coop-cloud-chaos-patchs/compy
0
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Allow X-Compy-Quality override header

Browse Source 
This allows clients to override the configured compression quality.
Fixes #14.
This commit is contained in:
Andrew Gaul
2017-06-05 14:11:50 +02:00
parent 69b89413bd
commit defbc287f1
2 changed files with 41 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
transcoder/jpeg.go
View File

@ -5,6 +5,7 @@ import (
"github.com/chai2010/webp"
"github.com/pixiv/go-libjpeg/jpeg"
"net/http"
"strconv"
)
type Jpeg struct {
@ -28,17 +29,27 @@ func (t *Jpeg) Transcode(w *proxy.ResponseWriter, r *proxy.ResponseReader, heade
return err
}
encOptions := t.encOptions
qualityString := headers.Get("X-Compy-Quality")
if qualityString != "" {
if quality, err := strconv.Atoi(qualityString); err != nil {
return err
} else {
encOptions.Quality = quality
}
}
if SupportsWebP(headers) {
w.Header().Set("Content-Type", "image/webp")
options := webp.Options{
Lossless: false,
Quality: float32(t.encOptions.Quality),
Quality: float32(encOptions.Quality),
}
if err = webp.Encode(w, img, &options); err != nil {
return err
}
} else {
if err = jpeg.Encode(w, img, t.encOptions); err != nil {
if err = jpeg.Encode(w, img, encOptions); err != nil {
return err
}
}