opencv/modules/imgcodecs/misc/objc/ios/Mat+Converters.mm
Jonathan Cole c4c9cdd2b1
Merge pull request #18855 from Rightpoint:feature/colejd/add-apple-conversions-to-framework-builds
Expose CGImage <-> Mat conversion for iOS platforms

* Add apple_conversions to framework builds

This exposes CGImage <-> Mat conversion.

* Export Mat <-> CGImage methods on iOS targets

* Add CGImage converters to iOS objc helper class

* Add CF_RETURNS_RETAINED annotations to methods returning CGImageRef
2020-11-19 21:20:32 +00:00

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//
// Mat+UIImage.mm
//
// Created by Giles Payne on 2020/03/03.
//
#import "Mat+Converters.h"
#import <opencv2/imgcodecs/ios.h>
@implementation Mat (Converters)
-(CGImageRef)toCGImage {
return MatToCGImage(self.nativeRef);
}
-(instancetype)initWithCGImage:(CGImageRef)image {
return [self initWithCGImage:image alphaExist:NO];
}
-(instancetype)initWithCGImage:(CGImageRef)image alphaExist:(BOOL)alphaExist {
self = [self init];
if (self) {
CGImageToMat(image, self.nativeRef, (bool)alphaExist);
}
return self;
}
-(UIImage*)toUIImage {
return MatToUIImage(self.nativeRef);
}
-(instancetype)initWithUIImage:(UIImage*)image {
return [self initWithUIImage:image alphaExist:NO];
}
-(instancetype)initWithUIImage:(UIImage*)image alphaExist:(BOOL)alphaExist {
self = [self init];
if (self) {
UIImageToMat(image, self.nativeRef, (bool)alphaExist);
}
return self;
}
@end