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-rw-r--r--vendor/github.com/disintegration/imaging/adjust_test.go504
1 files changed, 504 insertions, 0 deletions
diff --git a/vendor/github.com/disintegration/imaging/adjust_test.go b/vendor/github.com/disintegration/imaging/adjust_test.go
new file mode 100644
index 000000000..99898b0dc
--- /dev/null
+++ b/vendor/github.com/disintegration/imaging/adjust_test.go
@@ -0,0 +1,504 @@
+package imaging
+
+import (
+ "image"
+ "testing"
+)
+
+func TestGrayscale(t *testing.T) {
+ td := []struct {
+ desc string
+ src image.Image
+ want *image.NRGBA
+ }{
+ {
+ "Grayscale 3x3",
+ &image.NRGBA{
+ Rect: image.Rect(-1, -1, 2, 2),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ &image.NRGBA{
+ Rect: image.Rect(0, 0, 3, 3),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0x3d, 0x3d, 0x3d, 0x01, 0x78, 0x78, 0x78, 0x02, 0x17, 0x17, 0x17, 0x03,
+ 0x1f, 0x1f, 0x1f, 0xff, 0x25, 0x25, 0x25, 0xff, 0x66, 0x66, 0x66, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ },
+ }
+ for _, d := range td {
+ got := Grayscale(d.src)
+ want := d.want
+ if !compareNRGBA(got, want, 0) {
+ t.Errorf("test [%s] failed: %#v", d.desc, got)
+ }
+ }
+}
+
+func TestInvert(t *testing.T) {
+ td := []struct {
+ desc string
+ src image.Image
+ want *image.NRGBA
+ }{
+ {
+ "Invert 3x3",
+ &image.NRGBA{
+ Rect: image.Rect(-1, -1, 2, 2),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ &image.NRGBA{
+ Rect: image.Rect(0, 0, 3, 3),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0x33, 0xff, 0xff, 0x01, 0xff, 0x33, 0xff, 0x02, 0xff, 0xff, 0x33, 0x03,
+ 0xee, 0xdd, 0xcc, 0xff, 0xcc, 0xdd, 0xee, 0xff, 0x55, 0xcc, 0x44, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xcc, 0xcc, 0xcc, 0xff, 0x00, 0x00, 0x00, 0xff,
+ },
+ },
+ },
+ }
+ for _, d := range td {
+ got := Invert(d.src)
+ want := d.want
+ if !compareNRGBA(got, want, 0) {
+ t.Errorf("test [%s] failed: %#v", d.desc, got)
+ }
+ }
+}
+
+func TestAdjustContrast(t *testing.T) {
+ td := []struct {
+ desc string
+ src image.Image
+ p float64
+ want *image.NRGBA
+ }{
+ {
+ "AdjustContrast 3x3 10",
+ &image.NRGBA{
+ Rect: image.Rect(-1, -1, 2, 2),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ 10,
+ &image.NRGBA{
+ Rect: image.Rect(0, 0, 3, 3),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xd5, 0x00, 0x00, 0x01, 0x00, 0xd5, 0x00, 0x02, 0x00, 0x00, 0xd5, 0x03,
+ 0x05, 0x18, 0x2b, 0xff, 0x2b, 0x18, 0x05, 0xff, 0xaf, 0x2b, 0xc2, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x2b, 0x2b, 0x2b, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ },
+ {
+ "AdjustContrast 3x3 100",
+ &image.NRGBA{
+ Rect: image.Rect(-1, -1, 2, 2),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ 100,
+ &image.NRGBA{
+ Rect: image.Rect(0, 0, 3, 3),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xff, 0x00, 0x00, 0x01, 0x00, 0xff, 0x00, 0x02, 0x00, 0x00, 0xff, 0x03,
+ 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ },
+ {
+ "AdjustContrast 3x3 -10",
+ &image.NRGBA{
+ Rect: image.Rect(-1, -1, 2, 2),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ -10,
+ &image.NRGBA{
+ Rect: image.Rect(0, 0, 3, 3),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xc4, 0x0d, 0x0d, 0x01, 0x0d, 0xc4, 0x0d, 0x02, 0x0d, 0x0d, 0xc4, 0x03,
+ 0x1c, 0x2b, 0x3b, 0xff, 0x3b, 0x2b, 0x1c, 0xff, 0xa6, 0x3b, 0xb5, 0xff,
