eliminate flicker for live previews

2 files changed, 8 insertions, 7 deletions

diff --git a/javascript/progressbar.js b/javascript/progressbar.js
index b7524ef7..8f22c018 100644
--- a/javascript/progressbar.js
+++ b/javascript/progressbar.js
@@ -184,15 +184,15 @@ function requestProgress(id_task, progressbarContainer, gallery, atEnd, onProgre
 
 
             if(res.live_preview){
+
+                var rect = gallery.getBoundingClientRect()
+                if(rect.width){
+                    livePreview.style.width = rect.width + "px"
+                    livePreview.style.height = rect.height + "px"
+                }
+
                 var img = new Image();
                 img.onload = function() {
-                    var rect = gallery.getBoundingClientRect()
-                    if(rect.width){
-                        livePreview.style.width = rect.width + "px"
-                        livePreview.style.height = rect.height + "px"
-                    }
-
-                    livePreview.innerHTML = ''
                     livePreview.appendChild(img)
                     if(livePreview.childElementCount > 2){
                         livePreview.removeChild(livePreview.firstElementChild)
diff --git a/style.css b/style.css
index 786b71d1..5bf1c6f9 100644
--- a/style.css
+++ b/style.css
@@ -338,6 +338,7 @@ input[type="range"]{
 }

 

 .livePreview img{

+    position: absolute;

     object-fit: contain;

     width: 100%;

     height: 100%;