// // NSData+GIF.m // SDWebImage // // Created by Andy LaVoy on 4/28/13. // Copyright (c) 2013 Dailymotion. All rights reserved. // #import "NSData+GIF.h" @implementation NSData (GIF) - (BOOL)sd_isGIF { BOOL isGIF = NO; uint8_t c; [self getBytes:&c length:1]; switch (c) { case 0x47: // probably a GIF isGIF = YES; break; default: break; } return isGIF; } @end