Disabled live preview for unnecessary elements

src/Drawie

@@ -1 +1 @@
-Subproject commit be8fb4c6d626041c416286ec25e43fc12c67d8b4
+Subproject commit b6c34c96ac5b01abad69604465445270270270d2

src/PixiEditor.ChangeableDocument/Rendering/DocumentRenderer.cs

@@ -19,6 +19,7 @@ namespace PixiEditor.ChangeableDocument.Rendering;
 
 public class DocumentRenderer : IPreviewRenderable, IDisposable
 {
+
     private Queue<RenderRequest> renderRequests = new();
     private Texture renderTexture;
 

src/PixiEditor/Models/DocumentModels/ActionAccumulator.cs

@@ -120,6 +120,8 @@ internal class ActionAccumulator
                         action.action is ChangeBoundary_Action or Redo_Action or Undo_Action);
                 bool viewportRefreshRequest =
                     toExecute.Any(static action => action.action is RefreshViewport_PassthroughAction);
+                bool refreshPreviewsRequest =
+                    toExecute.Any(static action => action.action is RefreshPreviews_PassthroughAction);
                 bool changeFrameRequest =
                     toExecute.Any(static action => action.action is SetActiveFrame_PassthroughAction);
 
@@ -156,7 +158,7 @@ internal class ActionAccumulator
                             affectedAreas.ChangedMembers,
                             affectedAreas.ChangedMasks,
                             affectedAreas.ChangedNodes, affectedAreas.ChangedKeyFrames,
-                            affectedAreas.IgnoreAnimationPreviews);
+                            affectedAreas.IgnoreAnimationPreviews, undoBoundaryPassed || refreshPreviewsRequest);
                     }
                 }
 

src/PixiEditor/Models/DocumentPassthroughActions/RefreshPreviews_PassthroughAction.cs

@@ -0,0 +1,7 @@
+using PixiEditor.ChangeableDocument.Actions;
+using PixiEditor.ChangeableDocument.ChangeInfos;
+using PixiEditor.Models.Position;
+
+namespace PixiEditor.Models.DocumentPassthroughActions;
+
+internal record class RefreshPreviews_PassthroughAction() : IAction, IChangeInfo;

src/PixiEditor/Models/Handlers/IDocument.cs

@@ -50,6 +50,7 @@ internal interface IDocument : IHandler, Extensions.CommonApi.Documents.IDocumen
     public DocumentRenderer Renderer { get; }
     public ISnappingHandler SnappingHandler { get; }
     public IReadOnlyCollection<Guid> SelectedMembers { get; }
+    public PreviewPainter MiniPreviewPainter { get; set; }
     public void RemoveSoftSelectedMember(IStructureMemberHandler member);
     public void ClearSoftSelectedMembers();
     public void AddSoftSelectedMember(IStructureMemberHandler member);

src/PixiEditor/Models/Rendering/MemberPreviewUpdater.cs

@@ -8,6 +8,7 @@ using PixiEditor.Helpers;
 using PixiEditor.Models.DocumentModels;
 using PixiEditor.Models.Handlers;
 using Drawie.Numerics;
+using PixiEditor.ChangeableDocument.Rendering;
 
 namespace PixiEditor.Models.Rendering;
 
@@ -18,6 +19,7 @@ internal class MemberPreviewUpdater
 
     private AnimationKeyFramePreviewRenderer AnimationKeyFramePreviewRenderer { get; }
 
+
     public MemberPreviewUpdater(IDocument doc, DocumentInternalParts internals)
     {
         this.doc = doc;
@@ -27,13 +29,13 @@ internal class MemberPreviewUpdater
 
     public void UpdatePreviews(HashSet<Guid> membersToUpdate,
         HashSet<Guid> masksToUpdate, HashSet<Guid> nodesToUpdate, HashSet<Guid> keyFramesToUpdate,
-        bool ignoreAnimationPreviews)
+        bool ignoreAnimationPreviews, bool renderMiniPreviews)
     {
         if (!membersToUpdate.Any() && !masksToUpdate.Any() && !nodesToUpdate.Any() &&
             !keyFramesToUpdate.Any())
             return;
 
-        UpdatePreviewPainters(membersToUpdate, masksToUpdate, nodesToUpdate, keyFramesToUpdate, ignoreAnimationPreviews);
+        UpdatePreviewPainters(membersToUpdate, masksToUpdate, nodesToUpdate, keyFramesToUpdate, ignoreAnimationPreviews, renderMiniPreviews);
     }
 
