Martin Poirier
5dfef1ae35
I was careful in selectively rolling back revisions, but if you've committed changes unrelated to BPY mixed with BPY changes, I might have reverted those too, so please double check.
858 lines
22 KiB
C
858 lines
22 KiB
C
/*
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* $Id: SurfNurb.c 11400 2007-07-28 09:26:53Z campbellbarton $
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* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version. The Blender
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* Foundation also sells licenses for use in proprietary software under
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* the Blender License. See http://www.blender.org/BL/ for information
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* about this.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* This is a new part of Blender.
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*
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* Contributor(s): Stephen Swaney
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*
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* ***** END GPL/BL DUAL LICENSE BLOCK *****
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*/
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#include "SurfNurb.h" /*This must come first */
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#include "BKE_curve.h"
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#include "BDR_editcurve.h" /* for convertspline */
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#include "MEM_guardedalloc.h"
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#include "gen_utils.h"
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#include "gen_library.h"
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#include "BezTriple.h"
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/*
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* forward declarations go here
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*/
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static int SurfNurb_setPoint( BPy_SurfNurb * self, int index, PyObject * ob );
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static int SurfNurb_length( PyInstanceObject * inst );
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static PyObject *SurfNurb_getIter( BPy_SurfNurb * self );
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static PyObject *SurfNurb_iterNext( BPy_SurfNurb * self );
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PyObject *SurfNurb_append( BPy_SurfNurb * self, PyObject * args );
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char M_SurfNurb_doc[] = "SurfNurb";
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/*
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table of module methods
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these are the equivalent of class or static methods.
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you do not need an object instance to call one.
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*/
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static PyMethodDef M_SurfNurb_methods[] = {
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/* name, method, flags, doc_string */
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/* {"Get", (PyCFunction) M_SurfNurb_method, METH_NOARGS, " () - doc string"}, */
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/* {"method", (PyCFunction) M_SurfNurb_method, METH_NOARGS, " () - doc string"}, */
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{NULL, NULL, 0, NULL}
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};
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/*
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* method table
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* table of instance methods
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* these methods are invoked on an instance of the type.
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*/
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static PyMethodDef BPy_SurfNurb_methods[] = {
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# if 0
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{"append", ( PyCFunction ) SurfNurb_append, METH_VARARGS,
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"( point ) - add a new point. arg is BezTriple or list of x,y,z,w floats"},
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#endif
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{NULL, NULL, 0, NULL}
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};
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/*
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* SurfNurb_appendPointToNurb
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* this is a non-bpy utility func to add a point to a given nurb.
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* notice the first arg is Nurb*.
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*/
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#if 0
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static PyObject *SurfNurb_appendPointToNurb( Nurb * nurb, PyObject * args )
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{
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int i;
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int size;
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PyObject *pyOb;
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int npoints = nurb->pntsu;
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/*
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do we have a list of four floats or a BezTriple?
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*/
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if( !PyArg_ParseTuple( args, "O", &pyOb ))
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return EXPP_ReturnPyObjError
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( PyExc_RuntimeError,
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"Internal error parsing arguments" );
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/* if curve is empty, adjust type depending on input type */
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if (nurb->bezt==NULL && nurb->bp==NULL) {
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if (BPy_BezTriple_Check( pyOb ))
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nurb->type |= CU_BEZIER;
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else if (PySequence_Check( pyOb ))
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nurb->type |= CU_NURBS;
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else
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return( EXPP_ReturnPyObjError( PyExc_TypeError,
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"Expected a BezTriple or a Sequence of 4 (or 5) floats" ) );
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}
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if ((nurb->type & 7)==CU_BEZIER) {
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BezTriple *tmp;
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if( !BPy_BezTriple_Check( pyOb ) )
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return( EXPP_ReturnPyObjError( PyExc_TypeError,
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"Expected a BezTriple\n" ) );
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/* printf("\ndbg: got a BezTriple\n"); */
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tmp = nurb->bezt; /* save old points */
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nurb->bezt =
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( BezTriple * ) MEM_mallocN( sizeof( BezTriple ) *
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( npoints + 1 ),
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"SurfNurb_append2" );
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if( !nurb->bezt )
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return ( EXPP_ReturnPyObjError
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( PyExc_MemoryError, "allocation failed" ) );
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/* copy old points to new */
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if( tmp ) {
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memmove( nurb->bezt, tmp, sizeof( BezTriple ) * npoints );
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MEM_freeN( tmp );
