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(instead it is controlled by commandline arguments "-cc" and "-no_cc"),
and addition of the word "irrevocably" to the license.
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Changes include:
Version 1.4.8
* Detect and remove all-opaque alpha channel.
* Detect and reduce all-gray truecolor images to grayscale.
Version 1.4.7
* Restored the "-ext" option that was inadvertently overridden
with a new "-exit" option in version 1.4.6 ("-exit" is used to
force an "exit" instead of a "return" from the main program).
Version 1.4.6
* Fixed bug in color-counting of noninterlaced images.
* Added capability of processing multiple rows at a time
(disabled by default because it turns out to be no faster).
* Replaced "return" statements in main() with "exit" statements.
User can force exit instead of return with "-exit" argument.
* Added the UCITA disclaimers to the help output.
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Changes are:
* Added color-counting and palette-building capability
* Added "-fix" option, for fixing bad CRC's and other correctable
conditions.
* Write sBIT.alpha=1 when adding an opaque alpha channel and sBIT is
present.
* Identify the erroneous 2615-byte sRGB monitor profile being written by
Photoshop 5.5, which causes many apps to crash, and replace it
with an sRGB chunk.
* Added a check for input and output on different devices before
rejecting the output file as being the same as the input file
based on inode.
* Added some UCITA language to the disclaimer.
* Reduced scope of Try/Catch blocks to avoid nesting them, and removed
returns from within the Try blocks, where they are not allowed.
* Removed direct access to the png structure when possible
* Removes extra IDAT chunks (such as found in some POV-ray PNGs) with a
warning instead of bailing out.
* Removed the old setjmp interface entirely.
* RGB to Grayscale conversion is more accurate (15-bit instead of 8-bit)
and now uses only integer arithmetic.
* Changed "Compressed" to "Uncompressed" in help for -itxt.
* Stifled some compiler warnings
* Add test on stat_buf.st_size to verify fpin==fpout, because stat in
MSVC++6.0 standard version returns stat_buf.st_ino=0 for all files
* Revised pngcrush.h to make it easier to control PNG_ZBUF_SIZE and
PNG_NO_FLOATING_POINT_SUPPORTED from a makefile.
* Restored ability to enter "replace_gamma" value as a float even when
floating point arithmetic is not enabled.
* Enabled removing tEXt, zTXt, or iTXt chunks by chunk type
* Removed definition of TOO_FAR from pngcrush.h
* Uses new libpng error handler; if a file has errors, pngcrush now will
continue on and compress the remaining files instead of bailing
out.
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* Version 1.3.4 (built with libpng-1.0.5m)
* Do not allow pngcrush to overwrite the input file.
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Version 1.3.3:
- Restored ability to enter gamma as a float even when floating point
arithmetic is not enabled.
Version 1.3.2:
- Fixed "PNG_NO_FLOAING_POINT" typo in pngcrush.h
- Renamed "dirname" to "directory_name" to avoid conflict with "dirname"
that appears in string.h on some platforms.
- #ifdef'ed out parts of the help screen for options that are unsupported.
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'unknown-chunk-processor' for generic chunks, a smaller executable, and
more info about text chunks on the help screen.
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Graphics) files.
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