Centos PIL 安装

PIL是python理想的图片处理module，但是想要良好的支持各种图片，还需要检查一下几步，否则会提示：IOError: decoder jpeg not available之类的。

我的环境：Linux mint 11 amd64 / Python2.7
第一步：安装zlib png freetype jpeg

1 zlib set up

yum install zlib

2 stall png

$ wget ftp://ftp.simplesystems.org/pub/libpng/png/src/libpng-1.5.6.tar.gz (如果文件不存在就浏览 /src/目录查找一下最新版)
$ tar -xvzf libpng-1.5.6.tar.gz
$ cd libpng-1.5.6
$ ./configure --prefix=/usr/local
$ make
$ sudo make install

3 install freetype

$ wget http://nchc.dl.sourceforge.net/project/freetype/freetype2/2.4.7/freetype-2.4.7.tar.gz
$ tar -xvzf freetype-2.4.7.tar.gz
$ cd freetype-2.4.7/
$ ./configure --prefix=/usr/local
$ make
$ make install

4 install jpeg

$ wget http://www.ijg.org/files/jpegsrc.v8c.tar.gz
$ tar -xvzf jpegsrc.v8c.tar.gz
$ cd jpeg-8c/
$ ./configure --prefix=/usr/local
$ make
$ sudo make install

第二步：安装需要的 devel库

$ sudo apt-get install libjpeg8-dev

$ sudo apt-get install libpng12-dev

$ sudo apt-get install libfreetype6-dev

$ sudo apt-get install zlib1g-dev

第三步：安装 PIL（ Python Imaging Library ）

$ wget http://effbot.org/downloads/Imaging-1.1.7.tar.gz
$ tar -xvzf Imaging-1.1.7.tar.gz
$ cd Imaging-1.1.7/

修改setup.py文件：

$ nano setup.py

修改如下：
JPEG_ROOT = "/usr/local/lib"
ZLIB_ROOT = "/usr/local/lib"
FREETYPE_ROOT = "/usr/local/lib"

检查是否支持：

$ python setup.py build_ext -i
running build_ext
--------------------------------------------------------------------
PIL 1.1.7 SETUP SUMMARY
--------------------------------------------------------------------
version 1.1.7
platform linux2 2.7.1+ (r271:86832, Apr 11 2011, 18:13:53)
[GCC 4.5.2]
--------------------------------------------------------------------
*** TKINTER support not available
--- JPEG support available -----------------------> OK！
--- ZLIB (PNG/ZIP) support available -----------------------> OK！
--- FREETYPE2 support available -----------------------> OK！
*** LITTLECMS support not available
--------------------------------------------------------------------
To add a missing option, make sure you have the required
library, and set the corresponding ROOT variable in the
setup.py script.

To check the build, run the selftest.py script.

正式安装：

$ python setup.py build
$ sudo python setup.py install

最后一步：验证

    #!/usr/bin/env python 
    # -*- coding:utf-8 -*- 

    import Image  
    picPath = '～/images/1212.jpg'  

    im = Image.open(picPath)  
    print im.getbbox()  

输出结果图片尺寸：

(0, 0, 600, 715)