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Add SDImageFormatHEIF represent mif1 && msf1 brands 

Fix the current hard-coded system version checking with Image/IO source uttypes checking
This commit is contained in:
DreamPiggy 2018-08-06 17:53:24 +08:00
parent 676a4b53b7
commit 7ddb75710c
4 changed files with 59 additions and 22 deletions
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1
Examples/SDWebImage Demo/MasterViewController.m
View File

@ -68,6 +68,7 @@
@"http://littlesvr.ca/apng/images/SteamEngine.webp",
@"http://littlesvr.ca/apng/images/world-cup-2014-42.webp",
@"https://isparta.github.io/compare-webp/image/gif_webp/webp/2.webp",
@"https://nokiatech.github.io/heif/content/images/ski_jump_1440x960.heic",
@"https://nr-platform.s3.amazonaws.com/uploads/platform/published_extension/branding_icon/275/AmazonS3.png",
@"http://via.placeholder.com/200x200.jpg",
nil];

3
SDWebImage/NSData+ImageContentType.h
View File

@ -17,7 +17,8 @@ typedef NS_ENUM(NSInteger, SDImageFormat) {
SDImageFormatGIF,
SDImageFormatTIFF,
SDImageFormatWebP,
SDImageFormatHEIC
SDImageFormatHEIC,
SDImageFormatHEIF
};
@interface NSData (ImageContentType)

11
SDWebImage/NSData+ImageContentType.m
View File

@ -16,8 +16,9 @@
// Currently Image/IO does not support WebP
#define kSDUTTypeWebP ((__bridge CFStringRef)@"public.webp")
// AVFileTypeHEIC is defined in AVFoundation via iOS 11, we use this without import AVFoundation
// AVFileTypeHEIC/AVFileTypeHEIF is defined in AVFoundation via iOS 11, we use this without import AVFoundation
#define kSDUTTypeHEIC ((__bridge CFStringRef)@"public.heic")
#define kSDUTTypeHEIF ((__bridge CFStringRef)@"public.heif")
@implementation NSData (ImageContentType)
@ -59,6 +60,9 @@
|| [testString isEqualToString:@"ftyphevx"]) {
return SDImageFormatHEIC;
}
if ([testString isEqualToString:@"ftypmif1"] || [testString isEqualToString:@"ftypmsf1"]) {
return SDImageFormatHEIF;
}
}
break;
}
@ -87,6 +91,9 @@
case SDImageFormatHEIC:
UTType = kSDUTTypeHEIC;
break;
case SDImageFormatHEIF:
UTType = kSDUTTypeHEIF;
break;
default:
// default is kUTTypePNG
UTType = kUTTypePNG;
@ -112,6 +119,8 @@
imageFormat = SDImageFormatWebP;
} else if (CFStringCompare(uttype, kSDUTTypeHEIC, 0) == kCFCompareEqualTo) {
imageFormat = SDImageFormatHEIC;
} else if (CFStringCompare(uttype, kSDUTTypeHEIF, 0) == kCFCompareEqualTo) {
imageFormat = SDImageFormatHEIF;
} else {
imageFormat = SDImageFormatUndefined;
}

66
SDWebImage/SDWebImageImageIOCoder.m
View File

@ -74,6 +74,9 @@ static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to over
case SDImageFormatHEIC:
// Check HEIC decoding compatibility
return [[self class] canDecodeFromHEICFormat];
case SDImageFormatHEIF:
// Check HEIF decoding compatibility
return [[self class] canDecodeFromHEIFFormat];
default:
return YES;
}
@ -87,6 +90,9 @@ static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to over
case SDImageFormatHEIC:
// Check HEIC decoding compatibility
return [[self class] canDecodeFromHEICFormat];
case SDImageFormatHEIF:
// Check HEIF decoding compatibility
return [[self class] canDecodeFromHEIFFormat];
default:
return YES;
}
@ -372,6 +378,9 @@ static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to over
case SDImageFormatHEIC:
// Check HEIC encoding compatibility
return [[self class] canEncodeToHEICFormat];
case SDImageFormatHEIF:
// Check HEIF encoding compatibility
return [[self class] canEncodeToHEIFFormat];
default:
return YES;
}
@ -440,28 +449,24 @@ static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to over
static BOOL canDecode = NO;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunguarded-availability"
#if TARGET_OS_SIMULATOR || SD_WATCH
canDecode = NO;
#elif SD_MAC
NSProcessInfo *processInfo = [NSProcessInfo processInfo];
if ([processInfo respondsToSelector:@selector(operatingSystemVersion)]) {
// macOS 10.13+
canDecode = processInfo.operatingSystemVersion.minorVersion >= 13;
} else {
canDecode = NO;
CFStringRef imageUTType = [NSData sd_UTTypeFromSDImageFormat:SDImageFormatHEIC];
NSArray *imageUTTypes = (__bridge_transfer NSArray *)CGImageSourceCopyTypeIdentifiers();
if ([imageUTTypes containsObject:(__bridge NSString *)(imageUTType)]) {
canDecode = YES;
}
#elif SD_UIKIT
NSProcessInfo *processInfo = [NSProcessInfo processInfo];
if ([processInfo respondsToSelector:@selector(operatingSystemVersion)]) {
// iOS 11+ && tvOS 11+
canDecode = processInfo.operatingSystemVersion.majorVersion >= 11;
} else {
canDecode = NO;
});
return canDecode;
}
+ (BOOL)canDecodeFromHEIFFormat {
static BOOL canDecode = NO;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
CFStringRef imageUTType = [NSData sd_UTTypeFromSDImageFormat:SDImageFormatHEIF];
NSArray *imageUTTypes = (__bridge_transfer NSArray *)CGImageSourceCopyTypeIdentifiers();
if ([imageUTTypes containsObject:(__bridge NSString *)(imageUTType)]) {
canDecode = YES;
}
#endif
#pragma clang diagnostic pop
});
return canDecode;
}
@ -487,6 +492,27 @@ static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to over
return canEncode;
}
+ (BOOL)canEncodeToHEIFFormat {
static BOOL canEncode = NO;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
NSMutableData *imageData = [NSMutableData data];
CFStringRef imageUTType = [NSData sd_UTTypeFromSDImageFormat:SDImageFormatHEIF];
// Create an image destination.
CGImageDestinationRef imageDestination = CGImageDestinationCreateWithData((__bridge CFMutableDataRef)imageData, imageUTType, 1, NULL);
if (!imageDestination) {
// Can't encode to HEIF
canEncode = NO;
} else {
// Can encode to HEIF
CFRelease(imageDestination);
canEncode = YES;
}
});
return canEncode;
}
#if SD_UIKIT || SD_WATCH
+ (BOOL)shouldScaleDownImage:(nonnull UIImage *)image {
BOOL shouldScaleDown = YES;