a bigger shrinker for uploads

backend.go

@@ -83,6 +83,31 @@ func imageFromSVG(data []byte) (*image.Image, error) {
 	return svg, nil
 }
 
+func bigshrink(data []byte) (*image.Image, error) {
+	if isSVG(data) {
+		return imageFromSVG(data)
+	}
+	cl, err := rpc.Dial("unix", backendSockname())
+	if err != nil {
+		return nil, err
+	}
+	defer cl.Close()
+	var res ShrinkerResult
+	err = cl.Call("Shrinker.Shrink", &ShrinkerArgs{
+		Buf: data,
+		Params: image.Params{
+			LimitSize: 14200 * 4200,
+			MaxWidth:  2600,
+			MaxHeight: 2048,
+			MaxSize:   768 * 1024,
+		},
+	}, &res)
+	if err != nil {
+		return nil, err
+	}
+	return res.Image, nil
+}
+
 func shrinkit(data []byte) (*image.Image, error) {
 	if isSVG(data) {
 		return imageFromSVG(data)

web.go

@@ -1650,7 +1650,7 @@ func formtodonk(w http.ResponseWriter, r *http.Request, filehdr *multipart.FileH
 	file.Close()
 	data := buf.Bytes()
 	var media, name string
-	img, err := shrinkit(data)
+	img, err := bigshrink(data)
 	if err == nil {
 		data = img.Data
 		format := img.Format