196 lines
8.6 KiB
Python
196 lines
8.6 KiB
Python
# -*- coding: utf-8 -*-
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##############################################################################
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#
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# OpenERP, Open Source Management Solution
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# Copyright (C) 2004-2009 P. Christeas, Tiny SPRL (<http://tiny.be>).
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# Copyright (C) 2010-2013 OpenERP SA. (http://www.openerp.com)
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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##############################################################################
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from reportlab import rl_config
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from reportlab.pdfbase import pdfmetrics, ttfonts
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import logging
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import os,platform
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# .apidoc title: TTF Font Table
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"""This module allows the mapping of some system-available TTF fonts to
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the reportlab engine.
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This file could be customized per distro (although most Linux/Unix ones)
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should have the same filenames, only need the code below).
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Due to an awful configuration that ships with reportlab at many Linux
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and Ubuntu distros, we have to override the search path, too.
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"""
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_fonts_cache = {'registered_fonts':[], 'total_system_fonts': 0}
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_logger = logging.getLogger(__name__)
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CustomTTFonts = [ ('Helvetica', "DejaVu Sans", "DejaVuSans.ttf", 'normal'),
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('Helvetica', "DejaVu Sans Bold", "DejaVuSans-Bold.ttf", 'bold'),
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('Helvetica', "DejaVu Sans Oblique", "DejaVuSans-Oblique.ttf", 'italic'),
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('Helvetica', "DejaVu Sans BoldOblique", "DejaVuSans-BoldOblique.ttf", 'bolditalic'),
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('Times', "Liberation Serif", "LiberationSerif-Regular.ttf", 'normal'),
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('Times', "Liberation Serif Bold", "LiberationSerif-Bold.ttf", 'bold'),
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('Times', "Liberation Serif Italic", "LiberationSerif-Italic.ttf", 'italic'),
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('Times', "Liberation Serif BoldItalic", "LiberationSerif-BoldItalic.ttf", 'bolditalic'),
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('Times-Roman', "Liberation Serif", "LiberationSerif-Regular.ttf", 'normal'),
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('Times-Roman', "Liberation Serif Bold", "LiberationSerif-Bold.ttf", 'bold'),
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('Times-Roman', "Liberation Serif Italic", "LiberationSerif-Italic.ttf", 'italic'),
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('Times-Roman', "Liberation Serif BoldItalic", "LiberationSerif-BoldItalic.ttf", 'bolditalic'),
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('Courier', "FreeMono", "FreeMono.ttf", 'normal'),
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('Courier', "FreeMono Bold", "FreeMonoBold.ttf", 'bold'),
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('Courier', "FreeMono Oblique", "FreeMonoOblique.ttf", 'italic'),
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('Courier', "FreeMono BoldOblique", "FreeMonoBoldOblique.ttf", 'bolditalic'),
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# Sun-ExtA can be downloaded from http://okuc.net/SunWb/
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('Sun-ExtA', "Sun-ExtA", "Sun-ExtA.ttf", 'normal'),
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]
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TTFSearchPath_Linux = [
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'/usr/share/fonts/truetype', # SuSE
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'/usr/share/fonts/dejavu', '/usr/share/fonts/liberation', # Fedora, RHEL
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'/usr/share/fonts/truetype/*','/usr/local/share/fonts' # Ubuntu,
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'/usr/share/fonts/TTF/*', # at Mandriva/Mageia
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'/usr/share/fonts/TTF', # Arch Linux
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'/usr/lib/openoffice/share/fonts/truetype/',
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]
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TTFSearchPath_Windows = [
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'c:/winnt/fonts',
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'c:/windows/fonts'
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]
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TTFSearchPath_Darwin = [
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#mac os X - from
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#http://developer.apple.com/technotes/tn/tn2024.html
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'~/Library/Fonts',
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'/Library/Fonts',
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'/Network/Library/Fonts',
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'/System/Library/Fonts',
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]
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TTFSearchPathMap = {
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'Darwin': TTFSearchPath_Darwin,
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'Windows': TTFSearchPath_Windows,
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'Linux': TTFSearchPath_Linux,
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}
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__foundFonts = None
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def linux_home_fonts():
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"""
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This function appends local font directory in TTFSearchPath_Linux.
