mirror of
https://github.com/esimov/caire.git
synced 2025-10-31 11:56:19 +08:00
101 lines
2.7 KiB
Go
101 lines
2.7 KiB
Go
package caire
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import (
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"image"
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"testing"
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)
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func TestResize_ShrinkImageWidth(t *testing.T) {
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img := image.NewNRGBA(image.Rect(0, 0, imgWidth, imgHeight))
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var c = NewCarver(img.Bounds().Dx(), img.Bounds().Dy())
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newWidth := imgWidth / 2
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p.NewWidth = newWidth
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p.NewHeight = imgHeight
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for x := 0; x < newWidth; x++ {
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width, height := img.Bounds().Max.X, img.Bounds().Max.Y
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c = NewCarver(width, height)
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c.ComputeSeams(p, img)
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seams := c.FindLowestEnergySeams(p)
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img = c.RemoveSeam(img, seams, p.Debug)
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}
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imgWidth := img.Bounds().Max.X
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if imgWidth != newWidth {
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t.Errorf("Resulted image width expected to be %v. Got %v", newWidth, imgWidth)
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}
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}
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func TestResize_ShrinkImageHeight(t *testing.T) {
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img := image.NewNRGBA(image.Rect(0, 0, imgWidth, imgHeight))
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var c = NewCarver(img.Bounds().Dx(), img.Bounds().Dy())
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newHeight := imgHeight / 2
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p.NewWidth = imgWidth
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p.NewHeight = newHeight
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img = c.RotateImage90(img)
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for x := 0; x < newHeight; x++ {
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width, height := img.Bounds().Max.X, img.Bounds().Max.Y
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c = NewCarver(width, height)
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c.ComputeSeams(p, img)
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seams := c.FindLowestEnergySeams(p)
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img = c.RemoveSeam(img, seams, p.Debug)
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}
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img = c.RotateImage270(img)
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imgHeight := img.Bounds().Max.Y
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if imgHeight != newHeight {
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t.Errorf("Resulted image height expected to be %v. Got %v", newHeight, imgHeight)
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}
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}
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func TestResize_EnlargeImageWidth(t *testing.T) {
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img := image.NewNRGBA(image.Rect(0, 0, imgWidth, imgHeight))
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origImgWidth := img.Bounds().Dx()
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var c = NewCarver(img.Bounds().Dx(), img.Bounds().Dy())
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newWidth := imgWidth * 2
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p.NewWidth = newWidth
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p.NewHeight = imgHeight
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for x := 0; x < newWidth; x++ {
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width, height := img.Bounds().Max.X, img.Bounds().Max.Y
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c = NewCarver(width, height)
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c.ComputeSeams(p, img)
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seams := c.FindLowestEnergySeams(p)
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img = c.AddSeam(img, seams, p.Debug)
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}
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imgWidth := img.Bounds().Max.X - origImgWidth
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if imgWidth != newWidth {
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t.Errorf("Resulted image width expected to be %v. Got %v", newWidth, imgWidth)
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}
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}
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func TestResize_EnlargeImageHeight(t *testing.T) {
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img := image.NewNRGBA(image.Rect(0, 0, imgWidth, imgHeight))
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origImgHeigth := img.Bounds().Dy()
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var c = NewCarver(img.Bounds().Dx(), img.Bounds().Dy())
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newHeight := imgHeight * 2
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p.NewWidth = imgWidth
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p.NewHeight = newHeight
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img = c.RotateImage90(img)
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for x := 0; x < newHeight; x++ {
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width, height := img.Bounds().Max.X, img.Bounds().Max.Y
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c = NewCarver(width, height)
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c.ComputeSeams(p, img)
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seams := c.FindLowestEnergySeams(p)
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img = c.AddSeam(img, seams, p.Debug)
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}
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img = c.RotateImage270(img)
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imgHeight := img.Bounds().Max.Y - origImgHeigth
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if imgHeight != newHeight {
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t.Errorf("Resulted image height expected to be %v. Got %v", newHeight, imgHeight)
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}
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}
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