Passing the size of the robohash rendering to the request in the hopes to improve performance.

app/src/main/java/com/vitorpamplona/amethyst/ui/components/Robohash.kt

@@ -11,6 +11,7 @@ import coil.fetch.Fetcher
 import coil.fetch.SourceResult
 import coil.request.ImageRequest
 import coil.request.Options
+import coil.size.Size
 import okio.Buffer
 import java.security.MessageDigest
 
@@ -61,6 +62,7 @@ private fun svgString(msg: String): String {
 
 class HashImageFetcher(
     private val context: Context,
+    private val size: Size,
     private val data: Uri
 ) : Fetcher {
 
@@ -79,16 +81,17 @@ class HashImageFetcher(
 
     object Factory : Fetcher.Factory<Uri> {
         override fun create(data: Uri, options: Options, imageLoader: ImageLoader): Fetcher {
-            return HashImageFetcher(options.context, data)
+            return HashImageFetcher(options.context, options.size, data)
         }
     }
 }
 object Robohash {
-    fun imageRequest(context: Context, message: String): ImageRequest {
+    fun imageRequest(context: Context, message: String, robotSize: Size): ImageRequest {
         return ImageRequest
             .Builder(context)
             .data("robohash:$message")
             .fetcherFactory(HashImageFetcher.Factory)
+            .size(robotSize)
             .crossfade(100)
             .build()
     }

app/src/main/java/com/vitorpamplona/amethyst/ui/components/RobohashAsyncImage.kt

@@ -9,13 +9,17 @@ import androidx.compose.ui.graphics.FilterQuality
 import androidx.compose.ui.graphics.drawscope.DrawScope
 import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.unit.Dp
 import coil.compose.AsyncImage
 import coil.compose.AsyncImagePainter
 import coil.compose.rememberAsyncImagePainter
+import coil.size.Size
 
 @Composable
 fun RobohashAsyncImage(
     robot: String,
+    robotSize: Dp,
     modifier: Modifier = Modifier,
     contentDescription: String? = null,
     transform: (AsyncImagePainter.State) -> AsyncImagePainter.State = AsyncImagePainter.DefaultTransform,
@@ -26,23 +30,30 @@ fun RobohashAsyncImage(
     colorFilter: ColorFilter? = null,
     filterQuality: FilterQuality = DrawScope.DefaultFilterQuality
 ) {
-    AsyncImage(
-        model = Robohash.imageRequest(LocalContext.current, robot),
-        contentDescription = contentDescription,
-        modifier = modifier,
-        transform = transform,
-        onState = onState,
-        alignment = alignment,
-        contentScale = contentScale,
-        alpha = alpha,
-        colorFilter = colorFilter,
-        filterQuality = filterQuality
-    )
+    with(LocalDensity.current) {
+        AsyncImage(
+            model = Robohash.imageRequest(
+                LocalContext.current,
+                robot,
+                Size(robotSize.roundToPx(), robotSize.roundToPx())
+            ),
+            contentDescription = contentDescription,
+            modifier = modifier,
+            transform = transform,
+            onState = onState,
+            alignment = alignment,
+            contentScale = contentScale,
+            alpha = alpha,
+            colorFilter = colorFilter,
+            filterQuality = filterQuality
+        )
+    }
 }
 
 @Composable
 fun RobohashFallbackAsyncImage(
     robot: String,
+    robotSize: Dp,
     model: String?,
     contentDescription: String?,
     modifier: Modifier = Modifier,
@@ -53,7 +64,15 @@ fun RobohashFallbackAsyncImage(
     filterQuality: FilterQuality = DrawScope.DefaultFilterQuality
 ) {
     val context = LocalContext.current
-    val painter = rememberAsyncImagePainter(model = Robohash.imageRequest(context, robot))
+    val painter = with(LocalDensity.current) {
+        rememberAsyncImagePainter(
+            model = Robohash.imageRequest(
+                context,
+                robot,
+                Size(robotSize.roundToPx(), robotSize.roundToPx())
+            )
+        )
+    }
 
     AsyncImage(
         model = model,
@@ -85,6 +104,7 @@ fun RobohashAsyncImageProxy(
     if (model.url == null) {
         RobohashAsyncImage(
             robot = robot,
+            robotSize = model.size,
             contentDescription = contentDescription,
             modifier = modifier,
             alignment = alignment,
@@ -96,6 +116,7 @@ fun RobohashAsyncImageProxy(
     } else {
         RobohashFallbackAsyncImage(
             robot = robot,
+            robotSize = model.size,
             model = model.proxyUrl(),
             contentDescription = contentDescription,
             modifier = modifier,

app/src/main/java/com/vitorpamplona/amethyst/ui/note/ChatroomMessageCompose.kt

@@ -373,6 +373,7 @@ private fun RelayBadges(baseNote: Note) {
             ) {
                 RobohashFallbackAsyncImage(
                     robot = "https://$url/favicon.ico",
+                    robotSize = 15.dp,
                     model = "https://$url/favicon.ico",
                     contentDescription = stringResource(id = R.string.relay_icon),
                     colorFilter = ColorFilter.colorMatrix(ColorMatrix().apply { setToSaturation(0f) }),

app/src/main/java/com/vitorpamplona/amethyst/ui/note/NoteCompose.kt

@@ -898,6 +898,7 @@ private fun RelayBadges(baseNote: Note) {
             ) {
                 RobohashFallbackAsyncImage(
                     robot = "https://$url/favicon.ico",
+                    robotSize = 15.dp,
                     model = "https://$url/favicon.ico",
                     contentDescription = stringResource(R.string.relay_icon),
                     colorFilter = ColorFilter.colorMatrix(ColorMatrix().apply { setToSaturation(0f) }),
@@ -970,6 +971,7 @@ fun NoteAuthorPicture(
         if (author == null) {
             RobohashAsyncImage(
                 robot = "authornotfound",
+                robotSize = size,
                 contentDescription = stringResource(R.string.unknown_author),
                 modifier = modifier
                     .width(size)

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/ProfileScreen.kt

@@ -655,6 +655,7 @@ fun BadgeThumb(
         if (image == null) {
             RobohashAsyncImage(
                 robot = "authornotfound",
+                robotSize = size,
                 contentDescription = stringResource(R.string.unknown_author),
                 modifier = pictureModifier
                     .width(size)
@@ -664,6 +665,7 @@ fun BadgeThumb(
         } else {
             RobohashFallbackAsyncImage(
                 robot = note.idHex,
+                robotSize = size,
                 model = image,
                 contentDescription = stringResource(id = R.string.profile_image),
                 modifier = pictureModifier