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-rw-r--r--vendor/github.com/disintegration/imaging/effects_test.go190
1 files changed, 190 insertions, 0 deletions
diff --git a/vendor/github.com/disintegration/imaging/effects_test.go b/vendor/github.com/disintegration/imaging/effects_test.go
new file mode 100644
index 000000000..a7e8cfffe
--- /dev/null
+++ b/vendor/github.com/disintegration/imaging/effects_test.go
@@ -0,0 +1,190 @@
+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{
+ 0x01, 0x02, 0x04, 0x04, 0x0a, 0x10, 0x18, 0x18, 0x01, 0x02, 0x04, 0x04,
+ 0x09, 0x10, 0x18, 0x18, 0x3f, 0x69, 0x9e, 0x9e, 0x09, 0x10, 0x18, 0x18,
+ 0x01, 0x02, 0x04, 0x04, 0x0a, 0x10, 0x18, 0x18, 0x01, 0x02, 0x04, 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{
+ 0x0b, 0x13, 0x1c, 0x1c, 0x0b, 0x13, 0x1c, 0x1c, 0x0b, 0x13, 0x1c, 0x1c,
+ 0x0b, 0x13, 0x1c, 0x1c, 0x0b, 0x13, 0x1c, 0x1c, 0x0b, 0x13, 0x1c, 0x1c,
+ 0x0b, 0x13, 0x1c, 0x1c, 0x0b, 0x13, 0x1c, 0x1c, 0x0b, 0x13, 0x1c, 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 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, 0x7e, 0x7e, 0x7e, 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)
+ }
+ }
+}