Moving to glide
Этот коммит содержится в:
Christopher Speller
652
vendor/github.com/disintegration/imaging/tools_test.go
сгенерированный
поставляемый
Обычный файл
652
vendor/github.com/disintegration/imaging/tools_test.go
сгенерированный
поставляемый
Обычный файл
@@ -0,0 +1,652 @@
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package imaging
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import (
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"image"
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"testing"
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)
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func TestCrop(t *testing.T) {
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td := []struct {
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desc string
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src image.Image
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r image.Rectangle
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want *image.NRGBA
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}{
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{
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"Crop 2x3 2x1",
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&image.NRGBA{
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Rect: image.Rect(-1, -1, 1, 2),
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Stride: 2 * 4,
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Pix: []uint8{
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0x00, 0x11, 0x22, 0x33, 0xcc, 0xdd, 0xee, 0xff,
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0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00,
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0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff,
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},
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},
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image.Rect(-1, 0, 1, 1),
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&image.NRGBA{
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Rect: image.Rect(0, 0, 2, 1),
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Stride: 2 * 4,
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Pix: []uint8{
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0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00,
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},
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},
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},
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}
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for _, d := range td {
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got := Crop(d.src, d.r)
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want := d.want
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if !compareNRGBA(got, want, 0) {
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t.Errorf("test [%s] failed: %#v", d.desc, got)
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}
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}
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}
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func TestCropCenter(t *testing.T) {
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td := []struct {
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desc string
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src image.Image
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w, h int
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want *image.NRGBA
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}{
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{
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"CropCenter 2x3 2x1",
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&image.NRGBA{
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Rect: image.Rect(-1, -1, 1, 2),
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Stride: 2 * 4,
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Pix: []uint8{
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0x00, 0x11, 0x22, 0x33, 0xcc, 0xdd, 0xee, 0xff,
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0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00,
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0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff,
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},
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},
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2, 1,
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&image.NRGBA{
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Rect: image.Rect(0, 0, 2, 1),
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Stride: 2 * 4,
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Pix: []uint8{
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0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00,
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},
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},
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},
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{
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"CropCenter 2x3 0x1",
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&image.NRGBA{
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Rect: image.Rect(-1, -1, 1, 2),
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Stride: 2 * 4,
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Pix: []uint8{
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0x00, 0x11, 0x22, 0x33, 0xcc, 0xdd, 0xee, 0xff,
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0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00,
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0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff,
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},
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},
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0, 1,
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&image.NRGBA{
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Rect: image.Rect(0, 0, 0, 0),
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Stride: 0,
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Pix: []uint8{},
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},
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},
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{
