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117 lines
5.3 KiB
Plaintext
117 lines
5.3 KiB
Plaintext
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Libpng 1.5.1beta10 - January 27, 2011
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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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Files available for download:
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Source files with LF line endings (for Unix/Linux) and with a
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"configure" script
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1.5.1beta10.tar.xz (LZMA-compressed, recommended)
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1.5.1beta10.tar.gz
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1.5.1beta10.tar.bz2
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Source files with CRLF line endings (for Windows), without the
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"configure" script
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lp151b10.7z (LZMA-compressed, recommended)
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lp151b10.zip
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Other information:
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1.5.1beta10-README.txt
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1.5.1beta10-LICENSE.txt
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Changes since the last public release (1.5.0):
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version 1.5.1beta01 [January 8, 2011]
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Added description of png_set_crc_action() to the manual.
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Added a note in the manual that the type of the iCCP profile was changed
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from png_charpp to png_bytepp in png_get_iCCP(). This change happened
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in version 1.5.0beta36 but is not noted in the CHANGES. Similarly,
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it was changed from png_charpp to png_const_bytepp in png_set_iCCP().
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Ensure that png_rgb_to_gray ignores palette mapped images, if libpng
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internally happens to call it with one.
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Fixed the failure to handle palette mapped images correctly.
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Version 1.5.1beta02 [January 14, 2011]
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Fixed a bug in handling of interlaced images (bero at arklinux.org).
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Updated CMakeLists.txt (Clifford Yapp)
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Version 1.5.1beta03 [January 14, 2011]
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Fixed typecasting of some png_debug() statements (Cosmin)
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Version 1.5.1beta04 [January 16, 2011]
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Updated documentation of png_set|get_tRNS() (Thomas Klausner).
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Mentioned in the documentation that applications must #include "zlib.h"
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if they need access to anything in zlib.h, and that a number of
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macros such as png_memset() are no longer accessible by applications.
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Corrected pngvalid gamma test "sample" function to access all of the color
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samples of each pixel, instead of sampling the red channel three times.
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Prefixed variable names index, div, exp, gamma with "png_" to avoid "shadow"
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warnings.
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Version 1.5.1beta05 [January 16, 2011]
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Changed variable names png_index, png_div, png_exp, and png_gamma to
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char_index, divisor, exp_b10, and gamma_val, respectively, and
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changed exp() back to png_exp().
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Version 1.5.1beta06 [January 20, 2011]
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Prevent png_push_crc_skip() from hanging while reading an unknown chunk
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or an over-large compressed zTXt chunk with the progressive reader.
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Eliminated more GCC "shadow" warnings.
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Revised png_fixed() in png.c to avoid compiler warning about reaching the
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end without returning anything.
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Version 1.5.1beta07 [January 22, 2011]
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In the manual, describe the png_get_IHDR() arguments in the correct order.
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Added const_png_structp and const_png_infop types, and used them in
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prototypes for most png_get_*() functions.
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Version 1.5.1beta08 [January 23, 2011]
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Added png_get_io_chunk_type() and deprecated png_get_io_chunk_name()
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Added synopses for the IO_STATE functions and other missing synopses
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to the manual. Removed the synopses from libpngpf.3 because they
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were out of date and no longer useful. Better information can be
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obtained by reading the prototypes and comments in pngpriv.h
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Attempted to fix cpp on Solaris with S. Studio 12 cc, fix build
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Added a make macro DFNCPP that is a CPP that will accept the tokens in
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a .dfn file and adds configure stuff to test for such a CPP. ./configure
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should fail if one is not available.
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Corrected const_png_ in png.h to png_const_ to avoid polluting the namespace.
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Added png_get_current_row_number and png_get_current_pass_number for the
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benefit of the user transform callback.
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Added png_process_data_pause and png_process_data_skip for the benefit of
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progressive readers that need to stop data processing or want to optimize
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skipping of unread data (e.g. if the reader marks a chunk to be skipped.)
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Version 1.5.1beta09 [January 24, 2011]
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Enhanced pngvalid, corrected an error in gray_to_rgb, corrected doc error.
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pngvalid contains tests of transforms, which tests are currently disabled
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because they are incompletely tested. gray_to_rgb was failing to expand
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the bit depth for smaller bit depth images; this seems to be a long
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standing error and resulted, apparently, in invalid output. The
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documentation did not accurately describe what libpng really does when
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converting RGB to gray.
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Version 1.5.1beta10 [January 27, 2011]
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Fixed incorrect examples of callback prototypes in the manual, that were
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introduced in libpng-1.0.0.
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In addition the order of the png_get_uint macros with respect to the
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relevant function definitions has been reversed. This helps the
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preprocessing of the symbol files be more robust. Furthermore, the
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symbol file preprocessing now uses -DPNG_NO_USE_READ_MACROS even when
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the library may actually be built with PNG_USE_READ_MACROS; this stops
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the read macros interfering with the symbol file format.
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Made the manual, synopses, and function prototypes use the function
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argument names file_gamma, int_file_gamma, and srgb_intent consistently.
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net:
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(subscription required; visit
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https://lists.sourceforge.net/lists/listinfo/png-mng-implement
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to subscribe) or to glennrp at users.sourceforge.net
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Glenn R-P
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