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30 lines
935 B
Objective-C
30 lines
935 B
Objective-C
//
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// NSImage+MPQRCode.m
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// MacPass
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//
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// Created by Michael Starke on 10.12.20.
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// Copyright © 2020 HicknHack Software GmbH. All rights reserved.
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//
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#import "NSImage+MPQRCode.h"
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#import <CoreImage/CoreImage.h>
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@implementation NSImage (MPQRCode)
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- (NSString *)QRCodeString {
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NSRect rect = NSMakeRect(0, 0, self.size.width, self.size.height);
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NSBitmapImageRep *bitmapRep = (NSBitmapImageRep *)[self bestRepresentationForRect:rect context:nil hints:nil];
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CIImage *ciImage = [[CIImage alloc] initWithBitmapImageRep:bitmapRep];
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CIDetector *detector = [CIDetector detectorOfType:CIDetectorTypeQRCode context:nil options:nil];
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NSArray<CIFeature *> *features = [detector featuresInImage:ciImage];
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for(CIFeature *feature in features) {
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if(feature.type == CIFeatureTypeQRCode) {
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CIQRCodeFeature *qrCodeFeature = (CIQRCodeFeature *)feature;
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return qrCodeFeature.messageString;
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}
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}
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return @"";
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}
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@end
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