o Bugfix: adjustTilesForRetinaDisplay didn't work anymore

@@ -94,7 +94,7 @@
 
     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
 
-    if (zoom == (short)ceilf(mapView.zoom))
+    if (zoom == (short)ceilf(mapView.adjustedZoomForRetinaDisplay))
     {
         int x = floor(rect.origin.x / rect.size.width),
             y = floor(fabs(rect.origin.y / rect.size.height));
@@ -110,7 +110,7 @@
     }
     else // Probably due to renderInContext:
     {
-        zoom = (short)ceilf(mapView.zoom);
+        zoom = (short)ceilf(mapView.adjustedZoomForRetinaDisplay);
         CGFloat rectSize = bounds.size.width / powf(2.0, (float)zoom);
 
         int x1 = floor(rect.origin.x / rectSize),

@@ -115,7 +115,8 @@ typedef enum {
 @property (nonatomic, readonly) float screenScale;
 @property (nonatomic, assign)   NSUInteger boundingMask;
 
-@property (nonatomic, assign) BOOL adjustTilesForRetinaDisplay;
+@property (nonatomic, assign)   BOOL adjustTilesForRetinaDisplay;
+@property (nonatomic, readonly) float adjustedZoomForRetinaDisplay; // takes adjustTilesForRetinaDisplay and screen scale into account
 
 @property (nonatomic, assign) float zoom; /// zoom level is clamped to range (minZoom, maxZoom)
 @property (nonatomic, assign) float minZoom;

@@ -136,11 +136,7 @@
     tiledLayerView = nil;
     overlayView = nil;
 
-    screenScale = 1.0;
-    if ([[UIScreen mainScreen] respondsToSelector:@selector(scale)])
-    {
-        screenScale = [[[UIScreen mainScreen] valueForKey:@"scale"] floatValue];
-    }
+    screenScale = [UIScreen mainScreen].scale;
 
     boundingMask = RMMapMinWidthBound;
     adjustTilesForRetinaDisplay = NO;
@@ -1404,6 +1400,14 @@
     [self setCenterCoordinate:self.centerCoordinate animated:NO];
 }
 
+- (float)adjustedZoomForRetinaDisplay
+{
+    if (!self.adjustTilesForRetinaDisplay && screenScale > 1.0)
+        return [self zoom] + 1.0;
+
+    return [self zoom];
+}
+
 - (RMProjection *)projection
 {
     return [[projection retain] autorelease];

@@ -15,32 +15,33 @@
 
 - (void)viewDidLoad
 {
-	NSLog(@"viewDidLoad");
+    NSLog(@"viewDidLoad");
     [super viewDidLoad];
 
-	CLLocationCoordinate2D firstLocation;
-	firstLocation.latitude = 51.2795;
-	firstLocation.longitude = 1.082;
+    CLLocationCoordinate2D firstLocation;
+    firstLocation.latitude = 51.2795;
+    firstLocation.longitude = 1.082;
 
-	self.mapView = [[[RMMapView alloc] initWithFrame:CGRectMake(10, 20, 300, 340)] autorelease];
-	[mapView setBackgroundColor:[UIColor greenColor]];
-	[[self view] addSubview:mapView];
-	[[self view] sendSubviewToBack:mapView];
+    self.mapView = [[[RMMapView alloc] initWithFrame:CGRectMake(10, 20, 300, 340)] autorelease];
+    self.mapView.adjustTilesForRetinaDisplay = NO;
+    [self.mapView setBackgroundColor:[UIColor greenColor]];
+    [[self view] addSubview:mapView];
+    [[self view] sendSubviewToBack:mapView];
 }
 
 - (void)dealloc
 {
     [mapView removeFromSuperview];
-	self.mapView = nil;
-	[super dealloc];
+    self.mapView = nil;
+    [super dealloc];
 }
 
 - (IBAction)doTheTest:(id)sender
 {
-	CLLocationCoordinate2D secondLocation;
-	secondLocation.latitude = -43.63;
-	secondLocation.longitude = 172.66;
-	[self.mapView setCenterCoordinate:secondLocation];
+    CLLocationCoordinate2D secondLocation;
+    secondLocation.latitude = -43.50;
+    secondLocation.longitude = 172.56;
+    [self.mapView setCenterCoordinate:secondLocation];
 }
 
 - (IBAction)takeSnapshot:(id)sender