1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup freestyle
*/
#include "BPy_ChainPredicateIterator.h"
#include "../BPy_BinaryPredicate1D.h"
#include "../BPy_Convert.h"
#include "../BPy_UnaryPredicate1D.h"
#include "../Interface1D/BPy_ViewEdge.h"
#ifdef __cplusplus
extern "C" {
#endif
using namespace Freestyle;
///////////////////////////////////////////////////////////////////////////////////////////
//------------------------INSTANCE METHODS ----------------------------------
PyDoc_STRVAR(
ChainPredicateIterator_doc,
"Class hierarchy: :class:`freestyle.types.Iterator` >\n"
":class:`freestyle.types.ViewEdgeIterator` >\n"
":class:`freestyle.types.ChainingIterator` >\n"
":class:`ChainPredicateIterator`\n"
"\n"
"A \"generic\" user-controlled ViewEdge iterator. This iterator is in\n"
"particular built from a unary predicate and a binary predicate.\n"
"First, the unary predicate is evaluated for all potential next\n"
"ViewEdges in order to only keep the ones respecting a certain\n"
"constraint. Then, the binary predicate is evaluated on the current\n"
"ViewEdge together with each ViewEdge of the previous selection. The\n"
"first ViewEdge respecting both the unary predicate and the binary\n"
"predicate is kept as the next one. If none of the potential next\n"
"ViewEdge respects these two predicates, None is returned.\n"
"\n"
".. method:: __init__(upred, bpred, restrict_to_selection=True, "
" restrict_to_unvisited=True, begin=None, "
" orientation=True)\n"
" __init__(brother)\n"
"\n"
" Builds a ChainPredicateIterator from a unary predicate, a binary\n"
" predicate, a starting ViewEdge and its orientation or using the copy constructor.\n"
"\n"
" :arg upred: The unary predicate that the next ViewEdge must satisfy.\n"
" :type upred: :class:`freestyle.types.UnaryPredicate1D`\n"
" :arg bpred: The binary predicate that the next ViewEdge must\n"
" satisfy together with the actual pointed ViewEdge.\n"
" :type bpred: :class:`freestyle.types.BinaryPredicate1D`\n"
" :arg restrict_to_selection: Indicates whether to force the chaining\n"
" to stay within the set of selected ViewEdges or not.\n"
" :type restrict_to_selection: bool\n"
" :arg restrict_to_unvisited: Indicates whether a ViewEdge that has\n"
" already been chained must be ignored ot not.\n"
" :type restrict_to_unvisited: bool\n"
" :arg begin: The ViewEdge from where to start the iteration.\n"
" :type begin: :class:`freestyle.types.ViewEdge` or None\n"
" :arg orientation: If true, we'll look for the next ViewEdge among\n"
" the ViewEdges that surround the ending ViewVertex of begin. If\n"
" false, we'll search over the ViewEdges surrounding the ending\n"
" ViewVertex of begin.\n"
" :type orientation: bool\n"
" :arg brother: A ChainPredicateIterator object.\n"
" :type brother: :class:`ChainPredicateIterator`");
static int check_begin(PyObject *obj, void *v)
{
if (obj != nullptr && obj != Py_None && !BPy_ViewEdge_Check(obj)) {
return 0;
}
*((PyObject **)v) = obj;
return 1;
}
static int ChainPredicateIterator_init(BPy_ChainPredicateIterator *self,
PyObject *args,
PyObject *kwds)
{
static const char *kwlist_1[] = {"brother", nullptr};
