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+
+ Change History: (See ArgyllCMS log.txt too)
+
+ 2.15
+ Change icc->read_tag() to only succeed if the tag type is
+ known, since the standard expectation of a non NULL
+ return type is that it is of a known type. Added new
+ method icc->read_tag_any() which will return a
+ icmSigUnknownType if the tag type is unknown.
+
+ 2.14
+ Fix potential array bounds violation in icc/icc.c for malformed
+ cLUT profiles with zero input channels.
+
+ 2.10
+
+ Added protection against crafted file integer overflows.
+
+ Many minor additions to support ArgyllCMS.
+
+ Further add V4 compatibility, with changes to PCS encoding.
+
+ 2.06
+
+ Added MD5 checksum code for profile ID support.
+
+ 2.05
+ Version in Argyll V0.51 release.
+
+ Started adding support for ICC V4. Not enabled yet.
+
+ Expanded internal/effective colorspace/ranges support
+ to be uniform between all the lookup types.
+
+ 2.04
+
+ Fixed minor casting nits picked up by some compilers
+ (thanks to Keith Trummel).
+
+ Make intent selection for Matrix profiles and Gamut tables
+ more forgiving if not ICM_STRICT.
+
+ 2.03
+ Added simple extention when dumping binary data tag to
+ dump ASCII as well if verb >= 4.
+
+ Added Makefile support for compiling under MAC OSX.
+
+ Added access to primitive read and write functions, so custom tag
+ data can be marshalled using standard encodings.
+
+ Expanded ICM_STRICT to encompass bad DateTime information in the header,
+ and also disable required tag checking on reading or lookups.
+ Changed default intent for Output profiles to perceptual from
+ colorimetric, since this would usually be expected.
+
+ Added workaround for faulty Kodak RGB matrix profiles, that
+ have their primary XYZ coordinates scaled to 100.0 rather than
+ 1.0. This is enabled if ICM_STRICT is not defined.
+
+ Replaced Lab<->XYZ functions with simpler versions.
+
+ Expand icmFile implimentation to handle icmAlloc
+
+ Do check for header Magic number first.
+
+ Add convenience function that creates an RGB to XYZ transform
+ matrix from the device primaries and the white point.
+
+ Separated stdio versions of file and alloc to allow
+ compile without these.
+
+ Non-standard (ie. Apple) 5,6,7 & 8 channel color signatures
+ weren't being handled properly thruout the library.
+
+ 2.02
+ Merged rename of [u]int64 to icm[Ui][I]nt64 (to work around
+ AIX 5.1L portability bug) from Raph Levien.
+
+ Fixed stray , in icmLookupOrder structure definition (from Dan Coby)
+
+ 2.01
+ Change TextDescription code to not barf if #undef ICM_STRICT and
+ Apple scriptcode not padded to 67 bytes.
+
+ Add get_ranges() method to all Lu types, not just LuLut.
+ Fix bug in PCS override logic that was causing
+ reverse conversions to apply the wrong conversion.
+
+ Added Delta E convenience functions icmLabDE() and
+ icmCIE94() etc.
+
+ Merged Raph Levien's cleanups, to quiet gcc warnings.
+
+ Merged another couple of warning cleanups from Jouk Jansen.
+
+ 2.00
+ Change absolute conversion to be white point only, and use
+ Bradford transform by default. (ie. we are now ignoring the
+ comment in section 6.4.22 of the 1998 spec. about the
+ media black point being used for absolute colorimetry,
+ ignoring the recommendation on page 118 in section E.5,
+ and are taking up the recommendation on page 124 in section
+ E.16 that a more sophisticated chromatic adaptation model be used.)
+
+ This is for better compatibility with other CMM's, and to
+ improve the results when using simple links between
+ profiles with non-D50 white points. Standard profiles
+ like sRGB will also be more accurate when interpreted
+ with absolute colorimetric intent.
+ This will cause some slight incompatibilty with previous
+ versions of icclib.
+
+ Added ColorSync 2.5 specific VideoCardGamma tag support
+ (from Neil Okamoto)
+
+ 1.31
+ Added file I/O class to allow substitution of alternative ICC profile
+ file access. Provide standard file class instance, and memory image
+ instance of file I/O class as default and example.
+ Added an optional new_icc_a() object creator, that takes a memory
+ allocator class instance. This allows an alternate memory heap to
+ be used with the icc class.
+ Renamed object free() methods to del() for more consistency with new().
+
+ 1.30
+ Added workaround for reading some Adobe profiles with confused header DateTime.
+ Enhanced tag allocate() methods so that they can resize allocations.
+ Enhanced icmLut_set_tables() to access grid points in a cache friendly order.
+ Fixed bug in check_icc_legal() that caused bogus errors, removed
+ uneccessary static declarations in icc.h, and fixed a bug in
+ icmTable_lookup_bwd() that effected both accuracy and speed. (Thanks to Andrei Frolov)
+ Removed icmAbsoluteColorimetricXYZ intent, and replaced it with
+ a PCS override capability. This adds a new parameter to get_luobj()
+ Added Lab translations of some XYZ "dump" strings.
+ Fix memory leak after failed tag read + rename_tag function
+ + shared library support changes. (Thanks to Carles Llopis).
+ Changed all the public 2str utility routines to a single function
+ that can be used to interpret an enumeration or tag in a human
+ readable form.
+
+ 1.23
+ Fixed important bug in Lut read/write. The matrix values had their
+ rows and columns switched. Not many profiles exercise this code.
+ Thanks to David Gillman for discovering this problem.
+ Fixup compiler complains about illegal enum values for icmCurveStyle,
+ and icmDataStyle. Malloc memory icmLut_lookup_clut_nl for gw[], so that
+ it is more friendly to systems with a limited stack. (Thanks to Dave White)
+
+ 1.22 99/11/11 Snapshot of current code.
+ Added more hooks to support inherited implementation of
+ color conversion, used in Argyll to support reversing
+ multi-dimentional table lookups.
+ Cleaned up color conversion code to make it easier to follow.
+ Adding simplex interpolation for non-Lab style input space interpolation.
+ Fix Sun misalignment and realloc problems (Thanks to Allan N. Hessenflow)
+ Fixed endian problem with Unicode on read and write.
+ Expanded icmTextDescription_dump() to do hex dump of Unicode and ScriptCode.
+ Changed over to ICC.1:1998-09 .h file.
+ Started implementing ICC.1:1998-09, but not complete yet!
+
+ 1.21 99/2/14
+ After re-reading Michael Bourgoin's 1998 SIGGRAPH notes,
+ I have consolidated the Lut input index, and table value encodings.
+ The default set_tables() scaling has been adjusted appropriately
+ for this correction of Lab encoding.
+ Trying to create an 8 bit XYZ Lut will now fail if icclib helper
+ functions are used to create it.
+
+ 1.20 99/2/7
+ Added profile color lookup functon.
+ Added set_tables() support.
+ Various bug fixes and enhancements.