2014/10/15 下午 10:04:59

iphone Programming Glossary: cfdictionaryref

How do I export UIImage array as a movie?

http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie

CVPixelBufferCreate kCFAllocatorDefault frameSize.width frameSize.height kCVPixelFormatType_32ARGB CFDictionaryRef options pxbuffer NSParameterAssert status kCVReturnSuccess pxbuffer NULL CVPixelBufferLockBaseAddress..

Problem setting exif data for an image

http://stackoverflow.com/questions/5125323/problem-setting-exif-data-for-an-image

new ImageIO framework in iOS 4.1. I successfully retrieve the exif metadata using the following CFDictionaryRef metadataDict CMGetAttachment sampleBuffer kCGImagePropertyExifDictionary NULL Reading it out it appears.. metadata nil kCGImagePropertyExifAuxDictionary CGImageDestinationSetProperties myImageDest CFDictionaryRef props Finalize the image destination. bool status CGImageDestinationFinalize myImageDest iphone osx.. old metadata with our modified metadata CGImageDestinationAddImageFromSource destination source 0 CFDictionaryRef metadataAsMutable tell the destination to write the image data and metadata into our data object. It..

Get Exif data from UIImage - UIImagePickerController

http://stackoverflow.com/questions/9766394/get-exif-data-from-uiimage-uiimagepickercontroller

NSData CGImageSourceRef sourceRef CGImageSourceCreateWithData __bridge CFDataRef adata __bridge CFDictionaryRef sourceOptionsDict get imagePropertiesDictionary CFDictionaryRef imagePropertiesDictionary imagePropertiesDictionary.. __bridge CFDataRef adata __bridge CFDictionaryRef sourceOptionsDict get imagePropertiesDictionary CFDictionaryRef imagePropertiesDictionary imagePropertiesDictionary CGImageSourceCopyPropertiesAtIndex sourceRef 0 NULL.. imagePropertiesDictionary CGImageSourceCopyPropertiesAtIndex sourceRef 0 NULL get exif data CFDictionaryRef exif CFDictionaryRef CFDictionaryGetValue imagePropertiesDictionary kCGImagePropertyExifDictionary NSDictionary..

How do I export UIImage array as a movie?

http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie

nil CVPixelBufferRef pxbuffer NULL CVReturn status CVPixelBufferCreate kCFAllocatorDefault frameSize.width frameSize.height kCVPixelFormatType_32ARGB CFDictionaryRef options pxbuffer NSParameterAssert status kCVReturnSuccess pxbuffer NULL CVPixelBufferLockBaseAddress pxbuffer 0 void pxdata CVPixelBufferGetBaseAddress pxbuffer..

Problem setting exif data for an image

http://stackoverflow.com/questions/5125323/problem-setting-exif-data-for-an-image

setting exif data for an image I'm using the new ImageIO framework in iOS 4.1. I successfully retrieve the exif metadata using the following CFDictionaryRef metadataDict CMGetAttachment sampleBuffer kCGImagePropertyExifDictionary NULL Reading it out it appears valid. Saving an image out works but there is never any.. metadataDict kCGImagePropertyExifDictionary the exif metadata nil kCGImagePropertyExifAuxDictionary CGImageDestinationSetProperties myImageDest CFDictionaryRef props Finalize the image destination. bool status CGImageDestinationFinalize myImageDest iphone osx core graphics exif javax.imageio share improve this question.. in the image source to the destination overidding the old metadata with our modified metadata CGImageDestinationAddImageFromSource destination source 0 CFDictionaryRef metadataAsMutable tell the destination to write the image data and metadata into our data object. It will return false if something goes wrong BOOL success NO success..

Get Exif data from UIImage - UIImagePickerController

http://stackoverflow.com/questions/9766394/get-exif-data-from-uiimage-uiimagepickercontroller

nil create CGImageSource with NSData CGImageSourceRef sourceRef CGImageSourceCreateWithData __bridge CFDataRef adata __bridge CFDictionaryRef sourceOptionsDict get imagePropertiesDictionary CFDictionaryRef imagePropertiesDictionary imagePropertiesDictionary CGImageSourceCopyPropertiesAtIndex sourceRef.. CGImageSourceRef sourceRef CGImageSourceCreateWithData __bridge CFDataRef adata __bridge CFDictionaryRef sourceOptionsDict get imagePropertiesDictionary CFDictionaryRef imagePropertiesDictionary imagePropertiesDictionary CGImageSourceCopyPropertiesAtIndex sourceRef 0 NULL get exif data CFDictionaryRef exif CFDictionaryRef CFDictionaryGetValue.. CFDictionaryRef imagePropertiesDictionary imagePropertiesDictionary CGImageSourceCopyPropertiesAtIndex sourceRef 0 NULL get exif data CFDictionaryRef exif CFDictionaryRef CFDictionaryGetValue imagePropertiesDictionary kCGImagePropertyExifDictionary NSDictionary exif_dict __bridge NSDictionary exif NSLog @ exif_dict..

