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Diffstat (limited to 'source/blender/freestyle/intern/python/Iterator/BPy_StrokeVertexIterator.cpp')
| -rw-r--r-- | source/blender/freestyle/intern/python/Iterator/BPy_StrokeVertexIterator.cpp | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/source/blender/freestyle/intern/python/Iterator/BPy_StrokeVertexIterator.cpp b/source/blender/freestyle/intern/python/Iterator/BPy_StrokeVertexIterator.cpp new file mode 100644 index 00000000000..889e29b6f42 --- /dev/null +++ b/source/blender/freestyle/intern/python/Iterator/BPy_StrokeVertexIterator.cpp @@ -0,0 +1,202 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2010 Blender Foundation. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): none yet. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file source/blender/freestyle/intern/python/Iterator/BPy_StrokeVertexIterator.cpp + * \ingroup freestyle + */ + +#include "BPy_StrokeVertexIterator.h" + +#include "../BPy_Convert.h" +#include "BPy_Interface0DIterator.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/////////////////////////////////////////////////////////////////////////////////////////// + +//------------------------INSTANCE METHODS ---------------------------------- + +PyDoc_STRVAR(StrokeVertexIterator_doc, +"Class hierarchy: :class:`Iterator` > :class:`StrokeVertexIterator`\n" +"\n" +"Class defining an iterator designed to iterate over the\n" +":class:`StrokeVertex` of a :class:`Stroke`. An instance of a\n" +"StrokeVertexIterator can only be obtained from a Stroke by calling\n" +"strokeVerticesBegin() or strokeVerticesEnd(). It is iterating over\n" +"the same vertices as an :class:`Interface0DIterator`. The difference\n" +"resides in the object access. Indeed, an Interface0DIterator allows\n" +"only an access to an Interface0D whereas we could need to access the\n" +"specialized StrokeVertex type. In this case, one should use a\n" +"StrokeVertexIterator. The castToInterface0DIterator() method is\n" +"useful to get an Interface0DIterator from a StrokeVertexIterator in\n" +"order to call any functions of the UnaryFunction0D type.\n" +"\n" +".. method:: __init__()\n" +"\n" +" Default constructor.\n" +"\n" +".. method:: __init__(brother)\n" +"\n" +" Copy constructor.\n" +"\n" +" :arg brother: A StrokeVertexIterator object.\n" +" :type brother: :class:`StrokeVertexIterator`"); + +static int StrokeVertexIterator_init(BPy_StrokeVertexIterator *self, PyObject *args, PyObject *kwds) +{ + static const char *kwlist[] = {"brother", NULL}; + PyObject *brother = 0; + + if (!PyArg_ParseTupleAndKeywords(args, kwds, "|O!", (char **)kwlist, &StrokeVertexIterator_Type, &brother)) + return -1; + if (!brother) + self->sv_it = new StrokeInternal::StrokeVertexIterator(); + else + self->sv_it = new StrokeInternal::StrokeVertexIterator(*(((BPy_StrokeVertexIterator *)brother)->sv_it)); + self->py_it.it = self->sv_it; + self->reversed = 0; + return 0; +} + +static PyObject *StrokeVertexIterator_iternext(BPy_StrokeVertexIterator *self) +{ + StrokeVertex *sv; + + if (self->reversed) { + if (self->sv_it->isBegin()) { + PyErr_SetNone(PyExc_StopIteration); + return NULL; + } + self->sv_it->decrement(); + sv = self->sv_it->operator->(); + } + else { + if (self->sv_it->isEnd()) { + PyErr_SetNone(PyExc_StopIteration); + return NULL; + } + sv = self->sv_it->operator->(); + self->sv_it->increment(); + } + return BPy_StrokeVertex_from_StrokeVertex(*sv); +} + +/*----------------------StrokeVertexIterator get/setters ----------------------------*/ + +PyDoc_STRVAR(StrokeVertexIterator_object_doc, +"The StrokeVertex object currently pointed by this iterator.\n" +"\n" +":type: :class:`StrokeVertex`"); + +static PyObject *StrokeVertexIterator_object_get(BPy_StrokeVertexIterator *self, void *UNUSED(closure)) +{ + if (!self->reversed && self->sv_it->isEnd()) + Py_RETURN_NONE; + StrokeVertex *sv = self->sv_it->operator->(); + if (sv) + return BPy_StrokeVertex_from_StrokeVertex(*sv); + Py_RETURN_NONE; +} + +PyDoc_STRVAR(StrokeVertexIterator_t_doc, +"The curvilinear abscissa of the current point.\n" +"\n" +":type: float"); + +static PyObject *StrokeVertexIterator_t_get(BPy_StrokeVertexIterator *self, void *UNUSED(closure)) +{ + return PyFloat_FromDouble(self->sv_it->t()); +} + +PyDoc_STRVAR(StrokeVertexIterator_u_doc, +"The point parameter at the current point in the stroke (0 <= u <= 1).\n" +"\n" +":type: float"); + +static PyObject *StrokeVertexIterator_u_get(BPy_StrokeVertexIterator *self, void *UNUSED(closure)) +{ + return PyFloat_FromDouble(self->sv_it->u()); +} + +static PyGetSetDef BPy_StrokeVertexIterator_getseters[] = { + {(char *)"object", (getter)StrokeVertexIterator_object_get, (setter)NULL, + (char *)StrokeVertexIterator_object_doc, NULL}, + {(char *)"t", (getter)StrokeVertexIterator_t_get, (setter)NULL, (char *)StrokeVertexIterator_t_doc, NULL}, + {(char *)"u", (getter)StrokeVertexIterator_u_get, (setter)NULL, (char *)StrokeVertexIterator_u_doc, NULL}, + {NULL, NULL, NULL, NULL, NULL} /* Sentinel */ +}; + +/*-----------------------BPy_StrokeVertexIterator type definition ------------------------------*/ + +PyTypeObject StrokeVertexIterator_Type = { + PyVarObject_HEAD_INIT(NULL, 0) + "StrokeVertexIterator", /* tp_name */ + sizeof(BPy_StrokeVertexIterator), /* tp_basicsize */ + 0, /* tp_itemsize */ + 0, /* tp_dealloc */ + 0, /* tp_print */ + 0, /* tp_getattr */ + 0, /* tp_setattr */ + 0, /* tp_reserved */ + 0, /* tp_repr */ + 0, /* tp_as_number */ + 0, /* tp_as_sequence */ + 0, /* tp_as_mapping */ + 0, /* tp_hash */ + 0, /* tp_call */ + 0, /* tp_str */ + 0, /* tp_getattro */ + 0, /* tp_setattro */ + 0, /* tp_as_buffer */ + Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ + StrokeVertexIterator_doc, /* tp_doc */ + 0, /* tp_traverse */ + 0, /* tp_clear */ + 0, /* tp_richcompare */ + 0, /* tp_weaklistoffset */ + PyObject_SelfIter, /* tp_iter */ + (iternextfunc)StrokeVertexIterator_iternext, /* tp_iternext */ + 0, /* tp_methods */ + 0, /* tp_members */ + BPy_StrokeVertexIterator_getseters, /* tp_getset */ + &Iterator_Type, /* tp_base */ + 0, /* tp_dict */ + 0, /* tp_descr_get */ + 0, /* tp_descr_set */ + 0, /* tp_dictoffset */ + (initproc)StrokeVertexIterator_init, /* tp_init */ + 0, /* tp_alloc */ + 0, /* tp_new */ +}; + +/////////////////////////////////////////////////////////////////////////////////////////// + +#ifdef __cplusplus +} +#endif |