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/* $Id: cutils.c,v 1.1 1998/08/17 20:23:26 cthulhu Exp $ */
#include "defines.hh"
#include "canvas.h"
#include "utils.h"
int *global_col_origin;
int *global_row_origin;
int x_coord(int col,Canvas *c) {
if (col < 0) col = 0;
/* if (c->row_origin[1] != DEFCELLHEIGHT)
fprintf(stderr,"Bad call to x_coord\n");*/
return (c->col_origin[col]);
}
int y_coord(int row,Canvas *c) {
if (row < 0) row = 0;
/* if (c->row_origin[1] != DEFCELLHEIGHT)
fprintf(stderr,"Bad call to y_coord\n");*/
return(c->row_origin[row]);
}
int cell_col(int x, Canvas *c) {
int i,j,size;
if (x < 0) x = 0;
for (i = DEFSHEETWIDTH/2, size = DEFSHEETWIDTH/4; ; ) {
if (c->col_origin[i] > x) {
i = i-size;
} else if (c->col_origin[i] == x) {
break;
} else if (c->col_origin[i+1] < x) {
i = i+size;
} else if (c->col_origin[i+1] == x) {
i = i+1; break;
} else break;
if (size > 1) size = size/2;
}
return(i);
}
int cell_row(int x,Canvas *c) {
int i,j,size;
if (x < 0) x = 0;
for (i = DEFSHEETWIDTH/2, size = DEFSHEETWIDTH/4; ; ) {
if (c->row_origin[i] > x) {
i = i-size;
} else if (c->row_origin[i] == x) {
break;
} else if (c->row_origin[i+1] < x) {
i = i+size;
} else if (c->row_origin[i+1] == x) {
i = i+1; break;
} else
break;
if (size > 1) size = size/2;
}
if (i < 0)
fprintf(stderr,"Bad row\n");
return(i);
}
char *coltoa(int col) {
static char rname[3];
register char *p = rname;
if (col >= 26) {
*p++ = (col)/26 + 'A'-1;
col = (col) % 26 ;
}
*p++ = col+'A';
*p = '\0';
return(rname);
}
char *coltoa_formated(int col) {
static char rname[3];
register char *p = rname;
if (col >= 26) {
*p++ = (col)/26 + 'A'-1;
col = (col) % 26 ;
}
*p++ = col+'A';
*p = '\0';
if (col < 26) {
*(p+1) = *p;
*p = ' ';
}
return(rname);
}
char * cell_name_rc(short col, short row) {
static char cell[10];
sprintf(cell,"%s%d",coltoa(col),row+1);
return(cell);
}
Canvas *get_canvas_info(char *pathname) {
return(global_canvas_info);
}
double gettime(char *datestring, int format) {
time_t tt;
struct tm tms;
sscanf(datestring,"%d/%d/%d",&(tms.tm_mon),&(tms.tm_mday),&(tms.tm_year));
tms.tm_sec = 0;
tms.tm_min = 0;
tms.tm_hour = 0;
tms.tm_wday = 0;
tms.tm_yday = 0;
tms.tm_isdst = 0;
tms.tm_mon--; /* Because months are 0 to 11 on tms struct */
tt = mktime(&tms);
return((double)tt/SECONDS_IN_A_DAY+DAYS_BETWEEN_1970_1900);
}
/* $Log: cutils.c,v $
* Revision 1.1 1998/08/17 20:23:26 cthulhu
* Initial revision
* */
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