summaryrefslogtreecommitdiffstats
path: root/vendor/github.com/disintegration/imaging/effects_test.go
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/github.com/disintegration/imaging/effects_test.go')
-rw-r--r--vendor/github.com/disintegration/imaging/effects_test.go254
1 files changed, 0 insertions, 254 deletions
diff --git a/vendor/github.com/disintegration/imaging/effects_test.go b/vendor/github.com/disintegration/imaging/effects_test.go
deleted file mode 100644
index 9c787cb49..000000000
--- a/vendor/github.com/disintegration/imaging/effects_test.go
+++ /dev/null
@@ -1,254 +0,0 @@
-package imaging
-
-import (
- "image"
- "testing"
-)
-
-func TestBlur(t *testing.T) {
- td := []struct {
- desc string
- src image.Image
- sigma float64
- want *image.NRGBA
- }{
- {
- "Blur 3x3 0",
- &image.NRGBA{
- Rect: image.Rect(-1, -1, 2, 2),
- Stride: 3 * 4,
- Pix: []uint8{
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x66, 0xaa, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- },
- },
- 0.0,
- &image.NRGBA{
- Rect: image.Rect(0, 0, 3, 3),
- Stride: 3 * 4,
- Pix: []uint8{
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x66, 0xaa, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- },
- },
- },
- {
- "Blur 3x3 0.5",
- &image.NRGBA{
- Rect: image.Rect(-1, -1, 2, 2),
- Stride: 3 * 4,
- Pix: []uint8{
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x66, 0xaa, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- },
- },
- 0.5,
- &image.NRGBA{
- Rect: image.Rect(0, 0, 3, 3),
- Stride: 3 * 4,
- Pix: []uint8{
- 0x66, 0xaa, 0xff, 0x04, 0x66, 0xaa, 0xff, 0x18, 0x66, 0xaa, 0xff, 0x04,
- 0x66, 0xaa, 0xff, 0x18, 0x66, 0xaa, 0xff, 0x9e, 0x66, 0xaa, 0xff, 0x18,
- 0x66, 0xaa, 0xff, 0x04, 0x66, 0xaa, 0xff, 0x18, 0x66, 0xaa, 0xff, 0x04,
- },
- },
- },
- {
- "Blur 3x3 10",
- &image.NRGBA{
- Rect: image.Rect(-1, -1, 2, 2),
- Stride: 3 * 4,
- Pix: []uint8{
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x66, 0xaa, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- },
- },
- 10,
- &image.NRGBA{
- Rect: image.Rect(0, 0, 3, 3),
- Stride: 3 * 4,
- Pix: []uint8{
- 0x66, 0xaa, 0xff, 0x1c, 0x66, 0xaa, 0xff, 0x1c, 0x66, 0xaa, 0xff, 0x1c,
- 0x66, 0xaa, 0xff, 0x1c, 0x66, 0xaa, 0xff, 0x1c, 0x66, 0xaa, 0xff, 0x1c,
- 0x66, 0xaa, 0xff, 0x1c, 0x66, 0xaa, 0xff, 0x1c, 0x66, 0xaa, 0xff, 0x1c,
- },
- },
- },
- }
- for _, d := range td {
- got := Blur(d.src, d.sigma)
- want := d.want
- if !compareNRGBA(got, want, 0) {
- t.Errorf("test [%s] failed: %#v", d.desc, got)
- }
- }
-}
-
-func TestBlurGolden(t *testing.T) {
- src, err := Open("testdata/lena_128.png")
- if err != nil {
- t.Errorf("Open: %v", err)
- }
- for name, sigma := range map[string]float64{
- "out_blur_0.5.png": 0.5,
- "out_blur_1.5.png": 1.5,
- } {
- got := Blur(src, sigma)
- want, err := Open("testdata/" + name)
- if err != nil {
- t.Errorf("Open: %v", err)
- }
- if !compareNRGBA(got, toNRGBA(want), 0) {
- t.Errorf("resulting image differs from golden: %s", name)
- }
- }
-}
-
-func BenchmarkBlur(b *testing.B) {
- b.StopTimer()
- img, err := Open("testdata/lena_512.png")
- if err != nil {
- b.Fatalf("Open: %v", err)
- }
- b.StartTimer()
- for i := 0; i < b.N; i++ {
- Blur(img, 3)
