changes

奇趣公司比较新的qt/emd版本

-----------------------------------------------------------

1.0.9 (jan 30th 2005)
---------------------

in short:

New optimizations save over 20KB on footprint.
Also a few bugfixes and several patches.

Thanks to those sending in their additions and for testing!

To turn on the optimizations do:

#DEFINE MNG_OPTIMIZE_CHUNKINITFREE
#DEFINE MNG_OPTIMIZE_OBJCLEANUP
#DEFINE MNG_OPTIMIZE_CHUNKASSIGN
#DEFINE MNG_OPTIMIZE_CHUNKREADER

(eg. they're not on by default (yet) !)

-------------------

bugfixes:
- fixed chunk pushing mechanism
- fixed bug in writing sBIT for indexed color
- fixed PPLT getchunk/putchunk routines
- fixed MNG_NO_1_2_4BIT_SUPPORT for TBBN1G04.PNG
- cleaned up macro-invocations (thanks to D. Airlie)

core:
- added more SKIPCHUNK conditionals
- replaced MNG_TWEAK_LARGE_FILES with permanent solution
- improved handling of cheap transparency when 16-bit support is disabled
- added some MNG_SUPPORT_WRITE conditionals
- added function to retrieve current FRAM delay
- added MNG_NO_1_2_4BIT_SUPPORT
- added bgr565_a8 canvas-style (thanks to J. Elvander)
- standard windows dll upgraded to zlib 1.2.2
- added LITTLEENDIAN/BIGENDIAN fixtures (thanks J.Stiles)
- inclusion of zlib/lcms/ijgsrc6b with <> instead of ""
- added conditional MNG_OPTIMIZE_CHUNKINITFREE
- added conditional MNG_OPTIMIZE_OBJCLEANUP
- added conditional MNG_OPTIMIZE_CHUNKASSIGN
- added conditional MNG_OPTIMIZE_CHUNKREADER
- fixed problem with global PLTE/tRNS

samples:

contrib:

doc:
- patched jng & mng manual pages (Thanks Peter Breitenlohner)

makefiles:

autoconf:
- patched makefile.am & configure.in (Thanks Peter Breitenlohner)

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1.0.8 (aug 5th 2004)
--------------------

in short:

added special data-pushing mechanisms and a few other tid-bits

-------------------

bugfixes:
- fixed problem with PAST usage where source > dest

core:
- added missing get-/put-chunk-jdaa
- added CRC existence & checking flags
- added data-push mechanisms for specialized decoders
- some speed optimizations (thanks to John Stiles)
- defend against using undefined closestream function
- defend against using undefined openstream function
- added check for extreme chunk-lengths
- change worst-case iAlphadepth to 1 for standalone PNGs
- added support for 3+byte pixelsize for JPEG's
- added conditional to allow easier writing of large MNG's

samples:

contrib:

doc:

makefiles:

autoconf:

-----------------------------------------------------------

1.0.7 (March 21st 2004)
-----------------------

in short:

A bunch of new canvas-styles, some bug-fixes, upgraded to latest zlib/lcms
and yet more work to please the Mozilla crowd.
Releasing beta's doesn't seem very responsive, and this one's hardly changed
much anyway. I just wanted to bump to a regular version for Mozilla
re-integration.

-------------------

bugfixes:
- fixed inclusion of IJNG chunk for non-JNG use (J.S)
- fixed bug in chunk-storage of SHOW chunk (where from == to)
- fixed bug in promote_g8_g8 with 16bit support off

core:
- added CANVAS_RGB565 and CANVAS_BGR565 (big thanx to Raphael Assenat!!)
- added CANVAS_RGBA565 and CANVAS_BGRA565 ( -- ditto -- )
- upgraded to zlib 1.2.1
- upgraded to lcms 1.11
- added premultiplied alpha canvas' for RGBA, ARGB, ABGR (thx to John Stiles)
- more optimizations with 16bit support off
- put conditionals around openstream/closestream callbacks.
- fixed typo (MNG_SKIPCHUNK_SAVE -> MNG_SKIPCHUNK_nEED)
- fixed some 64-bit platform compiler warnings

samples:

contrib:
- fixed mngtree sample (Raphael)
- added 5-6-5 canvas to SDL sample (Raphael)

doc:

makefiles:

autoconf:

-----------------------------------------------------------

1.0.6 (oct 19th 2003)
---------------------

in short:

Final release from beta1. No feedback is good feedback I presume,
so here's 1.0.6-final!


