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Return with and heigh of the generated images #382

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Merged
h2non merged 4 commits into from
Mar 30, 2022
Merged

Return with and heigh of the generated images #382

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b5d91ce
Return with and heigh of the generated images
CarlSchwan Feb 11, 2022
270eeeb
Make mimetype support always return true
CarlSchwan Feb 22, 2022
9e4c26e
Add command line option to enable this feature
CarlSchwan Mar 14, 2022
234d1fe
refactor: remove deprecated X- prefix in response headers
h2non Mar 30, 2022
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Return with and heigh of the generated images 
Use case:

When using the fit image transformation, it is helpful to know the size
of the resulting image without having to either read the image locally
or do another request to the info endpoint.

Used in: nextcloud/server#24166

Signed-off-by: Carl Schwan <[email protected]>
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@CarlSchwan
CarlSchwan committed Feb 11, 2022
commit b5d91cea272d6476cf20170e6bd30a33f3fb578a
7 changes: 7 additions & 0 deletions controllers.go
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Expand Up @@ -133,6 +133,13 @@ func imageHandler(w http.ResponseWriter, r *http.Request, buf []byte, operation
// Expose Content-Length response header
w.Header().Set("Content-Length", strconv.Itoa(len(image.Body)))
w.Header().Set("Content-Type", image.Mime)
if image.Mime != "application/json" {
meta, err := bimg.Metadata(image.Body)
if err == nil {
w.Header().Set("X-Image-Width", strconv.Itoa(meta.Size.Width))
w.Header().Set("X-Image-Height", strconv.Itoa(meta.Size.Height))
}
}
if vary != "" {
w.Header().Set("Vary", vary)
}
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