Update FrescoHelper.kt

rocket-chat-android-widgets/src/main/java/chat/rocket/android/widget/helper/FrescoHelper.kt

@@ -6,7 +6,9 @@ import android.support.graphics.drawable.VectorDrawableCompat
 import chat.rocket.android.widget.R
 import com.facebook.drawee.backends.pipeline.Fresco
 import com.facebook.drawee.drawable.ProgressBarDrawable
+import com.facebook.drawee.drawable.ScalingUtils
 import com.facebook.drawee.generic.GenericDraweeHierarchy
+import com.facebook.drawee.generic.RoundingParams
 import com.facebook.drawee.view.SimpleDraweeView
 
 object FrescoHelper {
@@ -31,6 +33,8 @@ object FrescoHelper {
         val hierarchy: GenericDraweeHierarchy = draweeView.hierarchy
         hierarchy.setPlaceholderImage(VectorDrawableCompat.create(draweeView.resources, R.drawable.image_dummy, null))
         hierarchy.setFailureImage(VectorDrawableCompat.create(draweeView.resources, R.drawable.image_error, null))
+        hierarchy.roundingParams = RoundingParams().setCornersRadii(5F, 5F, 5F, 5F)
+        hierarchy.actualImageScaleType = ScalingUtils.ScaleType.FIT_XY
         hierarchy.setProgressBarImage(ProgressBarDrawable())
 
         val controller = Fresco.newDraweeControllerBuilder()