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Viewing changes to phatch/pyWx/lib/graphics.py

  • Committer: Bazaar Package Importer
  • Author(s): Emilio Pozuelo Monfort
  • Date: 2008-02-13 23:48:47 UTC
  • Revision ID: james.westby@ubuntu.com-20080213234847-mp6vc4y88a9rz5qz
Tags: upstream-0.1
Import upstream version 0.1

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phatch/pyWx/lib/graphics.py
 
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# Copyright (C) 2007-2008 www.stani.be
 
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#
 
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# This program is free software: you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation, either version 3 of the License, or
 
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# (at your option) any later version.
 
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#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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# 
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program.  If not, see http://www.gnu.org/licenses/
 
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import zlib
 
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from cStringIO import StringIO
 
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from urllib2 import urlopen
 
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import wx
 
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from formField import is_www_file
 
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def bitmap(icon,size=(48,48),client=wx.ART_OTHER):
 
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    if icon[:4]=='ART_':
 
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        return wx.ArtProvider_GetBitmap(getattr(wx,icon),client,size)
 
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    else:
 
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        return wx.BitmapFromImage(image(icon))
 
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def image(icon,size=(48,48)):
 
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    if icon[:4]=='ART_':
 
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        return wx.ImageFromBitmap(bitmap(icon,size))
 
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    else:
 
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        return wx.ImageFromStream(StringIO(zlib.decompress(icon)))
 
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CACHE = {}
 
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def bitmap_open(x,height=64):
 
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    try:
 
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        return CACHE[(x,height)]
 
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    except KeyError:
 
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        pass
 
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    if is_www_file(x):
 
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        im  = wx.ImageFromStream(StringIO(urlopen(x).read()))
 
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    else:
 
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        im  = wx.Image(x)
 
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    im  = CACHE[(x,height)] = im.Rescale(
 
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            float(height)*im.GetWidth()/im.GetHeight(),height
 
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        ).ConvertToBitmap()
 
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    return im
 
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