83 lines
3.1 KiB
Plaintext
83 lines
3.1 KiB
Plaintext
2.5 (Upcoming)
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o Environment variable CPDF_REPRODUCIBLE_DATES for testing
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o Environment variable CPDF_DEBUG for -debug
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o Effectively make stderr unbuffered
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o Prepend NOT to a page range to invert it
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2.4 (June 2021)
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o New operation -extract-images
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o New operation -output-json et al. to export PDF files in JSON format
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o New operations to manipulate Optional Content Groups
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o New operation -stamp-as-xobject to add one PDF as an xobject in another
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o Optional Content Groups now preserved when merging / stamping pages
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o Listing, coalescing and modfiying Optional Content Groups.
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o New -labels-progress option to improve page labels interface
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o Appearance streams transformed when transforming annotations
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o Bookmark destination positions transformed when transforming pages
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o No longer depends on Bigarray or Unix modules
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2.3 (patchlevel 1, December 2019)
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o Fixed bug which prevented -info working on encrypted files
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o Allow -shift with -add-text for additional adjustment
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o Prepend and postpend directly to page content streams
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2.3 (October 2019)
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o Directly set and remove Trim, Art, and Bleed boxes
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o Dump attachments to file
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o Extended bookmark format, preserving all bookmark information
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o New -pad-with, -pad-mutiple-before options
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o Set or create XMP metadata
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o Remove graphics clipping
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o Extended support for reading malformed files
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o Embed missing fonts by calling out to gs
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o Set bookmarks open to a given level
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o Create PDF files from scatch
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o Remove single images by name
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o Add trim marks
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2.2 (patchlevel 1)
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o Fix for inability to read null objects in streams
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o Workaround for Adobe "Error 21" on re-saving encrypted files
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o More efficient bookmark operations on files with many pages
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o New operation -hard-box to clip contents to a given box
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2.2 (March 2017)
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o Perform arithmetic on dimensions when specifying size or position
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o Add simple rectangles to PDF to blank things out
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o Stamping operations now preserve annotations
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o Decryption fully on-demand for speed.
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o -keep-l keeps existing linearization status
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o -remove-dict-entry to remove the contents of a dictionary entry
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o -topline in addition to -midline
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o -producer and -creator may be used to alter producer and creator
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in conjunction with any other operation
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o -topline and -midline now apply to stamps
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o -list-spot-colours
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o -bates-at-range and -bates-pad-to
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o -print-page-labels
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o -squeeze replaces smpdf
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o Preserve more sharing of data when doing merges and page alterations
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2.1 (December 2014)
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o Encryption now much, much faster
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o Faster parsing of delayed object streams on large files
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o -decompress now leaves object streams decompressed
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o Select pages by landscape-ness or portrait-ness in a page range
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o New -open-at-page and -open-at-page-fit option to set the open action
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o New -recrypt option to re-encrypt output
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o Reads XMP metadata and outputs it on -info
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o New -center position for text
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o -stamp can now use positions, just like stamping text
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o Better handling of permissions for files with user passwords
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o Linearization excised
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o Can encrypt or recrypt output of -split and -split-bookmarks now
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o -args replaces -control with better behaviour
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o Can scale a stamp to fit before stamping with -scale-stamp-to-fit
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