blob: 6cb5533fdabc52567ea25750dc370567032d37a9 (
plain) (
blame)
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
|
#! /bin/bash
# This script tests: pamslice pamdeinterlace
# Also requires: pamcut pamtopnm pamflip
# Test 1.
# Slice rows, one by one, out of testgrid.pbm.
# Add header and reconstruct pbm image.
# Note that in pamslice output 0 is white and 1 is black: opposite of PBM
# Should print 2425386270 41
(echo "P1"
echo "14 16"
seq 0 15 | while read i;
do
pamslice -row=$i testgrid.pbm
done | awk '{print $2}' | sed 'y/01/10/' ) \
| pamtopnm | cksum
# Test 2.
# Slice rows, one by one, out of ppm test image
# We take a part out of testimg.ppm with pamcut for processing the
# whole image takes much time.
# Add header and reconstruct ppm image.
# Should print 914327477 4864
tmpdir=${tmpdir:-/tmp}
test4933_ppm=${tmpdir}/test4933.ppm
pamcut 50 50 49 33 testimg.ppm > ${test4933_ppm}
(echo "P3"
echo "49 33"
echo "255"
seq 0 32 | while read i;
do
pamslice -row=$i ${test4933_ppm}
done | awk '{print $2, $3, $4}' ) \
| pamtopnm | cksum
# Same as above test 2, but take cols instead of rows.
# Should print 914327477 4864
(echo "P3"
echo "33 49"
echo "255"
seq 0 48 | while read i;
do
pamslice -col=$i ${test4933_ppm}
done | awk '{print $2, $3, $4}' ) \
| pamflip -xy | cksum
# Test 4.
# Divide input image into two with pamdeinterlace and recombine.
testeven_ppm=${tmpdir}/testeven.ppm
testodd_ppm=${tmpdir}/testodd.ppm
pamdeinterlace -takeodd ${test4933_ppm} > ${testodd_ppm}
pamdeinterlace -takeeven ${test4933_ppm} > ${testeven_ppm}
(echo "P3"
echo "49 33"
echo "255"
( seq 0 15 | while read i;
do
pamslice -row=$i ${testeven_ppm}
pamslice -row=$i ${testodd_ppm}
done
pamslice -row=16 ${testeven_ppm};
) | awk '{print $2, $3, $4}' ) \
| pamtopnm | cksum
rm ${test4933_ppm} ${testodd_ppm} ${testeven_ppm}
|
