1 files changed, 41 insertions, 0 deletions
diff --git a/platform/macos/src/MGLAnnotationImage.m b/platform/macos/src/MGLAnnotationImage.m
index 1b545651d2..f9f900344a 100644
--- a/platform/macos/src/MGLAnnotationImage.m
+++ b/platform/macos/src/MGLAnnotationImage.m
@@ -23,4 +23,45 @@
     return self;
 }
 
++ (BOOL)supportsSecureCoding {
+    return YES;
+}
+
+- (instancetype)initWithCoder:(NSCoder *)decoder {
+    if (self = [super init]) {
+        _image = [decoder decodeObjectOfClass:[NSImage class] forKey:@"image"];
+        _reuseIdentifier = [decoder decodeObjectOfClass:[NSString class] forKey:@"reuseIdentifier"];
+        _cursor = [decoder decodeObjectOfClass:[NSCursor class] forKey:@"cursor"];
+        _selectable = [decoder decodeBoolForKey:@"selectable"];
+    }
+    return self;
+}
+
+- (void)encodeWithCoder:(NSCoder *)coder {
+    [coder encodeObject:_image forKey:@"image"];
+    [coder encodeObject:_reuseIdentifier forKey:@"reuseIdentifier"];
+    [coder encodeObject:_cursor forKey:@"cursor"];
+    [coder encodeBool:_selectable forKey:@"selectable"];
+}
+
+- (BOOL)isEqual:(id)other {
+    if (self == other) return YES;
+    if (![other isKindOfClass:[MGLAnnotationImage class]]) return NO;
+    
+    MGLAnnotationImage *otherAnnotationImage = other;
+    
+    return ((!_reuseIdentifier && !otherAnnotationImage.reuseIdentifier) || [_reuseIdentifier isEqualToString:otherAnnotationImage.reuseIdentifier])
+    && _selectable == otherAnnotationImage.selectable
+    && ((!_cursor && !otherAnnotationImage.cursor) || [_cursor isEqual:otherAnnotationImage.cursor])
+    && ((!_image && !otherAnnotationImage.image) || [[_image TIFFRepresentation] isEqualToData:[otherAnnotationImage.image TIFFRepresentation]]);
+}
+
+- (NSUInteger)hash {
+    NSUInteger hash;
+    hash += [_reuseIdentifier hash];
+    hash += _selectable;
+    hash += [_image hash];
+    return hash;
+}
+
 @end