Stroke text is not displaying.

**Problem**

When using a stroke style, nothing is being painted.

**Steps To Reproduce**
Steps to reproduce the behavior:

```rust 
fn_widget! {
  @Text {
    painting_style: PaintingStyle::Stroke(StrokeOptions::default()),
    text: "Hello!"
  }
}
```

**Expected behavior**

The text with a stroke should be displayed.