Source code for kiva.fonttools.app_font

# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
# All rights reserved.
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at
# Thanks for using Enthought open source!
import logging
import warnings

from kiva.fonttools.font_manager import default_font_manager

logger = logging.getLogger(__name__)

[docs]def add_application_fonts(filenames): """ Add a TrueType font to the system in a way that makes it available to both the GUI toolkit and Kiva. Parameters ---------- filenames : list of str Filesystem paths of TrueType or OpenType font files. """ if isinstance(filenames, str): filenames = [filenames]"Installing additonal fonts: {filenames}") # Handle Kiva fm = default_font_manager() fm.update_fonts(filenames) logger.debug("Additional fonts installed into Kiva backends.") # Handle the GUI toolkit try: from pyface.toolkit import toolkit except ImportError: toolkit = None logger.exception( "Pyface not available, Kiva fonts not installed into toolkit." ) if toolkit is not None: if toolkit.toolkit.startswith("qt"): _qt_impl(filenames) elif toolkit.toolkit == "wx": _wx_impl(filenames)
def _qt_impl(filenames): from pyface.qt import QtGui for fname in filenames: QtGui.QFontDatabase.addApplicationFont(fname) logger.debug("Additional fonts installed into Qt toolkit.") def _wx_impl(filenames): import wx if hasattr(wx.Font, "CanUsePrivateFont") and wx.Font.CanUsePrivateFont(): for fname in filenames: wx.Font.AddPrivateFont(fname) logger.debug("Additional fonts installed into Wx toolkit.") else: warnings.warn("Wx does not support private fonts! Failed to add.")