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/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup freestyle
*/
#include "BPy_orientedViewEdgeIterator.h"
#include "../BPy_Convert.h"
#ifdef __cplusplus
extern "C" {
#endif
using namespace Freestyle;
///////////////////////////////////////////////////////////////////////////////////////////
//------------------------INSTANCE METHODS ----------------------------------
PyDoc_STRVAR(orientedViewEdgeIterator_doc,
"Class hierarchy: :class:`Iterator` > :class:`orientedViewEdgeIterator`\n"
"\n"
"Class representing an iterator over oriented ViewEdges around a\n"
":class:`ViewVertex`. This iterator allows a CCW iteration (in the image\n"
"plane). An instance of an orientedViewEdgeIterator can only be\n"
"obtained from a ViewVertex by calling edges_begin() or edges_end().\n"
"\n"
".. method:: __init__()\n"
" __init__(iBrother)\n"
"\n"
" Creates an :class:`orientedViewEdgeIterator` using either the\n"
" default constructor or the copy constructor.\n"
"\n"
" :arg iBrother: An orientedViewEdgeIterator object.\n"
" :type iBrother: :class:`orientedViewEdgeIterator`");
static int orientedViewEdgeIterator_init(BPy_orientedViewEdgeIterator *self,
PyObject *args,
PyObject *kwds)
{
static const char *kwlist[] = {"brother", nullptr};
PyObject *brother = nullptr;
if (!PyArg_ParseTupleAndKeywords(
args, kwds, "|O!", (char **)kwlist, &orientedViewEdgeIterator_Type, &brother)) {
return -1;
}
if (!brother) {
self->ove_it = new ViewVertexInternal::orientedViewEdgeIterator();
self->at_start = true;
self->reversed = false;
}
else {
self->ove_it = new ViewVertexInternal::orientedViewEdgeIterator(
*(((BPy_orientedViewEdgeIterator *)brother)->ove_it));
self->at_start = ((BPy_orientedViewEdgeIterator *)brother)->at_start;
self->reversed = ((BPy_orientedViewEdgeIterator *)brother)->reversed;
}
self->py_it.it = self->ove_it;
return 0;
}
static PyObject *orientedViewEdgeIterator_iter(BPy_orientedViewEdgeIterator *self)
{
Py_INCREF(self);
self->at_start = true;
return (PyObject *)self;
}
static PyObject *orientedViewEdgeIterator_iternext(BPy_orientedViewEdgeIterator *self)
{
if (self->reversed) {
if (self->ove_it->isBegin()) {
PyErr_SetNone(PyExc_StopIteration);
return nullptr;
}
self->ove_it->decrement();
}
else {
if (self->ove_it->isEnd()) {
PyErr_SetNone(PyExc_StopIteration);
return nullptr;
}
if (self->at_start) {
self->at_start = false;
}
else {
self->ove_it->increment();
if (self->ove_it->isEnd()) {
PyErr_SetNone(PyExc_StopIteration);
return nullptr;
}
}
}
ViewVertex::directedViewEdge *dve = self->ove_it->operator->();
return BPy_directedViewEdge_from_directedViewEdge(*dve);
}
/*----------------------orientedViewEdgeIterator get/setters ----------------------------*/
PyDoc_STRVAR(orientedViewEdgeIterator_object_doc,
"The oriented ViewEdge (i.e., a tuple of the pointed ViewEdge and a boolean\n"
"value) currently pointed to by this iterator. If the boolean value is true,\n"
"the ViewEdge is incoming.\n"
"\n"
":type: (:class:`ViewEdge`, bool)");
static PyObject *orientedViewEdgeIterator_object_get(BPy_orientedViewEdgeIterator *self,
void * /*closure*/)
{
if (self->ove_it->isEnd()) {
PyErr_SetString(PyExc_RuntimeError, "iteration has stopped");
return nullptr;
}
return BPy_directedViewEdge_from_directedViewEdge(self->ove_it->operator*());
}
static PyGetSetDef BPy_orientedViewEdgeIterator_getseters[] = {
{"object",
(getter)orientedViewEdgeIterator_object_get,
(setter) nullptr,
orientedViewEdgeIterator_object_doc,
nullptr},
{nullptr, nullptr, nullptr, nullptr, nullptr} /* Sentinel */
};
/*-----------------------BPy_orientedViewEdgeIterator type definition ---------------------------*/
PyTypeObject orientedViewEdgeIterator_Type = {
PyVarObject_HEAD_INIT(nullptr, 0)
/*tp_name*/ "orientedViewEdgeIterator",
/*tp_basicsize*/ sizeof(BPy_orientedViewEdgeIterator),
/*tp_itemsize*/ 0,
/*tp_dealloc*/ nullptr,
/*tp_vectorcall_offset*/ 0,
/*tp_getattr*/ nullptr,
/*tp_setattr*/ nullptr,
/*tp_as_async*/ nullptr,
/*tp_repr*/ nullptr,
/*tp_as_number*/ nullptr,
/*tp_as_sequence*/ nullptr,
/*tp_as_mapping*/ nullptr,
/*tp_hash*/ nullptr,
/*tp_call*/ nullptr,
/*tp_str*/ nullptr,
/*tp_getattro*/ nullptr,
/*tp_setattro*/ nullptr,
/*tp_as_buffer*/ nullptr,
/*tp_flags*/ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
/*tp_doc*/ orientedViewEdgeIterator_doc,
/*tp_traverse*/ nullptr,
/*tp_clear*/ nullptr,
/*tp_richcompare*/ nullptr,
/*tp_weaklistoffset*/ 0,
/*tp_iter*/ (getiterfunc)orientedViewEdgeIterator_iter,
/*tp_iternext*/ (iternextfunc)orientedViewEdgeIterator_iternext,
/*tp_methods*/ nullptr,
/*tp_members*/ nullptr,
/*tp_getset*/ BPy_orientedViewEdgeIterator_getseters,
/*tp_base*/ &Iterator_Type,
/*tp_dict*/ nullptr,
/*tp_descr_get*/ nullptr,
/*tp_descr_set*/ nullptr,
/*tp_dictoffset*/ 0,
/*tp_init*/ (initproc)orientedViewEdgeIterator_init,
/*tp_alloc*/ nullptr,
/*tp_new*/ nullptr,
};
///////////////////////////////////////////////////////////////////////////////////////////
#ifdef __cplusplus
}
#endif
|
