diff options
Diffstat (limited to 'source/blender/freestyle/intern/python/Iterator/BPy_StrokeVertexIterator.cpp')
| -rw-r--r-- | source/blender/freestyle/intern/python/Iterator/BPy_StrokeVertexIterator.cpp | 197 |
1 files changed, 197 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..a9b2c4d774a --- /dev/null +++ b/source/blender/freestyle/intern/python/Iterator/BPy_StrokeVertexIterator.cpp @@ -0,0 +1,197 @@ +#include "BPy_StrokeVertexIterator.h" + +#include "../BPy_Convert.h" +#include "BPy_Interface0DIterator.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/////////////////////////////////////////////////////////////////////////////////////////// + +//------------------------INSTANCE METHODS ---------------------------------- + +static char 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__(it)\n" +"\n" +" Copy constructor.\n" +"\n" +" :arg it: A StrokeVertexIterator object.\n" +" :type it: :class:`StrokeVertexIterator`\n"; + +static int StrokeVertexIterator___init__(BPy_StrokeVertexIterator *self, PyObject *args ) +{ + PyObject *obj = 0; + + if (! PyArg_ParseTuple(args, "|O", &obj) ) + return -1; + + if( !obj ){ + self->sv_it = new StrokeInternal::StrokeVertexIterator(); + + } else if( BPy_StrokeVertexIterator_Check(obj) ) { + self->sv_it = new StrokeInternal::StrokeVertexIterator(*( ((BPy_StrokeVertexIterator *) obj)->sv_it )); + + } else { + PyErr_SetString(PyExc_TypeError, "invalid argument"); + return -1; + } + + 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 ); +} + +static char StrokeVertexIterator_t___doc__[] = +".. method:: t()\n" +"\n" +" Returns the curvilinear abscissa of the current point.\n" +"\n" +" :return: The curvilinear abscissa of the current point.\n" +" :rtype: float\n"; + +static PyObject * StrokeVertexIterator_t( BPy_StrokeVertexIterator *self ) { + return PyFloat_FromDouble( self->sv_it->t() ); +} + +static char StrokeVertexIterator_u___doc__[] = +".. method:: u()\n" +"\n" +" Returns the point parameter in the stroke (0<=u<=1).\n" +"\n" +" :return: The point parameter in the stroke\n" +" :rtype: float\n"; + +static PyObject * StrokeVertexIterator_u( BPy_StrokeVertexIterator *self ) { + return PyFloat_FromDouble( self->sv_it->u() ); +} + +static char StrokeVertexIterator_castToInterface0DIterator___doc__[] = +".. method:: castToInterface0DIterator()\n" +"\n" +" Returns an Interface0DIterator converted from this\n" +" StrokeVertexIterator. Useful for any call to a function of the\n" +" UnaryFunction0D type.\n" +"\n" +" :return: An Interface0DIterator converted from the StrokeVertexIterator.\n" +" :rtype: :class:`Interface0DIterator`\n"; + +static PyObject * StrokeVertexIterator_castToInterface0DIterator( BPy_StrokeVertexIterator *self ) { + Interface0DIterator it( self->sv_it->castToInterface0DIterator() ); + return BPy_Interface0DIterator_from_Interface0DIterator( it, 0 ); +} + +static char StrokeVertexIterator_getObject___doc__[] = +".. method:: getObject()\n" +"\n" +" Returns the pointed StrokeVertex.\n" +"\n" +" :return: The pointed StrokeVertex.\n" +" :rtype: :class:`StrokeVertex`\n"; + +static PyObject * StrokeVertexIterator_getObject( BPy_StrokeVertexIterator *self) { + 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; +} + +/*----------------------StrokeVertexIterator instance definitions ----------------------------*/ +static PyMethodDef BPy_StrokeVertexIterator_methods[] = { + {"t", ( PyCFunction ) StrokeVertexIterator_t, METH_NOARGS, StrokeVertexIterator_t___doc__}, + {"u", ( PyCFunction ) StrokeVertexIterator_u, METH_NOARGS, StrokeVertexIterator_u___doc__}, + {"castToInterface0DIterator", ( PyCFunction ) StrokeVertexIterator_castToInterface0DIterator, METH_NOARGS, StrokeVertexIterator_castToInterface0DIterator___doc__}, + {"getObject", ( PyCFunction ) StrokeVertexIterator_getObject, METH_NOARGS, StrokeVertexIterator_getObject___doc__}, + {NULL, NULL, 0, NULL} +}; + +/*-----------------------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 */ + BPy_StrokeVertexIterator_methods, /* tp_methods */ + 0, /* tp_members */ + 0, /* 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 |