Files
pyfa/gui/bitmapLoader.py

98 lines
2.9 KiB
Python

# =============================================================================
# Copyright (C) 2010 Diego Duclos
#
# This file is part of pyfa.
#
# pyfa is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# pyfa is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with pyfa. If not, see <http://www.gnu.org/licenses/>.
# =============================================================================
import cStringIO
import os.path
import zipfile
from config import parsePath
# noinspection PyPackageRequirements
import wx
import config
try:
from collections import OrderedDict
except ImportError:
from utils.compat import OrderedDict
class BitmapLoader():
try:
archive = zipfile.ZipFile(config.getPyfaPath('imgs.zip'), 'r')
except IOError:
archive = None
cachedBitmaps = OrderedDict()
dontUseCachedBitmaps = False
max_bmps = 500
@classmethod
def getStaticBitmap(cls, name, parent, location):
static = wx.StaticBitmap(parent)
static.SetBitmap(cls.getBitmap(name, location))
return static
@classmethod
def getBitmap(cls, name, location):
if cls.dontUseCachedBitmaps:
img = cls.getImage(name, location)
if img is not None:
return img.ConvertToBitmap()
path = "%s%s" % (name, location)
if len(cls.cachedBitmaps) == cls.max_bmps:
cls.cachedBitmaps.popitem(False)
if path not in cls.cachedBitmaps:
img = cls.getImage(name, location)
if img is not None:
bmp = img.ConvertToBitmap()
else:
bmp = None
cls.cachedBitmaps[path] = bmp
else:
bmp = cls.cachedBitmaps[path]
return bmp
@classmethod
def getImage(cls, name, location):
filename = "{0}.png".format(name)
if cls.archive:
path = parsePath(location, filename)
if os.sep != "/" and os.sep in path:
path = path.replace(os.sep, "/")
try:
img_data = cls.archive.read(path)
sbuf = cStringIO.StringIO(img_data)
return wx.ImageFromStream(sbuf)
except KeyError:
print("Missing icon file from zip: {0}".format(path))
else:
path = config.getPyfaPath('imgs' + os.sep + location + os.sep + filename)
if os.path.exists(path):
return wx.Image(path)
else:
print("Missing icon file: {0}".format(path))