use center of selection bounds for rotation if more than one stroke is selected.

1 files changed, 3 insertions, 2 deletions

diff --git a/src/client/views/DocumentDecorations.tsx b/src/client/views/DocumentDecorations.tsx
index 3b2661145..522995479 100644
--- a/src/client/views/DocumentDecorations.tsx
+++ b/src/client/views/DocumentDecorations.tsx
@@ -63,14 +63,15 @@ export class DocumentDecorations extends React.Component<{ PanelWidth: number, P
 
     @computed
     get Bounds() {
-        return SelectionManager.Views().map(dv => dv.getBounds()).reduce((bounds, rect) =>
+        const views = SelectionManager.Views();
+        return views.map(dv => dv.getBounds()).reduce((bounds, rect) =>
             !rect ? bounds :
                 {
                     x: Math.min(rect.left, bounds.x),
                     y: Math.min(rect.top, bounds.y),
                     r: Math.max(rect.right, bounds.r),
                     b: Math.max(rect.bottom, bounds.b),
-                    c: rect.center
+                    c: views.length === 1 ? rect.center : undefined
                 },
             { x: Number.MAX_VALUE, y: Number.MAX_VALUE, r: Number.MIN_VALUE, b: Number.MIN_VALUE, c: undefined as ({ X: number, Y: number } | undefined) });
     }