make avatar images in drawer rounded squares (#1388)

app/src/main/java/com/keylesspalace/tusky/view/BezelImageView.java

@@ -0,0 +1,63 @@
+/* Copyright 2019 Tusky contributors
+ *
+ * This file is a part of Tusky.
+ *
+ * This program is free software; you can redistribute it and/or modify it under the terms of the
+ * GNU General Public License as published by the Free Software Foundation; either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
+ * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+ * Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with Tusky; if not,
+ * see <http://www.gnu.org/licenses>. */
+
+package com.keylesspalace.tusky.view;
+
+import android.content.Context;
+import android.graphics.Outline;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.ViewOutlineProvider;
+
+
+/**
+ * override BezelImageView from MaterialDrawer library to provide custom outline
+ */
+
+public class BezelImageView extends com.mikepenz.materialdrawer.view.BezelImageView {
+    public BezelImageView(Context context) {
+        this(context, null);
+    }
+
+    public BezelImageView(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public BezelImageView(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+
+
+    @Override
+    protected void onSizeChanged(int w, int h, int old_w, int old_h) {
+        setOutlineProvider(new CustomOutline(w, h));
+    }
+
+    private static class CustomOutline extends ViewOutlineProvider {
+
+        int width;
+        int height;
+
+        CustomOutline(int width, int height) {
+            this.width = width;
+            this.height = height;
+        }
+
+        @Override
+        public void getOutline(View view, Outline outline) {
+            outline.setRoundRect(0, 0, width, height, width < height ? width / 8f : height / 8f);
+        }
+    }
+}