我的装扮完成

xplan-ios/Base/Tool/SpriteSheetManager/SpriteSheetImageManager.m

@@ -0,0 +1,156 @@
+//
+//  SpriteSheetImageManager.m
+//  XChat
+//
+//  Created by Macx on 2018/5/11.
+//  Copyright © 2018年 XC. All rights reserved.
+//
+
+#import "SpriteSheetImageManager.h"
+#import <SDWebImage/SDWebImageDownloader.h>
+#import <UIImageView+WebCache.h>
+#import "YYUtility.h"
+#import "XPMacro.h"
+#import "GCDHelper.h"
+static NSInteger retryCount = 3;
+static CGFloat kdeafultFrameDurations = 0.2;
+
+@interface SpriteSheetImageManager()
+@property (nonatomic,strong) YYSpriteSheetImage *sprite;
+@property (nonatomic,strong) NSMutableDictionary *parserQueue;
+@property (nonatomic,strong) NSMutableDictionary *retryCache;
+@property (nonatomic, strong) UIImageView  *operationImageView;//
+@end
+
+@implementation SpriteSheetImageManager
+
+- (void)loadSpriteSheetImageWithURL:(NSURL *_Nullable)url
+                    completionBlock:(void ( ^ _Nonnull )(YYSpriteSheetImage * _Nullable sprit))completionBlock
+                       failureBlock:(void ( ^ _Nullable)(NSError * _Nullable error))failureBlock {
+	if (!url) {
+		return;
+	}
+	@kWeakify(self);
+	NSString *key = [self cacheURL:url];
+	
+	[self.operationImageView sd_setImageWithURL:url completed:^(UIImage * _Nullable image, NSError * _Nullable error, SDImageCacheType cacheType, NSURL * _Nullable imageURL) {
+		@kStrongify(self);
+		if (error) {
+			
+			if (error) {
+				if (![self.retryCache objectForKey:key]) {
+					[self.retryCache setObject:@(0) forKey:key];
+				}
+				[self.retryCache setObject:@([[self.retryCache objectForKey:key] integerValue] + 1) forKey:key];
+				if ([[self.retryCache objectForKey:key] integerValue] < retryCount) {
+					[self retryWithKey:key completionBlock:^(YYSpriteSheetImage * _Nullable sprit) {
+						completionBlock(sprit);
+						
+					} failureBlock:^(NSError * _Nullable error) {
+						failureBlock(error);
+						
+					}];
+				}
+			}
+			return ;
+		}
+		
+		YYSpriteSheetImage *sheetImage = [SpriteSheetImageManager createSpriteSheet:image frameDurations:kdeafultFrameDurations];
+		
+		dispatch_main_sync_safe(^{
+			if (sheetImage) {
+				completionBlock(sheetImage);
+				[self removeCacheWithKey:key];
+				[self.retryCache removeObjectForKey:key];
+				completionBlock(sheetImage);
+			}
+		});
+		
+	}];
+	
+}
+
+
+
+
+- (void)retryWithKey:(NSString *)key
+     completionBlock:(void (^)(YYSpriteSheetImage * _Nullable))completionBlock
+        failureBlock:(void (^)(NSError * _Nullable))failureBlock  {
+    if (key) {
+        NSURL *url = [self.parserQueue objectForKey:key];
+        [self loadSpriteSheetImageWithURL:url completionBlock:^(YYSpriteSheetImage * _Nullable sprit) {
+            completionBlock(sprit);
+        } failureBlock:^(NSError * _Nullable error) {
+
+        }];
+    }
+}
+
+/**
+ * 这里与UI 协定 一张横向长图 每个帧 都是通过高度 来获取 正方形
+ * frameDurations 帧长
+ **/
+
++ (YYSpriteSheetImage *_Nullable)createSpriteSheet:(UIImage *_Nullable)image frameDurations:(CGFloat)frameDurations {
+    NSMutableArray *contentRects = [NSMutableArray new];
+    NSMutableArray *durations = [NSMutableArray new];
+    
+    CGFloat imageHeight = image.size.height;
+    NSInteger spriteCount =  image.size.width/imageHeight;
+    
+    for (int i = 0; i < spriteCount; i++) {
+        CGRect rect;
+        rect.size = CGSizeMake(imageHeight, imageHeight);
+        rect.origin.x = imageHeight * i;
+        rect.origin.y = 0;
+        [contentRects addObject:[NSValue valueWithCGRect:rect]];
+        if (!frameDurations) {
+            frameDurations = kdeafultFrameDurations;
+        }
+        [durations addObject:@(frameDurations)];
+    }
+    YYSpriteSheetImage *sheetImage = [[YYSpriteSheetImage alloc] initWithSpriteSheetImage:image contentRects:contentRects frameDurations:durations loopCount:0];
+    return sheetImage;
+}
+
+
+
+- (NSString *)cacheURL:(NSURL *)url {
+    NSString *key = [self getUUid];
+    [self.parserQueue setObject:url forKey:key];
+    return key;
+}
+
+- (void)removeCacheWithKey:(NSString *)key {
+    [self.parserQueue removeObjectForKey:key];
+}
+
+- (NSString *)getUUid {
+    return [UIDevice currentDevice].identifierForVendor.UUIDString;
+}
+
+
+
+- (NSMutableDictionary *)parserQueue {
+    if (_parserQueue == nil) {
+        _parserQueue = [NSMutableDictionary dictionary];
+    }
+    return _parserQueue;
+}
+
+- (NSMutableDictionary *)retryCache {
+    if (_retryCache == nil) {
+        _retryCache = [NSMutableDictionary dictionary];
+    }
+    return _retryCache;
+}
+
+
+- (UIImageView *)operationImageView {
+    if (!_operationImageView) {
+        _operationImageView = [[UIImageView alloc] init];
+    }
+    return _operationImageView;
+}
+
+@end