#import <FlutterPlatformViews_Internal.h>

Inheritance diagram for PlatformViewFilter:

Instance Methods
(instancetype)	- NS_UNAVAILABLE

(instancetype)	- initWithFrame:blurRadius:visualEffectView:

Class Methods
(void)	+ resetPreparation

Properties
CGRect	frame

CGFloat	blurRadius

UIVisualEffectView *	backdropFilterView

Detailed Description

Definition at line 84 of file FlutterPlatformViews_Internal.h.

Method Documentation

◆ initWithFrame:blurRadius:visualEffectView:

- (instancetype) initWithFrame:	(CGRect)	frame
blurRadius:	(CGFloat)	blurRadius
visualEffectView:	(UIVisualEffectView*)	NS_DESIGNATED_INITIALIZER

Definition at line 60 of file FlutterPlatformViews_Internal.mm.

                              :(CGRect)frame
                    blurRadius:(CGFloat)blurRadius
              visualEffectView:(UIVisualEffectView*)visualEffectView {
   if (self = [super init]) {
     _frame = frame;
     _blurRadius = blurRadius;
     [PlatformViewFilter prepareOnce:visualEffectView];
     if (![PlatformViewFilter isUIVisualEffectViewImplementationValid]) {
       FML_DLOG(ERROR) << "Apple's API for UIVisualEffectView changed. Update the implementation to "
                          "access the gaussianBlur CAFilter.";
       return nil;
     }
     _backdropFilterView = visualEffectView;
     _backdropFilterViewConfigured = NO;
   }
   return self;
 }

References blurRadius, and frame.

◆ NS_UNAVAILABLE

- (instancetype) NS_UNAVAILABLE

◆ resetPreparation

+ (void) resetPreparation

Definition at line 78 of file FlutterPlatformViews_Internal.mm.

                          {
   _preparedOnce = NO;
   _gaussianBlurFilter = nil;
   _indexOfBackdropView = -1;
   _indexOfVisualEffectSubview = -1;
 }