Programmer's Reference Manual Intermec Fingerprint® v8.70.0 ...

Chapter —Image Transfer
Example 2: RLL Encoding
To clarify this, lets try a simple example. X’s represent black dots in the
final print out. The pattern shown is 22 bits wide and 32 rows high.
Note:
• Notice the reverse byte order. Count dots from right.
• To the right is a decimal representation of the pattern.
• To get the pattern to appear as printed on this page with direction one,
the last row (row 27) should have the lowest address. Row 18 until 24 is
repeted by the data in row 17.
row 0 XXXXXXXXXXXXXXXXXXXXXX 0,22,0
1 X....................X 0,1,20,1,0
2 X..............XX....X 0,1,4,2,14,1,0
3 X.............X.X....X 0,1,4,1,1,1,13,1,0
4 X............X..X....X 0,1,4,1,2,1,12,1,0
5 X...........X...X....X 0,1,4,1,3,1,11,1,0
6 X..........X....X....X 0,1,4,1,4,1,10,1,0
7 X.........X.....X....X 0,1,4,1,5,1,9,1,0
8 X........X......X....X 0,1,4,1,6,1,8,1,0
9 X...... X.......X....X 0,1,4,1,7,1,7,1,0
10 X......X........X....X 0,1,4,1,8,1,6,1,0
11 X.....X.........X....X 0,1,4,1,9,1,5,1,0
12 X....X..........X....X 0,1,4,1,10,1,4,1,0
13 X...X...........X....X 0,1,4,1,11,1,3,1,0
14 X..X............X....X 0,1,4,1,12,1,2,1,0
15 X.X.............X....X 0,1,4,1,13,1,1,1,0
16 X.XXXXXXXXXXXXXXXXXX.X 0,1,1,18,1,1,0
17 X...............X....X -8,0,1,4,1,15,1,0,-8
18 X...............X....X
19 X...............X....X
20 X...............X....X
21 X...............X....X
22 X...............X....X
23 X...............X....X
24 X...............X....X
25 X.............XXXXX..X 0,1,2,5,13,1,0
26 X....................X 0,1,20,1,0
27 XXXXXXXXXXXXXXXXXXXXXX 0,22,0
28 ..........X........... -4,11,1,10,-4
29 ..........X...........
30 ..........X...........
31 ..........X...........
32 ......XXXXXXXXX....... 7,9,6
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