IntenseWebs/mattermost
3
0
Fork 0
mirror of https://github.com/mattermost/mattermost.git synced 2025-02-25 18:55:24 -06:00
Code Issues Packages Projects Releases Wiki Activity
Files
143e664cd98aec9ee81ba953fd93704b7be33460
mattermost/vendor/github.com/disintegration/imaging/transform_test.go
Christopher Speller 96eab12027 Updating server dependancies. (#7246)
2017-08-17 17:19:06 -07:00

582 lines
14 KiB
Go
Raw Blame History

package imaging
import (
"image"
"image/color"
"testing"
)
func TestFlipH(t *testing.T) {
td := []struct {
desc string
src image.Image
want *image.NRGBA
}{
{
"FlipH 2x3",
&image.NRGBA{
Rect: image.Rect(-1, -1, 1, 2),
Stride: 2 * 4,
Pix: []uint8{
0x00, 0x11, 0x22, 0x33, 0xcc, 0xdd, 0xee, 0xff,
0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00,
0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff,
},
},
&image.NRGBA{
Rect: image.Rect(0, 0, 2, 3),
Stride: 2 * 4,
Pix: []uint8{
0xcc, 0xdd, 0xee, 0xff, 0x00, 0x11, 0x22, 0x33,
0x00, 0xff, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0xff, 0x00,
},
},
},
}
for _, d := range td {
got := FlipH(d.src)
want := d.want
if !compareNRGBA(got, want, 0) {
t.Errorf("test [%s] failed: %#v", d.desc, got)
}
}
}
func TestFlipV(t *testing.T) {
td := []struct {
desc string
src image.Image
want *image.NRGBA
}{
{
"FlipV 2x3",
&image.NRGBA{
Rect: image.Rect(-1, -1, 1, 2),
Stride: 2 * 4,
Pix: []uint8{
0x00, 0x11, 0x22, 0x33, 0xcc, 0xdd, 0xee, 0xff,
0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00,
0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff,
},
},
&image.NRGBA{
Rect: image.Rect(0, 0, 2, 3),
Stride: 2 * 4,
Pix: []uint8{
0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff,
0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00,
0x00, 0x11, 0x22, 0x33, 0xcc, 0xdd, 0xee, 0xff,
},
},
},
}
for _, d := range td {
got := FlipV(d.src)
want := d.want
if !compareNRGBA(got, want, 0) {
t.Errorf("test [%s] failed: %#v", d.desc, got)
}
}
}
func TestTranspose(t *testing.T) {
td := []struct {
desc string
src image.Image
want *image.NRGBA
}{
{
"Transpose 2x3",
&image.NRGBA{
Rect: image.Rect(-1, -1, 1, 2),
Stride: 2 * 4,
Pix: []uint8{
0x00, 0x11, 0x22, 0x33, 0xcc, 0xdd, 0xee, 0xff,
0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00,
0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff,
},
},
&image.NRGBA{
Rect: image.Rect(0, 0, 3, 2),
Stride: 3 * 4,
Pix: []uint8{
0x00, 0x11, 0x22, 0x33, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00,
0xcc, 0xdd, 0xee, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff,
},
},
},
}
for _, d := range td {
got := Transpose(d.src)
want := d.want
if !compareNRGBA(got, want, 0) {
t.Errorf("test [%s] failed: %#v", d.desc, got)
}
}
}
func TestTransverse(t *testing.T) {
td := []struct {
desc string
src image.Image
want *image.NRGBA
}{
{
"Transverse 2x3",
&image.NRGBA{
Rect: image.Rect(-1, -1, 1, 2),
Stride: 2 * 4,
Pix: []uint8{
0x00, 0x11, 0x22, 0x33, 0xcc, 0xdd, 0xee, 0xff,
0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00,