-------------------

bugfixes:

core:

samples:

contrib:

doc:

makefiles:

autoconf:

-----------------------------------------------------------

1.0.6-beta1 (sep 14th 2003)
---------------------------

in short:

further footprint-reductions
removing email-addresses

1.0.6 (final) will be out shortly

-------------------

bugfixes:

core:
- added support for reducing the footprint of libmng by macros that optionally
  skip unused chunks, remove 16-bit sample support, remove Delta support, and
  remove JNG support, to accomodate Mozilla/Firebird.
- further optional removal of unused functions
- added MNG_NO_SUPPORT_FUNCQUERY conditional
- added iPNGdepth member to pData structure
- added conditionals around MAGN chunk support
- added conditionals around non-VLC chunk support
- added conditionals around "mng_display_go*" and other unused functions
- added more conditionals around "promote" functions
- removed email references as appropriate

samples:

contrib:

doc:

makefiles:

autoconf:

-----------------------------------------------------------

1.0.6-alpha1 (aug 2nd 2003)
---------------------------

in short:

This is mostly in the light of footprint-reduction to please the Mozilla
crew with a leaner and meaner libmng. See bug 18574 if you're interested:
http://bugzilla.mozilla.org/show_bug.cgi?id=18574

-------------------

bugfixes:
- B719420 - fixed several MNG_APP_CMS problems

core:
- removed some compiler-warnings
- hiding 12-bit JPEG stuff
- fixed problem with infinite loops during readdisplay()
- added size-optimiation COMPOSE routine usage
- added conditionals around canvas update routines
- added MNG_SKIPCHUNK_cHNK footprint optimizations
- added conditionals around some JNG-supporting code      
- added conditionals around 16-bit supporting code        
- combined init functions into one function
- replaced nested switches with simple init setup function
- added conditionals zlib and jpeg property accessors
- added size-optimization DIV255B8 routine usage
- added conditionals around 8-bit magn routines
- removed conditionals around 8-bit magn routines
- added MNG_NO_16BIT_SUPPORT and MNG_NO_DELTA_PNG conditionals
- reversed many loops to use decrementing counter
- converted some switches to array references
- removed some redundant checks for iRawlen==0
- optionally use zlib's crc32 function instead of local mng_update_crc
- bugfix empty "if" statement when 16-bit code is enabled
- restored two misplaced #else/#endif blocks
- added conditionals around "mng_display_go*" and other unused functions
- added MNG_NO_LOOP_SIGNALS_SUPPORTED conditional
- fixed duplicate for-loop
- fixed invalid test in promote_imageobject
- added conditionals around PAST chunk support
- fixed "FOOTPRINT_COMPOSEIV" typo (now "FOOTPRINT_DIV")

samples:

contrib:
- updated xmngview
- added MSVC project for creating delta-MNGs: makemng (thanks Alex!)
- added MSVC lib-file for use with the standard libmng.dll (again thanks Alex)

doc:
- updated readme.contrib

makefiles:

autoconf:

-----------------------------------------------------------

1.0.5 (mar 1st 2003)
--------------------

in short:

Only a small fix for progressive jpeg suspension problem.

This is the long-awaited final release containing the new 'dynamic MNG' feature
and bringing MNG compliance to near 100%!

-------------------

bugfixes:
- B683152 - libjpeg suspension not always honored correctly

core:

samples:

contrib:

doc:

makefiles:

autoconf:

-----------------------------------------------------------

1.0.5-rc3 (jan 20th 2003)
-------------------------

in short:

Third release-candidate for the upcoming 1.0.5 version.

