cc1a6b398d
To make our base classes subclasses, the Py_TPFLAGS_BASETYPE flag was added to the object type tp_flags slot.
Finally, I began to implement CurvePoint, descendant of Interface0D. This commit allowed me to verify that my SWIG replacement method works: interfaces are well taken into account by children. For a test, use the following code:
================================
import Blender
from Blender import Freestyle
from Blender.Freestyle import *
print Interface0D()
print CurvePoint()
================================
The __repr__ method is only implemented in Interface0D:
PyObject * Interface0D___repr__(BPy_Interface0D* self)
{
return PyString_FromFormat("type: %s - address: %p", self->if0D->getExactTypeName().c_str(), self->if0D );}
and the result is of the form:
type: Interface0D - address: 0x18e5ccc0
type: CurvePoint - address: 0x18e473f0
As you can see, the correct getExactTypeName of the class is called.
203 lines
7.4 KiB
C++
203 lines
7.4 KiB
C++
#include "Interface1D.h"
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#include "Convert.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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///////////////////////////////////////////////////////////////////////////////////////////
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/*--------------- Python API function prototypes for Interface1D instance -----------*/
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static int Interface1D___init__(BPy_Interface1D *self, PyObject *args, PyObject *kwds);
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static void Interface1D___dealloc__(BPy_Interface1D *self);
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static PyObject * Interface1D___repr__(BPy_Interface1D *self);
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static PyObject *Interface1D_getExactTypeName( BPy_Interface1D *self );
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static PyObject *Interface1D_getVertices( BPy_Interface1D *self );
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static PyObject *Interface1D_getPoints( BPy_Interface1D *self );
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static PyObject *Interface1D_getLength2D( BPy_Interface1D *self );
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static PyObject *Interface1D_getId( BPy_Interface1D *self );
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static PyObject *Interface1D_getNature( BPy_Interface1D *self );
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static PyObject *Interface1D_getTimeStamp( BPy_Interface1D *self );
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static PyObject *Interface1D_setTimeStamp( BPy_Interface1D *self, PyObject *args);
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/*----------------------Interface1D instance definitions ----------------------------*/
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static PyMethodDef BPy_Interface1D_methods[] = {
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{"getExactTypeName", ( PyCFunction ) Interface1D_getExactTypeName, METH_NOARGS, "（ ）Returns the string of the name of the interface."},
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{"getVertices", ( PyCFunction ) Interface1D_getVertices, METH_NOARGS, "Returns the vertices"},
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{"getPoints", ( PyCFunction ) Interface1D_getPoints, METH_NOARGS, "Returns the points. The difference with getVertices() is that here we can iterate over points of the 1D element at any given sampling. At each call, a virtual point is created."},
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{"getLength2D", ( PyCFunction ) Interface1D_getLength2D, METH_NOARGS, "Returns the 2D length of the 1D element"},
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{"getId", ( PyCFunction ) Interface1D_getId, METH_NOARGS, "Returns the Id of the 1D element"},
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{"getNature", ( PyCFunction ) Interface1D_getNature, METH_NOARGS, "Returns the nature of the 1D element"},
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{"getTimeStamp", ( PyCFunction ) Interface1D_getTimeStamp, METH_NOARGS, "Returns the time stamp of the 1D element. Mainly used for selection"},
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{"setTimeStamp", ( PyCFunction ) Interface1D_setTimeStamp, METH_VARARGS, "Sets the time stamp for the 1D element"},
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{NULL, NULL, 0, NULL}
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};
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/*-----------------------BPy_Interface1D type definition ------------------------------*/
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PyTypeObject Interface1D_Type = {
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PyObject_HEAD_INIT( NULL )
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0, /* ob_size */
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"Interface1D", /* tp_name */
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sizeof( BPy_Interface1D ), /* tp_basicsize */
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0, /* tp_itemsize */
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/* methods */
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(destructor)Interface1D___dealloc__, /* tp_dealloc */
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NULL, /* printfunc tp_print; */
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NULL, /* getattrfunc tp_getattr; */
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NULL, /* setattrfunc tp_setattr; */
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NULL, /* tp_compare */
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(reprfunc)Interface1D___repr__, /* tp_repr */
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/* Method suites for standard classes */
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NULL, /* PyNumberMethods *tp_as_number; */
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NULL, /* PySequenceMethods *tp_as_sequence; */
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NULL, /* PyMappingMethods *tp_as_mapping; */
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/* More standard operations (here for binary compatibility) */
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NULL, /* hashfunc tp_hash; */
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NULL, /* ternaryfunc tp_call; */
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NULL, /* reprfunc tp_str; */
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NULL, /* getattrofunc tp_getattro; */
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NULL, /* setattrofunc tp_setattro; */
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/* Functions to access object as input/output buffer */
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NULL, /* PyBufferProcs *tp_as_buffer; */
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/*** Flags to define presence of optional/expanded features ***/
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Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* long tp_flags; */
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NULL, /* char *tp_doc; Documentation string */
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/*** Assigned meaning in release 2.0 ***/
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/* call function for all accessible objects */
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NULL, /* traverseproc tp_traverse; */
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/* delete references to contained objects */
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NULL, /* inquiry tp_clear; */
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/*** Assigned meaning in release 2.1 ***/
