127abda43d
Adds ability to set, clear and get bevel object for a Curve. Contributed by Gergely Erdelyi (dyce). Thanks!
1636 lines
48 KiB
C
1636 lines
48 KiB
C
/*
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* $Id$
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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): Jacques Guignot, 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 <Python.h>
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#include "Curve.h"
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#include <stdio.h>
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#include <BLI_arithb.h>
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#include <BLI_blenlib.h>
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#include <BKE_main.h>
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#include <BKE_displist.h>
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#include <BKE_global.h>
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#include <BKE_object.h>
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#include <BKE_library.h>
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#include <BKE_curve.h>
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#include <BKE_utildefines.h>
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#include <MEM_guardedalloc.h> /* because we wil be mallocing memory */
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#include "CurNurb.h"
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#include "Material.h"
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#include "Object.h"
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#include "gen_utils.h"
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/*****************************************************************************/
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/* The following string definitions are used for documentation strings. */
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/* In Python these will be written to the console when doing a */
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/* Blender.Curve.__doc__ */
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/*****************************************************************************/
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char M_Curve_doc[] = "The Blender Curve module\n\n\
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This module provides access to **Curve Data** in Blender.\n\
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Functions :\n\
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New(opt name) : creates a new curve object with the given name (optional)\n\
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Get(name) : retreives a curve with the given name (mandatory)\n\
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get(name) : same as Get. Kept for compatibility reasons";
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char M_Curve_New_doc[] = "";
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char M_Curve_Get_doc[] = "xxx";
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/*****************************************************************************/
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/* Python API function prototypes for the Curve module. */
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/*****************************************************************************/
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static PyObject *M_Curve_New( PyObject * self, PyObject * args );
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static PyObject *M_Curve_Get( PyObject * self, PyObject * args );
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/*****************************************************************************/
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/* Python BPy_Curve instance methods declarations: */
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/*****************************************************************************/
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PyObject *Curve_getName( BPy_Curve * self );
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PyObject *Curve_setName( BPy_Curve * self, PyObject * args );
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static PyObject *Curve_getPathLen( BPy_Curve * self );
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static PyObject *Curve_setPathLen( BPy_Curve * self, PyObject * args );
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static PyObject *Curve_getTotcol( BPy_Curve * self );
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static PyObject *Curve_setTotcol( BPy_Curve * self, PyObject * args );
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PyObject *Curve_getMode( BPy_Curve * self );
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PyObject *Curve_setMode( BPy_Curve * self, PyObject * args );
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PyObject *Curve_getBevresol( BPy_Curve * self );
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PyObject *Curve_setBevresol( BPy_Curve * self, PyObject * args );
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PyObject *Curve_getResolu( BPy_Curve * self );
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PyObject *Curve_setResolu( BPy_Curve * self, PyObject * args );
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PyObject *Curve_getResolv( BPy_Curve * self );
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PyObject *Curve_setResolv( BPy_Curve * self, PyObject * args );
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PyObject *Curve_getWidth( BPy_Curve * self );
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PyObject *Curve_setWidth( BPy_Curve * self, PyObject * args );
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PyObject *Curve_getExt1( BPy_Curve * self );
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PyObject *Curve_setExt1( BPy_Curve * self, PyObject * args );
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PyObject *Curve_getExt2( BPy_Curve * self );
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PyObject *Curve_setExt2( BPy_Curve * self, PyObject * args );
