52 lines
2.7 KiB
Plaintext
52 lines
2.7 KiB
Plaintext
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Libpng 1.2.2beta5 - March 26, 2002
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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 (1.2.1):
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version 1.2.2beta1 [February 22, 2002]
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Fixed a bug with reading the length of iCCP profiles (Larry Reeves).
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Revised makefile.linux, makefile.gcmmx, and others to generate
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libpng.a, libpngNN.so (not libpng.so.3), and libpngNN/png.h
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Revised makefile.darwin to remove "-undefined suppress" option.
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Added checks for gamma and chromaticity values over 21474.83, which exceed
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the limit for PNG unsigned 32-bit integers when encoded.
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Revised calls to png_create_read_struct() and png_create_write_struct()
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for simpler debugging.
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Revised png_zalloc() so zlib handles errors (uses PNG_FLAG_MALLOC_NULL_MEM_OK)
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version 1.2.2beta2 [February 23, 2002]
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Check chunk_length and idat_size for invalid (over PNG_MAX_UINT) lengths.
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Check for invalid image dimensions in png_get_IHDR.
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Added missing "fi;" in the install target of the SGI makefiles.
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Added install-static to all makefiles that make shared libraries.
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Always do gamma compensation when image is partially transparent.
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version 1.2.2beta3 [March 7, 2002]
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Modified shared-library makefiles to install pkgconfig/libpngNN.pc.
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Export (with PNGAPI) png_zalloc, png_zfree, and png_handle_as_unknown
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Removed unused png_write_destroy_info prototype from png.h
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Eliminated incorrect use of width_mmx from pnggccrd.c in pixel_bytes == 8 case
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Added install-shared target to all makefiles that make shared libraries.
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Stopped a double free of palette, hist, and trans when not using free_me.
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Added makefile.32sunu for Sun Ultra 32 and makefile.64sunu for Sun Ultra 64.
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version 1.2.2beta4 [March 8, 2002]
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Compute background.gray and background_1.gray even when color_type is RGB
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in case image gets reduced to gray later (Jason Summers).
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Relocated a misplaced /bin/rm in the "install-shared" makefile targets
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Added PNG_1_0_X macro which can be used to build a 1.0.x-compatible library.
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version 1.2.2beta5 [March 26, 2002]
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Added missing PNGAPI to several function definitions.
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Check for invalid bit_depth or color_type in png_get_IHDR(), and
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check for missing PLTE or IHDR in png_push_read_chunk() (Matthias Clasen).
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Revised iTXt support to accept NULL for lang and lang_key.
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Compute gamma for color components of background even when color_type is gray.
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Changed "()" to "{}" in pkgconfig/libpngNN.pc.
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Revised makefiles to put png.h and pngconf.h only in $prefix/include/libpngNN
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Revised makefiles to make symlink to libpng.so.NN in addition to libpngNN.so
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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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