+ 0x0d, 0x0d, 0x0d, 0xff, 0x3b, 0x3b, 0x3b, 0xff, 0xf2, 0xf2, 0xf2, 0xff,
+ },
+ },
+ },
+ {
+ "AdjustContrast 3x3 -100",
+ &image.NRGBA{
+ Rect: image.Rect(-1, -1, 2, 2),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ -100,
+ &image.NRGBA{
+ Rect: image.Rect(0, 0, 3, 3),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0x80, 0x80, 0x80, 0x01, 0x80, 0x80, 0x80, 0x02, 0x80, 0x80, 0x80, 0x03,
+ 0x80, 0x80, 0x80, 0xff, 0x80, 0x80, 0x80, 0xff, 0x80, 0x80, 0x80, 0xff,
+ 0x80, 0x80, 0x80, 0xff, 0x80, 0x80, 0x80, 0xff, 0x80, 0x80, 0x80, 0xff,
+ },
+ },
+ },
+ {
+ "AdjustContrast 3x3 0",
+ &image.NRGBA{
+ Rect: image.Rect(-1, -1, 2, 2),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ 0,
+ &image.NRGBA{
+ Rect: image.Rect(0, 0, 3, 3),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ },
+ }
+ for _, d := range td {
+ got := AdjustContrast(d.src, d.p)
+ want := d.want
+ if !compareNRGBA(got, want, 0) {
+ t.Errorf("test [%s] failed: %#v", d.desc, got)
+ }
+ }
+}
+
+func TestAdjustBrightness(t *testing.T) {
+ td := []struct {
+ desc string
+ src image.Image
+ p float64
+ want *image.NRGBA
+ }{
+ {
+ "AdjustBrightness 3x3 10",
+ &image.NRGBA{
+ Rect: image.Rect(-1, -1, 2, 2),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ 10,
+ &image.NRGBA{
+ Rect: image.Rect(0, 0, 3, 3),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xe6, 0x1a, 0x1a, 0x01, 0x1a, 0xe6, 0x1a, 0x02, 0x1a, 0x1a, 0xe6, 0x03,
+ 0x2b, 0x3c, 0x4d, 0xff, 0x4d, 0x3c, 0x2b, 0xff, 0xc4, 0x4d, 0xd5, 0xff,
+ 0x1a, 0x1a, 0x1a, 0xff, 0x4d, 0x4d, 0x4d, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ },
+ {
+ "AdjustBrightness 3x3 100",
+ &image.NRGBA{
+ Rect: image.Rect(-1, -1, 2, 2),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ 100,
+ &image.NRGBA{
+ Rect: image.Rect(0, 0, 3, 3),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xff, 0xff, 0xff, 0x01, 0xff, 0xff, 0xff, 0x02, 0xff, 0xff, 0xff, 0x03,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ },
+ {
+ "AdjustBrightness 3x3 -10",
+ &image.NRGBA{
+ Rect: image.Rect(-1, -1, 2, 2),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ -10,
+ &image.NRGBA{
+ Rect: image.Rect(0, 0, 3, 3),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xb3, 0x00, 0x00, 0x01, 0x00, 0xb3, 0x00, 0x02, 0x00, 0x00, 0xb3, 0x03,
+ 0x00, 0x09, 0x1a, 0xff, 0x1a, 0x09, 0x00, 0xff, 0x91, 0x1a, 0xa2, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x1a, 0x1a, 0x1a, 0xff, 0xe6, 0xe6, 0xe6, 0xff,
+ },
+ },
+ },
+ {
+ "AdjustBrightness 3x3 -100",
+ &image.NRGBA{
+ Rect: image.Rect(-1, -1, 2, 2),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ -100,
+ &image.NRGBA{
+ Rect: image.Rect(0, 0, 3, 3),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x03,
+ 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff,
+ },
+ },
+ },
+ {
+ "AdjustBrightness 3x3 0",
+ &image.NRGBA{
+ Rect: image.Rect(-1, -1, 2, 2),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ 0,
+ &image.NRGBA{
+ Rect: image.Rect(0, 0, 3, 3),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ },
+ }
+ for _, d := range td {
+ got := AdjustBrightness(d.src, d.p)
+ want := d.want
+ if !compareNRGBA(got, want, 0) {
+ t.Errorf("test [%s] failed: %#v", d.desc, got)
+ }
+ }
+}
+
+func TestAdjustGamma(t *testing.T) {
+ td := []struct {
+ desc string
+ src image.Image
+ p float64
+ want *image.NRGBA
+ }{
