# Objective
Currently text is recomputed unnecessarily on any changes to its color,
which is extremely expensive.
## Solution
Split up `TextStyle` into two separate components `TextFont` and
`TextColor`.
## Testing
I added this system to `many_buttons`:
```rust
fn set_text_colors_changed(mut colors: Query<&mut TextColor>) {
for mut text_color in colors.iter_mut() {
text_color.set_changed();
}
}
```
reports ~4fps on main, ~50fps with this PR.
## Migration Guide
`TextStyle` has been renamed to `TextFont` and its `color` field has
been moved to a separate component named `TextColor` which newtypes
`Color`.
|
||
|---|---|---|
| .. | ||
| clear_color.rs | ||
| custom_user_event.rs | ||
| low_power.rs | ||
| monitor_info.rs | ||
| multiple_windows.rs | ||
| scale_factor_override.rs | ||
| screenshot.rs | ||
| transparent_window.rs | ||
| window_resizing.rs | ||
| window_settings.rs | ||