PlatformViewFilter Class Reference

#include <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 86 of file FlutterPlatformViews.mm.

Method Documentation

initWithFrame:blurRadius:visualEffectView:

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

Definition at line 93 of file FlutterPlatformViews.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, FML_DLOG, frame, and self.

NS_UNAVAILABLE

- (instancetype) NS_UNAVAILABLE

resetPreparation

+ (void) resetPreparation

Definition at line 93 of file FlutterPlatformViews.mm.

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

Property Documentation

backdropFilterView

- (UIVisualEffectView *) backdropFilterView

readnonatomicassign

Definition at line 95 of file FlutterPlatformViews_Internal.h.

blurRadius

- (CGFloat) blurRadius

readnonatomicassign

Definition at line 89 of file FlutterPlatformViews_Internal.h.

Referenced by initWithFrame:blurRadius:visualEffectView:.

frame

- (CGRect) frame

readnonatomicassign

Definition at line 84 of file FlutterPlatformViews_Internal.h.

Referenced by initWithFrame:blurRadius:visualEffectView:.

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The documentation for this class was generated from the following files:

• shell/platform/darwin/ios/framework/Source/FlutterPlatformViews.mm
• shell/platform/darwin/ios/framework/Source/FlutterPlatformViews_Internal.h