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[libpng17] Added sPLT support to pngtest.c

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Glenn Randers-Pehrson 2015-10-10 11:15:39 -05:00
parent 90992547c7
commit 5b05197604
3 changed files with 20 additions and 4 deletions
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5
ANNOUNCE
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@ -1,5 +1,5 @@
Libpng 1.7.0beta67 - October 3, 2015
Libpng 1.7.0beta67 - October 10, 2015
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.
@ -944,12 +944,13 @@ Version 1.7.0beta66 [October 2, 2015]
extended sBIT handling to the colormap code in the simplified API
which is separately implemented in pngread.c (John Bowler).
Version 1.7.0beta67 [October 3, 2015]
Version 1.7.0beta67 [October 10, 2015]
Fixed 'pow' macros in pngvalid.c. It is legal for 'pow' to be a
macro, therefore the argument list cannot contain preprocessing
directives. Make sure pow is a function where this happens. This is
a minimal safe fix, the issue only arises in non-performance-critical
code (bug report by Curtis Leach, fix by John Bowler).
Added sPLT chunk support to pngtest.c
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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3
CHANGES
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@ -5243,12 +5243,13 @@ Version 1.7.0beta66 [October 2, 2015]
extended sBIT handling to the colormap code in the simplified API
which is separately implemented in pngread.c (John Bowler).
Version 1.7.0beta67 [October 3, 2015]
Version 1.7.0beta67 [October 10, 2015]
Fixed 'pow' macros in pngvalid.c. It is legal for 'pow' to be a
macro, therefore the argument list cannot contain preprocessing
directives. Make sure pow is a function where this happens. This is
a minimal safe fix, the issue only arises in non-performance-critical
code (bug report by Curtis Leach, fix by John Bowler).
Added sPLT chunk support to pngtest.c
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

16
pngtest.c
View File

@ -1,7 +1,7 @@
/* pngtest.c - a simple test program to test libpng
*
* Last changed in libpng 1.6.18 [(PENDING RELEASE)]
* Last changed in libpng 1.7.0 [(PENDING RELEASE)]
* Copyright (c) 1998-2015 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@ -61,6 +61,7 @@
defined PNG_READ_sBIT_SUPPORTED &&\
defined PNG_READ_sCAL_SUPPORTED &&\
defined PNG_READ_sRGB_SUPPORTED &&\
defined PNG_READ_sPLT_SUPPORTED &&\
defined PNG_READ_tEXt_SUPPORTED &&\
defined PNG_READ_tIME_SUPPORTED &&\
defined PNG_READ_zTXt_SUPPORTED &&\
@ -1244,6 +1245,19 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
#endif
#endif
#endif
#ifdef PNG_sPLT_SUPPORTED
{
png_sPLT_tp entries;
int num_entries = (int) png_get_sPLT(read_ptr, read_info_ptr, &entries);
if (num_entries)
{
png_set_sPLT(write_ptr, write_info_ptr, entries, num_entries);
}
}
#endif
#ifdef PNG_TEXT_SUPPORTED
{
png_textp text_ptr;