Create round icons in background

app/src/main/java/eu/faircode/email/AdapterMessage.java

@@ -35,7 +35,6 @@ import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
 import android.content.res.ColorStateList;
 import android.database.Cursor;
-import android.graphics.Bitmap;
 import android.graphics.Color;
 import android.graphics.Rect;
 import android.graphics.Typeface;
@@ -82,8 +81,6 @@ import androidx.annotation.Nullable;
 import androidx.appcompat.widget.PopupMenu;
 import androidx.constraintlayout.widget.ConstraintLayout;
 import androidx.constraintlayout.widget.Group;
-import androidx.core.graphics.drawable.RoundedBitmapDrawable;
-import androidx.core.graphics.drawable.RoundedBitmapDrawableFactory;
 import androidx.lifecycle.Lifecycle;
 import androidx.lifecycle.LifecycleObserver;
 import androidx.lifecycle.LifecycleOwner;
@@ -147,7 +144,6 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
     private boolean contacts;
     private boolean search;
     private boolean avatars;
-    private boolean circular;
     private boolean flags;
     private boolean preview;
     private boolean autohtml;
@@ -734,15 +730,9 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         }
 
         private void bindContactInfo(ContactInfo info, TupleMessageEx message) {
-            if (info.hasPhoto()) {
+            if (info.hasPhoto())
-                Bitmap bm = info.getPhotoBitmap();
+                ivAvatar.setImageBitmap(info.getPhotoBitmap());
-                if (circular) {
+            else
-                    RoundedBitmapDrawable rounded = RoundedBitmapDrawableFactory.create(context.getResources(), bm);
-                    rounded.setCircular(true);
-                    ivAvatar.setImageDrawable(rounded);
-                } else
-                    ivAvatar.setImageBitmap(info.getPhotoBitmap());
-            } else
                 ivAvatar.setImageResource(R.drawable.baseline_person_24);
             ivAvatar.setVisibility(avatars ? View.VISIBLE : View.GONE);
             tvFrom.setText(info.getDisplayName(name_email));
@@ -3080,7 +3070,6 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                 PackageManager.COMPONENT_ENABLED_STATE_ENABLED);
         this.avatars = (prefs.getBoolean("avatars", true) ||
                 prefs.getBoolean("identicons", false));
-        this.circular = prefs.getBoolean("circular", true);
         this.flags = prefs.getBoolean("flags", true);
         this.preview = prefs.getBoolean("preview", false);
         this.autohtml = prefs.getBoolean("autohtml", false);

app/src/main/java/eu/faircode/email/ContactInfo.java

@@ -7,6 +7,13 @@ import android.content.SharedPreferences;
 import android.database.Cursor;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.PorterDuff;
+import android.graphics.PorterDuffXfermode;
+import android.graphics.Rect;
+import android.graphics.RectF;
 import android.net.Uri;
 import android.provider.ContactsContract;
 import android.util.TypedValue;
@@ -145,6 +152,38 @@ public class ContactInfo {
                 info.bitmap = Identicon.letter(key, dp, dark);
         }
 
+        boolean circular = prefs.getBoolean("circular", true);
+        if (info.bitmap != null && circular) {
+            int w = info.bitmap.getWidth();
+            int h = info.bitmap.getHeight();
+
+            Rect source;
+            if (w > h) {
+                int off = (w - h) / 2;
+                source = new Rect(off, 0, w - off, h);
+            } else if (w < h) {
+                int off = (h - w) / 2;
+                source = new Rect(0, off, w, h - off);
+            } else
+                source = new Rect(0, 0, w, h);
+
+            Rect dest = new Rect(0, 0, source.width(), source.height());
+
+            Bitmap round = Bitmap.createBitmap(source.width(), source.height(), Bitmap.Config.ARGB_8888);
+            Canvas canvas = new Canvas(round);
+
+            Paint paint = new Paint();
+            paint.setAntiAlias(true);
+            canvas.drawARGB(0, 0, 0, 0);
+            paint.setColor(Color.GRAY);
+            canvas.drawOval(new RectF(dest), paint);
+            paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
+            canvas.drawBitmap(info.bitmap, source, dest, paint);
+
+            info.bitmap.recycle();
+            info.bitmap = round;
+        }
+
         if (info.displayName == null)
             info.displayName = address.getPersonal();
 

app/src/main/java/eu/faircode/email/FragmentOptions.java

@@ -345,6 +345,7 @@ public class FragmentOptions extends FragmentBase implements SharedPreferences.O
             @Override
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
                 prefs.edit().putBoolean("circular", checked).apply();
+                ContactInfo.clearCache();
             }
         });