Infrastructure/imageproxy
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Support TIFF images.

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This commit is contained in:
Michael Carey 2017-08-31 13:04:10 -07:00
parent 4533f0c68a
commit c1a9dab401
3 changed files with 4 additions and 3 deletions
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2
README.md
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@ -4,7 +4,7 @@ imageproxy is a caching image proxy server written in go. It features:
- basic image adjustments like resizing, cropping, and rotation - basic image adjustments like resizing, cropping, and rotation
- access control using host whitelists or request signing (HMAC-SHA256) - access control using host whitelists or request signing (HMAC-SHA256)
- support for jpeg, png, webp (decode only), and gif image formats (including animated gifs) - support for jpeg, png, webp & tiff (decode only), and gif image formats (including animated gifs)
- on-disk caching, respecting the cache headers of the original images - on-disk caching, respecting the cache headers of the original images
- easy deployment, since it's pure go - easy deployment, since it's pure go

2
imageproxy.go
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@ -323,7 +323,7 @@ func (t *TransformingTransport) RoundTrip(req *http.Request) (*http.Response, er
resp.Header.WriteSubset(buf, map[string]bool{ resp.Header.WriteSubset(buf, map[string]bool{
"Content-Length": true, "Content-Length": true,
// exclude Content-Type header if the format may have changed during transformation // exclude Content-Type header if the format may have changed during transformation
"Content-Type": opt.Format != "" || resp.Header.Get("Content-Type") == "image/webp", "Content-Type": opt.Format != "" || resp.Header.Get("Content-Type") == "image/webp" || resp.Header.Get("Content-Type") == "image/tiff",
}) })
fmt.Fprintf(buf, "Content-Length: %d\n\n", len(img)) fmt.Fprintf(buf, "Content-Length: %d\n\n", len(img))
buf.Write(img) buf.Write(img)

3
transform.go
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@ -25,6 +25,7 @@ import (
"github.com/disintegration/imaging" "github.com/disintegration/imaging"
_ "golang.org/x/image/webp" // register webp format _ "golang.org/x/image/webp" // register webp format
_ "golang.org/x/image/tiff" // register tiff format
"willnorris.com/go/gifresize" "willnorris.com/go/gifresize"
) )
@ -64,7 +65,7 @@ func Transform(img []byte, opt Options) ([]byte, error) {
if err != nil { if err != nil {
return nil, err return nil, err
} }
case "jpeg", "webp": // default to encoding webp as jpeg case "jpeg", "webp", "tiff": // default to encoding webp & tiff as jpeg
quality := opt.Quality quality := opt.Quality
if quality == 0 { if quality == 0 {
quality = defaultQuality quality = defaultQuality