对屏幕上的某一个素点进行监视，不变化的时间超时就报警。用在监视某个程序是否死机的辅助用-On the screen a prime point of a monitor, do not change the time-out to the police. A program used to monitor whether the crash of the auxiliary

经典的2D图形数据处理插件源码，是处理数据，二维图形画面的不二工具-The classic 2D graphics data processing plug-in source, is processing data, a prime tool for two-dimensional graphic images ~ ~

Convert RGB color values to YCbCr color space. used as a part of the color image pipeline in video and digital photography systems. Y′ is the luma component and CB and CR are the blue-difference and red-difference chroma components. Y′ (with prime)