SNAPSHOT module routines

SNAPSHOT.C -

A Q & D program to load 1 to 4 charts and (and possible indicators) maybe then call the resident EPSON driver for a snapshot suitable for printing with G_RPT.

TDF_Lib buyers - sorry but this program release is meant only as a demo program of the graphics subsystem so I have AWK-ed out EPSON printer stuff and some proprietary indicators.

Function	main
Include file	SNAPSHOT.H
Prototype	void main( int argc , char *argv[] )
Remarks	Program entry point: expected command line input - SNAPSHOT ticker_str [ ticker_str ... ]

Function	local_exit
Include file	SNAPSHOT.H
Prototype	void local_exit( int exit_code )
Remarks	Master program exit catcher. All fatal library errors will also come here.

Function	final_exit_cleanup
Include file	SNAPSHOT.H
Prototype	void final_exit_cleanup( int exit_code )
Remarks	Do final image-rundown cleanup here. Also force debug_flag to TRUE if exit_code != SS_NORMAL.

Function	cntl_c_handler
Include file	SNAPSHOT.H
Prototype	void cntl_c_handler( void )
Remarks	Catch Cntl C so we can exit via exit() and get a full file flush and close on any open files as well as any local rundown.

Function	math_exception_handler
Include file	SNAPSHOT.H
Prototype	void math_exception_handler( int status_word , int error_type )
Remarks	Catch math errors so we can exit via exit() and get a full file flush and close on any open files as well as any local rundown.

Function	dspy_debug_hook_vars
Include file	SNAPSHOT.H
Prototype	void dspy_debug_hook_vars( int exit_code )
Remarks	Display program defined debug vars at image-rundown if debug_flag == TRUE.

Function	output_a_timestamp_msg
Include file	SNAPSHOT.H
Prototype	void output_a_timestamp_msg( char *msg )
Remarks	Output a message with a time stamp to the tube.

Function	cnvt_cmd_ln_args
Include file	SNAPSHOT.H
Prototype	void cnvt_cmd_ln_args( void )
Remarks	Convert, validate or store command switches here.

Function	allocate_data_structures
Include file	SNAPSHOT.H
Prototype	void allocate_data_structures( void )
Remarks	Allocate the program GLOBAL variables.

Function	free_data_structures
Include file	SNAPSHOT.H
Prototype	void free_data_structures( void )
Remarks	Deallocate the program GLOBAL variables.

Function	calc_cycle_position
Include file	SNAPSHOT.H
Prototype	float calc_cycle_position( int cycle_length , int cur_offset )
Remarks	Calculate the current position in a cycle, return x where 1 >= x >= -1 with 1 = top of the cycle & -1 = bottom of the cycle.

Function	auto_select_a_scr
Include file	SNAPSHOT.H
Prototype	void auto_select_a_scr()
Remarks	Draw a specific pre-programmed chart by command line request. Only case 1 currently defined in this demo ( 1 is setup to chart a passed-in ASCII file from a CSTM_RPT log). In my version of this program I use about 10 pre-defined screens which are selected at call time by the calling program for different overlays. You would use this version like this - given a # IND_EXP.TPL - CSTM_RPT export demo template file date # the date will log automatically high log # will output as the second field on each line low log # etc. close log vol log rsi 14 log # this will be exported in the 6th field - open ema 3 rsi_14 log # and this in the open interest field # end IND_EXP.TPL then run CSTM_RPT and request logging of the last 50 records CSTM_RPT IND_EXP.TPL DOW /L50 /onul this will then produce an ASCII file named CSTM_RPT.LOG containing the exported data which can instantly displayed by using - SNAPSHOT /A /s1 CSTM_RPT /A means ASCII file, /s1 - auto_select scr # 1, and CSTM_RPT means that the ASCII ticker to load is CSTM_RPT.

Function	support_chart_movement
Include file	SNAPSHOT.H
Prototype	void support_chart_movement( void )
Remarks	Support movement between the series of charts for DEMO #3 - 1 ticker calls.

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