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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <error.h>
include <fio.h>
include <fset.h>
include "ids.h"
include <gki.h>
include <gset.h>
define DIM 512
define MCXSCALE 64
define MCYSCALE 64
# zoom
procedure t_im()
pointer gp
char device[SZ_FNAME]
pointer gopen()
int dd[LEN_GKIDD]
short i,data[DIM+1]
short set_image[6]
int key
real x[30],y[30]
real xjunk, yjunk
begin
call clgstr("device", device, SZ_FNAME)
call ids_open (device, dd)
call gki_inline_kernel (STDIMAGE, dd)
gp = gopen ( device, NEW_FILE, STDIMAGE)
call fseti (STDIMAGE, F_TYPE, SPOOL_FILE)
call fseti (STDIMAGE, F_CANCEL, OK)
call ids_grstream (STDIMAGE)
# now zoom after reading button presses
# read first to clear box
call gseti(gp, G_CURSOR, IDS_BUT_RD)
call ggcur(gp, xjunk, yjunk, key)
for ( i = 1 ; i < 5 ; i = i + 1) {
call gseti (gp, G_CURSOR, IDS_BUT_WT)
call ggcur(gp, xjunk, yjunk, key)
call gseti (gp, G_CURSOR, 1)
call rpc(gp, xjunk, yjunk, key)
data[11] = IDS_ZOOM
data[12] = IDS_WRITE
data[13] = 3
data[14] = IDS_EOD
data[15] = IDS_EOD
data[16] = 0
data[17] = 4
data[18] = min(((i-1)* 128) * MCXSCALE, GKI_MAXNDC)
data[19] = min(((i-1)* 128) * MCYSCALE, GKI_MAXNDC)
call gescape ( gp, IDS_CONTROL, data[11], 9)
}
# all done
call gclose ( gp )
call ids_close
end
# rpcursor --- read and print cursor
procedure rpc(gp, sx, sy, key)
pointer gp
real sx,sy
int key
begin
call ggcur (gp, sx, sy, key)
call eprintf("cursor: (%f,%f) (%d,%d) key %d\n")
call pargr (sx)
call pargr (sy)
call pargi ( int(sx*32767)/64)
call pargi ( int(sy*32767)/64)
call pargi (key)
end
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