Generates PNG initials avatar
| Name | Default | Description |
|---|---|---|
| name | John Doe | Initials will be generated from this name. Will be used to generate background if not specified. |
| size | 64 | Size of the image. |
| rounded | false | Generate round image. |
| color | white | Font color. |
| bg | indefined | Background color. Will use generated color from name if not specified. |
| ratio | 40 | Ratio of font size to image. |