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# (C) Copyright 2005-2023 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 http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
""" Enthought pyface package component
"""
import os
import tempfile
from io import BytesIO
import wx
from pyface.resource.api import ResourceFactory
class PyfaceResourceFactory(ResourceFactory):
""" The implementation of a shared resource manager. """
# ------------------------------------------------------------------------
# 'ResourceFactory' toolkit interface.
# ------------------------------------------------------------------------
def image_from_file(self, filename):
""" Creates an image from the data in the specified filename. """
# N.B 'wx.BITMAP_TYPE_ANY' tells wxPython to attempt to autodetect the
# --- image format.
return wx.Image(filename, wx.BITMAP_TYPE_ANY)
def image_from_data(self, data, filename=None):
""" Creates an image from the specified data. """
return wx.Image(BytesIO(data))
handle = None
if filename is None:
# If there is currently no way in wx to create an image from data,
# we have write it out to a temporary file and then read it back in:
handle, filename = tempfile.mkstemp()
# Write it out...
tf = open(filename, "wb")
tf.write(data)
tf.close()
# ... and read it back in! Lovely 8^()
image = wx.Image(filename, wx.BITMAP_TYPE_ANY)
# Remove the temporary file.
if handle is not None:
os.close(handle)
os.unlink(filename)
return image
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