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-rw-r--r--go/images/preprocess.go4
-rw-r--r--go/images/resizing.go21
-rw-r--r--go/weed/weed_server/volume_server_handlers.go2
3 files changed, 16 insertions, 11 deletions
diff --git a/go/images/preprocess.go b/go/images/preprocess.go
index b5907b1b8..6b183df9f 100644
--- a/go/images/preprocess.go
+++ b/go/images/preprocess.go
@@ -12,7 +12,7 @@ import (
* Call this function on any file uploaded to weedfs
*
*/
-func MaybePreprocessImage(filename string, data []byte, width, height int) (resized []byte) {
+func MaybePreprocessImage(filename string, data []byte, width, height int) (resized []byte, w int, h int) {
ext := filepath.Ext(filename)
switch ext {
case ".png", ".gif":
@@ -21,5 +21,5 @@ func MaybePreprocessImage(filename string, data []byte, width, height int) (resi
data = FixJpgOrientation(data)
return Resized(ext, data, width, height)
}
- return data
+ return data, 0, 0
}
diff --git a/go/images/resizing.go b/go/images/resizing.go
index 6e774e1db..7e21db70b 100644
--- a/go/images/resizing.go
+++ b/go/images/resizing.go
@@ -9,17 +9,22 @@ import (
"image/png"
)
-func Resized(ext string, data []byte, width, height int) (resized []byte) {
+func Resized(ext string, data []byte, width, height int) (resized []byte, w int, h int) {
if width == 0 && height == 0 {
- return data
+ return data, 0, 0
}
if srcImage, _, err := image.Decode(bytes.NewReader(data)); err == nil {
bounds := srcImage.Bounds()
var dstImage *image.NRGBA
- if width == height && bounds.Dx() != bounds.Dy() {
- dstImage = imaging.Thumbnail(srcImage, width, height, imaging.Lanczos)
- } else {
- dstImage = imaging.Resize(srcImage, width, height, imaging.Lanczos)
+ if bounds.Dx() > width && width != 0 || bounds.Dy() > height && height != 0 {
+ if width == height && bounds.Dx() != bounds.Dy() {
+ dstImage = imaging.Thumbnail(srcImage, width, height, imaging.Lanczos)
+ w, h = width, height
+ } else {
+ dstImage = imaging.Resize(srcImage, width, height, imaging.Lanczos)
+ }
+ }else{
+ return data, bounds.Dx(), bounds.Dy()
}
var buf bytes.Buffer
switch ext {
@@ -30,7 +35,7 @@ func Resized(ext string, data []byte, width, height int) (resized []byte) {
case ".gif":
gif.Encode(&buf, dstImage, nil)
}
- return buf.Bytes()
+ return buf.Bytes(), dstImage.Bounds().Dx(), dstImage.Bounds().Dy()
}
- return data
+ return data, 0, 0
}
diff --git a/go/weed/weed_server/volume_server_handlers.go b/go/weed/weed_server/volume_server_handlers.go
index ee57109ea..303d63207 100644
--- a/go/weed/weed_server/volume_server_handlers.go
+++ b/go/weed/weed_server/volume_server_handlers.go
@@ -132,7 +132,7 @@ func (vs *VolumeServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request)
if r.FormValue("height") != "" {
height, _ = strconv.Atoi(r.FormValue("height"))
}
- n.Data = images.Resized(ext, n.Data, width, height)
+ n.Data, _, _ = images.Resized(ext, n.Data, width, height)
}
w.Header().Set("Accept-Ranges", "bytes")