Data provider that provides texture data needed for Sprite Editor Window.
| previewTexture | Texture2D that represents the preview for ITextureDataProvider.texture. | 
| texture | Texture2D representation of the data provider. | 
| GetReadableTexture2D | Readable version of ITextureProvider.texture. | 
| GetTextureActualWidthAndHeight | The actual width and height of the texture data. |