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}
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nurb->pntsu++;
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/* add new point to end of list */
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memcpy( nurb->bezt + npoints,
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BezTriple_FromPyObject( pyOb ), sizeof( BezTriple ) );
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}
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else if( PySequence_Check( pyOb ) ) {
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size = PySequence_Size( pyOb );
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/* printf("\ndbg: got a sequence of size %d\n", size ); */
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if( size == 4 || size == 5 ) {
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BPoint *tmp;
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tmp = nurb->bp; /* save old pts */
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nurb->bp =
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( BPoint * ) MEM_mallocN( sizeof( BPoint ) *
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( npoints + 1 ),
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"SurfNurb_append1" );
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if( !nurb->bp )
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return ( EXPP_ReturnPyObjError
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( PyExc_MemoryError,
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"allocation failed" ) );
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memmove( nurb->bp, tmp, sizeof( BPoint ) * npoints );
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if( tmp )
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MEM_freeN( tmp );
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++nurb->pntsu;
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/* initialize new BPoint from old */
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memcpy( nurb->bp + npoints, nurb->bp,
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sizeof( BPoint ) );
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for( i = 0; i < 4; ++i ) {
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PyObject *item = PySequence_GetItem( pyOb, i );
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if (item == NULL)
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return NULL;
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nurb->bp[npoints].vec[i] = ( float ) PyFloat_AsDouble( item );
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Py_DECREF( item );
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}
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if (size == 5) {
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PyObject *item = PySequence_GetItem( pyOb, i );
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if (item == NULL)
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return NULL;
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nurb->bp[npoints].alfa = ( float ) PyFloat_AsDouble( item );
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Py_DECREF( item );
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}
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else {
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nurb->bp[npoints].alfa = 0.0f;
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}
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makeknots( nurb, 1, nurb->flagu >> 1 );
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} else {
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return EXPP_ReturnPyObjError( PyExc_TypeError,
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"expected a sequence of 4 or 5 floats" );
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}
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} else {
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/* bail with error */
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return EXPP_ReturnPyObjError( PyExc_TypeError,
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"expected a sequence of 4 or 5 floats" );
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}
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return ( EXPP_incr_ret( Py_None ) );
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}
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/*
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* SurfNurb_append( point )
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* append a new point to a nurb curve.
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* arg is BezTriple or list of xyzw floats
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*/
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PyObject *SurfNurb_append( BPy_SurfNurb * self, PyObject * args )
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{
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Nurb *nurb = self->nurb;
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return SurfNurb_appendPointToNurb( nurb, args );
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}
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#endif
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#if 0
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/*
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* SurfNurb_getMatIndex
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*
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* returns index into material list
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*/
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static PyObject *SurfNurb_getMatIndex( BPy_SurfNurb * self )
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{
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return PyInt_FromLong( ( long ) self->nurb->mat_nr );
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}
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/*
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* SurfNurb_setMatIndex
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*
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* set index into material list
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*/
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static int SurfNurb_setMatIndex( BPy_SurfNurb * self, PyObject * args )
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{
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args = PyNumber_Int( args );
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if( !args )
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return EXPP_ReturnIntError( PyExc_TypeError,
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"expected integer argument" );
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/* fixme: some range checking would be nice! */
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/* can't do range checking without knowing the "parent" curve! */
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self->nurb->mat_nr = ( short )PyInt_AS_LONG( args );
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Py_DECREF( args );
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return 0;
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}
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#endif
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/*
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* SurfNurb_getPointsU
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*
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* returns number of control points in U direction
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*/
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static PyObject *SurfNurb_getPointsU( BPy_SurfNurb * self )
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{
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return PyInt_FromLong( ( long ) self->nurb->pntsu );
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}
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/*
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* SurfNurb_getPointsV
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*
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* returns number of control points in V direction
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*/
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static PyObject *SurfNurb_getPointsV( BPy_SurfNurb * self )
