Fixed Slow zooming/redrawing on action when SWF has low framerate

CHANGELOG.md

@@ -13,6 +13,7 @@ All notable changes to this project will be documented in this file.
 - [#1839] Sprite frames exported incorrectly and repeating
 - [#1838] AS3 - Properly handling of long unsigned values, hex values, default uint values etc.
 - [#1847] shape viewer and PDF exporter - correct drawing of pure vertical/horizontal shapes (zero width/height)
+- Slow zooming/redrawing on action when SWF has low framerate
 
 ### Changed
 - AS3 integer values are internally (e.g. in the lib) handled as java int type instead of long.

src/com/jpexs/decompiler/flash/gui/ImagePanel.java

@@ -1399,8 +1399,14 @@ public final class ImagePanel extends JPanel implements MediaDisplay {
     }
 
     private synchronized void redraw() {
-        if (timer == null && timelined != null) {
+        final Timer thisTimer = timer;
+        if (timelined == null) {
+            return;
+        }
+        if (thisTimer == null) {
             startTimer(timelined.getTimeline(), false);
+        } else {
+            drawFrame(thisTimer, true);
         }
     }
 
@@ -2207,7 +2213,7 @@ public final class ImagePanel extends JPanel implements MediaDisplay {
                 first = false;
                 CharacterTag c = swf.getCharacter(ds.characterId);
                 ret.append(c.toString());
-                if(ds.depth > 0) {
+                if (ds.depth > 0) {
                     ret.append(" ");
                     ret.append(AppStrings.translate("imagePanel.depth"));
                     ret.append(" ");