Filter use case - bad practice

feature/interests/impl/src/main/kotlin/com/google/samples/apps/nowinandroid/feature/interests/impl/filter/FilterActivity.kt

@@ -103,7 +103,7 @@ fun FilterScreen(modifier: Modifier = Modifier) {
 
     val sourceBitmap = remember { decodeSourceBitmap(context) }
 
-    val sourceImage = remember(sourceBitmap) { sourceBitmap.asImageBitmap() }
+    val previewBitmap = createFilteredBitmap(sourceBitmap, selectedFilter)
 
     Column(
         modifier = modifier
@@ -122,22 +122,22 @@ fun FilterScreen(modifier: Modifier = Modifier) {
         Spacer(modifier = Modifier.height(12.dp))
 
         Image(
-            bitmap = sourceImage,
+            bitmap = previewBitmap.asImageBitmap(),
             contentDescription = "Filtered Preview (${selectedFilter.name})",
             modifier = Modifier
                 .size(300.dp)
                 .clip(RoundedCornerShape(12.dp))
                 .background(Color.LightGray),
-            contentScale = ContentScale.Crop,
-            colorFilter = selectedFilter.colorFilter
+            contentScale = ContentScale.Crop
         )
 
         Spacer(modifier = Modifier.height(12.dp))
 
         LazyRow(horizontalArrangement = Arrangement.spacedBy(12.dp)) {
             items(FILTERS, key = { it.name }) { filter ->
+                val thumbnail = createFilteredBitmap(sourceBitmap, filter)
                 FilterThumbnail(
-                    image = sourceImage,
+                    image = thumbnail.asImageBitmap(),
                     filter = filter,
                     selected = filter == selectedFilter,
                     onClick = { selectedFilter = filter}
@@ -189,7 +189,6 @@ fun FilterThumbnail(
                 contentDescription = filter.name,
                 modifier = Modifier.fillMaxSize(),
                 contentScale = ContentScale.Crop,
-                colorFilter = filter.colorFilter
             )
         }
         Spacer(modifier = Modifier.height(4.dp))

feature/interests/impl/src/main/kotlin/com/google/samples/apps/nowinandroid/feature/interests/impl/filter/FilterUtils.kt

@@ -99,7 +99,7 @@ val FILTERS = listOf(
 
 fun decodeSourceBitmap(context: Context): Bitmap {
     val options = BitmapFactory.Options().apply { inSampleSize = 4 }
-    return BitmapFactory.decodeResource(context.resources, R.drawable.feature_interests_impl_large_image, options)
+    return BitmapFactory.decodeResource(context.resources, R.drawable.img, options)
 }
 
 fun createFilteredBitmap(source: Bitmap, filter: ImageFilter): Bitmap {