Minor bug-fixes and finalizing the accepted proposal (by official vote) for
the TERM/frame_delay changes on mng-list (nov-dec/2002).

-------------------

bugfixes:
- B654627 - fixed SEGV when no gettickcount callback (thanks Adam!)
- B664383 - fixed typo (thanks Dimitri)
- B664911 - fixed buffer overflow during init (thanks Alex!)

core:
- finalized changes in TERM/final_delay to elected proposal (positive vote)

samples:

contrib:

doc:

makefiles:

autoconf:

-----------------------------------------------------------

1.0.5-rc2 (dec 9th 2002)
------------------------

in short:

Second release-candidate for the upcoming 1.0.5 version.
This contains fixes for a few minor details reported by the loyal testers.
It fixes some issues with the goframe/golayer/gotime processing and related
stuff. And it adds a way to disable playback-caching from within the MNG,
which is very useful for streaming-MNG encoders (such as gserver!).

-------------------

bugfixes:

core:
- fixed layer- & frame-counting during read()
- changed FRAMECOUNT/LAYERCOUNT/PLAYTIME error to warning
- fixed goframe/golayer/gotime processing
- added support for nEED "MNG 1.1"
- added support for nEED "CACHEOFF"; turn playback caching off for streaming MNG
- fixed magnification bug with object 0
- added support to get totals for frames/layers/playtime after mng_read()
- fixed some issues in init_app_cms()
- fixed goxxxxx() support for zero values

samples:

contrib:

doc:

makefiles:

autoconf:

-----------------------------------------------------------

1.0.5-rc1 (nov 1st 2002)
------------------------

in short:

First release-candidate for the upcoming 1.0.5 version.
This fixes a few small problems and brings the TERM/MEND processing, with
respect to interframe_delay as per the current discussion on MNG-list,
up-to-date with the latest proposal.

-------------------

bugfixes:

core:
- fixed initialization of pIds in dISC read routine (Thanks Winfried!)
- fixed issue in freeing evNT chunk (Thanks Winfried!)
- fixed clipping-problem with BACK tiling (Thanks Sakura!)
- fixed processing for multiple objects in MAGN (Thanks Sakura!)
- fixed display of visible target of PAST operation (Thanks Sakura!)
- modified TERM/MEND processing for max(1, TERM_delay, interframe_delay)

samples:

contrib:
- fixed typo in Makefile for gtk-mng-view sample

doc:

makefiles:

autoconf:

-----------------------------------------------------------

1.0.5-b3 (oct 15th 2002)
------------------------

in short:

Fairly quick after beta2, since that introduced a couple of unfortunate
booboo's and wasn't very workable. It also changes the standard configure
script to build a standard shared object similar to what I intended.

-------------------

bugfixes:

core:
- fixed support for condition=2 in TERM chunk
- fixed trace-constants for PAST chunk
- added mng_status_dynamic to supports function

samples:

contrib:

doc:
- small cosmetic changes in man/libmng.3

makefiles:

autoconf:
- fixed configure.in to build a 'standard' SO primarily

-----------------------------------------------------------

1.0.5-b2 (oct 9th 2002)
------------------------

in short:

Second beta for next 1.0.5 release. This addresses some minor problems
detected during testing. It adds the proposed change to the MNG spec as
discussed on the "mng-list" recently; eg. Adam's option 4.
And it adds a little function to check at run-time if the lib is a beta or not.

-------------------

bugfixes:

core:
- fixed chunk-storage for evNT chunk
- fixed dropping mix of frozen/unfrozen objects
- fixed problem with cloned objects marked as invalid
- fixed problem cloning frozen object_buffers
- fixed DISC support
- added proposed change in handling of TERM- & interframe-delay
- added another fix for misplaced TERM chunk
- added check for TERM placement during create/write
- completed support for condition=2 in TERM chunk
- added beta version function & constant

samples:

contrib:

doc:

makefiles:

autoconf:

-----------------------------------------------------------

1.0.5-b1 (sep 24th 2002)
------------------------