# `GSTransformGridDataSource`

*Protocol*

## Declaration

```swift
protocol GSTransformGridDataSource
```

```objc
@protocol GSTransformGridDataSource
```

```python
GSTransformGridDataSource
```

## Topics

### Instance Methods

- [`GSTransformGridDataSource selectedCornerForTransformGrid:`](/Core/GlyphsApp/GSTransformGridDataSource/selectedCornerForTransformGrid:)
- [`GSTransformGridDataSource transformGrid:didChangeSelectedCorner:`](/Core/GlyphsApp/GSTransformGridDataSource/transformGrid:didChangeSelectedCorner:)

## Relationships

### Conforming Types

- [`InspectorViewNodesController`](/Core/GlyphsApp/InspectorViewNodesController)