+ {
+ "AdjustGamma 3x3 0.75",
+ &image.NRGBA{
+ Rect: image.Rect(-1, -1, 2, 2),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ 0.75,
+ &image.NRGBA{
+ Rect: image.Rect(0, 0, 3, 3),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xbd, 0x00, 0x00, 0x01, 0x00, 0xbd, 0x00, 0x02, 0x00, 0x00, 0xbd, 0x03,
+ 0x07, 0x11, 0x1e, 0xff, 0x1e, 0x11, 0x07, 0xff, 0x95, 0x1e, 0xa9, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x1e, 0x1e, 0x1e, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ },
+ {
+ "AdjustGamma 3x3 1.5",
+ &image.NRGBA{
+ Rect: image.Rect(-1, -1, 2, 2),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ 1.5,
+ &image.NRGBA{
+ Rect: image.Rect(0, 0, 3, 3),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xdc, 0x00, 0x00, 0x01, 0x00, 0xdc, 0x00, 0x02, 0x00, 0x00, 0xdc, 0x03,
+ 0x2a, 0x43, 0x57, 0xff, 0x57, 0x43, 0x2a, 0xff, 0xc3, 0x57, 0xcf, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x57, 0x57, 0x57, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ },
+ {
+ "AdjustGamma 3x3 1.0",
+ &image.NRGBA{
+ Rect: image.Rect(-1, -1, 2, 2),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ 1.0,
+ &image.NRGBA{
+ Rect: image.Rect(0, 0, 3, 3),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ },
+ }
+ for _, d := range td {
+ got := AdjustGamma(d.src, d.p)
+ want := d.want
+ if !compareNRGBA(got, want, 0) {
+ t.Errorf("test [%s] failed: %#v", d.desc, got)
+ }
+ }
+}
+
+func TestAdjustSigmoid(t *testing.T) {
+ td := []struct {
+ desc string
+ src image.Image
+ m float64
+ p float64
+ want *image.NRGBA
+ }{
+ {
+ "AdjustSigmoid 3x3 0.5 3.0",
+ &image.NRGBA{
+ Rect: image.Rect(-1, -1, 2, 2),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ 0.5,
+ 3.0,
+ &image.NRGBA{
+ Rect: image.Rect(0, 0, 3, 3),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xd4, 0x00, 0x00, 0x01, 0x00, 0xd4, 0x00, 0x02, 0x00, 0x00, 0xd4, 0x03,
+ 0x0d, 0x1b, 0x2b, 0xff, 0x2b, 0x1b, 0x0d, 0xff, 0xb1, 0x2b, 0xc3, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x2b, 0x2b, 0x2b, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ },
+ {
+ "AdjustSigmoid 3x3 0.5 -3.0",
+ &image.NRGBA{
+ Rect: image.Rect(-1, -1, 2, 2),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ 0.5,
+ -3.0,
+ &image.NRGBA{
+ Rect: image.Rect(0, 0, 3, 3),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xc4, 0x00, 0x00, 0x01, 0x00, 0xc4, 0x00, 0x02, 0x00, 0x00, 0xc4, 0x03,
+ 0x16, 0x2a, 0x3b, 0xff, 0x3b, 0x2a, 0x16, 0xff, 0xa4, 0x3b, 0xb3, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x3b, 0x3b, 0x3b, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ },
+ {
+ "AdjustSigmoid 3x3 0.5 0.0",
+ &image.NRGBA{
+ Rect: image.Rect(-1, -1, 2, 2),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ 0.5,
+ 0.0,
+ &image.NRGBA{
+ Rect: image.Rect(0, 0, 3, 3),
+ Stride: 3 * 4,
+ Pix: []uint8{
+ 0xcc, 0x00, 0x00, 0x01, 0x00, 0xcc, 0x00, 0x02, 0x00, 0x00, 0xcc, 0x03,
+ 0x11, 0x22, 0x33, 0xff, 0x33, 0x22, 0x11, 0xff, 0xaa, 0x33, 0xbb, 0xff,
+ 0x00, 0x00, 0x00, 0xff, 0x33, 0x33, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff,
+ },
+ },
+ },
+ }
+ for _, d := range td {
+ got := AdjustSigmoid(d.src, d.m, d.p)
+ want := d.want
+ if !compareNRGBA(got, want, 0) {
+ t.Errorf("test [%s] failed: %#v", d.desc, got)
+ }
+ }
+}
generated by cgit v1.2.3-1-g7c22 (git 2.25.1) at 2024-06-14 04:41:13 +0000