Odoo8、9打印中文字体配置分析详解

源码路径odoo/openerp/report/render/rml2pdf/customfonts.py

# Search path for TTF files, in addition of rl_config.TTFSearchPath
TTFSearchPath = [
            '/usr/share/fonts/truetype', # SuSE
            '/usr/share/fonts/dejavu', '/usr/share/fonts/liberation', # Fedora, RHEL
            '/usr/share/fonts/truetype/*','/usr/local/share/fonts' # Ubuntu,
            '/usr/share/fonts/TTF/*', # Mandriva/Mageia
            '/usr/share/fonts/TTF', # Arch Linux
            '/usr/lib/openoffice/share/fonts/truetype/',
            '~/.fonts',
            '~/.local/share/fonts',

            # mac os X - from
            # http://developer.apple.com/technotes/tn/tn2024.html
            '~/Library/Fonts',
            '/Library/Fonts',
            '/Network/Library/Fonts',
            '/System/Library/Fonts',

            # windows
            'c:/winnt/fonts',
            'c:/windows/fonts'
]

# Search path for TTF files, in addition of rl_config.TTFSearchPath

TTFSearchPath = [

'/usr/share/fonts/truetype', # SuSE

'/usr/share/fonts/dejavu', '/usr/share/fonts/liberation', # Fedora, RHEL

'/usr/share/fonts/truetype/*','/usr/local/share/fonts' # Ubuntu,

'/usr/share/fonts/TTF/*', # Mandriva/Mageia

'/usr/share/fonts/TTF', # Arch Linux

'/usr/lib/openoffice/share/fonts/truetype/',

'~/.fonts',

'~/.local/share/fonts',

# mac os X - from

# http://developer.apple.com/technotes/tn/tn2024.html

'~/Library/Fonts',

'/Library/Fonts',

'/Network/Library/Fonts',

'/System/Library/Fonts',

# windows

'c:/winnt/fonts',

'c:/windows/fonts'

]

可见对于windows、mac及linux大部分发行版的默认系统字体路径都做了比较全面的配置

def list_all_sysfonts():
    """
        This function returns list of font directories of system.
    """
    filepath = []

    # Perform the search for font files ourselves, as reportlab's
    # TTFOpenFile is not very good at it.
    searchpath = list(set(TTFSearchPath + rl_config.TTFSearchPath))
    for dirname in searchpath:
        for filename in glob.glob(os.path.join(os.path.expanduser(dirname), '*.[Tt][Tt][FfCc]')):
            filepath.append(filename)
    return filepath

def list_all_sysfonts():

"""

This function returns list of font directories of system.

"""

filepath = []

# Perform the search for font files ourselves, as reportlab's

# TTFOpenFile is not very good at it.

searchpath = list(set(TTFSearchPath + rl_config.TTFSearchPath))

for dirname in searchpath:

for filename in glob.glob(os.path.join(os.path.expanduser(dirname), '*.[Tt][Tt][FfCc]')):

filepath.append(filename)

return filepath

接着根据正则*.[Tt][Tt][FfCc]对所有配置路径下的文件扩展名做字体匹配以生成odoo可供配置选择的字体列表

一般Linux下使用最多的开源中文字体是文泉译系列，简称wqy，Centos下yum search wqy相关英文描述（中文笔者补充）：

wqy-microhei-fonts.noarch : Compact Chinese fonts derived from Droid
文泉驿微米黑是一个”自由字体”。该字体包含了所有常用简体中文、繁体中文所需要的汉字(最新版本包含超过20932个汉字，完整覆盖GB2312/Big5以及GBK标准字符集)。该字体同时还包含了日文、韩文和其他几十种语言符号。以外，该字体还包含了高质量的Droid Sans拉丁符号和Droid Sans Mono等宽字体，并内置Hinting和Kerning信息。微米黑字体文件极小，特别使用于便携式电脑设备

wqy-unibit-fonts.noarch : WenQuanYi Unibit Bitmap Font
文泉驿Unibit是一款等宽的点阵字体，该字体包含了46,000多个unicode符号，超过27,000多个符合国家标准的汉字点阵字型，是已知的开源字体当中包含符号最完整的字体之一

wqy-zenhei-fonts.noarch : WenQuanYi Zen Hei CJK Font
黑体由于笔画略宽，显示对比度比宋体大，所以越来越得到桌面用户的青睐。文泉驿正黑体正是为这种目的设计的一款开源字体

据上描述可直接根据需要yum install对应的字体名称即可快速安装
当然也可以直接去文泉译官网http://wenq.org/获取最新版本及其它类型中文字体，如文泉驿点阵宋体

然后以优秀的文泉驿微米黑字体为例：

[srj@x1c ~]# rpm -ql wqy-microhei-fonts
/etc/fonts/conf.d/65-wqy-microhei.conf
/usr/share/doc/wqy-microhei-fonts-0.2.0
/usr/share/doc/wqy-microhei-fonts-0.2.0/LICENSE_Apache2.txt
/usr/share/doc/wqy-microhei-fonts-0.2.0/LICENSE_GPLv3.txt
/usr/share/doc/wqy-microhei-fonts-0.2.0/README.txt
/usr/share/fontconfig/conf.avail/65-wqy-microhei.conf
/usr/share/fonts/wqy-microhei
/usr/share/fonts/wqy-microhei/wqy-microhei.ttc

[srj@x1c ~]# rpm -ql wqy-microhei-fonts

/etc/fonts/conf.d/65-wqy-microhei.conf

/usr/share/doc/wqy-microhei-fonts-0.2.0

/usr/share/doc/wqy-microhei-fonts-0.2.0/LICENSE_Apache2.txt

/usr/share/doc/wqy-microhei-fonts-0.2.0/LICENSE_GPLv3.txt

/usr/share/doc/wqy-microhei-fonts-0.2.0/README.txt

/usr/share/fontconfig/conf.avail/65-wqy-microhei.conf

/usr/share/fonts/wqy-microhei

/usr/share/fonts/wqy-microhei/wqy-microhei.ttc

最后一行是字体文件物理位置，很不幸用了独立子目录wqy-microhei，这在官方配置列表里是没有的，不过好在扩展名正则已经支持ttc字体了，之前只有ttf字体才可匹配到，所以很多老教程都是直接在源码里加路径加扩展名匹配来解决

那不改源码最简单的方法就是从配置里与系统最低耦合的~/.fonts用户目录来存放可识别字体：

cp /usr/share/fonts/wqy-microhei/wqy-microhei.ttc ~/.fonts/

1	cp /usr/share/fonts/wqy-microhei/wqy-microhei.ttc ~/.fonts/

最后重启odoo，设置-配置-常规设置-报表字体-重载字体，字体下拉里就可以直接选择或者搜索到WenQuanYi Micro Hei选择并应用生效后即可完美使用中文打印各种报表了

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