Flutter iOS Embedder
PlatformViewFilter Class Reference

#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 78 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 95 of file FlutterPlatformViews_Internal.mm.

95  :(CGRect)frame
96  blurRadius:(CGFloat)blurRadius
97  visualEffectView:(UIVisualEffectView*)visualEffectView {
98  if (self = [super init]) {
99  _frame = frame;
100  _blurRadius = blurRadius;
101  [PlatformViewFilter prepareOnce:visualEffectView];
102  if (![PlatformViewFilter isUIVisualEffectViewImplementationValid]) {
103  FML_DLOG(ERROR) << "Apple's API for UIVisualEffectView changed. Update the implementation to "
104  "access the gaussianBlur CAFilter.";
105  [self release];
106  return nil;
107  }
108  _backdropFilterView = [visualEffectView retain];
109  _backdropFilterViewConfigured = NO;
110  }
111  return self;
112 }

References blurRadius, and frame.

◆ NS_UNAVAILABLE

- (instancetype) NS_UNAVAILABLE

◆ resetPreparation

+ (void) resetPreparation

Definition at line 114 of file FlutterPlatformViews_Internal.mm.

114  {
115  _preparedOnce = NO;
116  [_gaussianBlurFilter release];
117  _gaussianBlurFilter = nil;
120 }

References _gaussianBlurFilter, _indexOfBackdropView, _indexOfVisualEffectSubview, and _preparedOnce.

Property Documentation

◆ backdropFilterView

- (UIVisualEffectView *) backdropFilterView
readnonatomicretain

◆ blurRadius

- (CGFloat) blurRadius
readnonatomicassign

◆ frame

- (CGRect) frame
readnonatomicassign

The documentation for this class was generated from the following files:
_gaussianBlurFilter
static NSObject * _gaussianBlurFilter
Definition: FlutterPlatformViews_Internal.mm:88
PlatformViewFilter::frame
CGRect frame
Definition: FlutterPlatformViews_Internal.h:82
_indexOfVisualEffectSubview
static NSInteger _indexOfVisualEffectSubview
Definition: FlutterPlatformViews_Internal.mm:92
_preparedOnce
static BOOL _preparedOnce
Definition: FlutterPlatformViews_Internal.mm:93
PlatformViewFilter::blurRadius
CGFloat blurRadius
Definition: FlutterPlatformViews_Internal.h:87
_indexOfBackdropView
static NSInteger _indexOfBackdropView
Definition: FlutterPlatformViews_Internal.mm:90
PlatformViewFilter
Definition: FlutterPlatformViews_Internal.h:78