func TestIssue25(t *testing.T) {
var img imgry.Image
var err error
ng := Engine{}
img, err = ng.LoadFile("../testdata/issue-25.jpg")
assert.NoError(t, err)
assert.Equal(t, 1600, img.Width())
assert.Equal(t, 480, img.Height())
assert.NoError(t, err)
sz, _ := imgry.NewSizingFromQuery("format=jpeg&size=750x922&op=cover")
err = img.SizeIt(sz)
assert.NoError(t, err)
assert.Equal(t, 750, img.Width())
assert.Equal(t, 920, img.Height())
err = img.WriteToFile("../testdata/issue-25-out.jpg")
assert.NoError(t, err)
img.Release()
}
func TestIssue10OpFittedTestForLeaks(t *testing.T) {
testimage := func(fn func(img imgry.Image) error) {
var img imgry.Image
var err error
ng := Engine{}
img, err = ng.LoadFile("../testdata/issue-10-p.gif")
assert.NoError(t, err)
assert.Equal(t, 48, img.Width())
assert.Equal(t, 64, img.Height())
err = fn(img)
assert.NoError(t, err)
img.Release()
}
for i := 0; i < 200; i++ {
testimage(func(img imgry.Image) (err error) {
sz, _ := imgry.NewSizingFromQuery("size=200x&canvas=150x120&op=fitted")
err = img.SizeIt(sz)
assert.NoError(t, err)
assert.Equal(t, 150, img.Width())
assert.Equal(t, 120, img.Height())
err = img.WriteToFile("../testdata/issue-10-p-leak.gif")
assert.NoError(t, err)
return
})
}
}
func TestIssue8GIFResize(t *testing.T) {
var sz *imgry.Sizing
var img imgry.Image
var err error
ng := Engine{}
img, err = ng.LoadFile("../testdata/issue-8.gif")
assert.NoError(t, err)
assert.Equal(t, 131, img.Width())
assert.Equal(t, 133, img.Height())
origSize := len(img.Data())
assert.Equal(t, 393324, origSize)
img.Release()
// Resizing to 750, which is slightly smaller.
img, err = ng.LoadFile("../testdata/issue-8.gif")
assert.NoError(t, err)
sz, _ = imgry.NewSizingFromQuery("size=750x")
err = img.SizeIt(sz)
assert.NoError(t, err)
assert.Equal(t, 750, img.Width())
assert.Equal(t, 422, img.Height())
// We should be able to expect this someday, but for now it seems like the
// number of colors after resizing affect the size of the file.
//
// See http://www.imagemagick.org/discourse-server/viewtopic.php?t=22505#p93859
//assert.True(t, len(img.Data()) < origSize, fmt.Sprintf("Expecting %d < %d.", len(img.Data()), origSize))
err = img.WriteToFile("../testdata/issue-8.700.gif")
assert.NoError(t, err)
img.Release()
// Resizing to 500, which is smaller.
img, err = ng.LoadFile("../testdata/issue-8.gif")
assert.NoError(t, err)
sz, _ = imgry.NewSizingFromQuery("size=500x")
err = img.SizeIt(sz)
assert.NoError(t, err)
assert.Equal(t, 500, img.Width())
assert.Equal(t, 282, img.Height())
assert.True(t, len(img.Data()) < origSize, fmt.Sprintf("Expecting %d < %d.", len(img.Data()), origSize))
err = img.WriteToFile("../testdata/issue-8.500.gif")
assert.NoError(t, err)
img.Release()
// Resizing to 900, which is larger.
img, err = ng.LoadFile("../testdata/issue-8.gif")
assert.NoError(t, err)
sz, _ = imgry.NewSizingFromQuery("size=900x")
err = img.SizeIt(sz)
assert.NoError(t, err)
assert.Equal(t, 900, img.Width())
assert.Equal(t, 507, img.Height())
assert.True(t, len(img.Data()) > origSize, fmt.Sprintf("Expecting %d > %d.", len(img.Data()), origSize))
err = img.WriteToFile("../testdata/issue-8.900.gif")
assert.NoError(t, err)
img.Release()
// Resizing to 200, which is smaller.
img, err = ng.LoadFile("../testdata/issue-8.gif")
assert.NoError(t, err)
sz, _ = imgry.NewSizingFromQuery("size=200x")
err = img.SizeIt(sz)
assert.NoError(t, err)
assert.Equal(t, 200, img.Width())
assert.Equal(t, 113, img.Height())
assert.True(t, len(img.Data()) < origSize, fmt.Sprintf("Expecting %d < %d.", len(img.Data()), origSize))
err = img.WriteToFile("../testdata/issue-8.200.gif")
assert.NoError(t, err)
img.Release()
// Resizing to 150, which is smaller.
