+ Vastly improved blur Annotation.

Classes/BITBlurImageAnnotation.m

@@ -35,23 +35,30 @@
   UIGraphicsBeginImageContext(size);
   [sourceImage drawInRect:CGRectMake(0, 0, size.width, size.height)];
   self.scaledImage = UIGraphicsGetImageFromCurrentImageContext();
+  self.imageLayer.shouldRasterize = YES;
+  self.imageLayer.rasterizationScale = 1;
+  self.imageLayer.magnificationFilter = kCAFilterNearest;
   self.imageLayer.contents = (id)self.scaledImage.CGImage;
+  
+  
+  
   UIGraphicsEndImageContext();
 }
 
 - (void)layoutSubviews {
   [super layoutSubviews];
+  
+  [CATransaction begin];
+  [CATransaction setValue:(id)kCFBooleanTrue forKey:kCATransactionDisableActions];
+  
   self.imageLayer.frame = self.imageFrame;
   self.imageLayer.masksToBounds = YES;
+  
+  [CATransaction commit];
 }
 
-/*
-// Only override drawRect: if you perform custom drawing.
-// An empty implementation adversely affects performance during animation.
-- (void)drawRect:(CGRect)rect
-{
-    // Drawing code
+-(BOOL)resizable {
+  return YES;
 }
-*/
 
 @end

Classes/BITImageAnnotationViewController.m

@@ -162,6 +162,8 @@
       self.currentAnnotation.frame = CGRectMake(self.panStart.x, self.panStart.y, bla.x - self.panStart.x, bla.y - self.panStart.y);
       self.currentAnnotation.movedDelta = CGSizeMake(bla.x - self.panStart.x, bla.y - self.panStart.y);
       self.currentAnnotation.imageFrame = [self.view convertRect:self.imageView.frame toView:self.currentAnnotation];
+      [self.currentAnnotation setNeedsLayout];
+      [self.currentAnnotation layoutIfNeeded];
     } else {
       self.currentAnnotation = nil;
       self.isDrawing = NO;
@@ -183,6 +185,8 @@
       self.currentAnnotation.frame = annotationFrame;
       self.currentAnnotation.imageFrame = [self.view convertRect:self.imageView.frame toView:self.currentAnnotation];
 
+      [self.currentAnnotation setNeedsLayout];
+      [self.currentAnnotation layoutIfNeeded];
       
       [gestureRecognizer setTranslation:CGPointZero inView:self.view];