[libpng17] Merge pngvalid.c and pngfix.c with libpng-1.6.14beta04

This commit is contained in:
Glenn Randers-Pehrson 2014-09-28 10:37:26 -05:00
parent 776d1768aa
commit 4f8050416f
2 changed files with 21 additions and 9 deletions

View File

@ -396,9 +396,9 @@ next_format(png_bytep colour_type, png_bytep bit_depth,
/* Palette images are restricted to 8 bit depth */
if (*bit_depth <= 8
# ifdef DO_16BIT
#ifdef DO_16BIT
|| (*colour_type != 3 && *bit_depth <= 16)
# endif
#endif
)
return 1;
@ -3165,10 +3165,10 @@ init_standard_palette(png_store *ps, png_structp pp, png_infop pi, int npalette,
for (; i<256; ++i)
tRNS[i] = 24;
# ifdef PNG_WRITE_tRNS_SUPPORTED
#ifdef PNG_WRITE_tRNS_SUPPORTED
if (j > 0)
png_set_tRNS(pp, pi, tRNS, j, 0/*color*/);
# endif
#endif
}
}

View File

@ -2,7 +2,7 @@
*
* Copyright (c) 2014 John Cunningham Bowler
*
* Last changed in libpng 1.6.10 [March 6, 2014]
* Last changed in libpng 1.6.14 [(PENDING RELEASE)]
*
* This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer
@ -49,6 +49,9 @@
# error "pngfix will not work with libpng prior to 1.6.3"
#endif
#ifdef PNG_SETJMP_SUPPORTED
#include <setjmp.h>
#if defined(PNG_READ_SUPPORTED) && defined(PNG_EASY_ACCESS_SUPPORTED)
/* zlib.h defines the structure z_stream, an instance of which is included
* in this structure and is required for decompressing the LZ compressed
@ -79,7 +82,7 @@
# error "pngfix not supported in this libpng version"
#endif
#if PNG_ZLIB_VERNUM >= 0x1240
#if ZLIB_VERNUM >= 0x1240
/* Copied from pngpriv.h */
#ifdef __cplusplus
@ -4014,16 +4017,16 @@ main(int argc, const char **argv)
return global_end(&global);
}
#else /* PNG_ZLIB_VERNUM < 0x1240 */
#else /* ZLIB_VERNUM < 0x1240 */
int
main(void)
{
fprintf(stderr,
"pngfix needs libpng with a zlib >=1.2.4 (not 0x%x)\n",
PNG_ZLIB_VERNUM);
ZLIB_VERNUM);
return 77;
}
#endif /* PNG_ZLIB_VERNUM */
#endif /* ZLIB_VERNUM */
#else /* No read support */
@ -4034,3 +4037,12 @@ main(void)
return 77;
}
#endif /* PNG_READ_SUPPORTED && PNG_EASY_ACCESS_SUPPORTED */
#else /* No setjmp support */
int
main(void)
{
fprintf(stderr, "pngfix does not work without setjmp support\n");
return 77;
}
#endif /* PNG_SETJMP_SUPPORTED */