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"CropCenter 2x3 5x5",
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&image.NRGBA{
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Rect: image.Rect(-1, -1, 1, 2),
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Stride: 2 * 4,
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Pix: []uint8{
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0x00, 0x11, 0x22, 0x33, 0xcc, 0xdd, 0xee, 0xff,
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0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00,
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0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff,
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},
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},
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5, 5,
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&image.NRGBA{
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Rect: image.Rect(0, 0, 2, 3),
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Stride: 2 * 4,
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Pix: []uint8{
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0x00, 0x11, 0x22, 0x33, 0xcc, 0xdd, 0xee, 0xff,
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0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00,
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0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff,
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},
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},
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},
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}
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for _, d := range td {
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got := CropCenter(d.src, d.w, d.h)
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want := d.want
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if !compareNRGBA(got, want, 0) {
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t.Errorf("test [%s] failed: %#v", d.desc, got)
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}
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}
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}
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func TestCropAnchor(t *testing.T) {
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td := []struct {
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desc string
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src image.Image
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w, h int
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anchor Anchor
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want *image.NRGBA
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}{
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{
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"CropAnchor 4x4 2x2 TopLeft",
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&image.NRGBA{
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Rect: image.Rect(-1, -1, 3, 3),
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Stride: 4 * 4,
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Pix: []uint8{
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
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0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
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0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
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},
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},
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2, 2,
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TopLeft,
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&image.NRGBA{
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Rect: image.Rect(0, 0, 2, 2),
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Stride: 2 * 4,
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Pix: []uint8{
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
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},
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},
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},
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{
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"CropAnchor 4x4 2x2 Top",
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&image.NRGBA{
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Rect: image.Rect(-1, -1, 3, 3),
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Stride: 4 * 4,
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Pix: []uint8{
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
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0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
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0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
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},
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},
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2, 2,
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Top,
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&image.NRGBA{
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Rect: image.Rect(0, 0, 2, 2),
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Stride: 2 * 4,
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Pix: []uint8{
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0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
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0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b,
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},
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},
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},
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{
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"CropAnchor 4x4 2x2 TopRight",
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&image.NRGBA{
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Rect: image.Rect(-1, -1, 3, 3),
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Stride: 4 * 4,
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Pix: []uint8{
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
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0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
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0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
