jetpack compose - Image size

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.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(0xFFFFFACD))
                .padding(16.dp),
            verticalArrangement = Arrangement.spacedBy(16.dp),
            horizontalAlignment = Alignment.CenterHorizontally
        ) {
            Image(
                painter = painterResource(id = R.drawable.sunflower),
                contentDescription = "Localized description",
                contentScale = ContentScale.Crop,
                modifier = Modifier
                    .clip(shape = RoundedCornerShape(16.dp))
                    .size(250.dp,150.dp)
            )

            Image(
                painter = painterResource(id = R.drawable.sunflower),
                contentDescription = "Localized description",
                contentScale = ContentScale.Crop,
                modifier = Modifier
                    .clip(shape = RoundedCornerShape(16.dp))
                    .size(100.dp)
            )

            Image(
                painter = painterResource(id = R.drawable.sunflower),
                contentDescription = "Localized description",
                contentScale = ContentScale.Crop,
                modifier = Modifier
                    .clip(shape = RoundedCornerShape(16.dp))
                    .fillMaxWidth()
                    .height(75.dp)
            )

            Image(
                painter = painterResource(id = R.drawable.sunflower),
                contentDescription = "Localized description",
                contentScale = ContentScale.Crop,
                modifier = Modifier
                    .clip(shape = RoundedCornerShape(16.dp))
                    .fillMaxHeight()
                    .width(75.dp)
            )
        }
    }


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