72 lines
3.8 KiB
Plaintext
72 lines
3.8 KiB
Plaintext
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Libpng 1.0.6j - May 4, 2000
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This is not intended to be a public release. It will be replaced
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within a few weeks by a public version or by another test version.
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Changes since the last public release (1.0.6):
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version 1.0.6d [April 8, 2000]
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Changed sprintf() to strcpy() in png_write_sCAL_s() to work without STDIO
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Added data_length parameter to png_decompress_chunk() function
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Revised documentation to remove reference to abandoned png_free_chnk functions
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Fixed an error in png_rgb_to_gray_fixed()
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Revised example.c, usage of png_destroy_write_struct().
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Renamed makefile.ibmvac3 to makefile.ibmc, added libpng.icc IBM project file
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Added a check for info_ptr->free_me&PNG_FREE_TEXT when free'ing text in png.c
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Simplify png_sig_bytes() function to remove use of non-ISO-C strdup().
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version 1.0.6e [April 9, 2000]
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Added png_data_freer() function.
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In the code that checks for over-length tRNS chunks, added check of
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info_ptr->num_trans as well as png_ptr->num_trans (Matthias Benckmann)
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Minor revisions of libpng.txt/libpng.3.
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Check for existing data and free it if the free_me flag is set, in png_set_*()
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and png_handle_*().
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Only define PNG_WEIGHTED_FILTERS_SUPPORTED when PNG_FLOATING_POINT_SUPPORTED
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is defined.
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Changed several instances of PNG_NO_CONSOLE_ID to PNG_NO_STDIO in pngrutil.c
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and mentioned the purposes of the two macros in libpng.txt/libpng.3.
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version 1.0.6f [April 14, 2000]
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Revised png_set_iCCP() and png_set_rows() to avoid prematurely freeing data.
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Add checks in png_set_text() for NULL members of the input text structure.
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Revised libpng.txt/libpng.3.
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Removed superfluous prototype for png_set_itxt from png.h
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Removed "else" from pngread.c, after png_error(), and changed "0" to "length".
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Changed several png_errors about malformed ancillary chunks to png_warnings.
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version 1.0.6g [April 24, 2000]
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Added png_pass-* arrays to pnggccrd.c when PNG_USE_LOCAL_ARRAYS is defined.
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Relocated paragraph about png_set_background() in libpng.3/libpng.txt
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and other revisions (Matthias Benckmann)
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Relocated info_ptr->free_me, png_ptr->free_me, and other info_ptr and
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png_ptr members to restore binary compatibility with libpng-1.0.5
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(breaks compatibility with libpng-1.0.6).
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version 1.0.6h [April 24, 2000]
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Changed shared library so-number pattern from 2.x.y.z to xy.z (this builds
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libpng.so.10 & libpng.so.10.6h instead of libpng.so.2 & libpng.so.2.1.0.6h)
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This is a temporary change for test purposes.
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version 1.0.6i [May 3, 2000]
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Added documentation of user memory functions in libpng.txt/libpng.3
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Modified png_read_png so that it will use user_allocated row_pointers
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if present, unless free_me directs that it be freed, and added description
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of the use of png_set_rows() and png_get_rows() in libpng.txt/libpng.3.
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Added PNG_LEGACY_SUPPORTED macro, and #ifdef out all new (since version
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1.00) members of png_struct and png_info, to regain binary compatibility
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when you define this macro. Capabilities lost in this event
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are user transforms (new in version 1.0.0),the user transform pointer
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(new in version 1.0.2), rgb_to_gray (new in 1.0.5), iCCP, sCAL, sPLT,
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the high-level interface, and unknown chunks support (all new in 1.0.6).
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This was necessary because of old applications that allocate the structs
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directly instead of using png_create_*(), as authors were instructed to
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do in libpng-0.88 and earlier.
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Added makefile.intel and updated makefile.watcom (Pawel Mrochen)
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version 1.0.6j [May 4, 2000]
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Overloaded png_read_init() and png_write_init() with macros that convert
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calls to png_read_init_2() or png_write_init_2() that check the version
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and structure sizes.
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Restored original shared library so-number pattern (2.x.y.z)
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Send comments/corrections/commendations to
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png-implement@ccrc.wustl.edu or to randeg@alum.rpi.edu
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Glenn R-P
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