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[libpng16] Removed #ifdef PNG_16BIT_SUPPORTED/#endif around png_product2(); it is

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needed by png_reciprocal2().
Added #ifdef PNG_16BIT_SUPPORTED/#endif around png_log16bit() and
    png_do_swap().
This commit is contained in:
Glenn Randers-Pehrson 2014-11-06 20:58:33 -06:00
parent 674c3e5816
commit 70cb8f9a7e
5 changed files with 20 additions and 8 deletions
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8
ANNOUNCE
View File

@ -1,4 +1,4 @@
Libpng 1.6.15beta07 - November 6, 2014
Libpng 1.6.15beta07 - November 7, 2014
This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version.
@ -66,7 +66,11 @@ Version 1.6.15beta06 [November 6, 2014]
in the manual, example.c, pngtest.c, and applications in the contrib
directory. It was incorrect advice.
Version 1.6.15beta07 [November 6, 2014]
Version 1.6.15beta07 [November 7, 2014]
Removed #ifdef PNG_16BIT_SUPPORTED/#endif around png_product2(); it is
needed by png_reciprocal2().
Added #ifdef PNG_16BIT_SUPPORTED/#endif around png_log16bit() and
png_do_swap().
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

6
CHANGES
View File

@ -5074,7 +5074,11 @@ Version 1.6.15beta06 [November 6, 2014]
in the manual, example.c, pngtest.c, and applications in the contrib
directory. It was incorrect advice.
Version 1.6.15beta07 [November 6, 2014]
Version 1.6.15beta07 [November 7, 2014]
Removed #ifdef PNG_16BIT_SUPPORTED/#endif around png_product2(); it is
needed by png_reciprocal2().
Added #ifdef PNG_16BIT_SUPPORTED/#endif around png_log16bit() and
png_do_swap().
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

10
png.c
View File

@ -769,13 +769,13 @@ png_get_copyright(png_const_structrp png_ptr)
#else
# ifdef __STDC__
return PNG_STRING_NEWLINE \
"libpng version 1.6.15beta07 - November 6, 2014" PNG_STRING_NEWLINE \
"libpng version 1.6.15beta07 - November 7, 2014" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2014 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
PNG_STRING_NEWLINE;
# else
return "libpng version 1.6.15beta07 - November 6, 2014\
return "libpng version 1.6.15beta07 - November 7, 2014\
Copyright (c) 1998-2014 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
@ -3372,7 +3372,7 @@ png_gamma_significant(png_fixed_point gamma_val)
#endif
#ifdef PNG_READ_GAMMA_SUPPORTED
# ifdef PNG_16BIT_SUPPORTED
#if defined(PNG_16BIT_SUPPORTED) || !defined(PNG_FLOATING_ARITHMETIC_SUPPORTED)
/* A local convenience routine. */
static png_fixed_point
png_product2(png_fixed_point a, png_fixed_point b)
@ -3394,7 +3394,7 @@ png_product2(png_fixed_point a, png_fixed_point b)
return 0; /* overflow */
}
# endif /* 16BIT */
#endif /* PNG_16BIT_SUPPORTED) || !PNG_FLOATING_ARITHMETIC_SUPPORTED */
/* The inverse of the above. */
png_fixed_point
@ -3546,6 +3546,7 @@ png_log8bit(unsigned int x)
* Zero (257): 0
* End (258): 23499
*/
#ifdef PNG_16BIT_SUPPORTED
static png_int_32
png_log16bit(png_uint_32 x)
{
@ -3596,6 +3597,7 @@ png_log16bit(png_uint_32 x)
/* Safe, because the result can't have more than 20 bits: */
return (png_int_32)((lg2 + 2048) >> 12);
}
#endif /* 16BIT */
/* The 'exp()' case must invert the above, taking a 20-bit fixed point
* logarithmic value and returning a 16 or 8-bit number as appropriate. In

2
pngwtran.c
View File

@ -538,8 +538,10 @@ png_do_write_transformations(png_structrp png_ptr, png_row_infop row_info)
#endif
#ifdef PNG_WRITE_SWAP_SUPPORTED
# ifdef PNG_16BIT_SUPPORTED
if ((png_ptr->transformations & PNG_SWAP_BYTES) != 0)
png_do_swap(row_info, png_ptr->row_buf + 1);
# endif
#endif
#ifdef PNG_WRITE_SHIFT_SUPPORTED