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2014/10/15 ¤U¤È 10:04:59

iphone Programming Glossary: cfdataref

How to get the RGB values for a pixel on an image on the iphone

http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone

UIImageView and declared with corresponding synthesized properties Reference to Quartz CGImage for receiver self CFDataRef bitmapData Buffer holding raw pixel data copied from Quartz CGImage held in receiver self UInt8 pixelByteData A pointer..

UITableViewCell(s) with default image overwritten with other images upon scrolling

http://stackoverflow.com/questions/15702242/uitableviewcells-with-default-image-overwritten-with-other-images-upon-scrolli

same as your reminderToDisplay.Name if reminderToDisplay.Name isEqualToString contactName ABPersonHasImageData person CFDataRef imageData ABPersonCopyImageData person self.reminderImage UIImage imageWithData NSData imageData CFRelease imageData CFRelease..

IPhone app with SSL client certs

http://stackoverflow.com/questions/2037172/iphone-app-with-ssl-client-certs

mainBundle pathForResource @ certificate ofType @ p12 NSData PKCS12Data NSData alloc initWithContentsOfFile thePath CFDataRef inPKCS12Data CFDataRef PKCS12Data CFStringRef password CFSTR pass const void keys kSecImportExportPassphrase const void.. @ certificate ofType @ p12 NSData PKCS12Data NSData alloc initWithContentsOfFile thePath CFDataRef inPKCS12Data CFDataRef PKCS12Data CFStringRef password CFSTR pass const void keys kSecImportExportPassphrase const void values password CFDictionaryRef..

Reading PDF files as string through iPhone application

http://stackoverflow.com/questions/2362393/reading-pdf-files-as-string-through-iphone-application

str if s NULL need something in here in case it cant find anything NSLog @ @ testing it s CFRelease s CFDataRef data CGPDFStreamCopyData stream CGPDFDataFormatRaw CGContextDrawPDFPage myContext page 3 CGContextTranslateCTM myContext..

Extracting images from a PDF

http://stackoverflow.com/questions/2475450/extracting-images-from-a-pdf

cont if CGPDFDictionaryGetStream dict Contents cont NSLog @ Couldn't open page stream. 4. copy page contents steam CFDataRef contdata CGPDFStreamCopyData cont NULL 5. get the media array from stream CGPDFArrayRef media if CGPDFDictionaryGetArray.. height NSLog @ Image Height width not loaded. 17. Load image bytes verify it CGPDFDataFormat fmt CGPDFDataFormatRaw CFDataRef data CGPDFStreamCopyData strm fmt int32_t len CFDataGetLength data const void bytes CFDataGetBytePtr data now I have bytes.. NSString colorSpace nil CGColorSpaceRef cgColorSpace const char name NULL colorSpaceName NULL renderingIntentName NULL CFDataRef imageDataPtr NULL CGImageRef cgImage maskImage NULL CGImageRef sourceImage NULL CGDataProviderRef dataProvider CGColorRenderingIntent..

Generate vCard from AddressBook.framework

http://stackoverflow.com/questions/2795615/generate-vcard-from-addressbook-framework

iOS 5 or later there's now a function in ABPerson that can return the vCard representation of the given person records CFDataRef ABPersonCreateVCardRepresentationWithPeople CFArrayRef people UPDATE 2 I'm rushing to get an app complete but because I..

Can I make POST or GET requests from an iphone application?

http://stackoverflow.com/questions/319463/can-i-make-post-or-get-requests-from-an-iphone-application

Image processing Glamour filter in iphone

http://stackoverflow.com/questions/3549396/image-processing-glamour-filter-in-iphone

UIImage image CGImageRef cgImage image CGImage CGDataProviderRef provider CGImageGetDataProvider cgImage CFDataRef bitmapData CGDataProviderCopyData provider UInt8 data UInt8 CFDataGetBytePtr bitmapData int width image.size.width int height..

Strange issue after upgrading to iOS 4.1 SDK

http://stackoverflow.com/questions/3677879/strange-issue-after-upgrading-to-ios-4-1-sdk

at that line in the .h file I see the following CG_EXTERN void CGPDFContextAddDocumentMetadata CGContextRef context CFDataRef metadata CG_AVAILABLE_STARTING __MAC_10_7 __IPHONE_4_0 The really interesting thing is the define __MAC_10_7 which appears..

send RSA public key to iphone and use it to encrypt

http://stackoverflow.com/questions/4211484/send-rsa-public-key-to-iphone-and-use-it-to-encrypt

NSData certificate SecCertificateRef cert SecCertificateCreateWithData kCFAllocatorDefault __bridge CFDataRef certificate SecPolicyRef policy SecPolicyCreateBasicX509 SecTrustRef trust OSStatus status SecTrustCreateWithCertificates..

How to perform DNS query on iOS

http://stackoverflow.com/questions/5000441/how-to-perform-dns-query-on-ios

tempDNS NSMutableArray alloc init for int i 0 i CFArrayGetCount addresses i struct sockaddr_in remoteAddr CFDataRef saData CFDataRef CFArrayGetValueAtIndex addresses i remoteAddr struct sockaddr_in CFDataGetBytePtr saData if remoteAddr.. NSMutableArray alloc init for int i 0 i CFArrayGetCount addresses i struct sockaddr_in remoteAddr CFDataRef saData CFDataRef CFArrayGetValueAtIndex addresses i remoteAddr struct sockaddr_in CFDataGetBytePtr saData if remoteAddr NULL Extract the..

Problem setting exif data for an image

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

jpegStillImageNSDataRepresentation imageDataSampleBuffer CGImageSourceRef source source CGImageSourceCreateWithData CFDataRef jpeg NULL get all the metadata in the image NSDictionary metadata NSDictionary CGImageSourceCopyPropertiesAtIndex source..

Getting RGB pixel data from CGImage

http://stackoverflow.com/questions/6073259/getting-rgb-pixel-data-from-cgimage

with this code UIImage theImage UIImage imageNamed @ rgb.png CGImageRef cgImageRef CGImageRetain theImage.CGImage CFDataRef imageData CGDataProviderCopyData CGImageGetDataProvider cgImageRef NSLog @ the data @ imageData This then logs the data..

Dispelling the UIImage imageNamed: FUD

http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud

I can't see it is worth the maintentace but here it is for completeness. CGImageRef originalImage uiImage.CGImage CFDataRef imageData CGDataProviderCopyData CGImageGetDataProvider originalImage CGDataProviderRef imageDataProvider CGDataProviderCreateWithCFData..

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..