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
|
# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <gset.h>
include "gks.h"
# GCAS -- Cell array. Output a cell array to the specified output device
# area. This version of GCA intended for input color array of type short.
procedure gcas (px, py, qx, qy, dimx, dimy, ncs, nrs, dx, dy, colia)
real px, py, qx, qy # Two points (P, Q) in world coordinates
int dx, dy # Number of columns, number of rows
int dimx, dimy # Dimensions of color index array
int ncs, nrs # Starting column, row of color array
short colia[dimx, dimy] # Colour index array
int i, j, off
pointer sp, pixels
include "gks.com"
begin
if (ncs == 1 && nrs == 1) {
# Output color array to all active workstations.
do i = 1, NDEV
if (gk_status[i] == ACTIVE)
call gpcell (gp[i], Mems[pixels], dx, dy, px, py, qx, qy)
} else {
# Cell array is subraster of a larger array
call smark (sp)
call salloc (pixels, dx * dy, TY_SHORT)
# Extract subraster
do j = 1, dy {
off = (j - 1) * dx
call amovs (colia[ncs,nrs+j-1], Mems[off], dx)
}
# Output color array to all active workstations.
do i = 1, NDEV
if (gk_status[i] == ACTIVE)
call gpcell (gp[i], Mems[pixels], dx, dy, px, py, qx, qy)
call sfree (sp)
}
end
|
