fix: resolve text clipping and animation lookup issue #1796

Author: xar43

lib/badge_animation/ani_fixed.dart

@@ -1,11 +1,12 @@
+import 'dart:math';
 import 'package:badgemagic/badge_animation/animation_abstract.dart';
 
 class FixedAnimation extends BadgeAnimation {
   @override
   void processAnimation(int badgeHeight, int badgeWidth, int animationIndex,
       List<List<bool>> processGrid, List<List<bool>> canvas) {
     int newWidth = processGrid[0].length;
-    int horizontalOffset = (badgeWidth - newWidth) ~/ 2;
+    int horizontalOffset = max(0, (badgeWidth - newWidth) ~/ 2);
 
     for (int i = 0; i < badgeHeight; i++) {
       for (int j = 0; j < badgeWidth; j++) {

lib/badge_animation/animation_abstract.dart

@@ -1,4 +1,10 @@
 abstract class BadgeAnimation {
   void processAnimation(int badgeHeight, int badgeWidth, int animationIndex,
       List<List<bool>> processGrid, List<List<bool>> canvas);
+
+  @override
+  bool operator ==(Object other) => runtimeType == other.runtimeType;
+
+  @override
+  int get hashCode => runtimeType.hashCode;
 }

lib/providers/animation_badge_provider.dart

@@ -222,7 +222,7 @@ class AnimationBadgeProvider extends ChangeNotifier {
         return animation.key;
       }
     }
-    return 0;
+    return null;
   }
 
   bool isAnimationActive(BadgeAnimation? badgeAnimation) {
@@ -234,7 +234,8 @@ class AnimationBadgeProvider extends ChangeNotifier {
       String message, Converters converters, bool isInverted) async {
     bool isSpecial = isSpecialAnimationSelected();
     if (message.isEmpty && !isSpecial) {
-      stopAllAnimations();
+      _timer?.cancel();
+      _animationIndex = 0;
       List<List<bool>> emptyGrid =
           List.generate(11, (i) => List.generate(44, (j) => false));
       _newGrid = emptyGrid;