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{
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return PyInt_FromLong( ( long ) self->nurb->pntsv );
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}
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/*
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* SurfNurb_getFlagU
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*
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* returns curve's flagu
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*/
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static PyObject *SurfNurb_getFlagU( BPy_SurfNurb * self )
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{
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return PyInt_FromLong( ( long ) (self->nurb->flagu >> 1) );
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}
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/*
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* SurfNurb_setFlagU
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*
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* set curve's flagu and recalculate the knots
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*
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* Possible values: 0 - uniform, 2 - endpoints, 4 - bezier
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* bit 0 controls CU_CYCLIC
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*/
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static int SurfNurb_setFlagU( BPy_SurfNurb * self, PyObject * args )
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{
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int flagu;
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args = PyNumber_Int( args );
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if( !args )
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return EXPP_ReturnIntError( PyExc_TypeError,
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"expected integer argument" );
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flagu = ( int )PyInt_AS_LONG( args );
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Py_DECREF( args );
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if( flagu < 0 || flagu > 2 )
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return EXPP_ReturnIntError( PyExc_AttributeError,
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"expected integer argument in range [0,2]" );
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flagu = (flagu << 1) | (self->nurb->flagu & CU_CYCLIC);
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if( self->nurb->flagu != flagu ) {
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self->nurb->flagu = (short)flagu;
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makeknots( self->nurb, 1, self->nurb->flagu >> 1 );
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}
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return 0;
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}
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/*
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* SurfNurb_getFlagV
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*
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* returns curve's flagu
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*/
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static PyObject *SurfNurb_getFlagV( BPy_SurfNurb * self )
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{
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return PyInt_FromLong( ( long ) (self->nurb->flagv >> 1) );
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}
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/*
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* SurfNurb_setFlagV
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*
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* set curve's flagu and recalculate the knots
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*
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* Possible values: 0 - uniform, 1 - endpoints, 2 - bezier
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*/
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static int SurfNurb_setFlagV( BPy_SurfNurb * self, PyObject * args )
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{
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int flagv;
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args = PyNumber_Int( args );
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if( !args )
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return EXPP_ReturnIntError( PyExc_TypeError,
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"expected integer argument" );
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flagv = ( int )PyInt_AS_LONG( args );
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Py_DECREF( args );
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if( flagv < 0 || flagv > 2 )
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return EXPP_ReturnIntError( PyExc_AttributeError,
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"expected integer argument in range [0,2]" );
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flagv = (flagv << 1) | (self->nurb->flagv & CU_CYCLIC);
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if( self->nurb->flagv != flagv ) {
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self->nurb->flagv = (short)flagv;
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makeknots( self->nurb, 2, self->nurb->flagv >> 1 );
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}
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return 0;
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}
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/*
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* SurfNurb_getOrder
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*
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* returns curve's order
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*/
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static PyObject *SurfNurb_getOrderU( BPy_SurfNurb * self )
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{
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return PyInt_FromLong( ( long ) self->nurb->orderu );
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}
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static int SurfNurb_setOrderU( BPy_SurfNurb * self, PyObject * args )
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{
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int order;
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args = PyNumber_Int( args );
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if( !args )
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return EXPP_ReturnIntError( PyExc_TypeError,
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"expected integer argument" );
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order = ( int )PyInt_AS_LONG( args );
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Py_DECREF( args );
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if( order < 2 ) order = 2;
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else if( order > 6 ) order = 6;
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if( self->nurb->pntsu < order )
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order = self->nurb->pntsu;
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self->nurb->orderu = (short)order;
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makeknots( self->nurb, 1, self->nurb->flagu >> 1 );
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return 0;
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}
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static PyObject *SurfNurb_getOrderV( BPy_SurfNurb * self )
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{
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return PyInt_FromLong( ( long ) self->nurb->orderv );
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}
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static int SurfNurb_setOrderV( BPy_SurfNurb * self, PyObject * args )
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{
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int order;
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args = PyNumber_Int( args );
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if( !args )