static const char *kwlist_2[] = {"upred",
"bpred",
"restrict_to_selection",
"restrict_to_unvisited",
"begin",
"orientation",
nullptr};
PyObject *obj1 = nullptr, *obj2 = nullptr, *obj3 = nullptr, *obj4 = nullptr, *obj5 = nullptr,
*obj6 = nullptr;
if (PyArg_ParseTupleAndKeywords(
args, kwds, "O!", (char **)kwlist_1, &ChainPredicateIterator_Type, &obj1)) {
self->cp_it = new ChainPredicateIterator(*(((BPy_ChainPredicateIterator *)obj1)->cp_it));
self->upred = ((BPy_ChainPredicateIterator *)obj1)->upred;
self->bpred = ((BPy_ChainPredicateIterator *)obj1)->bpred;
Py_INCREF(self->upred);
Py_INCREF(self->bpred);
}
else if ((void)PyErr_Clear(),
(void)(obj3 = obj4 = obj5 = obj6 = nullptr),
PyArg_ParseTupleAndKeywords(args,
kwds,
"O!O!|O!O!O&O!",
(char **)kwlist_2,
&UnaryPredicate1D_Type,
&obj1,
&BinaryPredicate1D_Type,
&obj2,
&PyBool_Type,
&obj3,
&PyBool_Type,
&obj4,
check_begin,
&obj5,
&PyBool_Type,
&obj6)) {
UnaryPredicate1D *up1D = ((BPy_UnaryPredicate1D *)obj1)->up1D;
BinaryPredicate1D *bp1D = ((BPy_BinaryPredicate1D *)obj2)->bp1D;
bool restrict_to_selection = (!obj3) ? true : bool_from_PyBool(obj3);
bool restrict_to_unvisited = (!obj4) ? true : bool_from_PyBool(obj4);
ViewEdge *begin = (!obj5 || obj5 == Py_None) ? nullptr : ((BPy_ViewEdge *)obj5)->ve;
bool orientation = (!obj6) ? true : bool_from_PyBool(obj6);
self->cp_it = new ChainPredicateIterator(
*up1D, *bp1D, restrict_to_selection, restrict_to_unvisited, begin, orientation);
self->upred = obj1;
self->bpred = obj2;
Py_INCREF(self->upred);
Py_INCREF(self->bpred);
}
else {
PyErr_SetString(PyExc_TypeError, "invalid argument(s)");
return -1;
}
self->py_c_it.c_it = self->cp_it;
self->py_c_it.py_ve_it.ve_it = self->cp_it;
self->py_c_it.py_ve_it.py_it.it = self->cp_it;
return 0;
}
static void ChainPredicateIterator_dealloc(BPy_ChainPredicateIterator *self)
{
Py_XDECREF(self->upred);
Py_XDECREF(self->bpred);
ChainingIterator_Type.tp_dealloc((PyObject *)self);
}
/*-----------------------BPy_ChainPredicateIterator type definition ----------------------------*/
PyTypeObject ChainPredicateIterator_Type = {
PyVarObject_HEAD_INIT(nullptr, 0) "ChainPredicateIterator", /* tp_name */
sizeof(BPy_ChainPredicateIterator), /* tp_basicsize */
0, /* tp_itemsize */
(destructor)ChainPredicateIterator_dealloc, /* tp_dealloc */
0, /* tp_vectorcall_offset */
nullptr, /* tp_getattr */
nullptr, /* tp_setattr */
nullptr, /* tp_reserved */
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 */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
ChainPredicateIterator_doc, /* tp_doc */
nullptr, /* tp_traverse */
nullptr, /* tp_clear */
nullptr, /* tp_richcompare */
0, /* tp_weaklistoffset */
nullptr, /* tp_iter */
nullptr, /* tp_iternext */
nullptr, /* tp_methods */
nullptr, /* tp_members */
nullptr, /* tp_getset */
&ChainingIterator_Type, /* tp_base */
nullptr, /* tp_dict */
nullptr, /* tp_descr_get */
nullptr, /* tp_descr_set */
0, /* tp_dictoffset */
(initproc)ChainPredicateIterator_init, /* tp_init */
nullptr, /* tp_alloc */
nullptr, /* tp_new */
};
///////////////////////////////////////////////////////////////////////////////////////////
#ifdef __cplusplus
}
#endif
|
