mosaic effect

app/src/main/java/ru/vtosters/lite/ui/wallpapers/WallpaperMenuFragment.java

@@ -1,5 +1,6 @@
 package ru.vtosters.lite.ui.wallpapers;
 import static ru.vtosters.lite.ui.wallpapers.WallpapersHooks.getDimmingSummary;
+import static ru.vtosters.lite.ui.wallpapers.WallpapersHooks.getMosaicSummary;
 import static ru.vtosters.lite.ui.wallpapers.WallpapersHooks.getRadiusSummary;
 import static ru.vtosters.lite.ui.wallpapers.WallpapersHooks.getWallpaperFile;
 import static ru.vtosters.lite.ui.wallpapers.WallpapersHooks.removeWallpaper;
@@ -86,11 +87,19 @@ public class WallpaperMenuFragment extends MaterialPreferenceToolbarFragment{
                 "off", "dim_black", "dim_white"
         });
 
+        PreferencesUtil.addListPreference(this, "msg_mosaic", "disabled", "Мозаика", new CharSequence[] {
+                "Отключено", "Низкое", "Среднее", "Высокое"
+        }, new String[] {
+                "disabled", "low", "med", "high"
+        });
+
         ListPreference blur = (ListPreference) findPreference("msg_blur_radius");
         ListPreference dim = (ListPreference) findPreference("msg_dim");
+        ListPreference mosaic = (ListPreference) findPreference("msg_mosaic");
 
         blur.setSummary(getRadiusSummary());
         dim.setSummary(getDimmingSummary());
+        mosaic.setSummary(getMosaicSummary());
 
         blur.setOnPreferenceChangeListener((preference, o) -> {
             edit().putString("msg_blur_radius", (String) o).apply();
@@ -107,6 +116,14 @@ public class WallpaperMenuFragment extends MaterialPreferenceToolbarFragment{
             mWPPreviewPref.redraw();
             return true;
         });
+
+        mosaic.setOnPreferenceChangeListener((preference, o) -> {
+            edit().putString("msg_mosaic", (String) o).apply();
+            preference.setSummary(getMosaicSummary());
+            requestUpdateWallpaper();
+            mWPPreviewPref.redraw();
+            return true;
+        });
     }
 
     @Override

app/src/main/java/ru/vtosters/lite/ui/wallpapers/WallpapersHooks.java

@@ -57,6 +57,10 @@ public class WallpapersHooks{
                 mWallpaper = getDimmed(mWallpaper);
             }
 
+            if (!getPreferences().getString("msg_mosaic", "disabled").equals("disabled")) {
+                mWallpaper = getMosaic(mWallpaper);
+            }
+
             mUpdateWallpaperRequested = false;
         }
 
@@ -82,28 +86,40 @@ public class WallpapersHooks{
     public static String getRadiusSummary(){
         String radius = getPreferences().getString("msg_blur_radius", "disabled");
         switch(radius) {
-            case "disabled":
-                return "Отключено";
             case "low":
                 return "Низкое";
             case "med":
                 return "Среднее";
-            default:
+            case "high":
                 return "Высокое";
+            default:
+                return "Отключено";
         }
     }
 
     public static String getDimmingSummary(){
         String radius = getPreferences().getString("msg_dim", "disabled");
         switch(radius) {
-            case "off":
-                return "Отключено";
             case "dim_black":
                 return "Затемнить";
             case "dim_white":
                 return "Осветлить";
             default:
-                return "OwO";
+                return "Отключено";
+        }
+    }
+
+    public static String getMosaicSummary(){
+        String radius = getPreferences().getString("msg_mosaic", "disabled");
+        switch(radius) {
+            case "low":
+                return "Низкое";
+            case "med":
+                return "Среднее";
+            case "high":
+                return "Высокое";
+            default:
+                return "Отключено";
         }
     }
 
@@ -120,6 +136,31 @@ public class WallpapersHooks{
         }
     }
 
+    public static Drawable getMosaic(Drawable orig){
+        int scale = 100;
+
+        if (orig == null) return null;
+        if (!(orig instanceof BitmapDrawable)) return orig;
+        Bitmap instance = ((BitmapDrawable) orig).getBitmap().copy(Bitmap.Config.ARGB_8888, true);
+        String radius = getPreferences().getString("msg_mosaic", "disabled");
+
+        switch(radius) {
+            case "high":
+                scale = 25;
+                break;
+            case "med":
+                scale = 50;
+                break;
+            case "low":
+                scale = 75;
+        }
+
+        Bitmap temp = Bitmap.createScaledBitmap(instance, scale, scale, false);
+        Bitmap mosaicBitmap = Bitmap.createScaledBitmap(temp, instance.getWidth(), instance.getHeight(), false);
+
+        return new BitmapDrawable(getResources(), mosaicBitmap);
+    }
+
     public static Drawable getDimmed(Drawable orig){
         if (orig == null) return null;
         if (!(orig instanceof BitmapDrawable)) return orig;