def test_constructor_with_file():
w = Image(StringIO(GIF))
assert 'GIF' == w.format
assert (1,1) == w.size
size = api.size_t()
b = api.MagickGetImageBlob(w._wand, size)
assert GIF == ''.join([chr(b[i]) for i in range(0, size.value + 1)])
def save(self, file=None):
''' Saves the image to a file. If no file is specified, the file is
saved with the original filename.'''
if hasattr(file, 'write'):
size = api.size_t()
b = api.MagickGetImageBlob(self._wand, size)
try:
file.write(''.join([chr(b[i]) for i in range(0, size.value + 1)]))
finally:
api.MagickRelinquishMemory(b)
else:
self._check_wand_error(api.MagickWriteImage(self._wand, file))
def dump(self, type=None):
''' Save the image to a buffer, if no type is specified, original type is used.
returns image'''
if type:
api.MagickSetFilename(self._wand, 'buffer.%s' % type) # hint image type
result = ''
size = api.size_t()
b = api.MagickGetImageBlob(self._wand, size)
try:
result = ''.join([chr(b[i]) for i in range(0, size.value + 1)])
finally:
api.MagickRelinquishMemory(b)
return result
def test_constructor_with_eps_file():
w = Image(StringIO(EPS))
assert 'EPS' == w.format
size = api.size_t()
b = api.MagickGetImageBlob(w._wand, size)
assert EPS == ''.join([chr(b[i]) for i in range(0, size.value + 1)])
