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- /* Copyright (C) 1994, 2000 Aladdin Enterprises. All rights reserved.
-
- This file is part of AFPL Ghostscript.
-
- AFPL Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author or
- distributor accepts any responsibility for the consequences of using it, or
- for whether it serves any particular purpose or works at all, unless he or
- she says so in writing. Refer to the Aladdin Free Public License (the
- "License") for full details.
-
- Every copy of AFPL Ghostscript must include a copy of the License, normally
- in a plain ASCII text file named PUBLIC. The License grants you the right
- to copy, modify and redistribute AFPL Ghostscript, but only under certain
- conditions described in the License. Among other things, the License
- requires that the copyright notice and this notice be preserved on all
- copies.
- */
-
- /*$Id: zfbcp.c,v 1.3 2000/09/19 19:00:53 lpd Exp $ */
- /* (T)BCP filter creation */
- #include "memory_.h"
- #include "ghost.h"
- #include "oper.h"
- #include "gsstruct.h"
- #include "ialloc.h"
- #include "stream.h"
- #include "strimpl.h"
- #include "sbcp.h"
- #include "ifilter.h"
-
- /* Define null handlers for the BCP out-of-band signals. */
- private int
- no_bcp_signal_interrupt(stream_state * st)
- {
- return 0;
- }
- private int
- no_bcp_request_status(stream_state * st)
- {
- return 0;
- }
-
- /* <source> BCPEncode/filter <file> */
- /* <source> <dict> BCPEncode/filter <file> */
- private int
- zBCPE(i_ctx_t *i_ctx_p)
- {
- return filter_write_simple(i_ctx_p, &s_BCPE_template);
- }
-
- /* <target> BCPDecode/filter <file> */
- /* <target> <dict> BCPDecode/filter <file> */
- private int
- zBCPD(i_ctx_t *i_ctx_p)
- {
- stream_BCPD_state state;
-
- state.signal_interrupt = no_bcp_signal_interrupt;
- state.request_status = no_bcp_request_status;
- return filter_read(i_ctx_p, 0, &s_BCPD_template, (stream_state *)&state, 0);
- }
-
- /* <source> TBCPEncode/filter <file> */
- /* <source> <dict> TBCPEncode/filter <file> */
- private int
- zTBCPE(i_ctx_t *i_ctx_p)
- {
- return filter_write_simple(i_ctx_p, &s_TBCPE_template);
- }
-
- /* <target> TBCPDecode/filter <file> */
- /* <target> <dict> TBCPDecode/filter <file> */
- private int
- zTBCPD(i_ctx_t *i_ctx_p)
- {
- stream_BCPD_state state;
-
- state.signal_interrupt = no_bcp_signal_interrupt;
- state.request_status = no_bcp_request_status;
- return filter_read(i_ctx_p, 0, &s_TBCPD_template, (stream_state *)&state, 0);
- }
-
- /* ------ Initialization procedure ------ */
-
- const op_def zfbcp_op_defs[] =
- {
- op_def_begin_filter(),
- {"1BCPEncode", zBCPE},
- {"1BCPDecode", zBCPD},
- {"1TBCPEncode", zTBCPE},
- {"1TBCPDecode", zTBCPD},
- op_def_end(0)
- };
-