jetpack compose - Image background

MainActivity.kt

package com.cfsuman.jetpackcompose

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import androidx.activity.compose.setContent
import androidx.compose.foundation.Image
import androidx.compose.foundation.background
import androidx.compose.foundation.layout.*
import androidx.compose.foundation.shape.CircleShape
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.clip
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.layout.ContentScale
import androidx.compose.ui.res.painterResource
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp

class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        setContent {
            MainContent()
        }
    }


    @Composable
    fun MainContent(){
        Column(
            modifier = Modifier
                .fillMaxSize()
                .background(Color(0xFF8F9779))
                .padding(16.dp),
            verticalArrangement = Arrangement.spacedBy(16.dp),
            horizontalAlignment = Alignment.CenterHorizontally
        ) {
            Image(
                painter = painterResource(id = R.drawable.pumpkin),
                contentDescription = "Localized description",
                contentScale = ContentScale.Crop,
                modifier = Modifier
                    .clip(shape = RoundedCornerShape(16.dp))
                    .background(Color(0xFFE3DAC9))
                    .fillMaxWidth()
                    .height(150.dp)
                    .padding(16.dp)
            )

            Image(
                painter = painterResource(id = R.drawable.flower3),
                contentDescription = "Localized description",
                contentScale = ContentScale.Crop,
                modifier = Modifier
                    .background(
                        Color(0xFF8FBC8F),
                        shape = RoundedCornerShape(16.dp)
                    )
                    .fillMaxWidth()
                    .height(150.dp)
                    .padding(16.dp)
                    .clip(shape = RoundedCornerShape(16.dp))
            )

            Image(
                painter = painterResource(id = R.drawable.flower5),
                contentDescription = "Localized description",
                contentScale = ContentScale.FillWidth,
                modifier = Modifier
                    .background(
                        Color(0xFF555D50),
                        shape = CircleShape
                    )
                    .size(250.dp)
                    .padding(12.dp)
                    .clip(shape = CircleShape)
            )
        }
    }


    @Preview
    @Composable
    fun ComposablePreview(){
        //MainContent()
    }
}