• added linux support

Adds support for PDF/A conversion & ZUGFeRD samples with PDFA3Converter module.

v.1.2.3 changes - 2021年03月09日

• fixed GhostscriptRasterizer/GhostscriptViewer and Ghostscript v.9.50+ compatibility issues.

v.1.2.2 changes - 2021年02月04日

• fixed Ghostscript 9.26 + (all later versions) compatibility.
• fixed problem when opening path/file that contains non ASCII characters.
• fixed "Arithmetic operation resulted in an overflow" when using multithread instance.
• changed Y and Y DPI settings to match GhostscriptViewer.
• fixed CurrentPage -> TotalPages logging.
• fixed watermark transparency bug for PDF.

v.1.2.1 changes - 2016年12月13日

• fixed offset error in StdIn buffering.
• fixed problem with keeping whitespace return from the StdIn callbacks.
• fixed problem with GhostscriptProcessor and current page handling event.
• fixed problem with PDF signature/marker not beeing within first 32 bytes.
• fixed problem with System.ArgumentOutOfRangeException when StdOut message does not occur at beginning of the line.
• fixed problem with Amazon.Runtime.Internal.Util.HashStream.Position throwm NotSupportedException.
• added ability to allow keeping native ghostscript instance within GhostscriptProcessor instance and reuse it avoiding multiple library load/free especially when loaded from memory.
• GhostscriptRasterizer - added a constructor to allow capture of IO using GhostscriptStdIO (Rasterizer samples updated with example of using GhostscriptStdIO)
• GhostscriptViewer - added GridFitTT=0 to improve text quality.
• GhostscriptViewer - added public setter for DPI settings in viewer.
• GhostscriptViewre - change zoom method to public.
• GhostscriptViewer - set test to false by default in Zoom method.
• GhostscriptViewer - changed ShowAfterOpen to public to set parameters without having to generate a pdf

v.1.2.0 changes - 2015年02月05日

• fixed problem with checking for pdf file header signature in pdf files that has extra bytes at the beginning of the file before the actual signature.
• fixed problem with the page rasterized to Image object which is kept in memory being disposed after the GhostscriptRasterizer is closed.
• added ability to set custom switches for GhostscriptRasterizer and GhostscriptViewer.
• added more usage examples.

v.1.1.9 changes - 2014年07月30日

• fixed problem with the PDF invisible layers (the optional content groups which will be left unmarked if process_trailer_attrs is not executed).
• fixed text rasterization problem for some pdf's, it seems that the 'pdfopen begin' did not initialize everything required to render pdf properly so we replaced it with the 'runpdfopen' method which corrects everything (problem reported by "xatabhk").
• changed GhostscriptRasterizer methods to support Stream insted of the MemoryStream.
• fixed handling files without the extension in GhostscriptViewer and Rasterizer.

v.1.1.8 changes - 2014年05月08日

• fixed incompatibility problem with 'gsapisetarg_encoding' function in Ghostscript releases prior to 9.10. (this function was introduced in 9.10 release)
• fixed older versions incompatibility problem with '-dMaxBitmap=1g' switch bug fix which in some cases turns on text antialiasing for Ghostscript 9.14
• added better initialization checking

v.1.1.7 changes - 2014年04月29日

• implemented Ghostscript native library verification with a friendly error message
  that will clear out the confusion when used native Ghostscript library is not
  compatibile with the running process.
• fixed the pipe client handle disposal bug when the GhostscriptPipedOutput is used.
• fixed problem with the applying PDF page orientation for the GhostscriptViewer and
  the GhostscriptRasterizer.

v.1.1.6 changes - 2014年04月25日

• simplified GetInstalledVersions and GetLastInstalledVersion functions
• fixed problem with the CropBox in the GhostscriptViewer and GhostscripRasterizer.
  (reported by "mahbuburrahman"")
• license changed to AGPL