Iphone - How to encrypt NSData with public key and decrypt with private key?

http://stackoverflow.com/questions/10072124/iphone-how-to-encrypt-nsdata-with-public-key-and-decrypt-with-private-key

NSNumber numberWithBool YES forKey __bridge id kSecReturnRef Get the key. sanityCheck SecItemCopyMatching __bridge CFDictionaryRef queryPublicKey CFTypeRef publicKeyReference if sanityCheck noErr publicKeyReference NULL queryPublicKey release else publicKeyReference.. NSNumber numberWithBool YES forKey __bridge id kSecReturnRef Get the key. resultCode SecItemCopyMatching __bridge CFDictionaryRef queryPrivateKey CFTypeRef privateKeyReference NSLog @ getPrivateKey result code ld resultCode if resultCode noErr privateKeyReference.. SecKeyGeneratePair returns the SecKeyRefs just for educational purposes. sanityCheck SecKeyGeneratePair __bridge CFDictionaryRef keyPairAttr publicKey privateKey LOGGING_FACILITY sanityCheck noErr publicKey NULL privateKey NULL @ Something really bad..

RSA implementations in Objective C

http://stackoverflow.com/questions/10222524/rsa-implementations-in-objective-c

How do I export UIImage array as a movie?

http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie

CVReturn status CVPixelBufferCreate kCFAllocatorDefault frameSize.width frameSize.height kCVPixelFormatType_32ARGB CFDictionaryRef options pxbuffer NSParameterAssert status kCVReturnSuccess pxbuffer NULL CVPixelBufferLockBaseAddress pxbuffer 0 void pxdata..

How do I use CaptiveNetwork to get the current WiFi Hotspot Name

http://stackoverflow.com/questions/4712535/how-do-i-use-captivenetwork-to-get-the-current-wifi-hotspot-name

so far #import SystemConfiguration CaptiveNetwork.h ... Get the dictionary containing the captive network infomation CFDictionaryRef captiveNtwrkDict CNCopyCurrentNetworkInfo kCNNetworkInfoKeySSID Get the count of the key value pairs to test if it has worked.. available and then pass them into CNCopyCurrentNetworkInfo. For example CFArrayRef myArray CNCopySupportedInterfaces CFDictionaryRef myDict CNCopyCurrentNetworkInfo CFArrayGetValueAtIndex myArray 0 ...and you can then use the kCNNetworkInfoKeySSID on the..

Problem setting exif data for an image

http://stackoverflow.com/questions/5125323/problem-setting-exif-data-for-an-image

image I'm using the new ImageIO framework in iOS 4.1. I successfully retrieve the exif metadata using the following CFDictionaryRef metadataDict CMGetAttachment sampleBuffer kCGImagePropertyExifDictionary NULL Reading it out it appears valid. Saving an.. the exif metadata nil kCGImagePropertyExifAuxDictionary CGImageDestinationSetProperties myImageDest CFDictionaryRef props Finalize the image destination. bool status CGImageDestinationFinalize myImageDest iphone osx core graphics exif.. overidding the old metadata with our modified metadata CGImageDestinationAddImageFromSource destination source 0 CFDictionaryRef metadataAsMutable tell the destination to write the image data and metadata into our data object. It will return false if..

SFHFKeychainUtils. iOS keychain. ARC compatible

http://stackoverflow.com/questions/7663443/sfhfkeychainutils-ios-keychain-arc-compatible

attributeQuery setObject id kCFBooleanTrue forKey __bridge id kSecReturnAttributes OSStatus status SecItemCopyMatching CFDictionaryRef attributeQuery CFTypeRef attributeResult I tried OSStatus status SecItemCopyMatching __bridge CFDictionaryRef attributeQuery.. CFDictionaryRef attributeQuery CFTypeRef attributeResult I tried OSStatus status SecItemCopyMatching __bridge CFDictionaryRef attributeQuery CFTypeRef attributeResult also CFTypeRef subAttributeResult CFTypeRef objc_unretainedPointer attributeResult.. subAttributeResult CFTypeRef objc_unretainedPointer attributeResult OSStatus status SecItemCopyMatching __bridge CFDictionaryRef attributeQuery CFTypeRef subAttributeResult These 2 being the only 2 approaches I managed to get no errors for. Any other..

Get Exif data from UIImage - UIImagePickerController

http://stackoverflow.com/questions/9766394/get-exif-data-from-uiimage-uiimagepickercontroller

CGImageSource with NSData CGImageSourceRef sourceRef CGImageSourceCreateWithData __bridge CFDataRef adata __bridge CFDictionaryRef sourceOptionsDict get imagePropertiesDictionary CFDictionaryRef imagePropertiesDictionary imagePropertiesDictionary CGImageSourceCopyPropertiesAtIndex.. __bridge CFDataRef adata __bridge CFDictionaryRef sourceOptionsDict get imagePropertiesDictionary CFDictionaryRef imagePropertiesDictionary imagePropertiesDictionary CGImageSourceCopyPropertiesAtIndex sourceRef 0 NULL get exif data CFDictionaryRef.. imagePropertiesDictionary imagePropertiesDictionary CGImageSourceCopyPropertiesAtIndex sourceRef 0 NULL get exif data CFDictionaryRef exif CFDictionaryRef CFDictionaryGetValue imagePropertiesDictionary kCGImagePropertyExifDictionary NSDictionary exif_dict..