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return EXPP_ReturnIntError( PyExc_TypeError,
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"expected integer argument" );
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order = ( int )PyInt_AS_LONG( args );
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Py_DECREF( args );
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if( order < 2 ) order = 2;
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else if( order > 6 ) order = 6;
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if( self->nurb->pntsv < order )
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order = self->nurb->pntsv;
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self->nurb->orderv = (short)order;
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makeknots( self->nurb, 2, self->nurb->flagv >> 1 );
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return 0;
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}
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/*
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* SurfNurb_getCyclic()
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* test whether surface is cyclic (closed) or not (open)
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*/
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static PyObject *SurfNurb_getCyclicU( BPy_SurfNurb * self )
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{
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if( self->nurb->flagu & CU_CYCLIC )
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Py_RETURN_TRUE;
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else
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Py_RETURN_FALSE;
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}
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static PyObject *SurfNurb_getCyclicV( BPy_SurfNurb * self )
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{
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if( self->nurb->flagv & CU_CYCLIC )
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Py_RETURN_TRUE;
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else
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Py_RETURN_FALSE;
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}
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static int SurfNurb_setCyclicU( BPy_SurfNurb * self, PyObject * value )
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{
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int param = PyObject_IsTrue( value );
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if( param == -1 )
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return EXPP_ReturnIntError( PyExc_TypeError,
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"expected True/False or 0/1" );
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if( param )
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self->nurb->flagu |= CU_CYCLIC;
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else
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self->nurb->flagu &= ~CU_CYCLIC;
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makeknots( self->nurb, 1, self->nurb->flagu >> 1 );
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return 0;
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}
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static int SurfNurb_setCyclicV( BPy_SurfNurb * self, PyObject * value )
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{
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int param = PyObject_IsTrue( value );
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if( param == -1 )
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return EXPP_ReturnIntError( PyExc_TypeError,
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"expected True/False or 0/1" );
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if( param )
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self->nurb->flagv |= CU_CYCLIC;
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else
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self->nurb->flagv &= ~CU_CYCLIC;
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makeknots( self->nurb, 2, self->nurb->flagu >> 1 );
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return 0;
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}
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/*
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* SurfNurb_getIter
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*
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* create an iterator for our SurfNurb.
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* this iterator returns the points for this SurfNurb.
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*/
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static PyObject *SurfNurb_getIter( BPy_SurfNurb * self )
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{
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self->bp = self->nurb->bp;
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self->bezt = self->nurb->bezt;
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self->nextPoint = 0;
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Py_INCREF( self );
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return ( PyObject * ) self;
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}
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static PyObject *SurfNurb_iterNext( BPy_SurfNurb * self )
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{
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Nurb *pnurb = self->nurb;
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int npoints = pnurb->pntsu * pnurb->pntsv;
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if( self->bp && self->nextPoint < npoints )
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return SurfNurb_pointAtIndex( self->nurb, self->nextPoint++ );
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else
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return EXPP_ReturnPyObjError( PyExc_StopIteration,
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"iterator at end" );
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}
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/*
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* SurfNurb_length
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* returns the number of points in a Nurb
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* this is a tp_as_sequence method, not a regular instance method.
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*/
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static int SurfNurb_length( PyInstanceObject * inst )
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{
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Nurb *nurb;
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if( BPy_SurfNurb_Check( ( PyObject * ) inst ) ) {
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nurb = ( ( BPy_SurfNurb * ) inst )->nurb;
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return (int)(nurb->pntsu * nurb->pntsu);
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}
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return EXPP_ReturnIntError( PyExc_RuntimeError,
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"arg is not a BPy_SurfNurb" );
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}
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/*
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|
* SurfNurb_getPoint
|
|
* returns the Nth point in a Nurb
|
|
* this is one of the tp_as_sequence methods, hence the int N argument.
|
|
* it is called via the [] operator, not as a usual instance method.
|
|
*/
|
|
|
|
PyObject *SurfNurb_getPoint( BPy_SurfNurb * self, int index )
|
|
{
|
|
Nurb *myNurb;
|
|
|
|
int npoints;
|
|
|
|
/* for convenince */
|
|
myNurb = self->nurb;
|
|
npoints = myNurb->pntsu * myNurb->pntsv;
|
|
|
|
/* bail if no Nurbs in Curve */
|
|
if( npoints == 0 )
|
|
return ( EXPP_ReturnPyObjError( PyExc_IndexError,
|
|
"no points in this SurfNurb" ) );
|
|
|
|
/* check index limits */
|
|
if( index >= npoints || index < 0 )
|
|
return ( EXPP_ReturnPyObjError( PyExc_IndexError,
|
|
"index out of range" ) );
|
|
|
|
return SurfNurb_pointAtIndex( myNurb, index );
|
|
}
|
|
|
|
/*
|
|
* SurfNurb_setPoint
|
|
* modifies the Nth point in a Nurb
|
|
* this is one of the tp_as_sequence methods, hence the int N argument.
