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kotlinlang

how to convert `Dp` to `Px` is there any special helper yet with compose APIs ? :slightly_smiling_face:

image.png

Docs say there is a `toPx` but I cannot find it in `Dp` however there is an `IntPx.toPx()` ...

You need to know the density of the display to perform the conversion. Use `withDensity` to get access to the `toPx` function.

Example from <https://medium.com/mindful-engineering/saying-hello-to-jetpack-compose-a96d9e9c4f77>:

```Text(
  text = "Hello world!",
  // apply theme as per requirement                    
 style = TextStyle(
    color = Color.Blue,
    fontSize = +withDensity { 50.dp.toPx().value }), 
    textAlign = TextAlign.Center
)```

For some reason I had to also pass density as first required argument

```    val density = Density(+ambient(ContextAmbient))
    val widthPx = +withDensity(density) { ovalWidth.toPx().value }
    val heightPx = +withDensity(density) { ovalHeight.toPx().value }```

weird… probably they’re in the middle of changing the api? ¯\_(ツ)_/¯

aha yes apologies :slightly_smiling_face: