kscience/maps-kt
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Fix rounding of zoom

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Alexander Nozik 2022-07-13 12:59:57 +03:00
parent b764fdd95a
commit 4fc0f3515f
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1 changed files with 2 additions and 1 deletions
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src/jvmMain/kotlin/centre/sciprog/maps/compose/MapViewJvm.kt
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@ -23,6 +23,7 @@ import centre.sciprog.maps.*
import mu.KotlinLogging
import org.jetbrains.skia.Font
import org.jetbrains.skia.Paint
import kotlin.math.floor
import kotlin.math.pow
import kotlin.math.roundToInt
@ -49,7 +50,7 @@ actual fun MapView(
var viewPoint by remember { mutableStateOf(initialViewPoint) }
val zoom: Int by derivedStateOf { viewPoint.zoom.roundToInt() }
val zoom: Int by derivedStateOf { floor(viewPoint.zoom).toInt() }
val tileScale: Double by derivedStateOf { 2.0.pow(viewPoint.zoom - zoom) }