clear NSImage cache after screen resolution change

onflapp · Dec 30, 2023 · 2b6a26b · 2b6a26b
1 parent 3f9b3b7
commit 2b6a26b
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/Source/NSImage.m b/Source/NSImage.m
@@ -418,6 +418,7 @@ - (void) dealloc
 @interface NSImage (Private)
 + (void) _clearFileTypeCaches: (NSNotification*)notif;
 + (void) _reloadCachedImages;
+- (void) _clearRepCaches: (NSNotification*)notif;
 - (BOOL) _useFromFile: (NSString *)fileName;
 - (BOOL) _loadFromData: (NSData *)data;
 - (BOOL) _loadFromFile: (NSString *)fileName;
@@ -456,6 +457,7 @@ + (void) initialize
 	   selector: @selector(_clearFileTypeCaches:)
 	       name: NSImageRepRegistryChangedNotification
 	     object: [NSImageRep class]];
+
       [imageLock unlock];
     }
 }
@@ -535,6 +537,12 @@ - (id) initWithSize: (NSSize)aSize
   ASSIGN(_color, clearColor);
   _cacheMode = NSImageCacheDefault;
 
+  [[NSNotificationCenter defaultCenter]
+    addObserver:self
+       selector:@selector(_clearRepCaches:)
+           name:NSApplicationDidChangeScreenParametersNotification
+         object:nil];
+
   return self;
 }
 
@@ -670,6 +678,7 @@ - (id) initWithPasteboard: (NSPasteboard *)pasteboard
 
 - (void) dealloc
 {
+  [[NSNotificationCenter defaultCenter] removeObserver: self];
   if (_name == nil)
     {
       RELEASE(_reps);
@@ -2280,6 +2289,11 @@ + (NSString *) _resourceNameForImageNamed: (NSString *)aName
   return name;
 }
 
+- (void) _clearRepCaches: (NSNotification*)notif
+{
+  NSDebugLLog(@"NSImage", @"Screen size has changed");
+  [self recache];
+}
 - (BOOL) _loadFromData: (NSData *)data
 {
   BOOL ok;