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Diffstat (limited to 'vendor/github.com/disintegration/imaging/convolution_test.go')
-rw-r--r--vendor/github.com/disintegration/imaging/convolution_test.go275
1 files changed, 0 insertions, 275 deletions
diff --git a/vendor/github.com/disintegration/imaging/convolution_test.go b/vendor/github.com/disintegration/imaging/convolution_test.go
deleted file mode 100644
index 5a824ead9..000000000
--- a/vendor/github.com/disintegration/imaging/convolution_test.go
+++ /dev/null
@@ -1,275 +0,0 @@
-package imaging
-
-import (
- "image"
- "testing"
-)
-
-func TestConvolve3x3(t *testing.T) {
- testCases := []struct {
- desc string
- src image.Image
- kernel [9]float64
- options *ConvolveOptions
- want *image.NRGBA
- }{
- {
- "Convolve3x3 0x0",
- &image.NRGBA{
- Rect: image.Rect(0, 0, 0, 0),
- Stride: 0,
- Pix: []uint8{},
- },
- [9]float64{
- 0, 0, 0,
- 0, 1, 0,
- 0, 0, 0,
- },
- nil,
- &image.NRGBA{Rect: image.Rect(0, 0, 0, 0)},
- },
- {
- "Convolve3x3 4x4 identity",
- &image.NRGBA{
- Rect: image.Rect(-1, -1, 3, 3),
- Stride: 4 * 4,
- Pix: []uint8{
- 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
- 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
- 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
- 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
- },
- },
- [9]float64{
- 0, 0, 0,
- 0, 1, 0,
- 0, 0, 0,
- },
- nil,
- &image.NRGBA{
- Rect: image.Rect(0, 0, 4, 4),
- Stride: 4 * 4,
- Pix: []uint8{
- 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
- 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
- 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
- 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
- },
- },
- },
- {
- "Convolve3x3 4x4 abs",
- &image.NRGBA{
- Rect: image.Rect(-1, -1, 3, 3),
- Stride: 4 * 4,
- Pix: []uint8{
- 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
- 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
- 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
- 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
- },
- },
- [9]float64{
- 0, 0, 0,
- 0, -1, 0,
- 0, 0, 0,
- },
- &ConvolveOptions{Abs: true},
- &image.NRGBA{
- Rect: image.Rect(0, 0, 4, 4),
- Stride: 4 * 4,
- Pix: []uint8{
- 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
- 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
- 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
- 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
- },
- },
- },
- {
- "Convolve3x3 4x4 bias",
- &image.NRGBA{
- Rect: image.Rect(-1, -1, 3, 3),
- Stride: 4 * 4,
- Pix: []uint8{
- 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
- 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
- 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
- 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
- },
- },
- [9]float64{
- 0, 0, 0,
- 0, 1, 0,
- 0, 0, 0,
- },
- &ConvolveOptions{Bias: 0x10},
- &image.NRGBA{
- Rect: image.Rect(0, 0, 4, 4),
- Stride: 4 * 4,
- Pix: []uint8{
- 0x10, 0x11, 0x12, 0x03, 0x14, 0x15, 0x16, 0x07, 0x18, 0x19, 0x1a, 0x0b, 0x1c, 0x1d, 0x1e, 0x0f,
- 0x20, 0x21, 0x22, 0x13, 0x24, 0x25, 0x26, 0x17, 0x28, 0x29, 0x2a, 0x1b, 0x2c, 0x2d, 0x2e, 0x1f,
- 0x30, 0x31, 0x32, 0x23, 0x34, 0x35, 0x36, 0x27, 0x38, 0x39, 0x3a, 0x2b, 0x3c, 0x3d, 0x3e, 0x2f,
- 0x40, 0x41, 0x42, 0x33, 0x44, 0x45, 0x46, 0x37, 0x48, 0x49, 0x4a, 0x3b, 0x4c, 0x4d, 0x4e, 0x3f,
- },
- },
- },
- {
- "Convolve3x3 4x4 norm",
- &image.NRGBA{
- Rect: image.Rect(-1, -1, 3, 3),
- Stride: 4 * 4,
- Pix: []uint8{
- 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