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},
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},
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2, 2,
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TopRight,
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&image.NRGBA{
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Rect: image.Rect(0, 0, 2, 2),
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Stride: 2 * 4,
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Pix: []uint8{
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0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
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0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
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},
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},
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},
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{
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"CropAnchor 4x4 2x2 Left",
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&image.NRGBA{
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Rect: image.Rect(-1, -1, 3, 3),
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Stride: 4 * 4,
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Pix: []uint8{
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
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0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
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0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
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},
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},
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2, 2,
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Left,
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&image.NRGBA{
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Rect: image.Rect(0, 0, 2, 2),
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Stride: 2 * 4,
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Pix: []uint8{
|
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
|
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0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
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},
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},
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},
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{
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"CropAnchor 4x4 2x2 Center",
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&image.NRGBA{
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Rect: image.Rect(-1, -1, 3, 3),
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Stride: 4 * 4,
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Pix: []uint8{
|
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
|
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
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0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
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0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
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},
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},
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2, 2,
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Center,
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&image.NRGBA{
|
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Rect: image.Rect(0, 0, 2, 2),
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Stride: 2 * 4,
|
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Pix: []uint8{
|
||||
0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b,
|
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0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b,
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},
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},
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},
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{
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"CropAnchor 4x4 2x2 Right",
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&image.NRGBA{
|
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Rect: image.Rect(-1, -1, 3, 3),
|
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Stride: 4 * 4,
|
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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,
|
||||
},
|
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},
|
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2, 2,
|
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Right,
|
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&image.NRGBA{
|
||||
Rect: image.Rect(0, 0, 2, 2),
|
||||
Stride: 2 * 4,
|
||||
Pix: []uint8{
|
||||
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
|
||||
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
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"CropAnchor 4x4 2x2 BottomLeft",
|
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&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,
|
||||
},
|
||||
},
|
||||
2, 2,
|
||||
BottomLeft,
|
||||
&image.NRGBA{
|
||||
Rect: image.Rect(0, 0, 2, 2),
|
||||
Stride: 2 * 4,
|
||||
Pix: []uint8{
|
||||
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
|
||||
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
"CropAnchor 4x4 2x2 Bottom",
|
||||
&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,
|
||||
},
|
||||
},
|
||||
2, 2,
|
||||
Bottom,
|
||||
&image.NRGBA{
|
||||
Rect: image.Rect(0, 0, 2, 2),
|
||||
Stride: 2 * 4,
|
||||
Pix: []uint8{
|
||||
0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b,
|
||||
0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
"CropAnchor 4x4 2x2 BottomRight",
|
||||
&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,
|
||||
},
|
||||
},
|
||||
2, 2,
|
||||
BottomRight,
|
||||
&image.NRGBA{
|
||||
Rect: image.Rect(0, 0, 2, 2),
|
||||
Stride: 2 * 4,
|
||||
Pix: []uint8{
|
||||
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
|
||||
0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
"CropAnchor 4x4 0x0 BottomRight",
|
||||
&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,
|
||||
},
|
||||
},
|
||||
0, 0,
|
||||
BottomRight,
|
||||
&image.NRGBA{
|
||||
Rect: image.Rect(0, 0, 0, 0),
|
||||
Stride: 0,
|
||||
Pix: []uint8{},
|
||||
},
|
||||
},
|
||||
{
|
||||
