Remove parts that have been moved elsewhere, and rename to rescribe.xyz/utils

bookpipeline is now at rescribe.xyz/bookpipeline
preproc is now at rescribe.xyz/preproc
integralimg is now at rescribe.xyz/preproc/integralimg

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)
-			}
-		})
-	}
-}