3 files changed, 9 insertions, 6 deletions
diff --git a/src/client/util/type_decls.d b/src/client/util/type_decls.d
index 08aec3724..ab6c94f83 100644
--- a/src/client/util/type_decls.d
+++ b/src/client/util/type_decls.d
@@ -187,6 +187,11 @@ declare class List<T extends Field> extends ObjectField {
     [Copy](): ObjectField;
 }
 
+declare class InkField extends ObjectField {
+    constructor(data:Array<{X:number, Y:number}>);
+    [Copy](): ObjectField;
+}
+
 // @ts-ignore
 declare const console: any;
 
diff --git a/src/client/views/DocumentDecorations.tsx b/src/client/views/DocumentDecorations.tsx
index 1ae7d6617..005df6fe0 100644
--- a/src/client/views/DocumentDecorations.tsx
+++ b/src/client/views/DocumentDecorations.tsx
@@ -68,8 +68,6 @@ export class DocumentDecorations extends React.Component<{}, { value: string }>
     private _prevY = 0;
     private _centerPoints: { X: number, Y: number }[] = [];
     private _inkDocs: { x: number, y: number, width: number, height: number }[] = [];
-    private _natWid = 0;
-    private _natHei = 0;
 
     @observable private _accumulatedTitle = "";
     @observable private _titleControlString: string = "#title";
diff --git a/src/client/views/InkingStroke.tsx b/src/client/views/InkingStroke.tsx
index fe5bf1eb2..6c5eda256 100644
--- a/src/client/views/InkingStroke.tsx
+++ b/src/client/views/InkingStroke.tsx
@@ -99,10 +99,10 @@ export class InkingStroke extends ViewBoxBaseComponent<FieldViewProps, InkDocume
         const top = Math.min(...ys) - strokeWidth / 2;
         const right = Math.max(...xs) + strokeWidth / 2;
         const bottom = Math.max(...ys) + strokeWidth / 2;
-        const width = right - left;
-        const height = bottom - top;
-        const scaleX = (this.props.PanelWidth() - strokeWidth) / (width - strokeWidth);
-        const scaleY = (this.props.PanelHeight() - strokeWidth) / (height - strokeWidth);
+        const width = Math.max(right - left);
+        const height = Math.max(1, bottom - top);
+        const scaleX = width === strokeWidth ? 1 : (this.props.PanelWidth() - strokeWidth) / (width - strokeWidth);
+        const scaleY = height === strokeWidth ? 1 : (this.props.PanelHeight() - strokeWidth) / (height - strokeWidth);
         const strokeColor = StrCast(this.layoutDoc.color, "");
 
         const points = InteractionUtils.CreatePolyline(data, left, top, strokeColor, strokeWidth, strokeWidth,