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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>
include <imhdr.h>
define DIM 512
define MCXSCALE 64
define MCYSCALE 64
# snap
procedure t_im()
pointer gp
char device[SZ_FNAME]
char cjunk[SZ_FNAME]
pointer gopen()
int dd[LEN_GKIDD]
int key, fnum, zfac
int ps, pe
real x, y
real xjunk, yjunk
int clgeti
bool image, clgetb
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)
# read first to clear box
call gseti(gp, G_CURSOR, IDS_BUT_RD)
call ggcur(gp, xjunk, yjunk, key)
repeat {
if (clgetb ("done?"))
break
zfac = clgeti ("zoom factor")
call clgstr ("Set zoom center, press <cr>", cjunk, SZ_FNAME)
call gseti (gp, G_CURSOR, 1)
call ggcur(gp, x, y, key)
call zm(gp, zfac, x, y)
image = clgetb("Do you want a picture?")
if (image)
call snapi (gp)
else {
repeat {
ps = clgeti ("starting line")
if ( ps == -1)
break
pe = clgeti ("ending line")
call snap (gp, ps, pe)
}
}
}
# all done
call gclose ( gp )
call ids_close
end
# zoom
procedure zm(gp, pow, x, y)
int pow
pointer gp
real x, y
short data[9]
begin
data[1] = IDS_ZOOM
data[2] = IDS_WRITE
data[3] = 3
data[4] = IDS_EOD
data[5] = IDS_EOD
data[6] = 0
data[7] = 2**(pow-1)
data[8] = x * GKI_MAXNDC
data[9] = y * GKI_MAXNDC
call gescape ( gp, IDS_CONTROL, data[1], 9)
end
procedure snap (gp, ps, pe)
pointer gp
int ps, pe
real y
short data[7]
pointer sp
pointer sndata
int i,j
begin
call smark (sp)
data[1] = IDS_SNAP
data[2] = IDS_WRITE
data[3] = 1
data[4] = IDS_EOD
data[5] = IDS_EOD
data[6] = 0
data[7] = IDS_SNAP_RGB
call gescape (gp, IDS_CONTROL, data, 7)
if (pe < ps) {
call eprintf("Can't handle ending position < start \n")
return
}
call salloc ( sndata, DIM, TY_SHORT)
call eprintf ("snapping from %d through %d\n")
call pargi (ps)
call pargi (pe)
call eprintf ("data values 0-5 255 256 511\n")
do i = ps, pe {
y = real(i)*MCYSCALE / GKI_MAXNDC.
call ggcell (gp, Mems[sndata], DIM, 1, 0.0, y, 1.0, y)
call eprintf ("r%3d data:")
call pargi (i)
call eprintf (" %5d %5d %5d %5d %5d %5d %5d %5d %5d\n")
do j = 0, 5
call pargs (Mems[sndata+j])
call pargs (Mems[sndata+255])
call pargs (Mems[sndata+256])
call pargs (Mems[sndata+511])
}
data[1] = IDS_R_SNAPDONE
call gescape (gp, IDS_RESET, data, 1)
call sfree (sp)
end
procedure snapi (gp)
pointer gp
real y
short data[7]
pointer im, immap(), impl2s()
char fname[SZ_FNAME]
int i
begin
call clgstr ("file", fname, SZ_FNAME)
im = immap(fname, NEW_FILE, 0)
IM_PIXTYPE(im) = TY_SHORT
IM_LEN(im,1) = DIM
IM_LEN(im,2) = DIM
data[1] = IDS_SNAP
data[2] = IDS_WRITE
data[3] = 1
data[4] = IDS_EOD
data[5] = IDS_EOD
data[6] = 0
data[7] = IDS_SNAP_RGB
call gescape (gp, IDS_CONTROL, data, 7)
do i = 0, 511 {
if ( mod(i,52) == 0) {
call eprintf ("%d ")
call pargi (100*i/DIM)
call flush (STDERR)
}
y = real(i)*MCYSCALE / GKI_MAXNDC.
call ggcell (gp, Mems[impl2s(im,i+1)], 512, 1, 0.0, y, 1.0, y)
}
call eprintf ("\n")
call imunmap(im)
data[1] = IDS_R_SNAPDONE
call gescape (gp, IDS_RESET, data, 1)
end
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