112 lines
2.8 KiB
Objective-C
112 lines
2.8 KiB
Objective-C
//
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// HWVisualEffectView.m
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// HWPanModal
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//
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// Created by heath wang on 2019/6/14.
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//
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#import "HWVisualEffectView.h"
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NSString * const kInternalCustomBlurEffect = @"_UICustomBlurEffect";
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NSString * const kHWBlurEffectColorTintKey = @"colorTint";
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NSString * const kHWBlurEffectColorTintAlphaKey = @"colorTintAlpha";
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NSString * const kHWBlurEffectBlurRadiusKey = @"blurRadius";
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NSString * const kHWBlurEffectScaleKey = @"scale";
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@interface HWVisualEffectView ()
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@property (nonatomic, strong) UIVisualEffect *blurEffect;
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@end
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@implementation HWVisualEffectView
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@synthesize colorTint = _colorTint;
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@synthesize colorTintAlpha = _colorTintAlpha;
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@synthesize blurRadius = _blurRadius;
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@synthesize scale = _scale;
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#pragma mark - init
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- (instancetype)initWithEffect:(UIVisualEffect *)effect {
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self = [super initWithEffect:effect];
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if (self) {
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self.scale = 1;
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}
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return self;
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}
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#pragma mark - public method
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- (void)updateBlurEffect:(UIVisualEffect *)effect {
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self.blurEffect = effect;
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self.effect = self.blurEffect;
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}
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#pragma mark - private method
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- (nullable id)__valueForKey:(NSString *)key {
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if (![NSStringFromClass(self.blurEffect.class) isEqualToString:kInternalCustomBlurEffect]) {
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return @(0);
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}
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return [self.blurEffect valueForKey:key];
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}
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- (void)__setValue:(id)value forKey:(NSString *)key {
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if (![NSStringFromClass(self.blurEffect.class) isEqualToString:kInternalCustomBlurEffect]) {
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self.effect = self.blurEffect;
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return;
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}
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[self.blurEffect setValue:value forKey:key];
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self.effect = self.blurEffect;
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}
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#pragma mark - Getter & Setter
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- (UIVisualEffect *)blurEffect {
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if (!_blurEffect) {
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if (NSClassFromString(kInternalCustomBlurEffect)) {
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_blurEffect = (UIBlurEffect *)[NSClassFromString(@"_UICustomBlurEffect") new];
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} else {
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_blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleLight];
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}
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}
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return _blurEffect;
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}
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- (UIColor *)colorTint {
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return [self __valueForKey:kHWBlurEffectColorTintKey];
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}
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- (void)setColorTint:(UIColor *)colorTint {
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[self __setValue:colorTint forKey:kHWBlurEffectColorTintKey];
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}
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- (CGFloat)colorTintAlpha {
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return ((NSNumber *)[self __valueForKey:kHWBlurEffectColorTintAlphaKey]).floatValue;
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}
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- (void)setColorTintAlpha:(CGFloat)colorTintAlpha {
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[self __setValue:@(colorTintAlpha) forKey:kHWBlurEffectColorTintAlphaKey];
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}
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- (CGFloat)blurRadius {
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return ((NSNumber *)[self __valueForKey:kHWBlurEffectBlurRadiusKey]).floatValue;
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}
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- (void)setBlurRadius:(CGFloat)blurRadius {
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[self __setValue:@(blurRadius) forKey:kHWBlurEffectBlurRadiusKey];
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}
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- (CGFloat)scale {
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return ((NSNumber *)[self __valueForKey:kHWBlurEffectScaleKey]).floatValue;
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}
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- (void)setScale:(CGFloat)scale {
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[self __setValue:@(scale) forKey:kHWBlurEffectScaleKey];
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}
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@end
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