Remove support for the MNG file format and the bundled libmng

The MNG file format is generally abandoned, and libmng has been
unmaintained for several years.

The MNG plugin and bundled libmng has been moved to the
qtimageformats project on Gerrit.

Task-number: QTBUG-21869
Change-Id: I946432347014ffde2b72307a5f8b166ca5553602
Reviewed-by: Lars Knoll <lars.knoll@nokia.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>

1 files changed, 0 insertions, 146 deletions

diff --git a/src/3rdparty/libmng/libmng_chunk_descr.h b/src/3rdparty/libmng/libmng_chunk_descr.h
deleted file mode 100644
index 3781ab0525..0000000000
--- a/src/3rdparty/libmng/libmng_chunk_descr.h
+++ /dev/null
@@ -1,146 +0,0 @@
-/* ************************************************************************** */
-/* *             For conditions of distribution and use,                    * */
-/* *                see copyright notice in libmng.h                        * */
-/* ************************************************************************** */
-/* *                                                                        * */
-/* * project   : libmng                                                     * */
-/* * file      : libmng_chunk_descr.h      copyright (c) 2007 G.Juyn        * */
-/* * version   : 1.0.10                                                     * */
-/* *                                                                        * */
-/* * purpose   : Chunk descriptor functions (implementation)                * */
-/* *                                                                        * */
-/* * author    : G.Juyn                                                     * */
-/* *                                                                        * */
-/* * comment   : definition of the chunk- anf field-descriptor routines     * */
-/* *                                                                        * */
-/* * changes   : 1.0.9 - 12/06/2004 - G.Juyn                                * */
-/* *             - added conditional MNG_OPTIMIZE_CHUNKREADER               * */
-/* *                                                                        * */
-/* *             1.0.10 - 04/08/2007 - G.Juyn                               * */
-/* *             - added support for mPNG proposal                          * */
-/* *             1.0.10 - 04/12/2007 - G.Juyn                               * */
-/* *             - added support for ANG proposal                           * */
-/* *                                                                        * */
-/* ************************************************************************** */
-
-#if defined(__BORLANDC__) && defined(MNG_STRICT_ANSI)
-#pragma option -A                      /* force ANSI-C */
-#endif
-
-#ifndef _libmng_chunk_descr_h_
-#define _libmng_chunk_descr_h_
-
-/* ************************************************************************** */
-
-#ifdef MNG_OPTIMIZE_CHUNKREADER
-#if defined(MNG_INCLUDE_READ_PROCS) || defined(MNG_INCLUDE_WRITE_PROCS)
-
-/* ************************************************************************** */
-
-void mng_get_chunkheader (mng_chunkid       iChunkname,
-                          mng_chunk_headerp pResult);
-
-/* ************************************************************************** */
-
-#define MNG_F_SPECIALFUNC(n) mng_retcode n (mng_datap   pData,    \
-                                            mng_chunkp  pChunk,   \
-                                            mng_uint32* piRawlen, \
-                                            mng_uint8p* ppRawdata)
-
-MNG_F_SPECIALFUNC (mng_debunk_plte) ;
