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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include "imd.h"
include <gki.h>
include <gset.h>
define DIM 512
define MCXSCALE 64
define MCYSCALE 64
# zoom
procedure t_im()
pointer gp
char output[SZ_FNAME], output_file[SZ_FNAME], device[SZ_FNAME]
int fd
pointer gopen()
bool streq()
int open()
short i,data[DIM+1]
short set_image[6]
int key
real x[30],y[30]
int xjunk, yjunk
begin
call clgstr("output", output, SZ_FNAME)
if (!streq (output, "") ) {
call strcpy (output, output_file, SZ_FNAME)
fd = open (output_file, NEW_FILE, BINARY_FILE)
} else
fd = open ("dev$stdimage", NEW_FILE, BINARY_FILE)
call clgstr("device", device, SZ_FNAME)
gp = gopen ( device, NEW_FILE, fd)
# now zoom after reading button presses
# read first to clear box
call gseti(gp, G_CURSOR, IMD_BUT_RD)
call ggcur(gp, xjunk, yjunk, key)
for ( i = 1 ; i < 5 ; i = i + 1) {
call gseti(gp, G_CURSOR, IMD_BUT_WT)
call ggcur(gp, xjunk, yjunk, key)
data[11] = IMD_ZOOM
data[12] = IMD_WRITE
data[13] = 3
data[14] = IMD_EOD
data[15] = IMD_EOD
data[16] = 0
data[17] = 4
data[18] = (((i-1)* 128)-1) * MCXSCALE
data[19] = (((i-1)* 128)-1) * MCYSCALE
call gescape ( gp, IMD_CONTROL, data[11], 9)
}
# all done
call gclose ( gp )
call close ( fd )
end
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