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2014/10/15 ¤U¤È 10:15:22

iphone Programming Glossary: uint32_t

Convert image to grayscale

http://stackoverflow.com/questions/1298867/convert-image-to-grayscale

1 int kGreen 2 int kBlue 4 int colors kGreen int m_width i.size.width int m_height i.size.height uint32_t rgbImage uint32_t malloc m_width m_height sizeof uint32_t CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB.. kBlue 4 int colors kGreen int m_width i.size.width int m_height i.size.height uint32_t rgbImage uint32_t malloc m_width m_height sizeof uint32_t CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB CGContextRef.. i.size.width int m_height i.size.height uint32_t rgbImage uint32_t malloc m_width m_height sizeof uint32_t CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB CGContextRef context CGBitmapContextCreate rgbImage..

Convert image to grayscale

http://stackoverflow.com/questions/1298867/convert-image-to-grayscale

to greyscale. UIImage convertToGreyscale UIImage i int kRed 1 int kGreen 2 int kBlue 4 int colors kGreen int m_width i.size.width int m_height i.size.height uint32_t rgbImage uint32_t malloc m_width m_height sizeof uint32_t CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB CGContextRef context CGBitmapContextCreate rgbImage.. convertToGreyscale UIImage i int kRed 1 int kGreen 2 int kBlue 4 int colors kGreen int m_width i.size.width int m_height i.size.height uint32_t rgbImage uint32_t malloc m_width m_height sizeof uint32_t CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB CGContextRef context CGBitmapContextCreate rgbImage m_width m_height.. 1 int kGreen 2 int kBlue 4 int colors kGreen int m_width i.size.width int m_height i.size.height uint32_t rgbImage uint32_t malloc m_width m_height sizeof uint32_t CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB CGContextRef context CGBitmapContextCreate rgbImage m_width m_height 8 m_width 4 colorSpace kCGBitmapByteOrder32Little..

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

code is as follows #import ViewController.h const size_t BUFFER_SIZE 64 const size_t CIPHER_BUFFER_SIZE 1024 const uint32_t PADDING kSecPaddingNone static const UInt8 publicKeyIdentifier com.apple.sample.publickey static const UInt8 privateKeyIdentifier..

RSA implementations in Objective C

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

code is as follows #import ViewController.h const size_t BUFFER_SIZE 64 const size_t CIPHER_BUFFER_SIZE 1024 const uint32_t PADDING kSecPaddingNone static const UInt8 publicKeyIdentifier com.apple.sample.publickey static const UInt8 privateKeyIdentifier..

Convert image to grayscale

http://stackoverflow.com/questions/1298867/convert-image-to-grayscale

UIImage i int kRed 1 int kGreen 2 int kBlue 4 int colors kGreen int m_width i.size.width int m_height i.size.height uint32_t rgbImage uint32_t malloc m_width m_height sizeof uint32_t CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB CGContextRef.. 1 int kGreen 2 int kBlue 4 int colors kGreen int m_width i.size.width int m_height i.size.height uint32_t rgbImage uint32_t malloc m_width m_height sizeof uint32_t CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB CGContextRef context CGBitmapContextCreate.. kGreen int m_width i.size.width int m_height i.size.height uint32_t rgbImage uint32_t malloc m_width m_height sizeof uint32_t CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB CGContextRef context CGBitmapContextCreate rgbImage m_width m_height..

IOSurfaces - Artefacts in video and unable to grab video surfaces

http://stackoverflow.com/questions/14135215/iosurfaces-artefacts-in-video-and-unable-to-grab-video-surfaces

framebufferService mach_task_self 0 connect result IOMobileFramebufferGetLayerDefaultSurface connect 0 screenSurface uint32_t aseed IOSurfaceLock screenSurface kIOSurfaceLockReadOnly aseed uint32_t width IOSurfaceGetWidth screenSurface uint32_t height.. connect 0 screenSurface uint32_t aseed IOSurfaceLock screenSurface kIOSurfaceLockReadOnly aseed uint32_t width IOSurfaceGetWidth screenSurface uint32_t height IOSurfaceGetHeight screenSurface m_width width m_height height CFMutableDictionaryRef.. uint32_t aseed IOSurfaceLock screenSurface kIOSurfaceLockReadOnly aseed uint32_t width IOSurfaceGetWidth screenSurface uint32_t height IOSurfaceGetHeight screenSurface m_width width m_height height CFMutableDictionaryRef dict int pitch width 4 size..

UIImage color changing?

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

CGRectMake 0 0 image.size.width 2 image.size.height 2 int 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.. 0 0 image.size.width 2 image.size.height 2 int 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.. 2 int 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..

How To Monitor Network Activity From Within App?

http://stackoverflow.com/questions/6134661/how-to-monitor-network-activity-from-within-app

this question After some searching I found Apple's code used for netstat . Everything you need in the void protopr uint32_t proto char name int af function. I tested on the device and sysctlbyname net.inet.tcp.pcblist_n ... works. That should be..

iOS - Get CPU usage from application

http://stackoverflow.com/questions/8223348/ios-get-cpu-usage-from-application

thread_count thread_info_data_t thinfo mach_msg_type_number_t thread_info_count thread_basic_info_t basic_info_th uint32_t stat_thread 0 Mach threads basic_info task_basic_info_t tinfo get threads in the task kr task_threads mach_task_self thread_list..

Capturing EAGLview content WITH alpha channel on iPhone

http://stackoverflow.com/questions/962390/capturing-eaglview-content-with-alpha-channel-on-iphone

size_t width CGImageGetWidth iref size_t height CGImageGetHeight iref size_t length width height 4 uint32_t pixels uint32_t malloc length CGContextRef context CGBitmapContextCreate pixels width height 8 width 4 CGImageGetColorSpace.. size_t width CGImageGetWidth iref size_t height CGImageGetHeight iref size_t length width height 4 uint32_t pixels uint32_t malloc length CGContextRef context CGBitmapContextCreate pixels width height 8 width 4 CGImageGetColorSpace iref kCGImageAlphaPremultipliedLast..