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Create example data to show failing un-rotation of baked orientation …
…in pixel data
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| // | ||
| // ImageSource.h | ||
| // Example | ||
| // | ||
| // Created by Alex Quinlivan on 16/04/21. | ||
| // Copyright © 2021 Garrett Moon. All rights reserved. | ||
| // | ||
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| #import <Foundation/Foundation.h> | ||
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| NS_ASSUME_NONNULL_BEGIN | ||
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| @protocol ImageSource <NSObject> | ||
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| @property (nonatomic, strong) NSURL *imageURL; | ||
| @property (nonatomic, strong) id dominantColor; | ||
| @property (nonatomic, assign) CGSize imageSize; | ||
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| + (void)fetchImagesForWidth:(CGFloat)width completion:(void (^)(NSArray *images))completion; | ||
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| @end | ||
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| NS_ASSUME_NONNULL_END |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| // | ||
| // Oriented.h | ||
| // Example | ||
| // | ||
| // Created by Alex Quinlivan on 16/04/21. | ||
| // Copyright © 2021 Garrett Moon. All rights reserved. | ||
| // | ||
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| #import <Foundation/Foundation.h> | ||
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| #ifdef __IPHONE_OS_VERSION_MIN_REQUIRED | ||
| #import <UIKit/UIKit.h> | ||
| #else | ||
| #import <Cocoa/Cocoa.h> | ||
| #endif | ||
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| #import "ImageSource.h" | ||
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| NS_ASSUME_NONNULL_BEGIN | ||
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| @interface Oriented : NSObject <ImageSource> | ||
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| @end | ||
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| NS_ASSUME_NONNULL_END |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| // | ||
| // Oriented.m | ||
| // Example | ||
| // | ||
| // Created by Alex Quinlivan on 16/04/21. | ||
| // Copyright © 2021 Garrett Moon. All rights reserved. | ||
| // | ||
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| #import "Oriented.h" | ||
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| #ifdef __MAC_OS_X_VERSION_MIN_REQUIRED | ||
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| @interface NSValue (PINiOSMapping) | ||
| + (NSValue *)valueWithCGSize:(CGSize)size; | ||
| - (CGSize)CGSizeValue; | ||
| @end | ||
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| @implementation NSValue (PINiOSMapping) | ||
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| + (NSValue *)valueWithCGSize:(CGSize)size | ||
| { | ||
| return [self valueWithSize:size]; | ||
| } | ||
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| - (CGSize)CGSizeValue | ||
| { | ||
| return self.sizeValue; | ||
| } | ||
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| @end | ||
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| #endif | ||
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| @implementation Oriented | ||
| @synthesize imageURL; | ||
| @synthesize dominantColor; | ||
| @synthesize imageSize; | ||
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| + (void)fetchImagesForWidth:(CGFloat)width completion:(void (^)(NSArray *images))completion | ||
| { | ||
| NSArray *orientedURLs = @[[NSURL URLWithString:@"https://github.com/AlexQuinlivan/exif-orientation-examples/blob/master/Landscape_0.jpg?raw=true"], | ||
| [NSURL URLWithString:@"https://github.com/AlexQuinlivan/exif-orientation-examples/blob/master/Landscape_1.jpg?raw=true"], | ||
| [NSURL URLWithString:@"https://github.com/AlexQuinlivan/exif-orientation-examples/blob/master/Landscape_2.jpg?raw=true"], | ||
| [NSURL URLWithString:@"https://github.com/AlexQuinlivan/exif-orientation-examples/blob/master/Landscape_3.jpg?raw=true"], | ||
| [NSURL URLWithString:@"https://github.com/AlexQuinlivan/exif-orientation-examples/blob/master/Landscape_4.jpg?raw=true"], | ||
| [NSURL URLWithString:@"https://github.com/AlexQuinlivan/exif-orientation-examples/blob/master/Landscape_5.jpg?raw=true"], | ||
| [NSURL URLWithString:@"https://github.com/AlexQuinlivan/exif-orientation-examples/blob/master/Landscape_6.jpg?raw=true"], | ||
| [NSURL URLWithString:@"https://github.com/AlexQuinlivan/exif-orientation-examples/blob/master/Landscape_7.jpg?raw=true"], | ||
