Databases
StackOverflow2013
Postsdbo
POCapture overlayimage using AVFoundation framework
Body
 

Note that there are some explanatory texts on larger screens.

plurals
  1. POCapture overlayimage using AVFoundation framework
    text
    copied!<p>I want to take picture with overlay image.</p> <p>code:</p> <pre><code>- (void)addStillImageOutput { // NSLog(@"You capture image"); [self setStillImageOutput:[[[AVCaptureStillImageOutput alloc] init] autorelease]]; NSDictionary *outputSettings = [[NSDictionary alloc] initWithObjectsAndKeys:AVVideoCodecJPEG,AVVideoCodecKey,nil]; [[self stillImageOutput] setOutputSettings:outputSettings]; AVCaptureConnection *videoConnection = nil; for (AVCaptureConnection *connection in [[self stillImageOutput] connections]) { for (AVCaptureInputPort *port in [connection inputPorts]) { if ([[port mediaType] isEqual:AVMediaTypeVideo] ) { videoConnection = connection; break; } } if (videoConnection) { break; } } [[self captureSession] addOutput:[self stillImageOutput]]; } - (void)captureStillImage { AVCaptureConnection *videoConnection = nil; for (AVCaptureConnection *connection in [[self stillImageOutput] connections]) { for (AVCaptureInputPort *port in [connection inputPorts]) { if ([[port mediaType] isEqual:AVMediaTypeVideo]) { videoConnection = connection; break; } } if (videoConnection) { break; } } NSLog(@"about to request a capture from: %@", [self stillImageOutput]); [[self stillImageOutput] captureStillImageAsynchronouslyFromConnection:videoConnection completionHandler:^(CMSampleBufferRef imageSampleBuffer, NSError *error) { CFDictionaryRef exifAttachments = CMGetAttachment(imageSampleBuffer, kCGImagePropertyExifDictionary, NULL); if (exifAttachments) { NSLog(@"attachements: %@", exifAttachments); } else { NSLog(@"no attachments"); } NSData *imageData = [AVCaptureStillImageOutput jpegStillImageNSDataRepresentation:imageSampleBuffer]; UIImage *image = [[UIImage alloc] initWithData:imageData]; [self setStillImage:image]; [image release]; [[NSNotificationCenter defaultCenter] postNotificationName:kImageCapturedSuccessfully object:nil]; }]; } </code></pre> <p>OverlayImage:</p> <pre><code>-(void)ButtonPressed1{ UIImageView *overlayImageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"sof.png"]]; [overlayImageView setFrame:CGRectMake(30, 100, 260, 200)]; [[self view] addSubview:overlayImageView]; [overlayImageView release]; } </code></pre>
 

Querying!

 
Guidance
An individual column

Larger individual text columns get their own page to allow for proper reading.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload