static PyObject *Color_subscript(ColorObject *self, PyObject *item)
{
if (PyIndex_Check(item)) {
Py_ssize_t i;
i = PyNumber_AsSsize_t(item, PyExc_IndexError);
if (i == -1 && PyErr_Occurred())
return NULL;
if (i < 0)
i += COLOR_SIZE;
return Color_item(self, i);
}
else if (PySlice_Check(item)) {
Py_ssize_t start, stop, step, slicelength;
if (PySlice_GetIndicesEx((void *)item, COLOR_SIZE, &start, &stop, &step, &slicelength) < 0)
return NULL;
if (slicelength <= 0) {
return PyTuple_New(0);
}
else if (step == 1) {
return Color_slice(self, start, stop);
}
else {
PyErr_SetString(PyExc_IndexError,
"slice steps not supported with color");
return NULL;
}
}
else {
PyErr_Format(PyExc_TypeError,
"color indices must be integers, not %.200s",
Py_TYPE(item)->tp_name);
return NULL;
}
}
static PyObject *Color_channel_get(ColorObject *self, void *type)
{
return Color_item(self, GET_INT_FROM_POINTER(type));
}
