Backup diff of Ghostscript vs current(No. 4)

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• View the source.
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• Go to Ghostscript.
  • 1 (2017-11-06 (Mon) 13:48:38)
  • 2 (2017-11-06 (Mon) 18:56:46)
  • 3 (2017-11-06 (Mon) 20:26:22)
  • 4 (2017-11-06 (Mon) 23:16:16)
  • 5 (2017-11-07 (Tue) 13:13:44)
  • 6 (2017-11-07 (Tue) 14:32:25)
  • 7 (2017-11-22 (Wed) 18:23:13)
  • 8 (2017-11-27 (Mon) 23:41:06)

• The added line is THIS COLOR.
• The deleted line is THIS COLOR.

 git clone git://git.ghostscript.com/ghostpdl.git

- Download (GNU AGPL)
--  [https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/download/gs920/ghostscript-9.20.tar.gz ghostscript-9.20.tar.gz]
--  [https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/download/gs922/ghostscript-9.22.tar.gz ghostscript-9.22.tar.gz]

* ビルド方法 [#h3480076]

- https://www.ghostscript.com/doc/9.22/Install.htm
- https://www.ghostscript.com/doc/9.22/Make.htm#Precompiled_data

* カラープロファイル [#z97f8833]

- https://www.ghostscript.com/doc/current/Ps2pdf.htm#Color_Conversion_and_Management
- Ghostscript 9.21 Color Management
-- https://www.artifex.com/wp-content/uploads/2017/01/Ghostscript_921_Color_Management_WhitePaper.pdf
- A New Color Architecture for Ghostscript
--  https://wiki.linuxfoundation.org/images/7/71/A_New_Color_Architecture_for_Ghostscript.pdf

- https://www.ghostscript.com/doc/current/Ps2pdf.htm#Color_Conversion_and_Management
** CRD (Color Rendering Dictionary) [#y157360f]

- Embed ICC color profile in PDF
--  https://stackoverflow.com/questions/31591554/embed-icc-color-profile-in-pdf
古い方法

 gs -o cmyk-doc.pdf      \
    -sDEVICE=pdfwrite    \
    -dOverrideICC=true   \
    -sDefaultCMYKProfile=/path/to/mycmykprofile.icc \
    -sOutputICCProfile=/path/to/mydeviceprofile.icc \
    -dRenderIntent=3     \
    -dDeviceGrayToK=true \
     input-doc.pdf
 UseCIEColor

** ICC Profile (9系から) [#q2bbd51e]

- [[Ghostscript/ICC]] (ICCプロファイル)