coil: change album cover rounding method

Forgot that coil's RoundedCornerTransformation is dependent on the
resolution of the image, resulting in inconsistent rounded corners.
Fix this by just doing the plain clipToOutline to round album covers.

app/src/main/java/org/oxycblt/auxio/coil/CoilUtils.kt

@@ -29,7 +29,6 @@ import coil.imageLoader
 import coil.load
 import coil.request.ImageRequest
 import coil.size.OriginalSize
-import coil.transform.RoundedCornersTransformation
 import org.oxycblt.auxio.R
 import org.oxycblt.auxio.music.Album
 import org.oxycblt.auxio.music.Artist
@@ -67,16 +66,22 @@ fun ImageView.bindGenreImage(genre: Genre?) = load(genre, R.drawable.ic_genre)
 fun <T : Music> ImageView.load(music: T?, @DrawableRes error: Int) {
     dispose()
 
+    // We don't round album covers by default as it descecrates album artwork, but we do provide
+    // an option if one wants it.
+    // As for why we use clipToOutline instead of coil's RoundedCornersTransformation, the transform
+    // uses the dimensions of the image to create the corners, which results in inconsistent corners
+    // across loaded cover art.
+    val settingsManager = SettingsManager.getInstance()
+
+    if (settingsManager.roundCovers && background == null) {
+        setBackgroundResource(R.drawable.ui_rounded_cutout)
+        clipToOutline = true
+    } else if (!settingsManager.roundCovers && background != null) {
+        background = null
+        clipToOutline = false
+    }
+
     load(music) {
-        // Round out the corners if enabled
-        // We don't do this by default because it's ugly and desecrates album artwork.
-        val settingsManager = SettingsManager.getInstance()
-
-        if (settingsManager.roundCovers) {
-            val radius = resources.getDimension(R.dimen.spacing_small)
-            transformations(RoundedCornersTransformation(radius))
-        }
-
         error(error)
     }
 }

app/src/main/java/org/oxycblt/auxio/widgets/WidgetProvider.kt

@@ -89,8 +89,6 @@ class WidgetProvider : AppWidgetProvider() {
         // Load our image so that it takes up the phone screen. This allows
         // us to get stable rounded corners for every single widget image. This probably
         // sacrifices quality in some way, but it's really the only good option.
-        // Hey google, maybe allow us to use our own views in widgets next time. That would
-        // be nice.
         val metrics = context.resources.displayMetrics
         val imageSize = min(metrics.widthPixels, metrics.heightPixels)
 
@@ -102,8 +100,10 @@ class WidgetProvider : AppWidgetProvider() {
                 onSuccess = { onDone(it.toBitmap()) }
             )
 
-        // If we are on Android 12 or higher, round out the album cover so that the widget is
+        // If we are on Android 12 or higher, round out the album cover.
-        // cohesive. I really don't like this, but whatever.
+        // This is simply to maintain stylistic cohesion with other widgets.
+        // Here, we actually have to use RoundedCornersTransformation since the way
+        // we get a 1:1 aspect ratio image results in clipToOutline not working well.
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
             val transform = RoundedCornersTransformation(
                 context.resources.getDimensionPixelSize(

app/src/main/res/drawable/ui_rounded_cutout.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="@dimen/spacing_small" />
+</shape>