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[libpng16] Fixed some indentation to comply with our coding style.

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This commit is contained in:
Glenn Randers-Pehrson 2016-07-13 14:43:42 -05:00
parent 1b9f4817c8
commit 192e92d681
12 changed files with 407 additions and 400 deletions
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5
ANNOUNCE
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@ -1,4 +1,4 @@
Libpng 1.6.24beta05 - July 8, 2016 Libpng 1.6.24beta05 - July 13, 2016
This is not intended to be a public release. It will be replaced 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. within a few weeks by a public version or by another test version.
@ -82,7 +82,8 @@ Version 1.6.24beta04 [July 8, 2016]
filter is a candidate for selection. This trades off code size (added filter is a candidate for selection. This trades off code size (added
private png_setup_*_row_only() functions) for speed. private png_setup_*_row_only() functions) for speed.
Version 1.6.24beta05 [July 8, 2016] Version 1.6.24beta05 [July 13, 2016]
Fixed some indentation to comply with our coding style.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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3
CHANGES
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@ -5653,7 +5653,8 @@ Version 1.6.24beta04 [July 8, 2016]
filter is a candidate for selection. This trades off code size (added filter is a candidate for selection. This trades off code size (added
private png_setup_*_row_only() functions) for speed. private png_setup_*_row_only() functions) for speed.
Version 1.6.24beta05 [July 8, 2016] Version 1.6.24beta05 [July 13, 2016]
Fixed some indentation to comply with our coding style.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit (subscription required; visit

24
png.c
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@ -775,14 +775,14 @@ png_get_copyright(png_const_structrp png_ptr)
#else #else
# ifdef __STDC__ # ifdef __STDC__
return PNG_STRING_NEWLINE \ return PNG_STRING_NEWLINE \
"libpng version 1.6.24beta05 - July 8, 2016" PNG_STRING_NEWLINE \ "libpng version 1.6.24beta05 - July 13, 2016" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson" \ "Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson" \
PNG_STRING_NEWLINE \ PNG_STRING_NEWLINE \
"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \ "Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \ "Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
PNG_STRING_NEWLINE; PNG_STRING_NEWLINE;
# else # else
return "libpng version 1.6.24beta05 - July 8, 2016\ return "libpng version 1.6.24beta05 - July 13, 2016\
Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson\ Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\ Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc."; Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
@ -4090,9 +4090,9 @@ png_build_gamma_table(png_structrp png_ptr, int bit_depth)
/* Remove any existing table; this copes with multiple calls to /* Remove any existing table; this copes with multiple calls to
* png_read_update_info. The warning is because building the gamma tables * png_read_update_info. The warning is because building the gamma tables
* multiple times is a performance hit - it's harmless but the ability to call * multiple times is a performance hit - it's harmless but the ability to
* png_read_update_info() multiple times is new in 1.5.6 so it seems sensible * call png_read_update_info() multiple times is new in 1.5.6 so it seems
* to warn if the app introduces such a hit. * sensible to warn if the app introduces such a hit.
*/ */
if (png_ptr->gamma_table != NULL || png_ptr->gamma_16_table != NULL) if (png_ptr->gamma_table != NULL || png_ptr->gamma_16_table != NULL)
{ {
@ -4103,7 +4103,8 @@ png_build_gamma_table(png_structrp png_ptr, int bit_depth)
if (bit_depth <= 8) if (bit_depth <= 8)
{ {
png_build_8bit_table(png_ptr, &png_ptr->gamma_table, png_build_8bit_table(png_ptr, &png_ptr->gamma_table,
png_ptr->screen_gamma > 0 ? png_reciprocal2(png_ptr->colorspace.gamma, png_ptr->screen_gamma > 0 ?
png_reciprocal2(png_ptr->colorspace.gamma,
png_ptr->screen_gamma) : PNG_FP_1); png_ptr->screen_gamma) : PNG_FP_1);
#if defined(PNG_READ_BACKGROUND_SUPPORTED) || \ #if defined(PNG_READ_BACKGROUND_SUPPORTED) || \
@ -4115,7 +4116,8 @@ png_build_gamma_table(png_structrp png_ptr, int bit_depth)
png_reciprocal(png_ptr->colorspace.gamma)); png_reciprocal(png_ptr->colorspace.gamma));
png_build_8bit_table(png_ptr, &png_ptr->gamma_from_1, png_build_8bit_table(png_ptr, &png_ptr->gamma_from_1,
png_ptr->screen_gamma > 0 ? png_reciprocal(png_ptr->screen_gamma) : png_ptr->screen_gamma > 0 ?
