1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
include <imhdr.h>
# COPYIMG -- Copy one image to another
#
# B.Simon 02-Mar-92 Original
# B.Simon 16-Mar-94 Delete fast copy, check for existing image
procedure copyimg (old, new)
char old[ARB] # i: old image
char new[ARB] # i: new image
#--
int npix, junk
pointer buf1, buf2, im1, im2
long v1[IM_MAXDIM], v2[IM_MAXDIM]
int imaccess()
int imgnls(), imgnll(), imgnlr(), imgnld(), imgnlx()
int impnls(), impnll(), impnlr(), impnld(), impnlx()
pointer immap()
errchk immap, imunmap
begin
# Map the input and output images
# Code adapted from iraf's imcopy task
im1 = immap (old, READ_ONLY, 0)
if (imaccess (new, READ_WRITE) == NO) {
im2 = immap (new, NEW_COPY, im1)
} else {
im2 = immap (new, READ_WRITE, NULL)
}
# Setup start vector for sequential reads and writes
call amovkl (long(1), v1, IM_MAXDIM)
call amovkl (long(1), v2, IM_MAXDIM)
# Copy the image.
npix = IM_LEN(im1, 1)
switch (IM_PIXTYPE(im1)) {
case TY_SHORT:
while (imgnls (im1, buf1, v1) != EOF) {
junk = impnls (im2, buf2, v2)
call amovs (Mems[buf1], Mems[buf2], npix)
}
case TY_USHORT, TY_INT, TY_LONG:
while (imgnll (im1, buf1, v1) != EOF) {
junk = impnll (im2, buf2, v2)
call amovl (Meml[buf1], Meml[buf2], npix)
}
case TY_REAL:
while (imgnlr (im1, buf1, v1) != EOF) {
junk = impnlr (im2, buf2, v2)
call amovr (Memr[buf1], Memr[buf2], npix)
}
case TY_DOUBLE:
while (imgnld (im1, buf1, v1) != EOF) {
junk = impnld (im2, buf2, v2)
call amovd (Memd[buf1], Memd[buf2], npix)
}
case TY_COMPLEX:
while (imgnlx (im1, buf1, v1) != EOF) {
junk = impnlx (im2, buf2, v2)
call amovx (Memx[buf1], Memx[buf2], npix)
}
default:
call error (1, "unknown pixel datatype")
}
# Unmap the images
call imunmap (im2)
call imunmap (im1)
end
|
