在Ubuntu中更新CxImage有以下两种推荐方法:
sudo apt update,然后执行sudo apt install --only-upgrade libcximage-dev。sudo apt-get install build-essential cmake libpng-dev libjpeg-dev。再从GitHub克隆源代码,git clone https://github.com/cximage/cximage.git,进入目录cd cximage,切换到主分支git checkout master,拉取最新更改git pull origin master,最后编译安装,mkdir build,cd build,cmake ..,make,sudo make install。