Fix: Bitmap transformation with size limit

android/src/main/java/com/dylanvann/fastimage/FastImageViewWithUrl.java

@@ -142,7 +142,8 @@ public void onAfterUpdate(
                             .apply(FastImageViewConverter
                                     .getOptions(context, imageSource, mSource)
                                     .placeholder(mDefaultSource) // show until loaded
-                                    .fallback(mDefaultSource)); // null will not be treated as error
+                                    .fallback(mDefaultSource))
+                            .transform(new ResizeTransformation());
 
             if (key != null)
                 builder.listener(new FastImageRequestListener(key));

android/src/main/java/com/dylanvann/fastimage/ResizeTransformation.java

@@ -0,0 +1,41 @@
+package com.dylanvann.fastimage;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+
+import androidx.annotation.NonNull;
+
+import com.bumptech.glide.load.Transformation;
+import com.bumptech.glide.load.engine.Resource;
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
+import com.bumptech.glide.load.resource.bitmap.BitmapResource;
+
+import java.security.MessageDigest;
+
+public class ResizeTransformation implements Transformation<Bitmap> {
+
+    private final double MAX_BYTES = 25000000.0;
+
+    @NonNull
+    @Override
+    public Resource<Bitmap> transform(@NonNull Context context, @NonNull Resource<Bitmap> resource, int outWidth, int outHeight) {
+        Bitmap toTransform = resource.get();
+
+        if (toTransform.getByteCount() > MAX_BYTES) {
+            double scaleFactor = Math.sqrt(MAX_BYTES / (double) toTransform.getByteCount());
+            int newHeight = (int) (outHeight * scaleFactor);
+            int newWidth = (int) (outWidth * scaleFactor);
+
+            BitmapPool pool = GlideApp.get(context).getBitmapPool();
+            Bitmap scaledBitmap =  Bitmap.createScaledBitmap(toTransform, newWidth, newHeight, true);
+            return BitmapResource.obtain(scaledBitmap, pool);
+        }
+
+        return resource;
+    }
+
+    @Override
+    public void updateDiskCacheKey(@NonNull MessageDigest messageDigest) {
+        messageDigest.update(("ResizeTransformation").getBytes());
+    }
+}