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Imported from pngcrush-1.4.0.tar

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This commit is contained in:
Glenn Randers-Pehrson
2000-03-24 18:17:10 -06:00
parent 66e6b07dfd
commit d346287eaa
22 changed files with 233 additions and 204 deletions
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24
pngcrush.c
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@@ -15,7 +15,7 @@
* occasionally creating Linux executables.
*/
#define PNGCRUSH_VERSION "1.3.6"
#define PNGCRUSH_VERSION "1.4.0"
/*
* COPYRIGHT NOTICE, DISCLAIMER, AND LICENSE:
@@ -29,8 +29,8 @@
* exemplary, or consequential damages, which may result from the use of
* the pngcrush program, even if advised of the possibility of such damage.
*
* Permission is hereby granted to use, copy, modify, and distribute this
* source code, or portions hereof, for any purpose, without fee, subject
* Permission is hereby granted to anyone to use, copy, modify, and distribute
* this source code, or portions hereof, for any purpose, without fee, subject
* to the following restrictions:
*
* 1. The origin of this source code must not be misrepresented.
@@ -44,12 +44,12 @@
/* To do:
*
* Version 1.3.*: check for unused alpha channel and ok-to-reduce-depth.
* Version 1.4.*: check for unused alpha channel and ok-to-reduce-depth.
* Rearrange palette to put most-used color first and transparent color
* second (see ImageMagick 5.1.1 and later).
* Finish pplt (partial palette) feature.
*
* Version 1.3.*: Use an alternate write function for the trial passes, that
* Version 1.4.*: Use an alternate write function for the trial passes, that
* simply counts bytes rather than actually writing to a file, to save wear
* and tear on disk drives.
*
@@ -63,6 +63,8 @@
*
* Change log:
*
* Version 1.4.0 (built with libpng-1.0.6 + libpng-1.0.6-patch-a)
*
* Version 1.3.6 (built with libpng-1.0.5v)
*
* RGB to Grayscale conversion is more accurate (15-bit instead of 8-bit)
@@ -1907,7 +1909,8 @@ main(int argc, char *argv[])
#if !defined(PNG_tIME_SUPPORTED)
PNG_tIME;
#endif
#endif
#endif /* PNG_USE_LOCAL_ARRAYS */
png_set_keep_unknown_chunks(write_ptr, HANDLE_CHUNK_IF_SAFE,
(png_bytep)NULL, 0);
#if !defined(PNG_cHRM_SUPPORTED)
@@ -1938,7 +1941,8 @@ main(int argc, char *argv[])
png_set_keep_unknown_chunks(write_ptr, HANDLE_CHUNK_ALWAYS,
(png_bytep)png_tIME, 1);
#endif
#else /* !PNG_UINT_IHDR */
#else /* PNG_UINT_IHDR */
#if !defined(PNG_cHRM_SUPPORTED) || !defined(PNG_hIST_SUPPORTED) || \
!defined(PNG_iCCP_SUPPORTED) || !defined(PNG_sCAL_SUPPORTED) || \
@@ -1985,7 +1989,7 @@ main(int argc, char *argv[])
png_set_keep_unknown_chunks(write_ptr, HANDLE_CHUNK_ALWAYS,
chunk_name, 1);
#endif
#endif /* !PNG_UINT_IHDR */
#endif /* PNG_UINT_IHDR */
}
}
#endif
@@ -2065,7 +2069,7 @@ main(int argc, char *argv[])
if(verbose > 0 && first_trial)
fprintf(STDERR, " Adding an alpha channel.\n");
#ifdef PNG_READ_FILLER_SUPPORTED
png_set_filler(read_ptr, (png_uint_32)65535, PNG_FILLER_AFTER);
png_set_filler(read_ptr, (png_uint_32)65535L, PNG_FILLER_AFTER);
#endif
need_expand = 1;
}
@@ -2230,7 +2234,7 @@ main(int argc, char *argv[])
else if(intent >= 0)
{
#ifdef PNG_gAMA_SUPPORTED
if(file_gamma > 45000L && file_gamma < 46000L)
if(file_gamma >= 45000L && file_gamma <= 46000L)
{
things_have_changed=1;
if(first_trial)