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#------------------------------------------------------------------------------
# Copyright (c) 2005, Enthought, Inc.
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in enthought/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!
#
# Author: Enthought, Inc.
# Description: <Enthought pyface package component>
#------------------------------------------------------------------------------
""" A shared resource manager for Pyface. """
# Standard library imports.
import os, tempfile
# Major package imports.
import wx
# Enthought library imports.
from enthought.resource.api import ResourceFactory, ResourceManager
class PyfaceResourceFactory(ResourceFactory):
""" Creates resources. """
def __init__(self):
""" Creates a new resource factory. """
# Initialize the wx image handlers.
wx.InitAllImageHandlers()
return
###########################################################################
# 'ResourceFactory' interface.
###########################################################################
def image_from_file(self, filename):
""" Creates an image from the data in the specified filename. """
# Load the image from the file and add it to the list.
#
# N.B 'wx.BITMAP_TYPE_ANY' tells wxPython to attempt to autodetect the
# --- image format.
image = wx.Image(filename, wx.BITMAP_TYPE_ANY)
return image
def image_from_data(self, data):
""" Creates an image from the specified data. """
# fixme: 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.
os.close(handle)
os.unlink(filename)
return image
# A shared instance.
resource_manager = ResourceManager(
resource_factory = PyfaceResourceFactory()
)
#### EOF ######################################################################
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