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2014/10/15 ¤U¤È 10:11:21

iphone Programming Glossary: memset

UIImage color changing?

http://stackoverflow.com/questions/1698971/uiimage-color-changing

width imageRect.size.width height imageRect.size.height uint32_t pixels uint32_t malloc width height sizeof uint32_t memset pixels 0 width height sizeof uint32_t CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB CGContextRef context CGBitmapContextCreate..

Reading binary image data from a web service into UIImage

http://stackoverflow.com/questions/2360986/reading-binary-image-data-from-a-web-service-into-uiimage

data static char decodingTable NULL if decodingTable NULL decodingTable malloc 256 if decodingTable NULL return nil memset decodingTable CHAR_MAX 256 NSUInteger i for i 0 i 64 i decodingTable short encodingTable i i const char characters string..

How to encrypt an NSString in Objective C with DES in ECB-Mode?

http://stackoverflow.com/questions/2512184/how-to-encrypt-an-nsstring-in-objective-c-with-des-in-ecb-mode

bufferPtrSize plainTextBufferSize kCCBlockSize3DES ~ kCCBlockSize3DES 1 bufferPtr malloc bufferPtrSize sizeof uint8_t memset void bufferPtr 0x0 bufferPtrSize memset void iv 0x0 size_t sizeof iv NSString initVec @ init Vec const void vkey const void.. ~ kCCBlockSize3DES 1 bufferPtr malloc bufferPtrSize sizeof uint8_t memset void bufferPtr 0x0 bufferPtrSize memset void iv 0x0 size_t sizeof iv NSString initVec @ init Vec const void vkey const void key UTF8String const void vinitVec const..

CGBitmapContextCreate on the iPhone/iPad

http://stackoverflow.com/questions/2619224/cgbitmapcontextcreate-on-the-iphone-ipad

imageRef CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB unsigned char rawData malloc height width 4 memset rawData 0 height width 4 NSUInteger bytesPerPixel 4 NSUInteger bytesPerRow bytesPerPixel width NSUInteger bitsPerComponent..

Using GraphicsServices.h/GSEvent as well as compiling CLI iPhone tools with Xcode

http://stackoverflow.com/questions/3017367/using-graphicsservices-h-gsevent-as-well-as-compiling-cli-iphone-tools-with-xcod

to create a GSEvent. Just use GSSendEvent not tested. GSAccelerometerInfo accel 0.0f 0.0f 1.0f GSEventRecord header memset header 0 sizeof header header.type kGSEventAccelerate header.infoSize sizeof accel header.timestamp mach_absolute_time fill..

clipping a UIImage as per a polygon

http://stackoverflow.com/questions/3667939/clipping-a-uiimage-as-per-a-polygon

bytesPerRow bmpWidth bytesPerPixel size_t bmpDataSize bytesPerRow bmpHeight unsigned char bmpData malloc bmpDataSize memset bmpData 0 bmpDataSize CGContextRef bmpCtx CGBitmapContextCreate bmpData bmpWidth bmpHeight 8 bytesPerRow colorSpace kCGImageAlphaNone..

How to display an image on a MKOverlayView?

http://stackoverflow.com/questions/3891850/how-to-display-an-image-on-a-mkoverlayview

Allocate and clear memory for the data of the image unsigned char imageData unsigned char malloc height width 4 memset imageData 0 height width 4 Define the rect for the image CGRect imageRect if image.imageOrientation UIImageOrientationUp..

Data format from recording using Audio Queue framework

http://stackoverflow.com/questions/3963827/data-format-from-recording-using-audio-queue-framework

which sets up the audio queue so you can see how it is configured. void AQRecorder SetupAudioFormat UInt32 inFormatID memset mRecordFormat 0 sizeof mRecordFormat UInt32 size sizeof mRecordFormat.mSampleRate XThrowIfError AudioSessionGetProperty..

AES interoperability between .Net and iPhone?

http://stackoverflow.com/questions/538435/aes-interoperability-between-net-and-iphone

it... . The iPhone code uses 0 for IV. Initialization vector dummy in this case 0's. uint8_t iv kChosenCipherBlockSize memset void iv 0x0 size_t sizeof iv openssl by default prepends a randomly generated salt which is why the output is longer . The..

