def call(self, function, args, output_args, limit_choices=None):
if function.image_types_must_match and limit_choices is not None:
choices = self._get_choices_for_pixel_type(limit_choices)
else:
choices = self._get_choices()
result = "switch(get_image_combination(%(pysymbol)s)) {\n" % self
for choice, pixel_type in choices:
result += "case %s:\n" % choice.upper()
new_output_args = output_args + ["*((%s*)%s)" % (choice, self.symbol)]
if len(args) == 0:
result += self._do_call(function, new_output_args)
else:
if limit_choices is None:
result += args[0].call(function, args[1:], new_output_args, pixel_type)
else:
result += args[0].call(function, args[1:], new_output_args, limit_choices)
result += "break;\n"
result += "default:\n"
acceptable_types = [util.get_pixel_type_name(y).upper() for x, y in choices]
if len(acceptable_types) >= 2:
phrase = "values are"
acceptable_types[-1] = "and " + acceptable_types[-1]
else:
phrase = "value is"
acceptable_types = ", ".join(acceptable_types)
result += ('PyErr_Format(PyExc_TypeError,'
'"The \'%s\' argument of \'%s\' can not have pixel type \'%%s\'. '
'Acceptable %s %s."'
', get_pixel_type_name(%s));\nreturn 0;\n' %
(self.name, function.__name__, phrase, acceptable_types, self.pysymbol))
result += "}\n"
return result
def _get_choices_for_pixel_type(self, pixel_type):
if pixel_type == ONEBIT:
result = [
"OneBitImageView", "Cc", "OneBitRleImageView", "RleCc", "MlCc"
]
else:
result = [util.get_pixel_type_name(pixel_type) + "ImageView"]
return [(x, pixel_type) for x in result]
def rest_repr(self, name=False):
result = '``Image`` [%s]' % '|'.join([util.get_pixel_type_name(x) for x in self.pixel_types])
if name:
result += " *%s*" % self.name
if self.list_of:
result = "[%s]" % result
if self.has_default:
result += " = %s" % str(self.default)
return result
def pixel_type_name(self):
"""String **pixel_type_name** ()
Returns a string representing the pixel type of the image. Intended
primarily for display (GUI) purposes, since using the integer values
in ``Image.data.pixel_type`` is more efficient.
See `pixel types`_ for more information."""
return util.get_pixel_type_name(self.data.pixel_type)
def rest_repr(self, name=False):
result = '``Image`` [%s]' % '|'.join(
[util.get_pixel_type_name(x) for x in self.pixel_types])
if name:
result += " *%s*" % self.name
if self.list_of:
result = "[%s]" % result
if self.has_default:
result += " = %s" % str(self.default)
return result
def call(self, function, args, output_args, limit_choices=None):
if limit_choices is None:
raise RuntimeError("You can not create a plugin that takes a Pixel argument that does not have a self type")
pixel_type = limit_choices
new_output_args = (output_args +
["pixel_from_python<%sPixel>::convert(%s)" %
(util.get_pixel_type_name(pixel_type), self.pysymbol)])
if len(args) == 0:
return self._do_call(function, new_output_args)
else:
return args[0].call(function, args[1:], new_output_args, limit_choices)
def call(self, function, args, output_args, limit_choices=None):
if limit_choices is None:
raise RuntimeError(
"You can not create a plugin that takes a Pixel argument that does not have a self type"
)
pixel_type = limit_choices
new_output_args = (output_args + [
"pixel_from_python<%sPixel>::convert(%s)" %
(util.get_pixel_type_name(pixel_type), self.pysymbol)
])
if len(args) == 0:
return self._do_call(function, new_output_args)
else:
return args[0].call(function, args[1:], new_output_args,
limit_choices)
def call(self, function, args, output_args, limit_choices=None):
if function.image_types_must_match and limit_choices is not None:
choices = self._get_choices_for_pixel_type(limit_choices)
else:
choices = self._get_choices()
result = "switch(get_image_combination(%(pysymbol)s)) {\n" % self
for choice, pixel_type in choices:
result += "case %s:\n" % choice.upper()
new_output_args = output_args + [
"*((%s*)%s)" % (choice, self.symbol)
]
if len(args) == 0:
result += self._do_call(function, new_output_args)
else:
if limit_choices is None:
result += args[0].call(function, args[1:], new_output_args,
pixel_type)
else:
result += args[0].call(function, args[1:], new_output_args,
limit_choices)
result += "break;\n"
result += "default:\n"
acceptable_types = [
util.get_pixel_type_name(y).upper() for x, y in choices
]
if len(acceptable_types) >= 2:
phrase = "values are"
acceptable_types[-1] = "and " + acceptable_types[-1]
else:
phrase = "value is"
acceptable_types = ", ".join(acceptable_types)
result += (
'PyErr_Format(PyExc_TypeError,'
'"The \'%s\' argument of \'%s\' can not have pixel type \'%%s\'. '
'Acceptable %s %s."'
', get_pixel_type_name(%s));\nreturn 0;\n' %
(self.name, function.__name__, phrase, acceptable_types,
self.pysymbol))
result += "}\n"
return result
def _get_choices_for_pixel_type(self, pixel_type):
if pixel_type == ONEBIT:
result = ["OneBitImageView", "Cc", "OneBitRleImageView", "RleCc", "MlCc"]
else:
result = [util.get_pixel_type_name(pixel_type) + "ImageView"]
return [(x, pixel_type) for x in result]
