Infrastructure/imageproxy
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simplify transform function to only pass bytes

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This commit is contained in:
Will Norris 2013-12-26 08:27:07 -08:00
parent b4fae2dd5f
commit b109a87ece
2 changed files with 6 additions and 6 deletions
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3
proxy/proxy.go
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@ -142,7 +142,8 @@ func (p *Proxy) ServeHTTP(w http.ResponseWriter, r *http.Request) {
return
}
image, _ = transform.Transform(*image, req.Options)
b, _ := transform.Transform(image.Bytes, req.Options)
image.Bytes = b
w.Header().Add("Content-Length", strconv.Itoa(len(image.Bytes)))
w.Header().Add("Expires", image.Expires.Format(time.RFC1123))

9
transform/transform.go
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@ -30,14 +30,14 @@ import (
var emptyOptions = new(data.Options)
// Transform the provided image.
func Transform(img data.Image, opt *data.Options) (*data.Image, error) {
func Transform(img []byte, opt *data.Options) ([]byte, error) {
if opt == nil || reflect.DeepEqual(opt, emptyOptions) {
// bail if no transformation was requested
return &img, nil
return img, nil
}
// decode image
m, format, err := image.Decode(bytes.NewReader(img.Bytes))
m, format, err := image.Decode(bytes.NewReader(img))
if err != nil {
return nil, err
}
@ -103,6 +103,5 @@ func Transform(img data.Image, opt *data.Options) (*data.Image, error) {
break
}
img.Bytes = buf.Bytes()
return &img, nil
return buf.Bytes(), nil
}