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/*** rich comparisons ***/
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NULL, /* richcmpfunc tp_richcompare; */
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/*** weak reference enabler ***/
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0, /* long tp_weaklistoffset; */
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/*** Added in release 2.2 ***/
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/* Iterators */
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NULL, /* getiterfunc tp_iter; */
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NULL, /* iternextfunc tp_iternext; */
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/*** Attribute descriptor and subclassing stuff ***/
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BPy_Interface1D_methods, /* struct PyMethodDef *tp_methods; */
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NULL, /* struct PyMemberDef *tp_members; */
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NULL, /* struct PyGetSetDef *tp_getset; */
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NULL, /* struct _typeobject *tp_base; */
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NULL, /* PyObject *tp_dict; */
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NULL, /* descrgetfunc tp_descr_get; */
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NULL, /* descrsetfunc tp_descr_set; */
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0, /* long tp_dictoffset; */
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(initproc)Interface1D___init__, /* initproc tp_init; */
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NULL, /* allocfunc tp_alloc; */
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PyType_GenericNew, /* newfunc tp_new; */
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/* Low-level free-memory routine */
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NULL, /* freefunc tp_free; */
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/* For PyObject_IS_GC */
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NULL, /* inquiry tp_is_gc; */
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NULL, /* PyObject *tp_bases; */
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/* method resolution order */
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NULL, /* PyObject *tp_mro; */
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NULL, /* PyObject *tp_cache; */
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NULL, /* PyObject *tp_subclasses; */
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NULL, /* PyObject *tp_weaklist; */
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NULL
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};
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//-------------------MODULE INITIALIZATION--------------------------------
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PyMODINIT_FUNC Interface1D_Init( PyObject *module )
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{
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if( module == NULL )
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return;
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if( PyType_Ready( &Interface1D_Type ) < 0 )
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return;
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Py_INCREF( &Interface1D_Type );
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PyModule_AddObject(module, "Interface1D", (PyObject *)&Interface1D_Type);
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}
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//------------------------INSTANCE METHODS ----------------------------------
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int Interface1D___init__(BPy_Interface1D *self, PyObject *args, PyObject *kwds)
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{
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self->if1D = new Interface1D();
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return 0;
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}
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void Interface1D___dealloc__(BPy_Interface1D* self)
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{
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delete self->if1D;
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self->ob_type->tp_free((PyObject*)self);
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}
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PyObject * Interface1D___repr__(BPy_Interface1D* self)
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{
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return PyString_FromFormat("type: %s - address: %p", self->if1D->getExactTypeName().c_str(), self->if1D );
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}
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PyObject *Interface1D_getExactTypeName( BPy_Interface1D *self ) {
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return PyString_FromString( self->if1D->getExactTypeName().c_str() );
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}
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PyObject *Interface1D_getVertices( BPy_Interface1D *self ) {
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return PyList_New(0);
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}
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PyObject *Interface1D_getPoints( BPy_Interface1D *self ) {
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return PyList_New(0);
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}
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PyObject *Interface1D_getLength2D( BPy_Interface1D *self ) {
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return PyFloat_FromDouble( (double) self->if1D->getLength2D() );
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}
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PyObject *Interface1D_getId( BPy_Interface1D *self ) {
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return BPy_Id_from_Id( self->if1D->getId() );
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}
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PyObject *Interface1D_getNature( BPy_Interface1D *self ) {
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// EdgeNature
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}
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PyObject *Interface1D_getTimeStamp( BPy_Interface1D *self ) {
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return PyInt_FromLong( self->if1D->getTimeStamp() );
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}
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PyObject *Interface1D_setTimeStamp( BPy_Interface1D *self, PyObject *args) {
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int timestamp = 0 ;
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if( !PyArg_ParseTuple(args, (char *)"i:Interface1D_setTimeStamp", ×tamp) ) {
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cout << "ERROR: Interface1D_setTimeStamp" << endl;
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Py_RETURN_NONE;
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}
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self->if1D->setTimeStamp( timestamp );
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Py_RETURN_NONE;
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}
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///////////////////////////////////////////////////////////////////////////////////////////
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#ifdef __cplusplus
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}
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#endif
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