2014/10/15 下午 10:14:23

iphone Programming Glossary: srcdata

Iphone Encryption on UIImage - kCCBufferTooSmall error on AES 256 encryption

http://stackoverflow.com/questions/13248786/iphone-encryption-on-uiimage-kccbuffertoosmall-error-on-aes-256-encryption

additions for AES 256 encryption . I tried to use it but with partial success. This is the code encryption NSData srcData UIImageJPEGRepresentation srcImage 1.0 NSLog @ srcData length d srcData length NSData encryptedData srcData AES256EncryptWithKey.. it but with partial success. This is the code encryption NSData srcData UIImageJPEGRepresentation srcImage 1.0 NSLog @ srcData length d srcData length NSData encryptedData srcData AES256EncryptWithKey KEY NSLog @ encrypted data length d encryptedData.. success. This is the code encryption NSData srcData UIImageJPEGRepresentation srcImage 1.0 NSLog @ srcData length d srcData length NSData encryptedData srcData AES256EncryptWithKey KEY NSLog @ encrypted data length d encryptedData length ..........

GameKit Bluetooth Transfer Problem

http://stackoverflow.com/questions/2877523/gamekit-bluetooth-transfer-problem

2nd Send the number of chunks your going to send NSUInteger fiftyK 51200 NSUInteger chunkCount NSUInteger srcData.length fiftyK srcData.length fiftyK 0 0 1 NSString chunkCountStr NSString stringWithFormat @ d chunkCount NSData chunkCountData.. the number of chunks your going to send NSUInteger fiftyK 51200 NSUInteger chunkCount NSUInteger srcData.length fiftyK srcData.length fiftyK 0 0 1 NSString chunkCountStr NSString stringWithFormat @ d chunkCount NSData chunkCountData chunkCountStr.. NSObjects of less then 50k each just to be on the safe size NSData dataToSend NSRange range 0 0 for NSUInteger i 0 i srcData.length i fiftyK range i fiftyK dataToSend srcData subdataWithRange range send 'dataToSend' NSUInteger remainder srcData.length..

Blur an UIImage on change of slider

http://stackoverflow.com/questions/8758433/blur-an-uiimage-on-change-of-slider

context NYXImageCreateARGBBitmapContext originalWidth originalHeight bytesPerRow if context return nil unsigned char srcData destData finalData size_t width CGBitmapContextGetWidth context size_t height CGBitmapContextGetHeight context size_t bpr.. CGContextDrawImage context rect cgImage Now we can get a pointer to the image data associated with the bitmap context. srcData unsigned char CGBitmapContextGetData context if srcData NULL size_t dataSize bpr height finalData malloc dataSize destData.. pointer to the image data associated with the bitmap context. srcData unsigned char CGBitmapContextGetData context if srcData NULL size_t dataSize bpr height finalData malloc dataSize destData malloc dataSize memcpy finalData srcData dataSize memcpy..