0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff,
},
},
&image.NRGBA{
Rect: image.Rect(0, 0, 3, 2),
Stride: 3 * 4,
Pix: []uint8{
0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0xcc, 0xdd, 0xee, 0xff,
0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x11, 0x22, 0x33,
},
},
},
}
for _, d := range td {
got := Transverse(d.src)
want := d.want
if !compareNRGBA(got, want, 0) {
t.Errorf("test [%s] failed: %#v", d.desc, got)
}
}
}
func TestRotate90(t *testing.T) {
td := []struct {
desc string
src image.Image
want *image.NRGBA
}{
{
"Rotate90 2x3",
&image.NRGBA{
Rect: image.Rect(-1, -1, 1, 2),
Stride: 2 * 4,
Pix: []uint8{
0x00, 0x11, 0x22, 0x33, 0xcc, 0xdd, 0xee, 0xff,
0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00,
0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff,
},
},
&image.NRGBA{
Rect: image.Rect(0, 0, 3, 2),
Stride: 3 * 4,
Pix: []uint8{
0xcc, 0xdd, 0xee, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff,
0x00, 0x11, 0x22, 0x33, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00,
},
},
},
}
for _, d := range td {
got := Rotate90(d.src)
want := d.want
if !compareNRGBA(got, want, 0) {
t.Errorf("test [%s] failed: %#v", d.desc, got)
}
}
}
func TestRotate180(t *testing.T) {
td := []struct {
desc string
src image.Image
want *image.NRGBA
}{
{
"Rotate180 2x3",
&image.NRGBA{
Rect: image.Rect(-1, -1, 1, 2),
Stride: 2 * 4,
Pix: []uint8{
0x00, 0x11, 0x22, 0x33, 0xcc, 0xdd, 0xee, 0xff,
0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00,
0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff,
},
},
&image.NRGBA{
Rect: image.Rect(0, 0, 2, 3),
Stride: 2 * 4,
Pix: []uint8{
0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0xff, 0x00,
0x00, 0xff, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00,
0xcc, 0xdd, 0xee, 0xff, 0x00, 0x11, 0x22, 0x33,
},
},
},
}
for _, d := range td {
got := Rotate180(d.src)
want := d.want
if !compareNRGBA(got, want, 0) {
t.Errorf("test [%s] failed: %#v", d.desc, got)
}
}
}
func TestRotate270(t *testing.T) {
td := []struct {
desc string
src image.Image
want *image.NRGBA
}{
{
"Rotate270 2x3",
&image.NRGBA{
Rect: image.Rect(-1, -1, 1, 2),
Stride: 2 * 4,
Pix: []uint8{
0x00, 0x11, 0x22, 0x33, 0xcc, 0xdd, 0xee, 0xff,
0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00,
0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff,
},
},
&image.NRGBA{
Rect: image.Rect(0, 0, 3, 2),
Stride: 3 * 4,
Pix: []uint8{
0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x11, 0x22, 0x33,
0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0xcc, 0xdd, 0xee, 0xff,
},
},
},
}
for _, d := range td {
got := Rotate270(d.src)
want := d.want
if !compareNRGBA(got, want, 0) {
t.Errorf("test [%s] failed: %#v", d.desc, got)
}
}
}
func TestRotate(t *testing.T) {
testCases := []struct {
desc string
src image.Image
angle float64
bg color.Color
want *image.NRGBA
}{
{
"Rotate 0",
&image.NRGBA{
Rect: image.Rect(-1, -1, 3, 3),
Stride: 4 * 4,
Pix: []uint8{
