Drawer blurs behind

app/src/main/kotlin/androidx/compose/material3/NavigationDrawer2.kt

@@ -32,6 +32,7 @@ import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.blur
 import androidx.compose.ui.draw.scale
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.input.pointer.pointerInput
@@ -47,6 +48,7 @@ import androidx.compose.ui.unit.Density
 import androidx.compose.ui.unit.IntOffset
 import androidx.compose.ui.unit.LayoutDirection
 import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.lerp
 import androidx.compose.ui.util.lerp
 import com.hippo.ehviewer.ui.tools.animateFloatMergeOneWayPredictiveBackAsState
 import kotlin.math.roundToInt
@@ -298,7 +300,9 @@ fun ModalNavigationDrawer(
         Modifier
     }
     Box(modifier.fillMaxSize().then(dragModifier)) {
-        Box {
+        val step = calculateFraction(minValue, maxValue, drawerState.currentOffset)
+        val radius = lerp(0.dp, 10.dp, step)
+        Box(modifier = Modifier.blur(radius)) {
             content()
         }
         Scrim(
@@ -419,7 +423,9 @@ fun SideDrawer(
         Modifier
     }
     Box(modifier.fillMaxSize().then(dragModifier)) {
-        Box {
+        val step = calculateFraction(minValue, maxValue, drawerState.currentOffset)
+        val radius = lerp(0.dp, 10.dp, step)
+        Box(modifier = Modifier.blur(radius)) {
             content()
         }
         Scrim(