cursor utils changed to generic CreatePNGImage.

internal/api/room/screen.go

@@ -1,8 +1,6 @@
 package room
 
 import (
-	"bytes"
-	"image/jpeg"
 	"net/http"
 	"strconv"
 
@@ -83,11 +81,8 @@ func (h *RoomHandler) screenShotGet(w http.ResponseWriter, r *http.Request) {
 	}
 
 	img := h.desktop.GetScreenshotImage()
-	out := new(bytes.Buffer)
-
-	if err := jpeg.Encode(out, img, &jpeg.Options{
-		Quality: quality,
-	}); err != nil {
+	bytes, err := utils.CreateJPGImage(img, quality)
+	if err != nil {
 		utils.HttpInternalServerError(w, err)
 		return
 	}
@@ -95,7 +90,7 @@ func (h *RoomHandler) screenShotGet(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Cache-Control", "no-cache, no-store, must-revalidate")
 	w.Header().Set("Content-Type", "image/jpeg")
 	//nolint
-	w.Write(out.Bytes())
+	w.Write(bytes)
 }
 
 func (h *RoomHandler) screenCastGet(w http.ResponseWriter, r *http.Request) {

internal/utils/cursor.go

@@ -1,29 +0,0 @@
-package utils
-
-import (
-	"bytes"
-	"encoding/base64"
-	"image/png"
-
-	"demodesk/neko/internal/types"
-)
-
-func GetCursorImage(cursor *types.CursorImage) ([]byte, error) {
-	out := new(bytes.Buffer)
-	err := png.Encode(out, cursor.Image)
-	if err != nil {
-		return nil, err
-	}
-
-	return out.Bytes(), nil
-}
-
-func GetCursorImageURI(cursor *types.CursorImage) (string, error) {
-	img, err := GetCursorImage(cursor)
-	if err != nil {
-		return "", err
-	}
-
-	uri := "data:image/png;base64," + base64.StdEncoding.EncodeToString(img)
-	return uri, nil
-}

internal/utils/image.go

@@ -0,0 +1,39 @@
+package utils
+
+import (
+	"bytes"
+	"encoding/base64"
+	"image"
+	"image/jpeg"
+	"image/png"
+)
+
+func CreatePNGImage(img *image.RGBA) ([]byte, error) {
+	out := new(bytes.Buffer)
+	err := png.Encode(out, img)
+	if err != nil {
+		return nil, err
+	}
+
+	return out.Bytes(), nil
+}
+
+func CreateJPGImage(img *image.RGBA, quality int) ([]byte, error) {
+	out := new(bytes.Buffer)
+	err := jpeg.Encode(out, img, &jpeg.Options{ Quality: quality })
+	if err != nil {
+		return nil, err
+	}
+
+	return out.Bytes(), nil
+}
+
+func CreatePNGImageURI(img *image.RGBA) (string, error) {
+	data, err := CreatePNGImage(img)
+	if err != nil {
+		return "", err
+	}
+
+	uri := "data:image/png;base64," + base64.StdEncoding.EncodeToString(data)
+	return uri, nil
+}

internal/webrtc/send.go

@@ -55,7 +55,7 @@ func (peer *WebRTCPeerCtx) SendCursorImage(cur *types.CursorImage) error {
 		return fmt.Errorf("no data channel")
 	}
 
-	img, err := utils.GetCursorImage(cur)
+	img, err := utils.CreatePNGImage(cur.Image)
 	if err != nil {
 		return err
 	}