60 lines
2.1 KiB
C
60 lines
2.1 KiB
C
/* *****************************************************************************
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* decode/mcs/setup.c -- decode an MCS setup file.
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* Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
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*
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* This file is part of libg1m.
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* libg1m is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 3.0 of the License,
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* or (at your option) any later version.
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*
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* libg1m is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with libg1m; if not, see <http://www.gnu.org/licenses/>.
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* ************************************************************************** */
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#include <libg1m/internals.h>
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/**
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* g1m_decode_mcs_setup:
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* Decode settings.
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*
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* @arg handle the handle to make.
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* @arg buffer the buffer to read from.
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* @arg head the pre-filled head to complete and use.
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* @return the error code (0 if ok).
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*/
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int g1m_decode_mcs_setup(g1m_mcsfile_t **handle, g1m_buffer_t *buffer,
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g1m_mcshead_t *head)
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{
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/* read content */
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uint8_t content[head->size];
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READ(content, head->size)
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/* make final head and file */
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int err = g1m_make_mcsfile(handle, head);
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if (err) return (err);
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g1m_setup_t *sp = &(*handle)->setup;
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/* get input flags */
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switch (content[0x14]) {
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case 0x84: sp->iflags |= g1m_setupiflag_alpha;
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case 0x01: sp->iflags |= g1m_setupiflag_shift; break;
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case 0x04: sp->iflags |= g1m_setupiflag_alpha; break; }
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if (content[0x15] == 0x02) sp->iflags |= g1m_setupiflag_insert;
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if (!content[0x53]) sp->iflags |= g1m_setupiflag_math;
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/* get window flags */
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if (content[0x1C]) sp->wflags |= g1m_setupwflag_grid;
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if (content[0x1D]) sp->wflags |= g1m_setupwflag_axes;
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if (content[0x19]) sp->wflags |= g1m_setupwflag_plot;
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/* TODO: decode more options! */
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/* no error! */
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return (0);
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}
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