/unmaintained/images/processing/rotation/rotation-tests.factor

 1! Copyright (C) 2009 Kobi Lurie, Doug Coleman.
 2! See http://factorcode.org/license.txt for BSD license.
 3USING: accessors fry images.loader
 4images.processing.rotation kernel literals math sequences
 5tools.test images.processing.rotation.private ;
 6IN: images.processing.rotation.tests
 7
 8: first-row ( seq^2 -- seq ) first ;
 9: first-col ( seq^2 -- item ) harvest [ first ] map ;
10: last-row ( seq^2 -- item ) last ;
11: last-col ( seq^2 -- item ) harvest [ last ] map ;
12: end-of-first-row ( seq^2 -- item ) first-row last ;
13: first-of-first-row ( seq^2 -- item ) first-row first ;
14: end-of-last-row ( seq^2 -- item ) last-row last ;
15: first-of-last-row ( seq^2 -- item ) last-row first ;
16
17<<
18
19: clone-image ( image -- new-image )
20    clone [ clone ] change-bitmap ;
21
22>>
23
24: pasted-image ( -- image )
25    "vocab:images/processing/rotation/test-bitmaps/PastedImage.bmp"
26    load-image clone-image ;
27
28: pasted-image90 ( -- image )
29    "vocab:images/processing/rotation/test-bitmaps/PastedImage90.bmp"
30    load-image clone-image ;
31
32: lake-image ( -- image )
33    "vocab:images/processing/rotation/test-bitmaps/lake.bmp"
34    load-image clone-image image>pixel-rows ;
35
36[ t ] [ pasted-image dup clone-image 4 [ 90 rotate ] times = ] unit-test
37[ t ] [ pasted-image dup clone-image 2 [ 180 rotate ] times = ] unit-test
38[ t ] [ pasted-image dup clone-image 270 rotate 90 rotate = ] unit-test
39[ t ] [
40    pasted-image dup clone-image dup { 90 180 90 } [ rotate drop ] with each =
41] unit-test
42
43[ t ] [
44    pasted-image 90 rotate
45    pasted-image90 = 
46] unit-test
47
48[ t ] [
49    "vocab:images/processing/rotation/test-bitmaps/small.bmp"
50    load-image 90 rotate 
51    "vocab:images/processing/rotation/test-bitmaps/small-rotated.bmp"
52    load-image =
53] unit-test
54    
55[ t ] [
56    lake-image
57    [ first-of-first-row ]
58    [ 90 (rotate) end-of-first-row ] bi =
59] unit-test
60
61[ t ]
62[ lake-image [ first-row ] [ 90 (rotate) last-col ] bi = ] unit-test
63
64[ t ]
65[ lake-image [ last-col ] [ 90 (rotate) last-row reverse ] bi = ] unit-test
66
67[ t ]
68[ lake-image [ last-row ] [ 90 (rotate) first-col ] bi = ] unit-test
69
70[ t ]
71[ lake-image [ first-col ] [ 90 (rotate) first-row reverse ] bi = ] unit-test