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ACfax - Fax reception with X11-interface for amateur radio
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Copyright (C) 1995-1998 Andreas Czechanowski, DL4SDC
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program 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. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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andreas.czechanowski@ins.uni-stuttgart.de
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* fax_funcs.h : function declarations and external variable declarations
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* for all fax-related computing
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/* This is the size of the internal raw image storage. Adjust it so that
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the largest picture to expect can fit into memory (4000 * time_in_sec) */
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#define CORESIZE (4560 << 10)
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#define COREMAX (CORESIZE - 1)
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/* set this to pre-define a directory for saving fax-pictures */
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#define FAX_SAVEDIR "."
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/* #define FAX_SAVEDIR "/usr/local/faxsave" */
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/* define this if you run on 8-bit X-displays only, it can speed up the
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image-redrawing by replacing XPutPixel by direct access to memory : */
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/* #define FAST8BIT */
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/* decoding function: initialisation types (see fax_funcs.c) */
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#define D_CPINIT 0x00000001
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#define D_WDINIT 0x00000002
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#define D_LDINIT 0x00000004
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#define D_INITS 0x00000007
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#define D_ALLOWX 0x00000008
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#define D_FLUSHIMG 0x00000010
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/* inverting of color- or grayscale-map, color-flip and rotation possibilities */
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#define FAX_CNOR 0x00000001
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#define FAX_CINV 0x00000002
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#define FAX_POL 0x00000003
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#define FAX_CUNFL 0x00000004
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#define FAX_CFLIP 0x00000008
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#define FAX_CFLS 0x0000000c
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#define FAX_CROT0 0x00000010
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#define FAX_CROT1 0x00000020
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#define FAX_CROT2 0x00000030
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#define FAX_CROTS 0x00000030
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#define FAX_CMODS (FAX_CROTS | FAX_CFLS | FAX_POL)
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/* writing directions for the FAX transmission and reception */
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#define FAX_DIR 0x00000f00
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#define FAX_TOP2BOT 0x00000100
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#define FAX_BOT2TOP 0x00000200
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#define FAX_LEF2RIG 0x00000400
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#define FAX_RIG2LEF 0x00000800
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/* direction order / line direction */
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#define FAX_ROT 0x00003000
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#define FAX_HOR 0x00001000
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#define FAX_VER 0x00002000
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/* phase-signal polarity */
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#define FAX_PHS 0x0000c000
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#define FAX_PWHT 0x00004000
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#define FAX_PBLK 0x00008000
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/* color mode definitions */
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#define FAX_CMODE 0x000f0000
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#define FAX_GRAY 0x00010000
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#define FAX_COLOR 0x00020000
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/* fax receiver/transmitter status flag */
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/* fax file-save opearations */
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#define F_DOSAVE 0 /* save image with captured parameters & close */
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#define F_OPEN 1 /* open new savefile, write header */
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#define F_CLOSE 2 /* close savefile, correct header */
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#define F_GETDIM 3 /* capture current parameters for saving */
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/* fax file-save return values */
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/* fax apt-transmit initialisation commands */
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#define APTX_ISTART 1
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struct fax_savestruct {
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* NOTE : these variables are made global for read-only purposes !
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* to change any of these, use setup_fax().
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extern int lpm; /* current lines-per-minute */
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extern int ixoc; /* current index-of-cooperation */
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extern int devi; /* current selected deviation (for FM) */
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extern int mod_mode; /* current filter and mod.mode (see mod_demod.h) */
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extern int vertical; /* writing direction order vertical first */
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extern int right2left; /* writing direction horizontal */
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extern int bot2top; /* writing direction vertical */
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extern int invphase; /* inverse phase detection */
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extern int invimage; /* inverse image display */
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* these may be changed directly :
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extern int aptstart; /* current APT start frequency */
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extern int aptstop; /* current APT stop frequency */
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extern void (*update_area)(XImage *, int, int, int, int, unsigned, unsigned);
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extern void (*mode_notify)(int);
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void setup_fax(int, int, unsigned,
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Widget, unsigned, unsigned,
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void receive_on(void);
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void receive_off(void);
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void fax_rx_backgnd(XtPointer, int *, XtInputId *);
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void fax_rx_backgnd(XtPointer, XtIntervalId *);
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void decode_fax_gray(int);
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int save_faxfile(char *, int);
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void close_faxsave(void);
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int save_fax_gray(int, int);
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void faxsave_complete(int);
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void sync_phase(int);
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void decode_apt(int);
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void apt_control(int);
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void fax_rx_start(int);
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void fax_rx_phase(int);
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void fax_rx_stop(int);
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void shift_fax_coords(unsigned, unsigned);
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void correct_fax_azimut(int, int);
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void fax_tx_stop(int);
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void fax_tx_start(int);
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void fax_tx_apta(int);
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void fax_tx_aptb(int);
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void fax_tx_phase(int);
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int load_txfile(char *name);
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void fax_tx_backgnd(XtPointer client_data, int *, XtInputId *xid);
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void fax_tx_backgnd(XtPointer client_data, XtIntervalId *xid);
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void transmit_fax_gray(int init);
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void transmit_apt(int init);
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void transmit_phase(int init);
added
removed
fax_funcs.h
