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igordmn avatar igordmn commented on May 9, 2024 1

Fixed in 1.0.0-beta5

from compose-multiplatform.

igordmn avatar igordmn commented on May 9, 2024

Experiments with:

Text("Tet", Modifier.background(Color.Red), fontSize = 600.sp)

Segoe UI (default font on windows):
image

Helvetica (default font on macOs):
image

I ran this code:

    val typeface = Typeface.makeFromFile("Helvetica.ttf")
//    val typeface = Typeface.makeFromFile("HelveticaNeue.ttf")
    val font = Font(typeface, 1200f)
    println(typeface.familyName)
    println(font.metrics.ascent)
    println(font.metrics.descent)

(HelveticaNeue.ttf and Helvetica.ttf are from /System/Library/Fonts, extracted from ttc, Helvetica is the default font of Skia and Chrome)

And it prints on Windows:

Helvetica Neue
-1142.4
255.6

Helvetica
-1140.2344
270.1172

On macOs:

Helvetica Neue
-1142.395
255.59692

Helvetica
-924.02344
275.97656

So it seems on macOs we have wrong ascent with the same font file.

P.S. Chrome hasn't any issues with vertical alignment with Helvetica.

from compose-multiplatform.

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