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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.
#
#------------------------------------------------------------------------------
""" Enthought pyface package component
"""
# Standard library imports.
import os
# Major package imports.
import wx
# Enthought library imports.
from traits.api import Any, HasTraits, List, Property, provides
from traits.api import Unicode
# Local imports.
from pyface.i_image_resource import IImageResource, MImageResource
@provides(IImageResource)
class ImageResource(MImageResource, HasTraits):
""" The toolkit specific implementation of an ImageResource. See the
IImageResource interface for the API documentation.
"""
#### Private interface ####################################################
# The resource manager reference for the image.
_ref = Any
#### 'ImageResource' interface ############################################
absolute_path = Property(Unicode)
name = Unicode
search_path = List
###########################################################################
# 'ImageResource' interface.
###########################################################################
def create_bitmap(self, size=None):
return self.create_image(size).ConvertToBitmap()
def create_icon(self, size=None):
ref = self._get_ref(size)
if ref is not None:
icon = wx.Icon(self.absolute_path, wx.BITMAP_TYPE_ICO)
else:
image = self._get_image_not_found_image()
# We have to convert the image to a bitmap first and then create an
# icon from that.
bmp = image.ConvertToBitmap()
icon = wx.EmptyIcon()
icon.CopyFromBitmap(bmp)
return icon
def image_size(cls, image):
""" Get the size of a toolkit image
Parameters
----------
image : toolkit image
A toolkit image to compute the size of.
Returns
-------
size : tuple
The (width, height) tuple giving the size of the image.
"""
size = image.GetSize()
return size.Get()
###########################################################################
# Private interface.
###########################################################################
def _get_absolute_path(self):
# FIXME: This doesn't quite wotk the new notion of image size. We
# should find out who is actually using this trait, and for what!
# (AboutDialog uses it to include the path name in some HTML.)
ref = self._get_ref()
if ref is not None:
absolute_path = os.path.abspath(self._ref.filename)
else:
absolute_path = self._get_image_not_found().absolute_path
return absolute_path
#### EOF ######################################################################
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