     /// <summary>
@@ -42,11 +44,14 @@ internal class MemberPreviewUpdater
     /// <param name="members">Members that should be rendered</param>
     /// <param name="masksToUpdate">Masks that should be rendered</param>
     private void UpdatePreviewPainters(HashSet<Guid> members, HashSet<Guid> masksToUpdate,
-        HashSet<Guid> nodesToUpdate, HashSet<Guid> keyFramesToUpdate, bool ignoreAnimationPreviews)
+        HashSet<Guid> nodesToUpdate, HashSet<Guid> keyFramesToUpdate, bool ignoreAnimationPreviews, bool renderLowPriorityPreviews)
     {
-        RenderWholeCanvasPreview();
-        RenderLayersPreview(members);
-        RenderMaskPreviews(masksToUpdate);
+        RenderWholeCanvasPreview(renderLowPriorityPreviews);
+        if (renderLowPriorityPreviews)
+        {
+            RenderLayersPreview(members);
+            RenderMaskPreviews(masksToUpdate);
+        }
 
         if (!ignoreAnimationPreviews)
         {
@@ -59,7 +64,8 @@ internal class MemberPreviewUpdater
     /// <summary>
     /// Re-renders the preview of the whole canvas which is shown as the tab icon
     /// </summary>
-    private void RenderWholeCanvasPreview()
+    /// <param name="renderMiniPreviews"></param>
+    private void RenderWholeCanvasPreview(bool renderMiniPreviews)
     {
         var previewSize = StructureHelpers.CalculatePreviewSize(internals.Tracker.Document.Size);
         //float scaling = (float)previewSize.X / doc.SizeBindable.X;
@@ -74,6 +80,21 @@ internal class MemberPreviewUpdater
         doc.PreviewPainter.ProcessingColorSpace = internals.Tracker.Document.ProcessingColorSpace;
         doc.PreviewPainter.FrameTime = doc.AnimationHandler.ActiveFrameTime;
         doc.PreviewPainter.Repaint();
+
+        if(!renderMiniPreviews)
+            return;
+
+        if (doc.MiniPreviewPainter == null)
+        {
+            doc.MiniPreviewPainter = new PreviewPainter(doc.Renderer, doc.Renderer,
+                doc.AnimationHandler.ActiveFrameTime,
+                doc.SizeBindable, internals.Tracker.Document.ProcessingColorSpace);
+        }
+
+        doc.MiniPreviewPainter.DocumentSize = doc.SizeBindable;
+        doc.MiniPreviewPainter.ProcessingColorSpace = internals.Tracker.Document.ProcessingColorSpace;
+        doc.MiniPreviewPainter.FrameTime = doc.AnimationHandler.ActiveFrameTime;
+        doc.MiniPreviewPainter.Repaint();
     }
 
     private void RenderLayersPreview(HashSet<Guid> memberGuids)

src/PixiEditor/ViewModels/Document/DocumentViewModel.cs

@@ -185,6 +185,16 @@ internal partial class DocumentViewModel : PixiObservableObject, IDocument
 
     public IStructureMemberHandler? SelectedStructureMember { get; private set; } = null;
 
+    private PreviewPainter miniPreviewPainter;
+
+    public PreviewPainter MiniPreviewPainter
+    {
+        get => miniPreviewPainter;
+        set
+        {
+            SetProperty(ref miniPreviewPainter, value);
+        }
+    }
 
     private PreviewPainter previewSurface;
 
@@ -375,8 +385,7 @@ internal partial class DocumentViewModel : PixiObservableObject, IDocument
             viewModel.MarkAsSaved();
         }));
 
-        // This also refreshes previews on start. On big documents, previews are empty on start if not this
-        acc.AddActions(new SetActiveFrame_PassthroughAction(1));
+        acc.AddActions(new SetActiveFrame_PassthroughAction(1), new RefreshPreviews_PassthroughAction());
 
         foreach (var factory in allFactories)
         {

src/PixiEditor/ViewModels/SubViewModels/ViewportWindowViewModel.cs

@@ -175,7 +175,8 @@ internal class ViewportWindowViewModel : SubViewModel<WindowViewModel>, IDockabl
         PixiEditorSettings.Scene.PrimaryBackgroundColor.ValueChanged += UpdateBackgroundBitmap;
         PixiEditorSettings.Scene.SecondaryBackgroundColor.ValueChanged += UpdateBackgroundBitmap;
 
-        previewPainterControl = new PreviewPainterControl(Document.PreviewPainter,
+        previewPainterControl = new PreviewPainterControl(
+            Document.MiniPreviewPainter,
             Document.AnimationDataViewModel.ActiveFrameTime.Frame);
         TabCustomizationSettings.Icon = previewPainterControl;
     }
@@ -187,9 +188,9 @@ internal class ViewportWindowViewModel : SubViewModel<WindowViewModel>, IDockabl
         {
             OnPropertyChanged(nameof(Title));
         }
-        else if (e.PropertyName == nameof(DocumentViewModel.PreviewPainter))
+        else if (e.PropertyName == nameof(DocumentViewModel.MiniPreviewPainter))
         {
-            previewPainterControl.PreviewPainter = Document.PreviewPainter;
+            previewPainterControl.PreviewPainter = Document.MiniPreviewPainter;
             previewPainterControl.FrameToRender = Document.AnimationDataViewModel.ActiveFrameTime.Frame;
         }
         else if (e.PropertyName == nameof(DocumentViewModel.AllChangesSaved))