preview-lab/me.tbsten.compose.preview.lab.field/provideDefaultCompositionLocalFields

provideDefaultCompositionLocalFields

fun PreviewLabScope.provideDefaultCompositionLocalFields(densityField: (MutablePreviewLabField<Float>) -> MutablePreviewLabField<Float> = { it }, fontScaleField: (MutablePreviewLabField<Float>) -> MutablePreviewLabField<Float> = { it.withBasicFontScalesHint() }): Array<ProvidedValue<*>>

Provides default Compose composition local fields for PreviewLab.

This function creates interactive fields for commonly used composition locals like:

LocalDensity with customizable density and font scale
LocalLayoutDirection with selectable layout directions
Platform-specific composition locals

Return

Array of ProvidedValue containing the composition local fields.

Usage

@Preview
@Composable
fun MyPreview() = PreviewLab {
    CompositionLocalProvider(
        *provideDefaultCompositionLocalFields(),
    ) {
        MyComponent()
    }
}

Parameters

densityField

Transform function for the density field. Default is identity.

fontScaleField

Transform function for the font scale field. Default adds basic font scale hints.