# `GlyphsReporter needsExtraMainOutlineDrawingInPreviewLayer:`

*Instance Method*

Implement this and return NO if you did all drawing yourself and don’t need the regular outline drawn on top of it.

## Declaration

```swift
optional func needsExtraMainOutlineDrawing(inPreviewLayer layer: GSLayer!) -> Bool
```

```objc
- (BOOL) needsExtraMainOutlineDrawingInPreviewLayer:(GSLayer *) layer;
```

```python
needsExtraMainOutlineDrawingInPreviewLayer_(layer: GSLayer) -> bool
```

## Parameters

- `layer` — The layer

## Return Value

Return NO if the normal outline drawing should be suppressed.