img, err = ng.LoadFile("../testdata/issue-8.gif")
assert.NoError(t, err)
sz, _ = imgry.NewSizingFromQuery("size=150x")
err = img.SizeIt(sz)
assert.NoError(t, err)
assert.Equal(t, 150, img.Width())
assert.Equal(t, 84, img.Height())
assert.True(t, len(img.Data()) < origSize, fmt.Sprintf("Expecting %d < %d.", len(img.Data()), origSize))
err = img.WriteToFile("../testdata/issue-8.150.gif")
assert.NoError(t, err)
img.Release()
}
func TestIssue10OpFittedGIF(t *testing.T) {
testimage := func(fn func(img imgry.Image) error) {
var img imgry.Image
var err error
ng := Engine{}
img, err = ng.LoadFile("../testdata/issue-10-p.gif")
assert.NoError(t, err)
assert.Equal(t, 48, img.Width())
assert.Equal(t, 64, img.Height())
err = fn(img)
assert.NoError(t, err)
img.Release()
}
// Smaller canvas
testimage(func(img imgry.Image) (err error) {
// Note that we scale the image to 200 first.
sz, _ := imgry.NewSizingFromQuery("size=200x&canvas=150x120&op=fitted")
err = img.SizeIt(sz)
assert.NoError(t, err)
assert.Equal(t, 150, img.Width())
assert.Equal(t, 120, img.Height())
err = img.WriteToFile("../testdata/issue-10-p-200x-150x120.gif")
assert.NoError(t, err)
return
})
// Larger canvas
testimage(func(img imgry.Image) (err error) {
sz, _ := imgry.NewSizingFromQuery("size=48x&canvas=100x100&op=fitted")
err = img.SizeIt(sz)
assert.NoError(t, err)
assert.Equal(t, 100, img.Width())
assert.Equal(t, 100, img.Height())
err = img.WriteToFile("../testdata/issue-10-p-48x-100x100.gif")
assert.NoError(t, err)
return
})
// Larger resize
testimage(func(img imgry.Image) (err error) {
sz, _ := imgry.NewSizingFromQuery("size=100x&canvas=200x200&op=fitted")
err = img.SizeIt(sz)
assert.NoError(t, err)
assert.Equal(t, 200, img.Width())
assert.Equal(t, 200, img.Height())
err = img.WriteToFile("../testdata/issue-10-l-100x-200x200.gif")
assert.NoError(t, err)
return
})
}
func TestIssue10OpFittedJPEG(t *testing.T) {
portrait := func(fn func(img imgry.Image) error) {
var img imgry.Image
var err error
ng := Engine{}
img, err = ng.LoadFile("../testdata/issue-10-p.jpg")
assert.NoError(t, err)
assert.Equal(t, 150, img.Width())
assert.Equal(t, 330, img.Height())
err = fn(img)
assert.NoError(t, err)
img.Release()
}
// Smaller canvas
portrait(func(img imgry.Image) (err error) {
// Note that we scale the image to 200 first.
sz, _ := imgry.NewSizingFromQuery("size=200x&canvas=320x200&op=fitted")
err = img.SizeIt(sz)
assert.NoError(t, err)
assert.Equal(t, 320, img.Width())
assert.Equal(t, 200, img.Height())
err = img.WriteToFile("../testdata/issue-10-p-200x-320x200.jpg")
assert.NoError(t, err)
return
})
// Larger canvas
portrait(func(img imgry.Image) (err error) {
sz, _ := imgry.NewSizingFromQuery("size=150x&canvas=200x350&op=fitted")
err = img.SizeIt(sz)
assert.NoError(t, err)
assert.Equal(t, 200, img.Width())
assert.Equal(t, 350, img.Height())
err = img.WriteToFile("../testdata/issue-10-p-150x-200x350.jpg")
assert.NoError(t, err)
return
})
landscape := func(fn func(img imgry.Image) error) {
var img imgry.Image
var err error
ng := Engine{}
img, err = ng.LoadFile("../testdata/issue-10-l.jpg")
assert.NoError(t, err)
assert.Equal(t, 320, img.Width())
assert.Equal(t, 200, img.Height())
err = fn(img)
assert.NoError(t, err)
img.Release()
}
// Smaller canvas
landscape(func(img imgry.Image) (err error) {
sz, _ := imgry.NewSizingFromQuery("size=200x&canvas=150x150&op=fitted")
err = img.SizeIt(sz)
assert.NoError(t, err)
assert.Equal(t, 150, img.Width())
assert.Equal(t, 150, img.Height())
err = img.WriteToFile("../testdata/issue-10-l-200x-150x150.jpg")
assert.NoError(t, err)
return
})
// Larger canvas
landscape(func(img imgry.Image) (err error) {
sz, _ := imgry.NewSizingFromQuery("size=320x&canvas=380x340&op=fitted")
err = img.SizeIt(sz)
assert.NoError(t, err)
assert.Equal(t, 380, img.Width())
assert.Equal(t, 340, img.Height())
err = img.WriteToFile("../testdata/issue-10-l-320x-380x340.jpg")
assert.NoError(t, err)
return
})
}