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perf(ui): render QR codes at display density instead of fixed 960px (#6793)

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Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
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James RichandClaude Fable 5 authored and GitHub committed 2026-08-20 17:06:08 +00:00
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commit 4d4070c8e1
1 file changed
+4 -2
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core/ui/src/commonMain/kotlin/org/meshtastic/core/ui/component/QrDialog.kt
+4 -2
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@@ -38,6 +38,7 @@ import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.layout.ContentScale
import androidx.compose.ui.platform.LocalClipboard
import androidx.compose.ui.platform.LocalDensity
import androidx.compose.ui.text.style.TextOverflow
import androidx.compose.ui.unit.dp
import kotlinx.coroutines.launch
@@ -63,13 +64,14 @@ import org.meshtastic.core.ui.util.createClipEntry
import org.meshtastic.core.ui.util.rememberQrCodePainter
private const val QR_DISPLAY_SIZE = 320
private const val QR_RENDER_SIZE = 960
@Composable
fun QrDialog(title: String, uriString: String, onDismiss: () -> Unit) {
val clipboardManager = LocalClipboard.current
val coroutineScope = rememberCoroutineScope()
val qrPainter = rememberQrCodePainter(uriString, QR_RENDER_SIZE)
// Render at the actual on-screen pixel size so low-density devices don't over-allocate bitmap memory.
val qrRenderSizePx = with(LocalDensity.current) { QR_DISPLAY_SIZE.dp.roundToPx() }
val qrPainter = rememberQrCodePainter(uriString, qrRenderSizePx)
val nfcSupported = LocalNfcScannerSupported.current
val nfcWriter = LocalNfcWriterProvider.current