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static PyObject *Curve_getControlPoint( BPy_Curve * self, PyObject * args );
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static PyObject *Curve_setControlPoint( BPy_Curve * self, PyObject * args );
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static PyObject *Curve_getLoc( BPy_Curve * self );
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static PyObject *Curve_setLoc( BPy_Curve * self, PyObject * args );
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static PyObject *Curve_getRot( BPy_Curve * self );
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static PyObject *Curve_setRot( BPy_Curve * self, PyObject * args );
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static PyObject *Curve_getSize( BPy_Curve * self );
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static PyObject *Curve_setSize( BPy_Curve * self, PyObject * args );
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static PyObject *Curve_getNumCurves( BPy_Curve * self );
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static PyObject *Curve_isNurb( BPy_Curve * self, PyObject * args );
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static PyObject *Curve_isCyclic( BPy_Curve * self, PyObject * args);
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static PyObject *Curve_getNumPoints( BPy_Curve * self, PyObject * args );
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static PyObject *Curve_getNumPoints( BPy_Curve * self, PyObject * args );
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static PyObject *Curve_appendPoint( BPy_Curve * self, PyObject * args );
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static PyObject *Curve_appendNurb( BPy_Curve * self, PyObject * args );
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static PyObject *Curve_getMaterials( BPy_Curve * self );
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static PyObject *Curve_getBevOb( BPy_Curve * self );
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static PyObject *Curve_setBevOb( BPy_Curve * self, PyObject * args );
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static PyObject *Curve_getIter( BPy_Curve * self );
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static PyObject *Curve_iterNext( BPy_Curve * self );
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static PyObject *Curve_update( BPy_Curve * self );
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PyObject *Curve_getNurb( BPy_Curve * self, int n );
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static int Curve_length( PyInstanceObject * inst );
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void update_displists( void *data );
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void makeDispList( Object * ob );
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struct chartrans *text_to_curve( Object * ob, int mode );
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/*****************************************************************************/
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/* Python method definitions for Blender.Curve module: */
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/*****************************************************************************/
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struct PyMethodDef M_Curve_methods[] = {
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{"New", ( PyCFunction ) M_Curve_New, METH_VARARGS, M_Curve_New_doc},
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{"Get", M_Curve_Get, METH_VARARGS, M_Curve_Get_doc},
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{"get", M_Curve_Get, METH_VARARGS, M_Curve_Get_doc},
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{NULL, NULL, 0, NULL}
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};
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/*****************************************************************************/
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/* Python BPy_Curve instance methods table: */
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/*****************************************************************************/
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static PyMethodDef BPy_Curve_methods[] = {
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{"getName", ( PyCFunction ) Curve_getName,
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METH_NOARGS, "() - Return Curve Data name"},
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{"setName", ( PyCFunction ) Curve_setName,
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METH_VARARGS, "() - Sets Curve Data name"},
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{"getPathLen", ( PyCFunction ) Curve_getPathLen,
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METH_NOARGS, "() - Return Curve path length"},
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{"setPathLen", ( PyCFunction ) Curve_setPathLen,
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METH_VARARGS, "(int) - Sets Curve path length"},
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{"getTotcol", ( PyCFunction ) Curve_getTotcol,
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METH_NOARGS, "() - Return the number of materials of the curve"},
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{"setTotcol", ( PyCFunction ) Curve_setTotcol,
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METH_VARARGS, "(int) - Sets the number of materials of the curve"},
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{"getFlag", ( PyCFunction ) Curve_getMode,
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METH_NOARGS, "() - Return flag (see the doc for semantic)"},
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{"setFlag", ( PyCFunction ) Curve_setMode,
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METH_VARARGS, "(int) - Sets flag (see the doc for semantic)"},
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{"getBevresol", ( PyCFunction ) Curve_getBevresol,
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METH_NOARGS, "() - Return bevel resolution"},
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{"setBevresol", ( PyCFunction ) Curve_setBevresol,
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METH_VARARGS, "(int) - Sets bevel resolution"},
