//
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// NSBundle+YYAdd.m
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// YYCategories <https://github.com/ibireme/YYCategories>
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//
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// Created by ibireme on 14/10/20.
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// Copyright (c) 2015 ibireme.
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//
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// This source code is licensed under the MIT-style license found in the
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// LICENSE file in the root directory of this source tree.
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//
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#import "NSBundle+YYAdd.h"
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#import "NSString+YYAdd.h"
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#import "YYCategoriesMacro.h"
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YYSYNTH_DUMMY_CLASS(NSBundle_YYAdd)
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@implementation NSBundle (YYAdd)
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+ (NSArray *)preferredScales {
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static NSArray *scales;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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CGFloat screenScale = [UIScreen mainScreen].scale;
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if (screenScale <= 1) {
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scales = @[@1,@2,@3];
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} else if (screenScale <= 2) {
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scales = @[@2,@3,@1];
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} else {
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scales = @[@3,@2,@1];
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}
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});
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return scales;
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}
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+ (NSString *)pathForScaledResource:(NSString *)name ofType:(NSString *)ext inDirectory:(NSString *)bundlePath {
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if (name.length == 0) return nil;
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if ([name hasSuffix:@"/"]) return [self pathForResource:name ofType:ext inDirectory:bundlePath];
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NSString *path = nil;
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NSArray *scales = [self preferredScales];
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for (int s = 0; s < scales.count; s++) {
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CGFloat scale = ((NSNumber *)scales[s]).floatValue;
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NSString *scaledName = ext.length ? [name stringByAppendingNameScale:scale]
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: [name stringByAppendingPathScale:scale];
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path = [self pathForResource:scaledName ofType:ext inDirectory:bundlePath];
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if (path) break;
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}
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return path;
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}
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- (NSString *)pathForScaledResource:(NSString *)name ofType:(NSString *)ext {
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if (name.length == 0) return nil;
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if ([name hasSuffix:@"/"]) return [self pathForResource:name ofType:ext];
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NSString *path = nil;
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NSArray *scales = [NSBundle preferredScales];
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for (int s = 0; s < scales.count; s++) {
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CGFloat scale = ((NSNumber *)scales[s]).floatValue;
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NSString *scaledName = ext.length ? [name stringByAppendingNameScale:scale]
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: [name stringByAppendingPathScale:scale];
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path = [self pathForResource:scaledName ofType:ext];
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if (path) break;
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}
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return path;
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}
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- (NSString *)pathForScaledResource:(NSString *)name ofType:(NSString *)ext inDirectory:(NSString *)subpath {
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if (name.length == 0) return nil;
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if ([name hasSuffix:@"/"]) return [self pathForResource:name ofType:ext];
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NSString *path = nil;
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NSArray *scales = [NSBundle preferredScales];
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for (int s = 0; s < scales.count; s++) {
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CGFloat scale = ((NSNumber *)scales[s]).floatValue;
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NSString *scaledName = ext.length ? [name stringByAppendingNameScale:scale]
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: [name stringByAppendingPathScale:scale];
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path = [self pathForResource:scaledName ofType:ext inDirectory:subpath];
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if (path) break;
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}
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return path;
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}
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@end
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