"CropAnchor 4x4 100x100 BottomRight",
|
||||
&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,
|
||||
},
|
||||
},
|
||||
100, 100,
|
||||
BottomRight,
|
||||
&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,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
"CropAnchor 4x4 1x100 BottomRight",
|
||||
&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,
|
||||
},
|
||||
},
|
||||
1, 100,
|
||||
BottomRight,
|
||||
&image.NRGBA{
|
||||
Rect: image.Rect(0, 0, 1, 4),
|
||||
Stride: 1 * 4,
|
||||
Pix: []uint8{
|
||||
0x0c, 0x0d, 0x0e, 0x0f,
|
||||
0x1c, 0x1d, 0x1e, 0x1f,
|
||||
0x2c, 0x2d, 0x2e, 0x2f,
|
||||
0x3c, 0x3d, 0x3e, 0x3f,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
"CropAnchor 4x4 0x100 BottomRight",
|
||||
&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,
|
||||
},
|
||||
},
|
||||
0, 100,
|
||||
BottomRight,
|
||||
&image.NRGBA{
|
||||
Rect: image.Rect(0, 0, 0, 0),
|
||||
Stride: 0,
|
||||
Pix: []uint8{},
|
||||
},
|
||||
},
|
||||
}
|
||||
for _, d := range td {
|
||||
got := CropAnchor(d.src, d.w, d.h, d.anchor)
|
||||
want := d.want
|
||||
if !compareNRGBA(got, want, 0) {
|
||||
t.Errorf("test [%s] failed: %#v", d.desc, got)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestPaste(t *testing.T) {
|
||||
td := []struct {
|
||||
desc string
|
||||
src1 image.Image
|
||||
src2 image.Image
|
||||
p image.Point
|
||||
want *image.NRGBA
|
||||
}{
|
||||
{
|
||||
"Paste 2x3 2x1",
|
||||
&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(1, 1, 3, 2),
|
||||
Stride: 2 * 4,
|
||||
Pix: []uint8{
|
||||
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
|
||||
},
|
||||
},
|
||||
image.Pt(-1, 0),
|
||||
&image.NRGBA{
|
||||
Rect: image.Rect(0, 0, 2, 3),
|
||||
Stride: 2 * 4,
|
||||
Pix: []uint8{
|
||||
0x00, 0x11, 0x22, 0x33, 0xcc, 0xdd, 0xee, 0xff,
|
||||
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
|
||||
0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff,
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
for _, d := range td {
|
||||
got := Paste(d.src1, d.src2, d.p)
|
||||
want := d.want
|
||||
if !compareNRGBA(got, want, 0) {
|
||||
t.Errorf("test [%s] failed: %#v", d.desc, got)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestPasteCenter(t *testing.T) {
|
||||
td := []struct {
|
||||
desc string
|
||||
src1 image.Image
|
||||
src2 image.Image
|
||||
want *image.NRGBA
|
||||
}{
|
||||
{
|
||||
"PasteCenter 2x3 2x1",
|
||||
&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(1, 1, 3, 2),
|
||||
Stride: 2 * 4,
|
||||
Pix: []uint8{
|
||||
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
|
||||
},
|
||||
},
|
||||
&image.NRGBA{
|
||||
Rect: image.Rect(0, 0, 2, 3),
|
||||
Stride: 2 * 4,
|
||||
Pix: []uint8{
|
||||
0x00, 0x11, 0x22, 0x33, 0xcc, 0xdd, 0xee, 0xff,
|
||||
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
|
||||
0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff,
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
for _, d := range td {
|
||||
got := PasteCenter(d.src1, d.src2)
|
||||
want := d.want
|
||||
if !compareNRGBA(got, want, 0) {
|
||||
t.Errorf("test [%s] failed: %#v", d.desc, got)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestOverlay(t *testing.T) {
|
||||
td := []struct {
|
||||
desc string
|
||||
src1 image.Image
|
||||
src2 image.Image
|
||||
p image.Point
|
||||
a float64
|
||||
want *image.NRGBA
|
||||
}{
|
||||
{
|
||||
"Overlay 2x3 2x1 1.0",
|
||||
&image.NRGBA{
|
||||
Rect: image.Rect(-1, -1, 1, 2),
|
||||
Stride: 2 * 4,
|
||||
Pix: []uint8{
|
||||
0x00, 0x11, 0x22, 0x33, 0xcc, 0xdd, 0xee, 0xff,
|
||||
0x60, 0x00, 0x90, 0xff, 0xff, 0x00, 0x99, 0x7f,
|
||||
0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff,
|
||||
},
|
||||
},
|
||||
&image.NRGBA{
|
||||
Rect: image.Rect(1, 1, 3, 2),
|
||||
Stride: 2 * 4,
|
||||
Pix: []uint8{
|
||||
0x20, 0x40, 0x80, 0x7f, 0xaa, 0xbb, 0xcc, 0xff,
|
||||
},
|
||||
},
|
||||
image.Pt(-1, 0),
|
||||
1.0,
|
||||
&image.NRGBA{
|
||||
Rect: image.Rect(0, 0, 2, 3),
|
||||
Stride: 2 * 4,
|
||||
Pix: []uint8{
|
||||
0x00, 0x11, 0x22, 0x33, 0xcc, 0xdd, 0xee, 0xff,
|
||||
0x40, 0x1f, 0x88, 0xff, 0xaa, 0xbb, 0xcc, 0xff,
|
||||
0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
"Overlay 2x2 2x2 0.5",
|
||||
&image.NRGBA{
|
||||
Rect: image.Rect(-1, -1, 1, 1),
|
||||
Stride: 2 * 4,
|
||||
Pix: []uint8{
|
||||
0xff, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff,
|
||||
0x00, 0x00, 0xff, 0xff, 0x20, 0x20, 0x20, 0x00,
|
||||
},
|
||||
},
|
||||
&image.NRGBA{
|
||||
Rect: image.Rect(-1, -1, 1, 1),
|
||||
Stride: 2 * 4,
|
||||
Pix: []uint8{
|
||||
0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,
|
||||
0xff, 0xff, 0x00, 0xff, 0x20, 0x20, 0x20, 0xff,
|
||||
},
|
||||
},
|
||||
image.Pt(-1, -1),
|
||||
0.5,
|
||||
&image.NRGBA{
|
||||
Rect: image.Rect(0, 0, 2, 2),
|
||||
Stride: 2 * 4,
|
||||
Pix: []uint8{
|
||||
0xff, 0x7f, 0x7f, 0xff, 0x00, 0xff, 0x00, 0xff,
|
||||
0x7f, 0x7f, 0x7f, 0xff, 0x20, 0x20, 0x20, 0x7f,
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
for _, d := range td {
|
||||
got := Overlay(d.src1, d.src2, d.p, d.a)
|
||||
want := d.want
|
||||
if !compareNRGBA(got, want, 1) {
|
||||
t.Errorf("test [%s] failed: %#v", d.desc, got)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestOverlayCenter(t *testing.T) {
|
||||
td := []struct {
|
||||
desc string
|
||||
src1 image.Image
|
||||
src2 image.Image
|
||||
a float64
|
||||
want *image.NRGBA
|
||||
}{
|
||||
{
|
||||
"OverlayCenter 2x3 2x1",
|
||||
&image.NRGBA{
|
||||
Rect: image.Rect(-1, -1, 1, 2),
|
||||
Stride: 2 * 4,
|
||||
Pix: []uint8{
|
||||
0x10, 0x10, 0x10, 0xff, 0x10, 0x10, 0x10, 0xff,
|
||||
0x10, 0x10, 0x10, 0xff, 0x10, 0x10, 0x10, 0xff,
|
||||
0x10, 0x10, 0x10, 0xff, 0x10, 0x10, 0x10, 0xff,
|
||||
},
|
||||
},
|
||||
&image.NRGBA{
|
||||
Rect: image.Rect(1, 1, 3, 2),
|
||||
Stride: 2 * 4,
|
||||
Pix: []uint8{
|
||||
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
||||
},
|
||||
},
|
||||
0.5,
|
||||
&image.NRGBA{
|
||||
Rect: image.Rect(0, 0, 2, 3),
|
||||
Stride: 2 * 4,
|
||||
Pix: []uint8{
|
||||
0x10, 0x10, 0x10, 0xff, 0x10, 0x10, 0x10, 0xff,
|
||||
0x2c, 0x2c, 0x2c, 0xff, 0x2c, 0x2c, 0x2c, 0xff,
|
||||
0x10, 0x10, 0x10, 0xff, 0x10, 0x10, 0x10, 0xff,
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
for _, d := range td {
|
||||
got := OverlayCenter(d.src1, d.src2, 0.5)
|
||||
want := d.want
|
||||
if !compareNRGBA(got, want, 0) {
|
||||
t.Errorf("test [%s] failed: %#v", d.desc, got)
|
||||
}
|
||||
}
|
||||
}
|
||||
Ссылка в новой задаче
Block a user