#ifndef lint
static char SccsId[] = "%W% %G%";
#endif
/* Module: cmdnew.c (Command New)
* Purpose: Orchestrate remembering and forgeting commandline arguments
* Subroutine: init_cmdline() return: void
* Subroutine: get_new_cmd() return: void
* Xlib calls: none
* Copyright: 1997 Smithsonian Astrophysical Observatory
* You may do anything you like with this file except remove
* this copyright. The Smithsonian Astrophysical Observatory
* makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without
* express or implied warranty.
* Modified: {0} Michael VanHilst initial version 9 January 1989
* {1} Jay Travisano (STScI) VMS changes 17 Nov 1989
* {2} MVH BSDonly strings.h compatability 19 Feb 1990
* {3} MVH separate remote IO from file IO 9 March 1990
* {3} Doug Mink initialize min/max flags 8 October 1990
* {4} Doug Mink do not initialize min/max flags 6 June 1997
* {n} <who> -- <does what> -- <when>
*/
#include <stdio.h> /* stderr, NULL, etc. */
#ifndef VMS
#ifdef SYSV
#include <string.h>
#else
#include <strings.h> /* strlen, etc. for unenlightened BSD's */
#endif
#else
#include <string.h>
#endif
#include <X11/Xlib.h> /* X window stuff */
#include <X11/Xutil.h> /* X window manager stuff */
#include "hfiles/define.h" /* define SZ_LINE, SZ_FNAME, etc */
#include "hfiles/struct.h" /* declare structure types */
#include "hfiles/extern.h" /* extern main parameter structures */
#include "hfiles/constant.h" /* define codes */
#include "hfiles/cmdparse.h" /* define parse status bits */
#include "hfiles/edit.h"
#ifdef VMS
#define close_disk close_pipe
#endif
static char input_line[SZ_LINE];
static char fname[SZ_FNAME];
/*
* Subroutine: init_cmdline
* Purpose: Save the original command line in a static string for use
* as an initial command line by get_new_command
* Called by: parse_cmdline() in CmdParse.c
*/
void init_cmdline ( argc, argv )
int argc;
char *argv[];
{
void string_cmdline();
string_cmdline (argc, argv, input_line, SZ_LINE);
}
static EditStruct *cmd_edit;
static char *prompt = "Enter new image file or command line:";
/*
* Subroutine: get_new_cmd
* Purpose: Enter a new command line and respond to it.
* Called by: key_response() in MainKey.c
* Called by: select_environment() in MainSelect.c
*/
static int new_command();
void get_new_cmd ( )
{
int get_edit_input();
EditStruct *init_edit_popup();
if( cmd_edit == NULL )
cmd_edit = init_edit_popup(input_line, SZ_LINE);
if( (get_edit_input(cmd_edit, 0, 1, 1, prompt) <= 0) ||
(cmd_edit->char_cnt == 0) )
return;
(void)strncpy(input_line, cmd_edit->string, cmd_edit->char_cnt);
input_line[cmd_edit->char_cnt] = '\0';
/* parse line and respond */
(void)new_command (input_line);
}
/*
* Subroutine: new_command
* Purpose: Given a new command line, parse it and do what is called for
* Returns: 1 = success, 0 = user decided not to do anything, -1 = error
*/
static char **make_argv();
static int new_file(), form_tokens();
static void redo_displays(), clear_params(), reset_dispparams(), free_argv();
static int new_command ( input_line )
char *input_line;
{
char **argv;
int argc;
int parse_status;
int headersize;
int parse_cmdline(), check_image();
void reinit_color(), redraw_magnifier(), touch_submenu_button();
/* store some key initial values */
headersize = img.headersize;
/* reinitialize user settings */
clear_params();
/* get space for listing tokens */
argv = make_argv(20);
argc = form_tokens(input_line, argv, 20);
/* get values from the command line (uses extern.h) */
parse_status = parse_cmdline(argc, argv, (char **)NULL);
/* move filename to permanent string space, then free token space */
if( (parse_status > 0) && (parse_status & CMD_FNAME) ) {
(void)strcpy(fname, img.filename);
img.filename = fname;
}
free_argv(argv, 20);
if( parse_status < 0 )
return( 0 );
if( parse_status & CMD_COLOR ) {
/* if requesting a different hardware configuration */
/* do this work if it won't otherwise be done */
if( (parse_status & (CMD_FNAME | CMD_FTYPE | CMD_FREAD |
