X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a626cc03053700ca5bdbf0243831bec528e6fc4d..5e673a6a2a0e1b70d9d6d653db08eb9d2508a6c2:/src/png/png.h diff --git a/src/png/png.h b/src/png/png.h index b48e1507e7..4314ac7751 100644 --- a/src/png/png.h +++ b/src/png/png.h @@ -8,29 +8,29 @@ * * Y2K compliance in libpng: * ========================= - * + * * January 13, 1999 - * + * * Since the PNG Development group is an ad-hoc body, we can't make * an official declaration. - * + * * This is your unofficial assurance that libpng from version 0.81 and * upward are Y2K compliant. It is my belief that earlier versions were * also Y2K compliant. - * + * * Libpng only has three year fields. One is a 2-byte unsigned integer * that will hold years up to 65535. The other two hold the date in text * format, and will hold years up to 9999. - * + * * The integer is * "png_uint_16 year" in png_time_struct. - * + * * The strings are * "png_charp time_buffer" in png_struct and * "near_time_buffer", which is a local character string in png.c. - * + * * There are seven time-related functions: - * png.c: png_convert_to_rfc_1123() in png.c + * png.c: png_convert_to_rfc_1123() in png.c * (formerly png_convert_to_rfc_1152() in error) * png_convert_from_struct_tm() in pngwrite.c, called in pngwrite.c * png_convert_from_time_t() in pngwrite.c @@ -38,8 +38,8 @@ * png_handle_tIME() in pngrutil.c, called in pngread.c * png_set_tIME() in pngset.c * png_write_tIME() in pngwutil.c, called in pngwrite.c - * - * All handle dates properly in a Y2K environment. The + * + * All handle dates properly in a Y2K environment. The * png_convert_from_time_t() function calls gmtime() to convert from system * clock time, which returns (year - 1900), which we properly convert to * the full 4-digit year. There is a possibility that applications using @@ -49,17 +49,17 @@ * is not under our control. The libpng documentation has always stated * that it works with 4-digit years, and the APIs have been documented as * such. - * + * * The tIME chunk itself is also Y2K compliant. It uses a 2-byte unsigned * integer to hold the year, and can hold years as large as 65535. - * - * + * + * * Glenn Randers-Pehrson * libpng maintainer * PNG Development Group - * + * * Note about libpng version numbers: - * + * * Due to various miscommunications, unforeseen code incompatibilities * and occasional factors outside the authors' control, version numbering * on the library has not always been consistent and straightforward.