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[factor-unmaintained.git] / images / processing / rotation / rotation-tests.factor
diff --git a/images/processing/rotation/rotation-tests.factor b/images/processing/rotation/rotation-tests.factor
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+! Copyright (C) 2009 Kobi Lurie, Doug Coleman.
+! See http://factorcode.org/license.txt for BSD license.
+USING: accessors fry images.loader
+images.processing.rotation kernel literals math sequences
+tools.test images.processing.rotation.private ;
+IN: images.processing.rotation.tests
+
+: first-row ( seq^2 -- seq ) first ;
+: first-col ( seq^2 -- item ) harvest [ first ] map ;
+: last-row ( seq^2 -- item ) last ;
+: last-col ( seq^2 -- item ) harvest [ last ] map ;
+: end-of-first-row ( seq^2 -- item ) first-row last ;
+: first-of-first-row ( seq^2 -- item ) first-row first ;
+: end-of-last-row ( seq^2 -- item ) last-row last ;
+: first-of-last-row ( seq^2 -- item ) last-row first ;
+
+<<
+
+: clone-image ( image -- new-image )
+    clone [ clone ] change-bitmap ;
+
+>>
+
+: pasted-image ( -- image )
+    "vocab:images/processing/rotation/test-bitmaps/PastedImage.bmp"
+    load-image clone-image ;
+
+: pasted-image90 ( -- image )
+    "vocab:images/processing/rotation/test-bitmaps/PastedImage90.bmp"
+    load-image clone-image ;
+
+: lake-image ( -- image )
+    "vocab:images/processing/rotation/test-bitmaps/lake.bmp"
+    load-image clone-image image>pixel-rows ;
+
+[ t ] [ pasted-image dup clone-image 4 [ 90 rotate ] times = ] unit-test
+[ t ] [ pasted-image dup clone-image 2 [ 180 rotate ] times = ] unit-test
+[ t ] [ pasted-image dup clone-image 270 rotate 90 rotate = ] unit-test
+[ t ] [
+    pasted-image dup clone-image dup { 90 180 90 } [ rotate drop ] with each =
+] unit-test
+
+[ t ] [
+    pasted-image 90 rotate
+    pasted-image90 = 
+] unit-test
+
+[ t ] [
+    "vocab:images/processing/rotation/test-bitmaps/small.bmp"
+    load-image 90 rotate 
+    "vocab:images/processing/rotation/test-bitmaps/small-rotated.bmp"
+    load-image =
+] unit-test
+    
+[ t ] [
+    lake-image
+    [ first-of-first-row ]
+    [ 90 (rotate) end-of-first-row ] bi =
+] unit-test
+
+[ t ]
+[ lake-image [ first-row ] [ 90 (rotate) last-col ] bi = ] unit-test
+
+[ t ]
+[ lake-image [ last-col ] [ 90 (rotate) last-row reverse ] bi = ] unit-test
+
+[ t ]
+[ lake-image [ last-row ] [ 90 (rotate) first-col ] bi = ] unit-test
+
+[ t ]
+[ lake-image [ first-col ] [ 90 (rotate) first-row reverse ] bi = ] unit-test