def random_wallpaper_files(directory, minnumber=0, maxnumber=100):
"""Generates random wallpaper files in the specified directory
@returns: a list of filenames (the basenames including the extension)
"""
names=[gen_string(minlength=10, maxlength=50) for i in range(random.randrange(minnumber, maxnumber))]
print "Generating",len(names),"wallpaper files"
from wxPython.lib import colourdb
colourdb.updateColourDB()
colours=colourdb.getColourList()
penstyles=[ wx.SOLID, wx.DOT, wx.LONG_DASH, wx.SHORT_DASH, wx.CROSS_HATCH ]
types=[ (wx.BITMAP_TYPE_BMP, ".bmp"), (wx.BITMAP_TYPE_JPEG, ".jpg"), (wx.BITMAP_TYPE_PNG, ".png")]
for n in range(len(names)):
width=random.randrange(1,200)
height=random.randrange(1,200)
bitmap=wx.EmptyBitmap(width, height)
mdc=wx.MemoryDC()
mdc.SelectObject(bitmap)
mdc.Clear()
for i in range(random.randrange(1,200)):
pen=wx.Pen(random.choice(colours), random.randrange(1,10), random.choice(penstyles))
mdc.SetPen(pen)
mdc.DrawLine(random.randrange(0,width), random.randrange(0,height), random.randrange(0,width), random.randrange(0, height))
t,e=random.choice(types)
names[n]=names[n]+e
mdc.SelectObject(wx.NullBitmap)
bitmap.SaveFile(os.path.join(directory, names[n]), t)
print " ... generation complete"
return names
def coerce(cls, value): """Attempt to convert the given value to a wx.Colour Accepted Values: wx.Colour(Ptr) '#FFFFFF' style strings 'black' string colour names 3-tuple or 3-list of 0-255 integers None -- (gives black) """ if cls.check( value ): return value elif isinstance( value, (str,unicode) ): if value and value[0] == '#': rest = value[1:] if rest: value = int( rest, 16) return wx.Colour( value >> 16 & 255, value >> 8 & 255, value & 255 ) else: return wx.Colour( 0,0,0) else: try: obj = wx.Colour( value ) except (ValueError,TypeError): global COLOUR_DB_INITIALISED if not COLOUR_DB_INITIALISED: COLOUR_DB_INITIALISED = 1 colourdb.updateColourDB() obj = wx.NamedColour( value ) if not obj.Ok(): raise ValueError( """Unrecognised string value %r for Colour value"""%(value)) elif isinstance( value, (tuple,list) ): if len(value) == 3: obj = wx.Colour( *value ) else: raise ValueError( """Unable to create wx.Colour from %r, incorrect length"""%( value )) elif value is None: return wx.Colour( 0,0,0) else: raise TypeError( """Unable to convert value %r (type %s) to wx.Colour object"""%( value, type(value))) return obj
def random_wallpaper_files(directory, minnumber=0, maxnumber=100):
"""Generates random wallpaper files in the specified directory
@returns: a list of filenames (the basenames including the extension)
"""
names = [
gen_string(minlength=10, maxlength=50)
for i in range(random.randrange(minnumber, maxnumber))
]
print "Generating", len(names), "wallpaper files"
from wxPython.lib import colourdb
colourdb.updateColourDB()
colours = colourdb.getColourList()
penstyles = [wx.SOLID, wx.DOT, wx.LONG_DASH, wx.SHORT_DASH, wx.CROSS_HATCH]
types = [(wx.BITMAP_TYPE_BMP, ".bmp"), (wx.BITMAP_TYPE_JPEG, ".jpg"),
(wx.BITMAP_TYPE_PNG, ".png")]
for n in range(len(names)):
width = random.randrange(1, 200)
height = random.randrange(1, 200)
bitmap = wx.EmptyBitmap(width, height)
mdc = wx.MemoryDC()
mdc.SelectObject(bitmap)
mdc.Clear()
for i in range(random.randrange(1, 200)):
pen = wx.Pen(random.choice(colours), random.randrange(1, 10),
random.choice(penstyles))
mdc.SetPen(pen)
mdc.DrawLine(random.randrange(0,
width), random.randrange(0, height),
random.randrange(0, width),
random.randrange(0, height))
t, e = random.choice(types)
names[n] = names[n] + e
mdc.SelectObject(wx.NullBitmap)
bitmap.SaveFile(os.path.join(directory, names[n]), t)
print " ... generation complete"
return names
