diff options
Diffstat (limited to 'test_helpers.go')
-rw-r--r-- | test_helpers.go | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/test_helpers.go b/test_helpers.go deleted file mode 100644 index 97a43dd..0000000 --- a/test_helpers.go +++ /dev/null @@ -1,57 +0,0 @@ -// Copyright 2019 Nick White. -// Use of this source code is governed by the GPLv3 -// license that can be found in the LICENSE file. - -package preproc - -// TODO: add different pages as test cases -// TODO: test non integral img version - -import ( - "image" - "image/draw" - "image/png" - "os" -) - -func decode(s string) (*image.Gray, error) { - f, err := os.Open(s) - defer f.Close() - if err != nil { - return nil, err - } - img, err := png.Decode(f) - if err != nil { - return nil, err - } - b := img.Bounds() - gray := image.NewGray(image.Rect(0, 0, b.Dx(), b.Dy())) - draw.Draw(gray, b, img, b.Min, draw.Src) - return gray, nil -} - -func imgsequal(img1 *image.Gray, img2 *image.Gray) bool { - b := img1.Bounds() - if !b.Eq(img2.Bounds()) { - return false - } - for y := b.Min.Y; y < b.Max.Y; y++ { - for x := b.Min.X; x < b.Max.X; x++ { - r0, g0, b0, a0 := img1.At(x, y).RGBA() - r1, g1, b1, a1 := img2.At(x, y).RGBA() - if r0 != r1 { - return false - } - if g0 != g1 { - return false - } - if b0 != b1 { - return false - } - if a0 != a1 { - return false - } - } - } - return true -} |