png_reciprocal(png_ptr->screen_gamma) :
png_ptr->colorspace.gamma/* Probably doing rgb_to_gray */); png_ptr->colorspace.gamma/* Probably doing rgb_to_gray */);
} }
#endif /* READ_BACKGROUND || READ_ALPHA_MODE || RGB_TO_GRAY */ #endif /* READ_BACKGROUND || READ_ALPHA_MODE || RGB_TO_GRAY */
@ -4146,8 +4148,8 @@ png_build_gamma_table(png_structrp png_ptr, int bit_depth)
* pow(iv, gamma). * pow(iv, gamma).
* *
* Thus the gamma table consists of up to 256 256-entry tables. The table * Thus the gamma table consists of up to 256 256-entry tables. The table
* is selected by the (8-gamma_shift) most significant of the low 8 bits of * is selected by the (8-gamma_shift) most significant of the low 8 bits
* the color value then indexed by the upper 8 bits: * of the color value then indexed by the upper 8 bits:
* *
* table[low bits][high 8 bits] * table[low bits][high 8 bits]
* *
@ -4180,8 +4182,8 @@ png_build_gamma_table(png_structrp png_ptr, int bit_depth)
/* NOTE: prior to 1.5.4 this test used to include PNG_BACKGROUND (now /* NOTE: prior to 1.5.4 this test used to include PNG_BACKGROUND (now
* PNG_COMPOSE). This effectively smashed the background calculation for * PNG_COMPOSE). This effectively smashed the background calculation for
* 16-bit output because the 8-bit table assumes the result will be reduced * 16-bit output because the 8-bit table assumes the result will be
* to 8 bits. * reduced to 8 bits.
*/ */
if ((png_ptr->transformations & (PNG_16_TO_8 | PNG_SCALE_16_TO_8)) != 0) if ((png_ptr->transformations & (PNG_16_TO_8 | PNG_SCALE_16_TO_8)) != 0)
png_build_16to8_table(png_ptr, &png_ptr->gamma_16_table, shift, png_build_16to8_table(png_ptr, &png_ptr->gamma_16_table, shift,

29
png.h
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@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library /* png.h - header file for PNG reference library
* *
* libpng version 1.6.24beta05, July 8, 2016 * libpng version 1.6.24beta05, July 13, 2016
* *
* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -12,7 +12,7 @@
* Authors and maintainers: * Authors and maintainers:
* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat * libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
* libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger * libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
* libpng versions 0.97, January 1998, through 1.6.24beta05, July 8, 2016: * libpng versions 0.97, January 1998, through 1.6.24beta05, July 13, 2016:
* Glenn Randers-Pehrson. * Glenn Randers-Pehrson.
* See also "Contributing Authors", below. * See also "Contributing Authors", below.
*/ */
@ -29,7 +29,7 @@
* files that are distributed with libpng have other copyright owners and * files that are distributed with libpng have other copyright owners and
* are released under other open source licenses. * are released under other open source licenses.
* *
* libpng versions 1.0.7, July 1, 2000 through 1.6.24beta05, July 8, 2016 are * libpng versions 1.0.7, July 1, 2000 through 1.6.24beta05, July 13, 2016 are
* Copyright (c) 2000-2002, 2004, 2006-2016 Glenn Randers-Pehrson, are * Copyright (c) 2000-2002, 2004, 2006-2016 Glenn Randers-Pehrson, are
* derived from libpng-1.0.6, and are distributed according to the same * derived from libpng-1.0.6, and are distributed according to the same
* disclaimer and license as libpng-1.0.6 with the following individuals * disclaimer and license as libpng-1.0.6 with the following individuals
@ -245,7 +245,7 @@
* Y2K compliance in libpng: * Y2K compliance in libpng:
* ========================= * =========================
* *
* July 8, 2016 * July 13, 2016
* *
* Since the PNG Development group is an ad-hoc body, we can't make * Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration. * an official declaration.
