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Make sure visual scan area works #45

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Make sure visual scan area works #45

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26 changes: 15 additions & 11 deletions QRCodeReaderViewController/QRCodeReader.m
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@
*/

#import "QRCodeReader.h"
#import "QRCodeReaderView.h"

@interface QRCodeReader () <AVCaptureMetadataOutputObjectsDelegate>
@property (strong, nonatomic) AVCaptureDevice *defaultDevice;
Expand Down Expand Up @@ -248,18 +249,21 @@ - (void)setCompletionWithBlock:(void (^) (NSString *resultAsString))completionBl

- (void)captureOutput:(AVCaptureOutput *)captureOutput didOutputMetadataObjects:(NSArray *)metadataObjects fromConnection:(AVCaptureConnection *)connection
{
for (AVMetadataObject *current in metadataObjects) {
if ([current isKindOfClass:[AVMetadataMachineReadableCodeObject class]]
&& [_metadataObjectTypes containsObject:current.type]) {
NSString *scannedResult = [(AVMetadataMachineReadableCodeObject *)current stringValue];

if (_completionBlock) {
_completionBlock(scannedResult);
}

break;
for (AVMetadataObject *current in metadataObjects) {
if ([current isKindOfClass:[AVMetadataMachineReadableCodeObject class]] && [_metadataObjectTypes containsObject:current.type]) {
NSString *scannedResult = [(AVMetadataMachineReadableCodeObject *)current stringValue];
AVMetadataObject* transformed = [self.previewLayer transformedMetadataObjectForMetadataObject:current];
CGRect scanarea = [QRCodeReaderView scanArea];
if (CGRectIntersectsRect(scanarea, transformed.bounds))
{
NSLog(@"/////// Intersect");
if (_completionBlock) {
_completionBlock(scannedResult);
break;
}
}
}
}
}
}

@end
2 changes: 1 addition & 1 deletion QRCodeReaderViewController/QRCodeReaderView.h
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Original file line number Diff line number Diff line change
Expand Up @@ -32,5 +32,5 @@
* @since 2.0.0
*/
@interface QRCodeReaderView : UIView

+(CGRect)scanArea;
@end
12 changes: 10 additions & 2 deletions QRCodeReaderViewController/QRCodeReaderView.m
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,8 @@

#import "QRCodeReaderView.h"

static CGRect scanarea;

@interface QRCodeReaderView ()
@property (nonatomic, strong) CAShapeLayer *overlay;

Expand All @@ -38,7 +40,7 @@ - (id)initWithFrame:(CGRect)frame
if ((self = [super initWithFrame:frame])) {
[self addOverlay];
}

scanarea = CGRectZero;
return self;
}

Expand All @@ -58,10 +60,16 @@ - (void)drawRect:(CGRect)rect

CGRect offsetRect = CGRectOffset(innerRect, 0, 15);


scanarea = offsetRect;

_overlay.path = [UIBezierPath bezierPathWithRoundedRect:offsetRect cornerRadius:5].CGPath;
}

+(CGRect)scanArea
{
return scanarea;
}

#pragma mark - Private Methods

- (void)addOverlay
Expand Down