CMD_ROTATE | CMD_SCALIM | CMD_SCALE)) == 0 )
reinit_color(1);
else
reinit_color(0);
}
if( parse_status & (CMD_FNAME | CMD_FTYPE | CMD_FREAD) ) {
if( check_image(&img, parse_status) < 0 ) {
if( parse_status & CMD_COLOR )
redo_displays();
} else
(void)new_file();
} else {
img.headersize = headersize;
if( parse_status & (CMD_ROTATE | CMD_SCALIM) ) {
reset_dispparams();
(void)new_file();
} else if( parse_status & CMD_SCALE ) {
touch_submenu_button(SOP, color.scale.mode);
redo_displays();
} else if( parse_status & CMD_COLOR ) {
/* redraw the magnibox display if color map was changed */
redraw_magnifier();
}
}
return( 1 );
}
/*
* Subroutine: redo_displays
*/
static void redo_displays ( )
{
void new_scalemap(), map_panbox(), map_dispbox(), disp_panbox();
void disp_dispbox(), redraw_magnifier();
/* make the new lookup table */
new_scalemap();
/* refill display buffers with rescaled values and display */
map_panbox();
disp_panbox();
/* panbox first because it is faster */
map_dispbox();
disp_dispbox();
redraw_magnifier();
}
/*
* Subroutine: clear_params
* Purpose: Undo parameters checked for defaults when loading a new image
*/
static void clear_params ( )
{
img.headersize = 0;
img.byte_swap = 0;
img.fdblock = 0;
img.fdcenX = 0.0;
img.fdcenY = 0.0;
img.fiX1 = 0;
img.fiX2 = 0;
img.fiY1 = 0;
img.fiY2 = 0;
}
/*
* Subroutine: reset_dispparams
* Purpose: Set the current display parameters for reloading the image
*/
static void reset_dispparams ( )
{
float zoom;
float fcenX, fcenY;
void d_transform();
if( img.fdcenX == 0.0 ) {
/* calculate file coords of center of display */
d_transform(&coord.imgtofile,
(double)coord.id.cenX, (double)coord.id.cenY, &fcenX, &fcenY);
img.fdcenX = (double)fcenX;
img.fdcenY = (double)fcenY;
}
if( img.fdblock == 0.0 ) {
if( coord.filetoimg.inx_outx != 0.0 )
zoom = coord.filetoimg.inx_outx * coord.imgtodisp.inx_outx;
else
zoom = coord.filetoimg.iny_outx * coord.imgtodisp.inx_outx;
/* take abs */
if( zoom < 0.0 )
zoom = -zoom;
if( zoom < 1.0 )
img.fdblock = (int)(-1.0/zoom);
else
img.fdblock = (int)zoom;
}
}
/*
* Subroutine: make_argv
* Purpose: Allocate space used for commandline
*/
static char **make_argv ( maxargs )
int maxargs;
{
int i;
char **argv;
char *calloc_errchk();
argv = (char **)calloc_errchk(maxargs, sizeof(char **), "Parse buffer");
for( i = 0; i < maxargs; i++ )
argv[i] = calloc_errchk(SZ_FNAME, sizeof(char), "Parse buffer");
return( argv );
}
/*
* Subroutine: free_argv
* Purpose: Free the space used for parsing the command line
*/
static void free_argv ( argv, maxargs )
int maxargs;
char **argv;
{
int i;
for( i=0; i<maxargs; i++ )
free(argv[i]);
free( (char *)argv );
}
/*
* Subroutine: form_tokens
* Purpose: Break a command string into tokens (mimic initial command line)
* Returns: Count of tokens
*/
static int form_tokens ( input_string, argv, maxargs )
char *input_string;
char **argv;
int maxargs;
{
int i;
char format[SZ_LINE];
(void)strcpy(format, "%s");
for( i=1; i<maxargs; i++ )
(void)strncat(format, "%s", SZ_LINE);
return( sscanf(input_string, format,
argv[0], argv[1], argv[2], argv[3], argv[4],
argv[5], argv[6], argv[7], argv[8], argv[9],
argv[10], argv[11], argv[12], argv[13], argv[14],
argv[15], argv[16], argv[17], argv[18], argv[19]) );
}
/*
* Subroutine: new_file
* Purpose: Having the image record set, do all that is needed to load
* a new image file
*/
static int new_file ( )
{
int init_image(), init_imagebuf();
void set_tdisp(), new_display(), new_panbox(), disp_panbox();
/* get the image dimensions (need file name, type) */
if( init_image() == 0 )
return(0);
/* resize the image buffer */
(void)init_imagebuf();
/* set display params and force reassessing and rescaling the image */
set_tdisp(&coord);
buffer.mm.img_leftX = coord.id.srcX1 + 1;
/* read new image data */
new_display(1, 1, 1, 1);
/* replace the panbox with a new one */
new_panbox(1);
disp_panbox();
return( 1 );
}
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