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"""
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home = os.environ.get('HOME')
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if home is not None:
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# user fonts on OSX
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path = os.path.join(home, 'Library', 'Fonts')
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path = os.path.join(home, '.fonts')
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TTFSearchPath_Linux.append(path)
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def all_sysfonts_list():
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"""
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This function returns list of font directories of system.
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"""
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searchpath = []
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filepath = []
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global __foundFonts
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__foundFonts = {}
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local_platform = platform.system()
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if local_platform in TTFSearchPathMap:
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if local_platform == 'Linux':
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linux_home_fonts()
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searchpath += TTFSearchPathMap[local_platform]
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# Append the original search path of reportlab (at the end)
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searchpath += rl_config.TTFSearchPath
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searchpath = list(set(searchpath))
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for dirname in searchpath:
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if os.path.exists(dirname):
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for filename in [x for x in os.listdir(dirname) if x.lower().endswith('.ttf')]:
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filepath.append(os.path.join(dirname, filename))
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__foundFonts[filename]=os.path.join(dirname, filename)
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return filepath
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def set_mode(font_info, dirname):
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return {
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'regular':(font_info.familyName, font_info.name, dirname.split('/')[-1], 'regular'),
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'italic':(),
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'bold':(font_info.familyName, font_info.name, dirname.split('/')[-1], 'bold'),
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'bolditalic':(),
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}
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def RegisterCustomFonts():
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"""
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This function prepares a list for all system fonts to be registered
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in reportlab and returns the updated list with new fonts.
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"""
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all_system_fonts = sorted(all_sysfonts_list())
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if len(all_system_fonts) > _fonts_cache['total_system_fonts']:
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all_mode = {}
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last_family = ""
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for i,dirname in enumerate(all_system_fonts):
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try:
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font_info = ttfonts.TTFontFile(dirname)
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if not last_family:
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last_family = font_info.familyName
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if not all_mode:
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all_mode = set_mode(font_info, dirname)
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if (last_family != font_info.familyName) or ((i+1) == len(all_system_fonts)):
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if not all_mode['italic']:
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all_mode['italic'] = all_mode['regular'][:3]+('italic',)
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if not all_mode['bolditalic']:
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all_mode['bolditalic'] = all_mode['bold'][:3]+('bolditalic',)
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CustomTTFonts.extend(all_mode.values())
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all_mode = set_mode(font_info, dirname)
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mode = font_info.styleName.lower().replace(" ", "")
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if (mode== 'normal') or (mode == 'regular') or (mode == 'medium') or (mode == 'book'):
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all_mode['regular'] = (font_info.familyName, font_info.name, dirname.split('/')[-1], 'regular')
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elif (mode == 'italic') or (mode == 'oblique'):
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all_mode['italic'] = (font_info.familyName, font_info.name, dirname.split('/')[-1], 'italic')
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elif mode == 'bold':
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all_mode['bold'] = (font_info.familyName, font_info.name, dirname.split('/')[-1], 'bold')
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elif (mode == 'bolditalic') or (mode == 'boldoblique'):
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all_mode['bolditalic'] = (font_info.familyName, font_info.name, dirname.split('/')[-1], 'bolditalic')
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last_family = font_info.familyName
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_fonts_cache['registered_fonts'].append((font_info.name, font_info.name))
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_logger.debug("Found font %s at %s", font_info.name, dirname)
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except:
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_logger.warning("Could not register Font %s", dirname)
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_fonts_cache['total_system_fonts'] = len(all_system_fonts)
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_fonts_cache['registered_fonts'] = list(set(_fonts_cache['registered_fonts']))
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return _fonts_cache['registered_fonts']
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def SetCustomFonts(rmldoc):
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""" Map some font names to the corresponding TTF fonts
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The ttf font may not even have the same name, as in
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Times -> Liberation Serif.
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This function is called once per report, so it should
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avoid system-wide processing (cache it, instead).
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"""
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if not _fonts_cache['registered_fonts']:
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RegisterCustomFonts()
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for name, font, filename, mode in CustomTTFonts:
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if os.path.isabs(filename) and os.path.exists(filename):
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rmldoc.setTTFontMapping(name, font, filename, mode)
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elif filename in __foundFonts:
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rmldoc.setTTFontMapping(name, font, __foundFonts[filename], mode)
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return True
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# eof
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# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
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