Glassmorphism in jetpack compose

MainActivity.kt

package dev.jakhongirmadaminov.glassmorphic_sample

import android.graphics.Bitmap
import android.graphics.BitmapFactory
import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.foundation.Canvas
import androidx.compose.foundation.Image
import androidx.compose.foundation.background
import androidx.compose.foundation.horizontalScroll
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.width
import androidx.compose.foundation.rememberScrollState
import androidx.compose.material.MaterialTheme
import androidx.compose.material.Surface
import androidx.compose.material.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateListOf
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.Modifier
import androidx.compose.ui.geometry.CornerRadius
import androidx.compose.ui.geometry.Offset
import androidx.compose.ui.geometry.Rect
import androidx.compose.ui.geometry.RoundRect
import androidx.compose.ui.geometry.Size
import androidx.compose.ui.graphics.BlendMode
import androidx.compose.ui.graphics.Brush
import androidx.compose.ui.graphics.ClipOp
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.Path
import androidx.compose.ui.graphics.asAndroidBitmap
import androidx.compose.ui.graphics.asImageBitmap
import androidx.compose.ui.graphics.drawscope.Stroke
import androidx.compose.ui.graphics.drawscope.clipPath
import androidx.compose.ui.layout.ContentScale
import androidx.compose.ui.layout.onGloballyPositioned
import androidx.compose.ui.layout.positionInParent
import androidx.compose.ui.platform.LocalConfiguration
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.platform.LocalDensity
import androidx.compose.ui.res.painterResource
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import dev.jakhongirmadaminov.glassmorphic_sample.ui.theme.MyApplicationTheme
import dev.jakhongirmadaminov.glassmorphiccomposables.GlassmorphicColumn
import dev.jakhongirmadaminov.glassmorphiccomposables.Place
import dev.shreyaspatil.capturable.Capturable
import dev.shreyaspatil.capturable.controller.rememberCaptureController
import kotlinx.coroutines.Dispatchers.Main
import kotlinx.coroutines.withContext

class MainActivity : ComponentActivity() {
    
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {
            MyApplicationTheme {
                // A surface container using the 'background' color from the theme
                Surface(
                    modifier = Modifier.fillMaxSize(),
                    color = MaterialTheme.colors.background
                ) {
                    Sample2()
                }
            }
        }
    }
}

@Composable
fun Sample2() {
    var screenWidthPx: Int
    var screenWidthDp: Int
    var cardWidthPx: Int
    var cardWidthDp: Int
    var cardHeightPx: Int
    val cardHeightDp = 150
    var cardMarginPx: Int
    val cardMarginDp = 15

    with(LocalDensity.current) {
        screenWidthDp = LocalConfiguration.current.screenWidthDp
        screenWidthPx = screenWidthDp.dp.toPx().toInt()
        cardWidthPx = screenWidthPx / 2
        cardWidthDp = screenWidthDp / 2
        cardHeightPx = cardHeightDp.dp.toPx().toInt()
        cardMarginPx = cardMarginDp.dp.toPx().toInt()
    }

    val bg = Bitmap.createScaledBitmap(
        BitmapFactory.decodeResource(
            LocalContext.current.resources,
            R.drawable.samarkand
        ), screenWidthPx, screenWidthPx, true
    )
    val bgBlurred = Bitmap.createScaledBitmap(
        BitmapFactory.decodeResource(
            LocalContext.current.resources,
            R.drawable.samarkand_blurred
        ), screenWidthPx, screenWidthPx, true
    )

    val scrollState = rememberScrollState()
    val items = listOf(1, 2, 3, 4)

    Box {

        Image(
            bitmap = bg.asImageBitmap(),
            contentDescription = "",
            modifier = Modifier.fillMaxWidth()
        )

        Canvas(
            modifier = Modifier
                .horizontalScroll(scrollState)
                .width((items.size * (cardWidthDp + cardMarginDp) + cardMarginDp).dp)
                .height(screenWidthDp.dp)
        ) {
            for (i in items.indices) {
                val path = Path()

                path.addRoundRect(
                    RoundRect(
                        Rect(
                            Offset(
                                (i * (cardWidthPx + cardMarginPx) + cardMarginPx).toFloat(),
                                0f
                            ),
                            Size(cardWidthPx.toFloat(), cardHeightPx.toFloat())
                        ),
                        CornerRadius(10.dp.toPx())
                    )
                )

                clipPath(path, clipOp = ClipOp.Intersect) {
                    drawImage(
                        bgBlurred.asImageBitmap(),
                        Offset(scrollState.value.toFloat(), 0f)
                    )
                }
            }
        }

        Row(
            modifier = Modifier
                .horizontalScroll(scrollState)
                .padding(
                    start = cardMarginDp.dp,
                    end = cardMarginDp.dp
                ),
            horizontalArrangement = Arrangement.spacedBy(cardMarginDp.dp),
        ) {
            items.forEach {
                Box(
                    modifier = Modifier
                        .width(cardWidthDp.dp)
                        .padding(15.dp)
                ) {
                    Text("Item $it")
                }
            }
        }

    }

}