-MNG_F_SPECIALFUNC (mng_debunk_trns) ;
-MNG_F_SPECIALFUNC (mng_deflate_itxt) ;
-MNG_F_SPECIALFUNC (mng_splt_entries) ;
-MNG_F_SPECIALFUNC (mng_hist_entries) ;
-
-MNG_F_SPECIALFUNC (mng_debunk_loop) ;
-MNG_F_SPECIALFUNC (mng_debunk_past) ;
-MNG_F_SPECIALFUNC (mng_disc_entries) ;
-MNG_F_SPECIALFUNC (mng_fram_remainder) ;
-MNG_F_SPECIALFUNC (mng_save_entries) ;
-MNG_F_SPECIALFUNC (mng_pplt_entries) ;
-MNG_F_SPECIALFUNC (mng_drop_entries) ;
-MNG_F_SPECIALFUNC (mng_ordr_entries) ;
-MNG_F_SPECIALFUNC (mng_debunk_magn) ;
-MNG_F_SPECIALFUNC (mng_evnt_entries) ;
-MNG_F_SPECIALFUNC (mng_adat_tiles) ;
-
-/* ************************************************************************** */
-
-#define MNG_C_SPECIALFUNC(n) mng_retcode n (mng_datap  pData,   \
-                                            mng_chunkp pChunk)
-
-MNG_C_SPECIALFUNC (mng_special_ihdr) ;
-MNG_C_SPECIALFUNC (mng_special_plte) ;
-MNG_C_SPECIALFUNC (mng_special_idat) ;
-MNG_C_SPECIALFUNC (mng_special_iend) ;
-MNG_C_SPECIALFUNC (mng_special_trns) ;
-MNG_C_SPECIALFUNC (mng_special_gama) ;
-MNG_C_SPECIALFUNC (mng_special_chrm) ;
-MNG_C_SPECIALFUNC (mng_special_srgb) ;
-MNG_C_SPECIALFUNC (mng_special_iccp) ;
-MNG_C_SPECIALFUNC (mng_special_text) ;
-MNG_C_SPECIALFUNC (mng_special_ztxt) ;
-MNG_C_SPECIALFUNC (mng_special_itxt) ;
-MNG_C_SPECIALFUNC (mng_special_bkgd) ;
-MNG_C_SPECIALFUNC (mng_special_phys) ;
-MNG_C_SPECIALFUNC (mng_special_sbit) ;
-MNG_C_SPECIALFUNC (mng_special_splt) ;
-MNG_C_SPECIALFUNC (mng_special_hist) ;
-MNG_C_SPECIALFUNC (mng_special_time) ;
-
-MNG_C_SPECIALFUNC (mng_special_jhdr) ;
-MNG_C_SPECIALFUNC (mng_special_jdaa) ;
-MNG_C_SPECIALFUNC (mng_special_jdat) ;
-MNG_C_SPECIALFUNC (mng_special_jsep) ;
-
-MNG_C_SPECIALFUNC (mng_special_mhdr) ;
-MNG_C_SPECIALFUNC (mng_special_mend) ;
-MNG_C_SPECIALFUNC (mng_special_loop) ;
-MNG_C_SPECIALFUNC (mng_special_endl) ;
-MNG_C_SPECIALFUNC (mng_special_defi) ;
-MNG_C_SPECIALFUNC (mng_special_basi) ;
-MNG_C_SPECIALFUNC (mng_special_clon) ;
-MNG_C_SPECIALFUNC (mng_special_past) ;
-MNG_C_SPECIALFUNC (mng_special_disc) ;
-MNG_C_SPECIALFUNC (mng_special_back) ;
-MNG_C_SPECIALFUNC (mng_special_fram) ;
-MNG_C_SPECIALFUNC (mng_special_move) ;
-MNG_C_SPECIALFUNC (mng_special_clip) ;
-MNG_C_SPECIALFUNC (mng_special_show) ;
-MNG_C_SPECIALFUNC (mng_special_term) ;
-MNG_C_SPECIALFUNC (mng_special_save) ;
-MNG_C_SPECIALFUNC (mng_special_seek) ;
-MNG_C_SPECIALFUNC (mng_special_expi) ;
-MNG_C_SPECIALFUNC (mng_special_fpri) ;
-MNG_C_SPECIALFUNC (mng_special_need) ;
-MNG_C_SPECIALFUNC (mng_special_phyg) ;
-
-MNG_C_SPECIALFUNC (mng_special_dhdr) ;
-MNG_C_SPECIALFUNC (mng_special_prom) ;
-MNG_C_SPECIALFUNC (mng_special_ipng) ;
-MNG_C_SPECIALFUNC (mng_special_pplt) ;
-MNG_C_SPECIALFUNC (mng_special_ijng) ;
-MNG_C_SPECIALFUNC (mng_special_drop) ;
-MNG_C_SPECIALFUNC (mng_special_dbyk) ;
-MNG_C_SPECIALFUNC (mng_special_ordr) ;
-
-MNG_C_SPECIALFUNC (mng_special_magn) ;
-MNG_C_SPECIALFUNC (mng_special_evnt) ;
-MNG_C_SPECIALFUNC (mng_special_mpng) ;
-MNG_C_SPECIALFUNC (mng_special_ahdr) ;
-MNG_C_SPECIALFUNC (mng_special_adat) ;
-MNG_C_SPECIALFUNC (mng_special_unknown) ;
-
-/* ************************************************************************** */
-
-#endif /* MNG_INCLUDE_READ_PROCS) || MNG_INCLUDE_WRITE_PROCS */
-#endif /* MNG_OPTIMIZE_CHUNKREADER */
-
-/* ************************************************************************** */
-
-#endif /* _libmng_chunk_descr_h_ */
-
-/* ************************************************************************** */
-/* * end of file                                                            * */
-/* ************************************************************************** */