0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff,
0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff,
0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
},
},
0,
color.Black,
&image.NRGBA{
Rect: image.Rect(0, 0, 4, 4),
Stride: 4 * 4,
Pix: []uint8{
0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff,
0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff,
0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
},
},
},
{
"Rotate 90",
&image.NRGBA{
Rect: image.Rect(-1, -1, 3, 3),
Stride: 4 * 4,
Pix: []uint8{
0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff,
0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff,
0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
},
},
90,
color.Black,
&image.NRGBA{
Rect: image.Rect(0, 0, 4, 4),
Stride: 4 * 4,
Pix: []uint8{
0xff, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
},
},
},
{
"Rotate 180",
&image.NRGBA{
Rect: image.Rect(-1, -1, 3, 3),
Stride: 4 * 4,
Pix: []uint8{
0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff,
0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff,
0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
},
},
180,
color.Black,
&image.NRGBA{
Rect: image.Rect(0, 0, 4, 4),
Stride: 4 * 4,
Pix: []uint8{
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff,
0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff,
0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff,
},
},
},
{
"Rotate 45",
&image.NRGBA{
Rect: image.Rect(-1, -1, 3, 3),
Stride: 4 * 4,
Pix: []uint8{
0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff,
0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff,
0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
},
},
45,
color.Black,
&image.NRGBA{
Rect: image.Rect(0, 0, 6, 6),
Stride: 6 * 4,
Pix: []uint8{
0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff, 0x61, 0x00, 0x00, 0xff, 0x58, 0x08, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff,
0x00, 0x00, 0x00, 0xff, 0x61, 0x00, 0x00, 0xff, 0xe9, 0x16, 0x00, 0xff, 0x35, 0xca, 0x00, 0xff, 0x00, 0x30, 0x30, 0xff, 0x00, 0x00, 0x00, 0xff,
0x61, 0x00, 0x00, 0xff, 0xe9, 0x16, 0x00, 0xff, 0x35, 0xca, 0x00, 0xff, 0x00, 0x80, 0x80, 0xff, 0x35, 0x35, 0xff, 0xff, 0x58, 0x58, 0x61, 0xff,
0x58, 0x08, 0x00, 0xff, 0x35, 0xca, 0x00, 0xff, 0x00, 0x80, 0x80, 0xff, 0x35, 0x35, 0xff, 0xff, 0xe9, 0xe9, 0xff, 0xff, 0x61, 0x61, 0x61, 0xff,
0x00, 0x00, 0x00, 0xff, 0x00, 0x30, 0x30, 0xff, 0x35, 0x35, 0xff, 0xff, 0xe9, 0xe9, 0xff, 0xff, 0x61, 0x61, 0x61, 0xff, 0x00, 0x00, 0x00, 0xff,
0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff, 0x58, 0x58, 0x61, 0xff, 0x61, 0x61, 0x61, 0xff, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff,
},
},
},
{
"Rotate 0x0",
&image.NRGBA{
Rect: image.Rect(0, 0, 0, 0),
Stride: 0,
Pix: []uint8{},
},
123,
color.Black,
&image.NRGBA{
Rect: image.Rect(0, 0, 0, 0),
Stride: 0,
Pix: []uint8{},
},
},
{
"Rotate -90",
&image.NRGBA{
Rect: image.Rect(-1, -1, 0, 1),
Stride: 1 * 4,
Pix: []uint8{
0xff, 0x00, 0x00, 0xff,