- 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
- 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
- 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
- },
- },
- [9]float64{
- 1, 1, 1,
- 1, 1, 1,
- 1, 1, 1,
- },
- &ConvolveOptions{Normalize: true},
- &image.NRGBA{
- Rect: image.Rect(0, 0, 4, 4),
- Stride: 4 * 4,
- Pix: []uint8{
- 0x07, 0x08, 0x09, 0x03, 0x09, 0x0a, 0x0b, 0x07, 0x0d, 0x0e, 0x0f, 0x0b, 0x10, 0x11, 0x12, 0x0f,
- 0x11, 0x12, 0x13, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1b, 0x1c, 0x1d, 0x1f,
- 0x21, 0x22, 0x23, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2b, 0x2c, 0x2d, 0x2f,
- 0x2c, 0x2d, 0x2e, 0x33, 0x2f, 0x30, 0x31, 0x37, 0x33, 0x34, 0x35, 0x3b, 0x35, 0x36, 0x37, 0x3f,
- },
- },
- },
- {
- "Convolve3x3 3x3 laplacian",
- &image.NRGBA{
- Rect: image.Rect(-1, -1, 2, 2),
- Stride: 3 * 4,
- Pix: []uint8{
- 0x00, 0x01, 0x01, 0xff, 0x00, 0x01, 0x02, 0xff, 0x00, 0x01, 0x03, 0xff,
- 0x00, 0x01, 0x04, 0xff, 0x10, 0x10, 0x10, 0xff, 0x00, 0x01, 0x05, 0xff,
- 0x00, 0x01, 0x06, 0xff, 0x00, 0x01, 0x07, 0xff, 0x00, 0x01, 0x08, 0xff,
- },
- },
- [9]float64{
- -1, -1, -1,
- -1, 8, -1,
- -1, -1, -1,
- },
- nil,
- &image.NRGBA{
- Rect: image.Rect(0, 0, 3, 3),
- Stride: 3 * 4,
- Pix: []uint8{
- 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff,
- 0x00, 0x00, 0x00, 0xff, 0x80, 0x78, 0x5c, 0xff, 0x00, 0x00, 0x00, 0xff,
- 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff,
- },
- },
- },
- }
-
- for _, tc := range testCases {
- got := Convolve3x3(tc.src, tc.kernel, tc.options)
- want := tc.want
- if !compareNRGBA(got, want, 0) {
- t.Errorf("test [%s] failed: want %#v got %#v", tc.desc, want, got)
- }
- }
-}
-
-func TestConvolve5x5(t *testing.T) {
- testCases := []struct {
- desc string
- src image.Image
- kernel [25]float64
- options *ConvolveOptions
- want *image.NRGBA
- }{
- {
- "Convolve5x5 4x4 translate",
- &image.NRGBA{
- Rect: image.Rect(-1, -1, 3, 3),
- Stride: 4 * 4,
- Pix: []uint8{
- 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
- 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
- 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
- 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
- },
- },
- [25]float64{
- 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 1,
- },
- nil,
- &image.NRGBA{
- Rect: image.Rect(0, 0, 4, 4),
- Stride: 4 * 4,
- Pix: []uint8{
- 0x28, 0x29, 0x2a, 0x03, 0x2c, 0x2d, 0x2e, 0x07, 0x2c, 0x2d, 0x2e, 0x0b, 0x2c, 0x2d, 0x2e, 0x0f,
- 0x38, 0x39, 0x3a, 0x13, 0x3c, 0x3d, 0x3e, 0x17, 0x3c, 0x3d, 0x3e, 0x1b, 0x3c, 0x3d, 0x3e, 0x1f,
- 0x38, 0x39, 0x3a, 0x23, 0x3c, 0x3d, 0x3e, 0x27, 0x3c, 0x3d, 0x3e, 0x2b, 0x3c, 0x3d, 0x3e, 0x2f,
- 0x38, 0x39, 0x3a, 0x33, 0x3c, 0x3d, 0x3e, 0x37, 0x3c, 0x3d, 0x3e, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
- },
- },
- },
- }
-
- for _, tc := range testCases {
- got := Convolve5x5(tc.src, tc.kernel, tc.options)
- want := tc.want
- if !compareNRGBA(got, want, 0) {
- t.Errorf("test [%s] failed: want %#v got %#v", tc.desc, want, got)
- }
- }
-}
-
-func BenchmarkConvolve3x3(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++ {
- Convolve3x3(
- img,
- [9]float64{
- -1, -1, 0,
- -1, 0, 1,
- 0, 1, 1,
- },
- nil,
- )
- }
-}
-
-func BenchmarkConvolve5x5(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++ {
- Convolve5x5(
- img,
- [25]float64{
- -1, -1, -1, -1, 0,
- -1, -1, -1, 0, 1,
- -1, -1, 0, 1, 1,
- -1, 0, 1, 1, 1,
- 0, 1, 1, 1, 1,
- },
- nil,
- )
- }
-}
generated by cgit v1.2.3-1-g7c22 (git 2.25.1) at 2024-09-29 21:14:28 +0000