Make movie file with picture Array and song file, using AVAsset

http://stackoverflow.com/questions/6061092/make-movie-file-with-picture-array-and-song-file-using-avasset

AVVideoWidthKey NSNumber numberWithInt size.height AVVideoHeightKey nil AudioChannelLayout channelLayout memset channelLayout 0 sizeof AudioChannelLayout channelLayout.mChannelLayoutTag kAudioChannelLayoutTag_Stereo NSDictionary audioSettings..

FFT on iPhone to ignore background noise and find lower pitches

http://stackoverflow.com/questions/7181630/fft-on-iphone-to-ignore-background-noise-and-find-lower-pitches

MagnitudeSquared outputBuffer i outputBuffer i 1 if curFreq dominantFrequency dominantFrequency curFreq bin i 1 2 memset outputBuffer 0 n sizeof SInt16 Update the UI with our newly acquired frequency value. THIS listener frequencyChangedWithValue.. windowSize maxFrames transferBuffer float malloc sizeof float windowSize window float malloc sizeof float windowSize memset window 0 sizeof float windowSize vDSP_hann_window window windowSize vDSP_HANN_NORM which I then apply by inserting vDSP_vmul..

App “failed to resume in time” and hangs

http://stackoverflow.com/questions/7822988/app-failed-to-resume-in-time-and-hangs

time seconds 0.002 0 CPU Thread 0 name Dispatch queue com.apple.main thread Thread 0 0 libsystem_c.dylib 0x307d1a3c memset VARIANT CortexA9 100 1 libsqlite3.dylib 0x36cd3e7e 0x36cbf000 85630 2 libsqlite3.dylib 0x36cc73ec 0x36cbf000 33772 3 libsqlite3.dylib..

Can anybody help me in recording iPhone output sound through Audio Unit

http://stackoverflow.com/questions/8615358/can-anybody-help-me-in-recording-iphone-output-sound-through-audio-unit

AudioBufferList bufferList SInt16 samples inNumberFrames A large enough size to not have to worry about buffer overrun memset samples 0 sizeof samples bufferList.mNumberBuffers 1 bufferList.mBuffers 0 .mData samples bufferList.mBuffers 0 .mNumberChannels..

ExtAudioFileWrite to m4a/aac failing on dual-core devices (ipad 2, iphone 4s)

http://stackoverflow.com/questions/8719865/extaudiofilewrite-to-m4a-aac-failing-on-dual-core-devices-ipad-2-iphone-4s

.mNumberChannels 1 writeBuffer mBuffers 1 .mDataByteSize bufferBytes writeBuffer mBuffers 1 .mData malloc bufferBytes memset writeBuffer mBuffers 0 .mData 0 bufferBytes memset writeBuffer mBuffers 1 .mData 0 bufferBytes UInt32 framesToGet UInt32.. bufferBytes writeBuffer mBuffers 1 .mData malloc bufferBytes memset writeBuffer mBuffers 0 .mData 0 bufferBytes memset writeBuffer mBuffers 1 .mData 0 bufferBytes UInt32 framesToGet UInt32 frameCount allData gLoopStartFrame UInt32 startFrame.. output file ExtAudioFileWrite outFile framesToGet writeBuffer frameCount framesToGet write one trailing silent buffer memset writeBuffer mBuffers 0 .mData 0 bufferBytes memset writeBuffer mBuffers 1 .mData 0 bufferBytes processLimiterInPlace8p24..

iPhone: Bonjour NSNetService IP address and port

http://stackoverflow.com/questions/938521/iphone-bonjour-nsnetservice-ip-address-and-port

inet_ntop . Putting all of this together you get char addressBuffer INET6_ADDRSTRLEN for NSData data in self.addresses memset addressBuffer 0 INET6_ADDRSTRLEN typedef union struct sockaddr sa struct sockaddr_in ipv4 struct sockaddr_in6 ipv6 ip_socket_address..