@ -314,8 +314,7 @@
/* Version information for png.h - this should match the version in png.c */ /* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.6.24beta05" #define PNG_LIBPNG_VER_STRING "1.6.24beta05"
#define PNG_HEADER_VERSION_STRING \ #define PNG_HEADER_VERSION_STRING " libpng version 1.6.24beta05 - July 13, 2016\n"
" libpng version 1.6.24beta05 - July 8, 2016\n"
#define PNG_LIBPNG_VER_SONUM 16 #define PNG_LIBPNG_VER_SONUM 16
#define PNG_LIBPNG_VER_DLLNUM 16 #define PNG_LIBPNG_VER_DLLNUM 16
@ -360,14 +359,14 @@
* the library has been built. * the library has been built.
*/ */
#ifndef PNGLCONF_H #ifndef PNGLCONF_H
/* If pnglibconf.h is missing, you can /* If pnglibconf.h is missing, you can
* copy scripts/pnglibconf.h.prebuilt to pnglibconf.h * copy scripts/pnglibconf.h.prebuilt to pnglibconf.h
*/ */
# include "pnglibconf.h" # include "pnglibconf.h"
#endif #endif
#ifndef PNG_VERSION_INFO_ONLY #ifndef PNG_VERSION_INFO_ONLY
/* Machine specific configuration. */ /* Machine specific configuration. */
# include "pngconf.h" # include "pngconf.h"
#endif #endif
@ -2533,18 +2532,22 @@ PNG_EXPORT(216, png_uint_32, png_get_io_chunk_type,
/* fg and bg should be in `gamma 1.0' space; alpha is the opacity */ /* fg and bg should be in `gamma 1.0' space; alpha is the opacity */
# define png_composite(composite, fg, alpha, bg) \ # define png_composite(composite, fg, alpha, bg) \
{ png_uint_16 temp = (png_uint_16)((png_uint_16)(fg) \ { \
png_uint_16 temp = (png_uint_16)((png_uint_16)(fg) \
* (png_uint_16)(alpha) \ * (png_uint_16)(alpha) \
+ (png_uint_16)(bg)*(png_uint_16)(255 \ + (png_uint_16)(bg)*(png_uint_16)(255 \
- (png_uint_16)(alpha)) + 128); \ - (png_uint_16)(alpha)) + 128); \
(composite) = (png_byte)(((temp + (temp >> 8)) >> 8) & 0xff); } (composite) = (png_byte)(((temp + (temp >> 8)) >> 8) & 0xff); \
}
# define png_composite_16(composite, fg, alpha, bg) \ # define png_composite_16(composite, fg, alpha, bg) \
{ png_uint_32 temp = (png_uint_32)((png_uint_32)(fg) \ { \
png_uint_32 temp = (png_uint_32)((png_uint_32)(fg) \
* (png_uint_32)(alpha) \ * (png_uint_32)(alpha) \
+ (png_uint_32)(bg)*(65535 \ + (png_uint_32)(bg)*(65535 \
- (png_uint_32)(alpha)) + 32768); \ - (png_uint_32)(alpha)) + 32768); \
(composite) = (png_uint_16)(0xffff & ((temp + (temp >> 16)) >> 16)); } (composite) = (png_uint_16)(0xffff & ((temp + (temp >> 16)) >> 16)); \
}
#else /* Standard method using integer division */ #else /* Standard method using integer division */
@ -2612,7 +2615,7 @@ PNG_EXPORT(207, void, png_save_uint_16, (png_bytep buf, unsigned int i));
? -((png_int_32)(((png_get_uint_32(buf)^0xffffffffU)+1U)&0x7fffffffU)) \ ? -((png_int_32)(((png_get_uint_32(buf)^0xffffffffU)+1U)&0x7fffffffU)) \
: (png_int_32)png_get_uint_32(buf))) : (png_int_32)png_get_uint_32(buf)))
/* If PNG_PREFIX is defined the same thing as below happens in pnglibconf.h, /* If PNG_PREFIX is defined the same thing as below happens in pnglibconf.h,
* but defining a macro name prefixed with PNG_PREFIX. * but defining a macro name prefixed with PNG_PREFIX.
*/ */
# ifndef PNG_PREFIX # ifndef PNG_PREFIX

2
pngconf.h
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@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng /* pngconf.h - machine configurable file for libpng
* *
* libpng version 1.6.24beta05, July 8, 2016 * libpng version 1.6.24beta05, July 13, 2016
* *
* Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson * Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)