Teeny cleanup

examples/webcam/main.go

@@ -40,6 +40,7 @@ func main() {
 	layout := layouts.NewFloatingControlsLayout()
 	layout.FloatingControlsLocation = layouts.FloatingControlsCenter
 	webcamID = 0
+	webcamWidget.UpdateFPS = 50
 
 	webcamLabel = widget.NewLabel("Webcam: 0")
 	buttons := container.NewHBox(webcamLabel, widget.NewButton("-", decWebCamID), widget.NewButton("+", incWebCamID))

pkg/webcam/webcam.go

@@ -52,11 +52,6 @@ type webcamRenderer struct {
 	goCVVideoCapture *gocv.VideoCapture
 }
 
-func renderframe(w, h int) image.Image {
-	frameImage := image.NewRGBA(image.Rect(0, 0, w, h))
-	return frameImage
-}
-
 func (r *webcamRenderer) actualrenderframe(w, h int) image.Image {
 	webcam, _ := gocv.VideoCaptureDevice(int(r.webcam.WebcamID))
 	img := gocv.NewMat()