def __getitem__(self, *args):
"""return slice as a string."""
if IS_PY3:
return array.__getitem__(self, *args).tostring().decode("ascii")
else:
return array.__getitem__(self, *args).tostring()
def __getitem__(self, *args):
"""return slice as a string."""
if IS_PY3:
return array.__getitem__(self, *args).tostring().decode("ascii")
else:
return array.__getitem__(self, *args).tostring()
class Image(array):
def __new__(cls, w, h, typecode='d', data=None):
self = array.__new__(cls, typecode)
return self
def __init__(self, w, h, typecode='d', data=None):
self.width = w
self.height = h
if data is None:
self.append(0)
self *= w*h
elif isinstance(data, file):
self.fromfile(data, w * h)
else:
self.extend(data)
def new(self, width=None, height=None, typecode=None):
if width is None:
width = self.width
if height is None:
height = self.height
if typecode is None:
typecode = self.typecode
return Image(width, height, typecode)
def clone(self):
return Image(self.width, self.height, self.typecode, self)
def _idx(self, x, y):
if 0 <= x < self.width and 0 <= y < self.height:
return y*self.width + x
raise IndexError
def __getitem__(self, (x, y)):
return array.__getitem__(self, self._idx(x, y))
def __getitem__(self, i):
assert len(self) == 256
return array.__getitem__(self, i & 255)
def __getitem__(self, i):
if i < 0 or i >= len(self):
return 0
return array.__getitem__(self, i) # ID: get
def __getitem__(self, i):
assert len(self) == 256
return array.__getitem__(self, i & 255)
def __getitem__(self, i):
if i < 0 or i >= len(self):
return 0
return array.__getitem__(self, i) # ID: get
def __getitem__(self, i):
return array.__getitem__(self, 0)
def __getitem__(self, i):
return array.__getitem__(self, 0)
def __getitem__(self, i):
assert len(self) == 65536
return array.__getitem__(self, i & 65535)
class ZeroPaddedImage(Image):
def __getitem__(self, (x, y)):
try:
return array.__getitem__(self, self._idx(x, y))
except IndexError:
return 0
