ubuntu安装图像处理库PIL

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PIL(Python Image Library)图像处理库，是python中最常用的图像处理库，目前的版本是1.17。该库提供了基本的图像处理功能，例如改变图像改变大小、格式转换、色场空间转换、图像增强、直方图处理、生成二维码、插值和滤波等。

在安装PIL之前，需要安装依赖库:zlib, png, freetype, jpeg

依赖运行库的安装:这个库是不能用 apt-get安装的，因此需要自己编译安装

安装依赖库:zlib$:wget https://sourceforge.net/projects/libpng/files/zlib/1.2.8/zlib-1.2.8.tar.gz$:tar -zxvf zlib-1.2.8.tar.gz$:./configure --prefix=/usr/local/lib$:cd zlib-1.2.8$:make$:sudo make install 安装依赖库:png$:wget ftp://ftp.simplesystems.org/pub/libpng/png/src/libpng16/libpng-1.6.21.tar.gz$:tar -zxvf libpng-1.6.21.tar.gz$:./configure --prefix=/usr/local/lib$:cd libpng-1.6.21$:make$:sudo make install安装依赖库:freetype$:wget https://sourceforge.net/projects/freetype/files/freetype2/2.6.3/freetype-2.6.3.tar.gz$:tar -zxvf freetype-2.6.3.tar-gz$:./configure --prefix=/usr/local/lib$:cd freetype-2.6.3$:make$:sudo make install安装依赖库:jpeg$:wget http://www.ijg.org/files/jpegsrc.v8c.tar.gz$:tar -zxvf jpegsrc.v8c.tar.gz$:cd jpeg-8c$:./configure --prefix=/usr/local/lib$:make$:sudo make install

安装dev链接库

sudo apt-get install zlib1g-dev libpng12-dev libfreetype6-dev libjpeg8-dev

安装PIL库

$:wget wget http://effbot.org/downloads/Imaging-1.1.7.tar.gz$:tar -zxvf Imaging-1.1.7$:cd Imageing-1.1.7修改setup.pyJPEG_ROOT = "/usr/local/lib"ZLIB_ROOT = "/usr/local/lib"FREETYPE_ROOT = "/usr/local/lib"检查系统环境是否配置成功:$:cd Imaging-1.1.7$:python setup.py build_ext -irunning build_ext--------------------------------------------------------------------PIL 1.1.7 SETUP SUMMARY--------------------------------------------------------------------version       1.1.7platform      linux2 2.7.6 (default, Jun 22 2015, 17:58:13)              [GCC 4.8.2]--------------------------------------------------------------------*** TKINTER support not available (Tcl/Tk 8.6 libraries needed)--- JPEG support available--- ZLIB (PNG/ZIP) support available--- FREETYPE2 support available*** LITTLECMS support not available--------------------------------------------------------------------To add a missing option, make sure you have the requiredlibrary, and set the corresponding ROOT variable in thesetup.py script.To check the build, run the selftest.py script.只要JPEG、ZLIB、FREETYPE2 是 available就行开始PIL的安装:$:python setup.py build（我出现的错误 <freetype/freetype> 不存在,处理方法:cd /usr/include  sudo ln -s freetype2 freetype）$:python setup.py install

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