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#------------------------------------------------------------------------------
# Copyright (c) 2007, Riverbank Computing Limited
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD license.
# However, when used with the GPL version of PyQt the additional terms described in the PyQt GPL exception also apply
#
# Author: Riverbank Computing Limited
# Description: <Enthought pyface package component>
#------------------------------------------------------------------------------
# Standard library imports.
import os
# Major package imports.
from pyface.qt import QtGui
# 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.
###########################################################################
# Qt doesn't specifically require bitmaps anywhere so just use images.
create_bitmap = MImageResource.create_image
def create_icon(self, size=None):
ref = self._get_ref(size)
if ref is not None:
image = ref.load()
else:
image = self._get_image_not_found_image()
return QtGui.QIcon(image)
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.size()
return (size.width(), size.height())
###########################################################################
# Private interface.
###########################################################################
def _get_absolute_path(self):
# FIXME: This doesn't quite work 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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