Version 0.8.2

Improvements:

• Extract embedded grayscale JPEGs
• Glyph widths in extracted fonts are now overwritten by the PDF width data
• If the PDF mapped a glyph to Unicode character 0, the character was not displayed in the exported SVG. All control characters are now redirected to the Private Use Area.

Version 0.8.1

Bug fixes:

• Default character widths of CID fonts were not considered when text was positioned on the page, which caused displaced text.
• Soft hyphens were not visible in exported SVG.

Improvement:

• Added sanitizing of hmtx table in export to OpenType or WOFF font. This lowers the risk that the browser will reject the font.

Version 0.8.0

New features:

• Support for extracting most types of fonts.
• Improved text decoding.
• Interactive mode added to CLI tool.

Bug fixes:

• Images using the average predictor were not properly decoded.
• Encrypted PDFs using object streams could not be opened.
• Char spacing was incorrectly calculated.
• Text spans were sometimes incorrectly positioned when the PDF used negative X coordinate offsets.

Breaking changes:

• DataUriImageResolver class now replaced with property ImageResolver.DataUri.
• Image.ToDataUri renamed to Image.ToDataUrl
• FontResolver.ResolveFont now takes a SourceFont instance as parameter instead of a string.

Version 0.7.0

Improvements

• Support for converting password protected PDFs.
• Support for converting encrypted PDFs with access restrictions (as long as they don't restrict extraction of content).

Breaking changes

• New optional parameter options on PdfDocument.Open.
• EncryptedPdfException removed in favor of InvalidCredentialException and PermissionException.
• PdfConversionException renamed to PdfException.
• Document info properties on PdfDocument moved to separate class, accessible via the property Info on PdfDocument.

Bug fixes

• Fixed unhandled exception when a PDF dictionary contained an integer with a value outside the range of a signed 32-bit integer.
• Fixed various parsing exceptions that could occur if an object stream started at the input file buffer boundary.

Version 0.6.0

Improvements

• Added support for color spaces CalRGB, CalGray, Lab and DeviceN.
• Improved support for opening corrupt PDF files.
• Improved chances that text extraction will succeed.

Version 0.5.0

Improvements

• Improved stability of text extraction of text using TrueType fonts.
• Font detection now works on PDFs created by Microsoft Print to PDF.
• Added support for stencil masks.
• Added support for color key masks.
• Corrected color of rendered image masks.
• Validation of output text before XML serialization to avoid exception due to forbidden characters.

Bug fix

• IndexOutOfRangeException thrown if trying to append clip path with an empty clip path.

Version 0.4.0

Improvements

• Support for constant alpha values

Bug fixes

• Some CSS styles leaked outside the SVG when being embedded in HTML

Breaking changes

• IImageResolver interface replaced with ImageResolver base class.
• IFontResolver interface replaced with FontResolver base class.

Version 0.3.0

Improvements

• Support for .NET 4.0 and .NET Standard 1.6.
• Command line conversion tool.
• Improved support for text stroking.
• Added support for text clipping.
• Added WebFont class that can be used as alternative to LocalFont in IFontResolver.
• Better image duplication detection to avoid converting the same image twice.
• Now distributed as strong named assemblies.
• Small optimizations of generated SVG markup.

Breaking changes

• LocalFont has a new API.

Version 0.2.0

Improvements:

• Conversion is now cancellable by passing a CancellationToken to PdfDocument.Open, PdfPage.ToSvgString and PdfPage.SaveAsSvg.
• Basic support for hyperlinks. Only links leading to an URI are supported.
• Support for image masks.
• Images using unsupported filters or color spaces are now replaced with an error icon instead of showing random noise.
• Support for function type 4 (PostScript function).
• Improved image transcoding performance.
• Improved async performance when PdfDocument is opened with a file path.
• Optimized SVG markup.

Bug fixes:

• Crash when converting multiple pages from the same PdfDocument concurrently.
• SVGs were sometimes rendered with incorrect font sizes.

Version 0.1.0-alpha

Initial alpha version.