| [NSURL URLWithString:@"https://github.com/AlexQuinlivan/exif-orientation-examples/blob/master/Landscape_8.jpg?raw=true"], | ||
| [NSURL URLWithString:@"https://github.com/AlexQuinlivan/exif-orientation-examples/blob/master/Portrait_0.jpg?raw=true"], | ||
| [NSURL URLWithString:@"https://github.com/AlexQuinlivan/exif-orientation-examples/blob/master/Portrait_1.jpg?raw=true"], | ||
| [NSURL URLWithString:@"https://github.com/AlexQuinlivan/exif-orientation-examples/blob/master/Portrait_2.jpg?raw=true"], | ||
| [NSURL URLWithString:@"https://github.com/AlexQuinlivan/exif-orientation-examples/blob/master/Portrait_3.jpg?raw=true"], | ||
| [NSURL URLWithString:@"https://github.com/AlexQuinlivan/exif-orientation-examples/blob/master/Portrait_4.jpg?raw=true"], | ||
| [NSURL URLWithString:@"https://github.com/AlexQuinlivan/exif-orientation-examples/blob/master/Portrait_5.jpg?raw=true"], | ||
| [NSURL URLWithString:@"https://github.com/AlexQuinlivan/exif-orientation-examples/blob/master/Portrait_6.jpg?raw=true"], | ||
| [NSURL URLWithString:@"https://github.com/AlexQuinlivan/exif-orientation-examples/blob/master/Portrait_7.jpg?raw=true"], | ||
| [NSURL URLWithString:@"https://github.com/AlexQuinlivan/exif-orientation-examples/blob/master/Portrait_8.jpg?raw=true"], | ||
| ]; | ||
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| NSArray *orientedSizes = @[[NSValue valueWithCGSize:CGSizeMake(450, 300)], | ||
| [NSValue valueWithCGSize:CGSizeMake(450, 300)], | ||
| [NSValue valueWithCGSize:CGSizeMake(450, 300)], | ||
| [NSValue valueWithCGSize:CGSizeMake(450, 300)], | ||
| [NSValue valueWithCGSize:CGSizeMake(450, 300)], | ||
| [NSValue valueWithCGSize:CGSizeMake(450, 300)], | ||
| [NSValue valueWithCGSize:CGSizeMake(450, 300)], | ||
| [NSValue valueWithCGSize:CGSizeMake(450, 300)], | ||
| [NSValue valueWithCGSize:CGSizeMake(450, 300)], | ||
| [NSValue valueWithCGSize:CGSizeMake(300, 450)], | ||
| [NSValue valueWithCGSize:CGSizeMake(300, 450)], | ||
| [NSValue valueWithCGSize:CGSizeMake(300, 450)], | ||
| [NSValue valueWithCGSize:CGSizeMake(300, 450)], | ||
| [NSValue valueWithCGSize:CGSizeMake(300, 450)], | ||
| [NSValue valueWithCGSize:CGSizeMake(300, 450)], | ||
| [NSValue valueWithCGSize:CGSizeMake(300, 450)], | ||
| [NSValue valueWithCGSize:CGSizeMake(300, 450)], | ||
| [NSValue valueWithCGSize:CGSizeMake(300, 450)], | ||
| ]; | ||
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| dispatch_group_t group = dispatch_group_create(); | ||
| NSMutableArray *orienteds = [[NSMutableArray alloc] init]; | ||
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| CGFloat scale = 1; | ||
| #ifdef __IPHONE_OS_VERSION_MIN_REQUIRED | ||
| scale = [[UIScreen mainScreen] scale]; | ||
| #else | ||
| scale = [[NSScreen mainScreen] backingScaleFactor]; | ||
| #endif | ||
| dispatch_group_async(group, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ | ||
| NSInteger count = 0; | ||
| for (NSInteger idx = 0; idx < 500; idx++) { | ||
| Oriented *oriented = [[Oriented alloc] init]; | ||
| CGFloat r = (rand() % 255) / 255.0f; | ||
| CGFloat g = (rand() % 255) / 255.0f; | ||
| CGFloat b = (rand() % 255) / 255.0f; | ||
| #ifdef __IPHONE_OS_VERSION_MIN_REQUIRED | ||
| oriented.dominantColor = [UIColor colorWithRed:r green:g blue:b alpha:1.0f]; | ||
| #else | ||
| oriented.dominantColor = [NSColor colorWithRed:r green:g blue:b alpha:1.0f]; | ||
| #endif | ||
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| NSUInteger orientedIdx = rand() % 18; | ||
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| CGSize orientedSize = [orientedSizes[orientedIdx] CGSizeValue]; | ||
| NSInteger orientedSizeWidth = orientedSize.width; | ||
| NSInteger orientedSizeHeight = orientedSize.height; | ||
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| if (orientedSizeWidth > (width * scale)) { | ||
| orientedSizeHeight = ((width * scale) / orientedSizeWidth) * orientedSizeHeight; | ||
| orientedSizeWidth = (width * scale); | ||
| } | ||
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| oriented.imageURL = orientedURLs[orientedIdx]; | ||
| oriented.imageSize = CGSizeMake(orientedSizeWidth / scale, orientedSizeHeight / scale); | ||
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| dispatch_sync(dispatch_get_main_queue(), ^{ | ||
| [orienteds addObject:oriented]; | ||
| }); | ||
| count++; | ||
| } | ||
| }); | ||
| dispatch_group_notify(group, dispatch_get_main_queue(), ^{ | ||
| if (completion) { | ||
| completion(orienteds); | ||
| } | ||
| }); | ||
| } | ||
|
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| @end |
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