- }
-}
-
-func TestSharpen(t *testing.T) {
- td := []struct {
- desc string
- src image.Image
- sigma float64
- want *image.NRGBA
- }{
- {
- "Sharpen 3x3 0",
- &image.NRGBA{
- Rect: image.Rect(-1, -1, 2, 2),
- Stride: 3 * 4,
- Pix: []uint8{
- 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
- 0x66, 0x66, 0x66, 0x66, 0x77, 0x77, 0x77, 0x77, 0x66, 0x66, 0x66, 0x66,
- 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
- },
- },
- 0,
- &image.NRGBA{
- Rect: image.Rect(0, 0, 3, 3),
- Stride: 3 * 4,
- Pix: []uint8{
- 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
- 0x66, 0x66, 0x66, 0x66, 0x77, 0x77, 0x77, 0x77, 0x66, 0x66, 0x66, 0x66,
- 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
- },
- },
- },
- {
- "Sharpen 3x3 0.5",
- &image.NRGBA{
- Rect: image.Rect(-1, -1, 2, 2),
- Stride: 3 * 4,
- Pix: []uint8{
- 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
- 0x66, 0x66, 0x66, 0x66, 0x77, 0x77, 0x77, 0x77, 0x66, 0x66, 0x66, 0x66,
- 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
- },
- },
- 0.5,
- &image.NRGBA{
- Rect: image.Rect(0, 0, 3, 3),
- Stride: 3 * 4,
- Pix: []uint8{
- 0x66, 0x66, 0x66, 0x66, 0x64, 0x64, 0x64, 0x64, 0x66, 0x66, 0x66, 0x66,
- 0x64, 0x64, 0x64, 0x64, 0x7d, 0x7d, 0x7d, 0x7e, 0x64, 0x64, 0x64, 0x64,
- 0x66, 0x66, 0x66, 0x66, 0x64, 0x64, 0x64, 0x64, 0x66, 0x66, 0x66, 0x66,
- },
- },
- },
- {
- "Sharpen 3x3 100",
- &image.NRGBA{
- Rect: image.Rect(-1, -1, 2, 2),
- Stride: 3 * 4,
- Pix: []uint8{
- 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
- 0x66, 0x66, 0x66, 0x66, 0x77, 0x77, 0x77, 0x77, 0x66, 0x66, 0x66, 0x66,
- 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
- },
- },
- 100,
- &image.NRGBA{
- Rect: image.Rect(0, 0, 3, 3),
- Stride: 3 * 4,
- Pix: []uint8{
- 0x64, 0x64, 0x64, 0x64, 0x64, 0x64, 0x64, 0x64, 0x64, 0x64, 0x64, 0x64,
- 0x64, 0x64, 0x64, 0x64, 0x86, 0x86, 0x86, 0x86, 0x64, 0x64, 0x64, 0x64,
- 0x64, 0x64, 0x64, 0x64, 0x64, 0x64, 0x64, 0x64, 0x64, 0x64, 0x64, 0x64,
- },
- },
- },
- {
- "Sharpen 3x1 10",
- &image.NRGBA{
- Rect: image.Rect(-1, -1, 2, 0),
- Stride: 3 * 4,
- Pix: []uint8{
- 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
- },
- },
- 10,
- &image.NRGBA{
- Rect: image.Rect(0, 0, 3, 1),
- Stride: 3 * 4,
- Pix: []uint8{
- 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
- },
- },
- },
- }
- for _, d := range td {
- got := Sharpen(d.src, d.sigma)
- want := d.want
- if !compareNRGBA(got, want, 0) {
- t.Errorf("test [%s] failed: %#v", d.desc, got)
- }
- }
-}
-
-func TestSharpenGolden(t *testing.T) {
- src, err := Open("testdata/lena_128.png")
- if err != nil {
- t.Errorf("Open: %v", err)
- }
- for name, sigma := range map[string]float64{
- "out_sharpen_0.5.png": 0.5,
- "out_sharpen_1.5.png": 1.5,
- } {
- got := Sharpen(src, sigma)
- want, err := Open("testdata/" + name)
- if err != nil {
- t.Errorf("Open: %v", err)
- }
- if !compareNRGBA(got, toNRGBA(want), 0) {
- t.Errorf("resulting image differs from golden: %s", name)
- }
- }
-}
-
-func BenchmarkSharpen(b *testing.B) {
- b.StopTimer()
- img, err := Open("testdata/lena_512.png")
- if err != nil {
- b.Fatalf("Open: %v", err)
- }
- b.StartTimer()
- for i := 0; i < b.N; i++ {
- Sharpen(img, 3)
- }
-}