Fix scaling issue when loading emoji sprites

Fixes #5973
// FREEBIE

src/org/thoughtcrime/securesms/components/emoji/EmojiProvider.java

@@ -110,11 +110,7 @@ class EmojiProvider {
     final EmojiDrawable drawable = new EmojiDrawable(drawInfo, decodeScale);
     drawInfo.getPage().get().addListener(new FutureTaskListener<Bitmap>() {
       @Override public void onSuccess(final Bitmap result) {
-        Util.runOnMain(new Runnable() {
-          @Override public void run() {
-            drawable.setBitmap(result);
-          }
-        });
+        Util.runOnMain(() -> drawable.setBitmap(result));
       }
 
       @Override public void onFailure(ExecutionException error) {

src/org/thoughtcrime/securesms/components/emoji/parsing/EmojiPageBitmap.java

@@ -7,14 +7,14 @@ import android.support.annotation.NonNull;
 import android.util.Log;
 
 import org.thoughtcrime.securesms.components.emoji.EmojiPageModel;
-import org.thoughtcrime.securesms.util.BitmapDecodingException;
-import org.thoughtcrime.securesms.util.BitmapUtil;
+import org.thoughtcrime.securesms.mms.GlideApp;
 import org.thoughtcrime.securesms.util.ListenableFutureTask;
 import org.thoughtcrime.securesms.util.Util;
 
 import java.io.IOException;
 import java.lang.ref.SoftReference;
 import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutionException;
 
 public class EmojiPageBitmap {
 
@@ -41,16 +41,14 @@ public class EmojiPageBitmap {
     } else if (task != null) {
       return task;
     } else {
-      Callable<Bitmap> callable = new Callable<Bitmap>() {
-        @Override public Bitmap call() throws Exception {
-          try {
-            Log.w(TAG, "loading page " + model.getSprite());
-            return loadPage();
-          } catch (IOException ioe) {
-            Log.w(TAG, ioe);
-          }
-          return null;
+      Callable<Bitmap> callable = () -> {
+        try {
+          Log.w(TAG, "loading page " + model.getSprite());
+          return loadPage();
+        } catch (IOException ioe) {
+          Log.w(TAG, ioe);
         }
+        return null;
       };
       task = new ListenableFutureTask<>(callable);
       new AsyncTask<Void, Void, Void>() {
@@ -71,13 +69,21 @@ public class EmojiPageBitmap {
     if (bitmapReference != null && bitmapReference.get() != null) return bitmapReference.get();
 
     try {
-      final Bitmap bitmap = BitmapUtil.createScaledBitmap(context,
-                                                          "file:///android_asset/" + model.getSprite(),
-                                                          decodeScale);
-      bitmapReference = new SoftReference<>(bitmap);
+      Bitmap originalBitmap = GlideApp.with(context.getApplicationContext())
+                                      .asBitmap()
+                                      .load("file:///android_asset/" + model.getSprite())
+                                      .submit()
+                                      .get();
+
+      Bitmap scaledBitmap = Bitmap.createScaledBitmap(originalBitmap, (int)(originalBitmap.getWidth() * decodeScale), (int)(originalBitmap.getHeight() * decodeScale), false);
+
+      bitmapReference = new SoftReference<>(scaledBitmap);
       Log.w(TAG, "onPageLoaded(" + model.getSprite() + ")");
-      return bitmap;
-    } catch (BitmapDecodingException e) {
+      return scaledBitmap;
+    } catch (InterruptedException e) {
+      Log.w(TAG, e);
+      throw new IOException(e);
+    } catch (ExecutionException e) {
       Log.w(TAG, e);
       throw new IOException(e);
     }

src/org/thoughtcrime/securesms/util/BitmapUtil.java

@@ -15,6 +15,7 @@ import android.support.annotation.WorkerThread;
 import android.util.Log;
 import android.util.Pair;
 
+import com.bumptech.glide.Glide;
 import com.bumptech.glide.load.resource.bitmap.DownsampleStrategy;
 
 import org.thoughtcrime.securesms.mms.GlideApp;
@@ -108,22 +109,6 @@ public class BitmapUtil {
     }
   }
 
-  @WorkerThread
-  public static <T> Bitmap createScaledBitmap(Context context, T model, float scale)
-      throws BitmapDecodingException
-  {
-    try {
-      return GlideApp.with(context.getApplicationContext())
-                     .asBitmap()
-                     .load(model)
-                     .sizeMultiplier(scale)
-                     .submit()
-                     .get();
-    } catch (InterruptedException | ExecutionException e) {
-      throw new BitmapDecodingException(e);
-    }
-  }
-
   private static BitmapFactory.Options getImageDimensions(InputStream inputStream)
       throws BitmapDecodingException
   {