diff options
author | Nick White <git@njw.name> | 2019-10-08 12:52:33 +0100 |
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committer | Nick White <git@njw.name> | 2019-10-08 12:52:33 +0100 |
commit | 7482157a03ed3e9d7f45e54a126b391001f34948 (patch) | |
tree | 52f87b9ca159fe4c04a0349de95ea9de82692b3c /preproc/sauvola_test.go | |
parent | d43c11bf653bfe3c1ad1ed277f1ec08bf155cf98 (diff) |
Separate out bookpipeline from catch-all go.git repo, and rename to rescribe.xyz/bookpipeline
The dependencies from the go.git repo will follow in due course.
Diffstat (limited to 'preproc/sauvola_test.go')
-rw-r--r-- | preproc/sauvola_test.go | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/preproc/sauvola_test.go b/preproc/sauvola_test.go deleted file mode 100644 index 2331e10..0000000 --- a/preproc/sauvola_test.go +++ /dev/null @@ -1,70 +0,0 @@ -package preproc - -import ( - "flag" - "fmt" - "image" - "image/png" - "os" - "testing" -) - -func TestBinarization(t *testing.T) { - var slow = flag.Bool("slow", false, "include slow tests") - var update = flag.Bool("updatesauvola", false, "update golden files") - - cases := []struct { - name string - orig string - golden string - ksize float64 - wsize int - }{ - {"integralsauvola", "testdata/pg1.png", "testdata/pg1_integralsauvola_k0.5_w41.png", 0.5, 41}, - {"integralsauvola", "testdata/pg1.png", "testdata/pg1_integralsauvola_k0.5_w19.png", 0.5, 19}, - {"integralsauvola", "testdata/pg1.png", "testdata/pg1_integralsauvola_k0.3_w19.png", 0.3, 19}, - {"sauvola", "testdata/pg1.png", "testdata/pg1_sauvola_k0.5_w41.png", 0.5, 41}, - {"sauvola", "testdata/pg1.png", "testdata/pg1_sauvola_k0.5_w19.png", 0.5, 19}, - {"sauvola", "testdata/pg1.png", "testdata/pg1_sauvola_k0.3_w19.png", 0.3, 19}, - } - - for _, c := range cases { - t.Run(fmt.Sprintf("%s_%0.1f_%d", c.name, c.ksize, c.wsize), func(t *testing.T) { - var actual *image.Gray - orig, err := decode(c.orig) - if err != nil { - t.Fatalf("Could not open file %s: %v\n", c.orig, err) - } - switch c.name { - case "integralsauvola": - actual = IntegralSauvola(orig, c.ksize, c.wsize) - case "sauvola": - if *slow { - actual = Sauvola(orig, c.ksize, c.wsize) - } else { - t.Skip("Skipping slow test; use -slow to run it.\n") - } - default: - t.Fatalf("No method %s\n", c.name) - } - if *update { - f, err := os.Create(c.golden) - defer f.Close() - if err != nil { - t.Fatalf("Could not open file %s to update: %v\n", c.golden, err) - } - err = png.Encode(f, actual) - if err != nil { - t.Fatalf("Could not encode update of %s: %v\n", c.golden, err) - } - } - golden, err := decode(c.golden) - if err != nil { - t.Fatalf("Could not open file %s: %v\n", c.golden, err) - } - if !imgsequal(golden, actual) { - t.Errorf("Binarized %s differs to %s\n", c.orig, c.golden) - } - }) - } -} |