of objects to the PdfParser;
  • Ported to windows by Leonard Rosenthol;
  • On demand loading of objects is now the default;
  • Refactored PdfFilter interface so that filters are cached;
  • Fixed multiple connected XRef tables through /Prev keys in the trailer;
  • Fixed a number of compiler warnings;
  • Replaced char*'s with std::strings in a number of classes;
  • Added std::ostream support to PdfOutputDevice;
  • Improvements to the ImageExtractor tool;
  • Refactored PdfVariant so that it is easier to use.

Version 0.1 (11 June 2006)

  • Initial release.