mirror of
https://github.com/esimov/caire.git
synced 2025-09-26 20:41:14 +08:00
105 lines
2.5 KiB
Go
105 lines
2.5 KiB
Go
package caire
|
|
|
|
import (
|
|
"image"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
func TestResize_ShrinkImageWidth(t *testing.T) {
|
|
img := image.NewNRGBA(image.Rect(0, 0, imgWidth, imgHeight))
|
|
var c = NewCarver(img.Bounds().Dx(), img.Bounds().Dy())
|
|
newWidth := imgWidth / 2
|
|
|
|
p.NewWidth = newWidth
|
|
p.NewHeight = imgHeight
|
|
|
|
for x := 0; x < newWidth; x++ {
|
|
width, height := img.Bounds().Max.X, img.Bounds().Max.Y
|
|
c = NewCarver(width, height)
|
|
|
|
_, err := c.ComputeSeams(p, img)
|
|
assert.NoError(t, err)
|
|
|
|
seams := c.FindLowestEnergySeams(p)
|
|
img = c.RemoveSeam(img, seams, p.Debug)
|
|
}
|
|
imgWidth := img.Bounds().Max.X
|
|
|
|
assert.Equal(t, imgWidth, newWidth)
|
|
}
|
|
|
|
func TestResize_ShrinkImageHeight(t *testing.T) {
|
|
img := image.NewNRGBA(image.Rect(0, 0, imgWidth, imgHeight))
|
|
var c = NewCarver(img.Bounds().Dx(), img.Bounds().Dy())
|
|
newHeight := imgHeight / 2
|
|
|
|
p.NewWidth = imgWidth
|
|
p.NewHeight = newHeight
|
|
|
|
img = rotateImage90(img)
|
|
for x := 0; x < newHeight; x++ {
|
|
width, height := img.Bounds().Max.X, img.Bounds().Max.Y
|
|
c = NewCarver(width, height)
|
|
|
|
_, err := c.ComputeSeams(p, img)
|
|
assert.NoError(t, err)
|
|
|
|
seams := c.FindLowestEnergySeams(p)
|
|
img = c.RemoveSeam(img, seams, p.Debug)
|
|
}
|
|
img = rotateImage270(img)
|
|
imgHeight := img.Bounds().Max.Y
|
|
|
|
assert.Equal(t, imgHeight, newHeight)
|
|
}
|
|
|
|
func TestResize_EnlargeImageWidth(t *testing.T) {
|
|
img := image.NewNRGBA(image.Rect(0, 0, imgWidth, imgHeight))
|
|
var c = NewCarver(img.Bounds().Dx(), img.Bounds().Dy())
|
|
newWidth := imgWidth * 2
|
|
|
|
p.NewWidth = newWidth
|
|
p.NewHeight = imgHeight
|
|
|
|
for x := 0; x < newWidth; x++ {
|
|
width, height := img.Bounds().Max.X, img.Bounds().Max.Y
|
|
c = NewCarver(width, height)
|
|
|
|
_, err := c.ComputeSeams(p, img)
|
|
assert.NoError(t, err)
|
|
|
|
seams := c.FindLowestEnergySeams(p)
|
|
img = c.AddSeam(img, seams, p.Debug)
|
|
}
|
|
imgWidth := img.Bounds().Max.X - img.Bounds().Dx()
|
|
|
|
assert.NotEqual(t, imgWidth, newWidth)
|
|
}
|
|
|
|
func TestResize_EnlargeImageHeight(t *testing.T) {
|
|
img := image.NewNRGBA(image.Rect(0, 0, imgWidth, imgHeight))
|
|
var c = NewCarver(img.Bounds().Dx(), img.Bounds().Dy())
|
|
newHeight := imgHeight * 2
|
|
|
|
p.NewWidth = imgWidth
|
|
p.NewHeight = newHeight
|
|
|
|
img = rotateImage90(img)
|
|
for x := 0; x < newHeight; x++ {
|
|
width, height := img.Bounds().Max.X, img.Bounds().Max.Y
|
|
c = NewCarver(width, height)
|
|
|
|
_, err := c.ComputeSeams(p, img)
|
|
assert.NoError(t, err)
|
|
|
|
seams := c.FindLowestEnergySeams(p)
|
|
img = c.AddSeam(img, seams, p.Debug)
|
|
}
|
|
img = rotateImage270(img)
|
|
imgHeight := img.Bounds().Max.Y - img.Bounds().Dy()
|
|
|
|
assert.NotEqual(t, imgHeight, newHeight)
|
|
}
|