0x00, 0xff, 0x00, 0xff,
},
},
-90,
color.Black,
&image.NRGBA{
Rect: image.Rect(0, 0, 2, 1),
Stride: 2 * 4,
Pix: []uint8{
0x00, 0xff, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff,
},
},
},
{
"Rotate -360*10",
&image.NRGBA{
Rect: image.Rect(-1, -1, 0, 1),
Stride: 1 * 4,
Pix: []uint8{
0x00, 0xff, 0x00, 0xff,
0xff, 0x00, 0x00, 0xff,
},
},
-360 * 10,
color.Black,
&image.NRGBA{
Rect: image.Rect(0, 0, 1, 2),
Stride: 1 * 4,
Pix: []uint8{
0x00, 0xff, 0x00, 0xff,
0xff, 0x00, 0x00, 0xff,
},
},
},
{
"Rotate -360*10 + 90",
&image.NRGBA{
Rect: image.Rect(-1, -1, 0, 1),
Stride: 1 * 4,
Pix: []uint8{
0xff, 0x00, 0x00, 0xff,
0x00, 0xff, 0x00, 0xff,
},
},
-360*10 + 90,
color.Black,
&image.NRGBA{
Rect: image.Rect(0, 0, 2, 1),
Stride: 2 * 4,
Pix: []uint8{
0xff, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff,
},
},
},
{
"Rotate -360*10 + 180",
&image.NRGBA{
Rect: image.Rect(-1, -1, 0, 1),
Stride: 1 * 4,
Pix: []uint8{
0xff, 0x00, 0x00, 0xff,
0x00, 0xff, 0x00, 0xff,
},
},
-360*10 + 180,
color.Black,
&image.NRGBA{
Rect: image.Rect(0, 0, 1, 2),
Stride: 1 * 4,
Pix: []uint8{
0x00, 0xff, 0x00, 0xff,
0xff, 0x00, 0x00, 0xff,
},
},
},
{
"Rotate -360*10 + 270",
&image.NRGBA{
Rect: image.Rect(-1, -1, 0, 1),
Stride: 1 * 4,
Pix: []uint8{
0xff, 0x00, 0x00, 0xff,
0x00, 0xff, 0x00, 0xff,
},
},
-360*10 + 270,
color.Black,
&image.NRGBA{
Rect: image.Rect(0, 0, 2, 1),
Stride: 2 * 4,
Pix: []uint8{
0x00, 0xff, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff,
},
},
},
{
"Rotate 360*10",
&image.NRGBA{
Rect: image.Rect(-1, -1, 0, 1),
Stride: 1 * 4,
Pix: []uint8{
0x00, 0xff, 0x00, 0xff,
0xff, 0x00, 0x00, 0xff,
},
},
360 * 10,
color.Black,
&image.NRGBA{
Rect: image.Rect(0, 0, 1, 2),
Stride: 1 * 4,
Pix: []uint8{
0x00, 0xff, 0x00, 0xff,
0xff, 0x00, 0x00, 0xff,
},
},
},
{
"Rotate 360*10 + 90",
&image.NRGBA{
Rect: image.Rect(-1, -1, 0, 1),
Stride: 1 * 4,
Pix: []uint8{
0xff, 0x00, 0x00, 0xff,
0x00, 0xff, 0x00, 0xff,
},
},
360*10 + 90,
color.Black,
&image.NRGBA{
Rect: image.Rect(0, 0, 2, 1),
Stride: 2 * 4,
Pix: []uint8{
0xff, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff,
},
},
},
{
"Rotate 360*10 + 180",
&image.NRGBA{
Rect: image.Rect(-1, -1, 0, 1),
Stride: 1 * 4,
Pix: []uint8{
0xff, 0x00, 0x00, 0xff,
0x00, 0xff, 0x00, 0xff,
},
},
360*10 + 180,
color.Black,
&image.NRGBA{
Rect: image.Rect(0, 0, 1, 2),
Stride: 1 * 4,
Pix: []uint8{
0x00, 0xff, 0x00, 0xff,
0xff, 0x00, 0x00, 0xff,
},
},
},
{
"Rotate 360*10 + 270",
&image.NRGBA{
Rect: image.Rect(-1, -1, 0, 1),
Stride: 1 * 4,
Pix: []uint8{
0xff, 0x00, 0x00, 0xff,
0x00, 0xff, 0x00, 0xff,
},
},
360*10 + 270,
color.Black,
&image.NRGBA{
Rect: image.Rect(0, 0, 2, 1),
Stride: 2 * 4,
Pix: []uint8{
0x00, 0xff, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff,
},
},
},
}
for _, test := range testCases {
got := Rotate(test.src, test.angle, test.bg)
want := test.want
if !compareNRGBA(got, want, 0) {
t.Errorf("test [%s] failed: %#v", test.desc, got)
}
}
}
Reference in New Issue View Git Blame Copy Permalink