/* Copyright (C) 1998, 1999 artofcode LLC. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA, 02111-1307. */ /*$Id: sddparam.c,v 1.2.6.1.2.1 2003/01/17 00:49:05 giles Exp $ */ /* DCTDecode filter parameter setting and reading */ #include "std.h" #include "jpeglib_.h" #include "gserror.h" #include "gserrors.h" #include "gstypes.h" #include "gsmemory.h" #include "gsparam.h" #include "strimpl.h" /* sdct.h requires this */ #include "sdct.h" #include "sdcparam.h" #include "sjpeg.h" /* ================ Get parameters ================ */ stream_state_proc_get_params(s_DCTD_get_params, stream_DCT_state); /* check */ int s_DCTD_get_params(gs_param_list * plist, const stream_DCT_state * ss, bool all) { stream_DCT_state dcts_defaults; const stream_DCT_state *defaults; if (all) defaults = 0; else { (*s_DCTE_template.set_defaults) ((stream_state *) & dcts_defaults); defaults = &dcts_defaults; } /****** NYI ******/ return s_DCT_get_params(plist, ss, defaults); } /* ================ Put parameters ================ */ stream_state_proc_put_params(s_DCTD_put_params, stream_DCT_state); /* check */ int s_DCTD_put_params(gs_param_list * plist, stream_DCT_state * pdct) { int code; if ((code = s_DCT_put_params(plist, pdct)) < 0 || /* * DCTDecode accepts quantization and huffman tables * in case these tables have been omitted from the datastream. */ (code = s_DCT_put_huffman_tables(plist, pdct, false)) < 0 || (code = s_DCT_put_quantization_tables(plist, pdct, false)) < 0 ) DO_NOTHING; return code; }