问一个函数相关参数的解释 ios开发

- (id)initWithBitmapDataPlanes:(unsigned char **)planes 
                                pixelsWide:(NSInteger)width 
                                pixelsHigh:(NSInteger)height 
                                bitsPerSample:(NSInteger)bps 
                                samplesPerPixel:(NSInteger)spp 
                                hasAlpha:(BOOL)alpha 
                                isPlanar:(BOOL)isPlanar 
                                colorSpaceName:(NSString *)colorSpaceName                                                     
                                bitmapFormat:(NSBitmapFormat)bitmapFormat                                                           
                                bytesPerRow:(NSInteger)rBytes 
                                bitsPerPixel:(NSInteger)pBits; 
 想问一下关于这个函数的这些参数的意思，，文档上的解释有点看不懂，不知道怎么解释求各位能人帮忙解释一下