1 files changed, 15 insertions, 10 deletions

diff --git a/src/client/views/nodes/ContentFittingDocumentView.tsx b/src/client/views/nodes/ContentFittingDocumentView.tsx
index 9ab6826a3..09675bf73 100644
--- a/src/client/views/nodes/ContentFittingDocumentView.tsx
+++ b/src/client/views/nodes/ContentFittingDocumentView.tsx
@@ -18,6 +18,9 @@ interface ContentFittingDocumentViewProps {
     Document?: Doc;
     DataDocument?: Doc;
     LayoutDoc?: () => Opt<Doc>;
+    NativeWidth?: () => number;
+    NativeHeight?: () => number;
+    FreezeDimensions?: boolean;
     LibraryPath: Doc[];
     childDocs?: Doc[];
     renderDepth: number;
@@ -47,12 +50,12 @@ interface ContentFittingDocumentViewProps {
 export class ContentFittingDocumentView extends React.Component<ContentFittingDocumentViewProps>{
     public get displayName() { return "DocumentView(" + this.props.Document?.title + ")"; } // this makes mobx trace() statements more descriptive
     private get layoutDoc() { return this.props.Document && (this.props.LayoutDoc?.() || Doc.Layout(this.props.Document)); }
-    private get nativeWidth() { return NumCast(this.layoutDoc?._nativeWidth, this.props.PanelWidth()); }
-    private get nativeHeight() { return NumCast(this.layoutDoc?._nativeHeight, this.props.PanelHeight()); }
+    private nativeWidth = () => NumCast(this.layoutDoc?._nativeWidth, this.props.NativeWidth?.() || this.props.PanelWidth());
+    private nativeHeight = () => NumCast(this.layoutDoc?._nativeHeight, this.props.NativeHeight?.() || this.props.PanelHeight());
     @computed get scaling() {
-        const wscale = this.props.PanelWidth() / (this.nativeWidth || this.props.PanelWidth() || 1);
-        if (wscale * this.nativeHeight > this.props.PanelHeight()) {
-            return (this.props.PanelHeight() / (this.nativeHeight || this.props.PanelHeight() || 1)) || 1;
+        const wscale = this.props.PanelWidth() / (this.nativeWidth() || this.props.PanelWidth() || 1);
+        if (wscale * this.nativeHeight() > this.props.PanelHeight()) {
+            return (this.props.PanelHeight() / (this.nativeHeight() || this.props.PanelHeight() || 1)) || 1;
         }
         return wscale || 1;
     }
@@ -61,12 +64,12 @@ export class ContentFittingDocumentView extends React.Component<ContentFittingDo
     private PanelWidth = () => this.panelWidth;
     private PanelHeight = () => this.panelHeight;
 
-    @computed get panelWidth() { return this.nativeWidth && (!this.props.Document || !this.props.Document._fitWidth) ? this.nativeWidth * this.contentScaling() : this.props.PanelWidth(); }
-    @computed get panelHeight() { return this.nativeHeight && (!this.props.Document || !this.props.Document._fitWidth) ? this.nativeHeight * this.contentScaling() : this.props.PanelHeight(); }
+    @computed get panelWidth() { return this.nativeWidth && (!this.props.Document || !this.props.Document._fitWidth) ? this.nativeWidth() * this.contentScaling() : this.props.PanelWidth(); }
+    @computed get panelHeight() { return this.nativeHeight && (!this.props.Document || !this.props.Document._fitWidth) ? this.nativeHeight() * this.contentScaling() : this.props.PanelHeight(); }
 
     private getTransform = () => this.props.getTransform().translate(-this.centeringOffset, -this.centeringYOffset).scale(1 / this.contentScaling());
-    private get centeringOffset() { return this.nativeWidth && (!this.props.Document || !this.props.Document._fitWidth) ? (this.props.PanelWidth() - this.nativeWidth * this.contentScaling()) / 2 : 0; }
-    private get centeringYOffset() { return Math.abs(this.centeringOffset) < 0.001 ? (this.props.PanelHeight() - this.nativeHeight * this.contentScaling()) / 2 : 0; }
+    private get centeringOffset() { return this.nativeWidth && (!this.props.Document || !this.props.Document._fitWidth) ? (this.props.PanelWidth() - this.nativeWidth() * this.contentScaling()) / 2 : 0; }
+    private get centeringYOffset() { return Math.abs(this.centeringOffset) < 0.001 ? (this.props.PanelHeight() - this.nativeHeight() * this.contentScaling()) / 2 : 0; }
 
     @computed get borderRounding() { return StrCast(this.props.Document?.borderRounding); }
 
@@ -81,7 +84,7 @@ export class ContentFittingDocumentView extends React.Component<ContentFittingDo
                     style={{
                         transform: `translate(${this.centeringOffset}px, 0px)`,
                         borderRadius: this.borderRounding,
-                        height: Math.abs(this.centeringYOffset) > 0.001 ? `${100 * this.nativeHeight / this.nativeWidth * this.props.PanelWidth() / this.props.PanelHeight()}%` : this.props.PanelHeight(),
+                        height: Math.abs(this.centeringYOffset) > 0.001 ? `${100 * this.nativeHeight() / this.nativeWidth() * this.props.PanelWidth() / this.props.PanelHeight()}%` : this.props.PanelHeight(),
                         width: Math.abs(this.centeringOffset) > 0.001 ? `${100 * (this.props.PanelWidth() - this.centeringOffset * 2) / this.props.PanelWidth()}%` : this.props.PanelWidth()
                     }}>
                     <DocumentView {...this.props}
@@ -89,6 +92,8 @@ export class ContentFittingDocumentView extends React.Component<ContentFittingDo
                         DataDoc={this.props.DataDocument}
                         LayoutDoc={this.props.LayoutDoc}
                         LibraryPath={this.props.LibraryPath}
+                        NativeWidth={this.nativeWidth}
+                        NativeHeight={this.nativeHeight}
                         fitToBox={this.props.fitToBox}
                         layoutKey={this.props.layoutKey}
                         dropAction={this.props.dropAction}