|
|
* it is called via the [] = operator, not as a usual instance method.
|
|
*/
|
|
static int SurfNurb_setPoint( BPy_SurfNurb * self, int index, PyObject * pyOb )
|
|
{
|
|
Nurb *nurb = self->nurb;
|
|
int size;
|
|
|
|
/* check index limits */
|
|
if( index < 0 || index >= nurb->pntsu * nurb->pntsv )
|
|
return EXPP_ReturnIntError( PyExc_IndexError,
|
|
"array assignment index out of range\n" );
|
|
|
|
/* branch by curve type */
|
|
#if 0
|
|
if ((nurb->type & 7)==CU_BEZIER) { /* BEZIER */
|
|
/* check parameter type */
|
|
if( !BPy_BezTriple_Check( pyOb ) )
|
|
return EXPP_ReturnIntError( PyExc_TypeError,
|
|
"expected a BezTriple\n" );
|
|
|
|
/* copy bezier in array */
|
|
memcpy( nurb->bezt + index,
|
|
BezTriple_FromPyObject( pyOb ), sizeof( BezTriple ) );
|
|
|
|
return 0; /* finished correctly */
|
|
}
|
|
else
|
|
#endif
|
|
{ /* NURBS or POLY */
|
|
int i;
|
|
|
|
/* check parameter type */
|
|
if (!PySequence_Check( pyOb ))
|
|
return EXPP_ReturnIntError( PyExc_TypeError,
|
|
"expected a list of 4 (or optionaly 5 if the curve is 3D) floats\n" );
|
|
|
|
size = PySequence_Size( pyOb );
|
|
|
|
/* check sequence size */
|
|
if( size != 4 && size != 5 )
|
|
return EXPP_ReturnIntError( PyExc_TypeError,
|
|
"expected a list of 4 (or optionaly 5 if the curve is 3D) floats\n" );
|
|
|
|
/* copy x, y, z, w */
|
|
for( i = 0; i < 4; ++i ) {
|
|
PyObject *item = PySequence_GetItem( pyOb, i );
|
|
|
|
if (item == NULL)
|
|
return -1;
|
|
|
|
nurb->bp[index].vec[i] = ( float ) PyFloat_AsDouble( item );
|
|
Py_DECREF( item );
|
|
}
|
|
|
|
if (size == 5) { /* set tilt, if present */
|
|
PyObject *item = PySequence_GetItem( pyOb, i );
|
|
|
|
if (item == NULL)
|
|
return -1;
|
|
|
|
nurb->bp[index].alfa = ( float ) PyFloat_AsDouble( item );
|
|
Py_DECREF( item );
|
|
}
|
|
else { /* if not, set default */
|
|
nurb->bp[index].alfa = 0.0f;
|
|
}
|
|
|
|
return 0; /* finished correctly */
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* this is an internal routine. not callable directly from python
|
|
*/
|
|
|
|
PyObject *SurfNurb_pointAtIndex( Nurb * nurb, int index )
|
|
{
|
|
PyObject *pyo;
|
|
|
|
if( nurb->bp ) { /* we have a nurb curve */
|
|
int i;
|
|
|
|
/* add Tilt only if curve is 3D */
|
|
if (nurb->flag & CU_3D)
|
|
pyo = PyList_New( 5 );
|
|
else
|
|
pyo = PyList_New( 4 );
|
|
|
|
for( i = 0; i < 4; i++ ) {
|
|
PyList_SetItem( pyo, i,
|
|
PyFloat_FromDouble( nurb->bp[index].
