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Add $image.Process

Browse Source 
Which supports all the existing actions: resize, crop, fit, fill.

But it also allows plain format conversions:

```
{{ $img = $img.Process "webp" }}
```

Which will be a simple re-encoding of the source image.

Fixes #11483
This commit is contained in:
Bjørn Erik Pedersen
2023-09-22 15:15:16 +02:00
parent c32094ace1
commit ef0e7149d6
13 changed files with 216 additions and 98 deletions
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51
resources/image_test.go
View File

@@ -84,10 +84,7 @@ func TestImageTransformBasic(t *testing.T) {
fileCache := spec.FileCaches.ImageCache().Fs
assertWidthHeight := func(img images.ImageResource, w, h int) {
c.Helper()
c.Assert(img, qt.Not(qt.IsNil))
c.Assert(img.Width(), qt.Equals, w)
c.Assert(img.Height(), qt.Equals, h)
assertWidthHeight(c, img, w, h)
}
colors, err := image.Colors()
@@ -164,6 +161,45 @@ func TestImageTransformBasic(t *testing.T) {
c.Assert(cropped, qt.Equals, croppedAgain)
}
func TestImageProcess(t *testing.T) {
c := qt.New(t)
_, img := fetchSunset(c)
resized, err := img.Process("resiZe 300x200")
c.Assert(err, qt.IsNil)
assertWidthHeight(c, resized, 300, 200)
rotated, err := resized.Process("R90")
c.Assert(err, qt.IsNil)
assertWidthHeight(c, rotated, 200, 300)
converted, err := img.Process("png")
c.Assert(err, qt.IsNil)
c.Assert(converted.MediaType().Type, qt.Equals, "image/png")
checkProcessVsMethod := func(action, spec string) {
var expect images.ImageResource
var err error
switch action {
case images.ActionCrop:
expect, err = img.Crop(spec)
case images.ActionFill:
expect, err = img.Fill(spec)
case images.ActionFit:
expect, err = img.Fit(spec)
case images.ActionResize:
expect, err = img.Resize(spec)
}
c.Assert(err, qt.IsNil)
got, err := img.Process(spec + " " + action)
c.Assert(err, qt.IsNil)
assertWidthHeight(c, got, expect.Width(), expect.Height())
c.Assert(got.MediaType(), qt.Equals, expect.MediaType())
}
checkProcessVsMethod(images.ActionCrop, "300x200 topleFt")
checkProcessVsMethod(images.ActionFill, "300x200 topleft")
checkProcessVsMethod(images.ActionFit, "300x200 png")
checkProcessVsMethod(images.ActionResize, "300x R90")
}
func TestImageTransformFormat(t *testing.T) {
c := qt.New(t)
@@ -852,3 +888,10 @@ func BenchmarkResizeParallel(b *testing.B) {
}
})
}
func assertWidthHeight(c *qt.C, img images.ImageResource, w, h int) {
c.Helper()
c.Assert(img, qt.Not(qt.IsNil))
c.Assert(img.Width(), qt.Equals, w)
c.Assert(img.Height(), qt.Equals, h)
}