|
|
vec[i] ) );
|
|
}
|
|
|
|
/* add Tilt only if curve is 3D */
|
|
if (nurb->flag & CU_3D)
|
|
PyList_SetItem( pyo, 4, PyFloat_FromDouble( nurb->bp[index].alfa ) );
|
|
return pyo;
|
|
|
|
} else /* something is horribly wrong */
|
|
return EXPP_ReturnPyObjError( PyExc_SystemError,
|
|
"non-NURB surface found" );
|
|
}
|
|
|
|
/*
|
|
* methods for SurfNurb as sequence
|
|
*/
|
|
|
|
static PySequenceMethods SurfNurb_as_sequence = {
|
|
( inquiry ) SurfNurb_length, /* sq_length */
|
|
( binaryfunc ) 0, /* sq_concat */
|
|
( intargfunc ) 0, /* sq_repeat */
|
|
( intargfunc ) SurfNurb_getPoint, /* sq_item */
|
|
( intintargfunc ) 0, /* sq_slice */
|
|
( intobjargproc ) SurfNurb_setPoint, /* sq_ass_item */
|
|
0, /* sq_ass_slice */
|
|
( objobjproc ) 0, /* sq_contains */
|
|
0,
|
|
0
|
|
};
|
|
|
|
static PyGetSetDef BPy_SurfNurb_getseters[] = {
|
|
#if 0
|
|
{"matIndex",
|
|
(getter)SurfNurb_getMatIndex, (setter)SurfNurb_setMatIndex,
|
|
"material index", NULL},
|
|
#endif
|
|
{"pointsU",
|
|
(getter)SurfNurb_getPointsU, (setter)NULL,
|
|
"number of control points in U direction", NULL},
|
|
{"pointsV",
|
|
(getter)SurfNurb_getPointsV, (setter)NULL,
|
|
"number of control points in V direction", NULL},
|
|
{"flagU",
|
|
(getter)SurfNurb_getFlagU, (setter)SurfNurb_setFlagU,
|
|
"knot flag for U direction", NULL},
|
|
{"flagV",
|
|
(getter)SurfNurb_getFlagV, (setter)SurfNurb_setFlagV,
|
|
"knot flag for V direction", NULL},
|
|
{"cyclicU",
|
|
(getter)SurfNurb_getCyclicU, (setter)SurfNurb_setCyclicU,
|
|
"cyclic setting for U direction", NULL},
|
|
{"cyclicV",
|
|
(getter)SurfNurb_getCyclicV, (setter)SurfNurb_setCyclicV,
|
|
"cyclic setting for V direction", NULL},
|
|
{"orderU",
|
|
(getter)SurfNurb_getOrderU, (setter)SurfNurb_setOrderU,
|
|
"order setting for U direction", NULL},
|
|
{"orderV",
|
|
(getter)SurfNurb_getOrderV, (setter)SurfNurb_setOrderV,
|
|
"order setting for V direction", NULL},
|
|
{NULL,NULL,NULL,NULL,NULL} /* Sentinel */
|
|
};
|
|
|
|
/*
|
|
* compare
|
|
* in this case, we consider two SurfNurbs equal, if they point to the same
|
|
* blender data.
|
|
*/
|
|
static int SurfNurb_compare( BPy_SurfNurb * a, BPy_SurfNurb * b )
|
|
{
|
|
return ( a->nurb == b->nurb ) ? 0 : -1;
|
|
}
|
|
|
|
/*
|
|
* SurfNurb_repr
|
|
*/
|
|
static PyObject *SurfNurb_repr( BPy_SurfNurb * self )
|
|
{
|
|
return PyString_FromFormat( "[SurfNurb \"%d\"]", self->nurb->type );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Python SurfNurb_Type structure definition: */
|
|
/*****************************************************************************/
|
|
PyTypeObject SurfNurb_Type = {
|
|
PyObject_HEAD_INIT( NULL ) /* required py macro */
|
|
0, /* ob_size */
|
|
/* For printing, in format "<module>.<name>" */
|
|
"SurfNurb", /* char *tp_name; */
|
|
sizeof( BPy_SurfNurb ), /* int tp_basicsize; */
|
|
0, /* tp_itemsize; For allocation */
|
|
|
|
/* Methods to implement standard operations */
|
|
|
|
NULL, /* destructor tp_dealloc; */
|
|
NULL, /* printfunc tp_print; */
|
|
NULL, /* getattrfunc tp_getattr; */
|
|
NULL, /* setattrfunc tp_setattr; */
|
|
( cmpfunc ) SurfNurb_compare, /* cmpfunc tp_compare; */
|
|
( reprfunc ) SurfNurb_repr, /* reprfunc tp_repr; */
|
|
|
|
/* Method suites for standard classes */
|
|
|
|
NULL, /* PyNumberMethods *tp_as_number; */
|
|
&SurfNurb_as_sequence, /* PySequenceMethods *tp_as_sequence; */
|
|
NULL, /* PyMappingMethods *tp_as_mapping; */
|
|
|
|
/* More standard operations (here for binary compatibility) */
|
|
|
|
NULL, /* hashfunc tp_hash; */
|
|
NULL, /* ternaryfunc tp_call; */
|
|
NULL, /* reprfunc tp_str; */
|
|
NULL, /* getattrofunc tp_getattro; */
|
|
NULL, /* setattrofunc tp_setattro; */
|
|
|
|
/* Functions to access object as input/output buffer */
|
|
NULL, /* PyBufferProcs *tp_as_buffer; */
|
|
|
|
/*** Flags to define presence of optional/expanded features ***/
|
|
Py_TPFLAGS_DEFAULT, /* long tp_flags; */
|
|
|
|
NULL, /* char *tp_doc; Documentation string */
|
|
/*** Assigned meaning in release 2.0 ***/
|
|
/* call function for all accessible objects */
|
|
NULL, /* traverseproc tp_traverse; */
|
|
|
|
/* delete references to contained objects */
|
|
NULL, /* inquiry tp_clear; */
|
|
|
|
/*** Assigned meaning in release 2.1 ***/
|
|
/*** rich comparisons ***/
|
|
NULL, /* richcmpfunc tp_richcompare; */
|
|
|
|
/*** weak reference enabler ***/
|
|
0, /* long tp_weaklistoffset; */
|
|
|
|
/*** Added in release 2.2 ***/
|
|
/* Iterators */
|
|
( getiterfunc ) SurfNurb_getIter, /* getiterfunc tp_iter; */
|
|
( iternextfunc ) SurfNurb_iterNext, /* iternextfunc tp_iternext; */
|
|
|
|
/*** Attribute descriptor and subclassing stuff ***/
|
|
BPy_SurfNurb_methods, /* struct PyMethodDef *tp_methods; */
|
|
NULL, /* struct PyMemberDef *tp_members; */
|
|
BPy_SurfNurb_getseters, /* struct PyGetSetDef *tp_getset; */
|
|
NULL, /* struct _typeobject *tp_base; */
|
|
NULL, /* PyObject *tp_dict; */
|
|
NULL, /* descrgetfunc tp_descr_get; */
|
|
NULL, /* descrsetfunc tp_descr_set; */
|
|
0, /* long tp_dictoffset; */
|
|
NULL, /* initproc tp_init; */
|
|
NULL, /* allocfunc tp_alloc; */
|
|
NULL, /* newfunc tp_new; */
|
|
/* Low-level free-memory routine */
|
|
NULL, /* freefunc tp_free; */
|
|
/* For PyObject_IS_GC */
|
|
NULL, /* inquiry tp_is_gc; */
|
|
NULL, /* PyObject *tp_bases; */
|
|
/* method resolution order */
|
|
NULL, /* PyObject *tp_mro; */
|
|
NULL, /* PyObject *tp_cache; */
|
|
NULL, /* PyObject *tp_subclasses; */
|
|
NULL, /* PyObject *tp_weaklist; */
|
|
NULL
|
|
};
|
|
|
|
/*
|
|
factory method to create a BPy_SurfNurb from a Blender Nurb
|
|
*/
|
|
|
|
PyObject *SurfNurb_CreatePyObject( Nurb * blen_nurb )
|
|
{
|
|
BPy_SurfNurb *pyNurb;
|
|
|
|
pyNurb = ( BPy_SurfNurb * ) PyObject_NEW( BPy_SurfNurb, &SurfNurb_Type );
|
|
|
|
if( !pyNurb )
|
|
return EXPP_ReturnPyObjError( PyExc_MemoryError,
|
|
"could not create BPy_SurfNurb PyObject" );
|
|
|
|
pyNurb->nurb = blen_nurb;
|
|
return ( PyObject * ) pyNurb;
|
|
}
|
|
|
|
|
|
PyObject *SurfNurb_Init( void )
|
|
{
|
|
PyType_Ready( &SurfNurb_Type );
|
|
return Py_InitModule3( "Blender.SurfNurb", M_SurfNurb_methods,
|
|
M_SurfNurb_doc );
|
|
}
|
|
|