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{"getResolu", ( PyCFunction ) Curve_getResolu,
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METH_NOARGS, "() - Return U resolution"},
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{"setResolu", ( PyCFunction ) Curve_setResolu,
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METH_VARARGS, "(int) - Sets U resolution"},
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{"getResolv", ( PyCFunction ) Curve_getResolv,
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METH_NOARGS, "() - Return V resolution"},
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{"setResolv", ( PyCFunction ) Curve_setResolv,
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METH_VARARGS, "(int) - Sets V resolution"},
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{"getWidth", ( PyCFunction ) Curve_getWidth,
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METH_NOARGS, "() - Return curve width"},
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{"setWidth", ( PyCFunction ) Curve_setWidth,
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METH_VARARGS, "(int) - Sets curve width"},
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{"getExt1", ( PyCFunction ) Curve_getExt1,
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METH_NOARGS, "() - Returns extent 1 of the bevel"},
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{"setExt1", ( PyCFunction ) Curve_setExt1,
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METH_VARARGS, "(int) - Sets extent 1 of the bevel"},
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{"getExt2", ( PyCFunction ) Curve_getExt2,
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METH_NOARGS, "() - Return extent 2 of the bevel "},
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{"setExt2", ( PyCFunction ) Curve_setExt2,
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METH_VARARGS, "(int) - Sets extent 2 of the bevel "},
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{"getControlPoint", ( PyCFunction ) Curve_getControlPoint,
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METH_VARARGS, "(int numcurve,int numpoint) -\
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Gets a control point.Depending upon the curve type, returne a list of 4 or 9 floats"},
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{"setControlPoint", ( PyCFunction ) Curve_setControlPoint,
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METH_VARARGS, "(int numcurve,int numpoint,float x,float y,float z,\
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float w)(nurbs) or (int numcurve,int numpoint,float x1,...,x9(bezier)\
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Sets a control point "},
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{"getLoc", ( PyCFunction ) Curve_getLoc,
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METH_NOARGS, "() - Gets Location of the curve (a 3-tuple) "},
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{"setLoc", ( PyCFunction ) Curve_setLoc,
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METH_VARARGS, "(3-tuple) - Sets Location "},
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{"getRot", ( PyCFunction ) Curve_getRot,
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METH_NOARGS, "() - Gets curve rotation"},
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{"setRot", ( PyCFunction ) Curve_setRot,
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METH_VARARGS, "(3-tuple) - Sets curve rotation"},
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{"getSize", ( PyCFunction ) Curve_getSize,
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METH_NOARGS, "() - Gets curve size"},
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{"setSize", ( PyCFunction ) Curve_setSize,
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METH_VARARGS, "(3-tuple) - Sets curve size"},
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{"getNumCurves", ( PyCFunction ) Curve_getNumCurves,
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METH_NOARGS, "() - Gets number of curves in Curve"},
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{"isNurb", ( PyCFunction ) Curve_isNurb,
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METH_VARARGS,
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"(nothing or integer) - returns 1 if curve is type Nurb, O otherwise."},
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{"isCyclic", ( PyCFunction ) Curve_isCyclic,
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METH_VARARGS, "( nothing or integer ) - returns true if curve is cyclic (closed), false otherwise."},
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{"getNumPoints", ( PyCFunction ) Curve_getNumPoints,
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METH_VARARGS,
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"(nothing or integer) - returns the number of points of the specified curve"},
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{"appendPoint", ( PyCFunction ) Curve_appendPoint, METH_VARARGS,
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"( int numcurve, list of coordinates) - adds a new point to end of curve"},
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{"appendNurb", ( PyCFunction ) Curve_appendNurb, METH_VARARGS,
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"( new_nurb ) - adds a new nurb to the Curve"},
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{"update", ( PyCFunction ) Curve_update, METH_NOARGS,
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"( ) - updates display lists after changes to Curve"},
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{"getMaterials", ( PyCFunction ) Curve_getMaterials, METH_NOARGS,
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"() - returns list of materials assigned to this Curve"},
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{"getBevOb", ( PyCFunction ) Curve_getBevOb, METH_NOARGS,
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"() - returns Bevel Object assigned to this Curve"},
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{"setBevOb", ( PyCFunction ) Curve_setBevOb, METH_VARARGS,
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"() - assign a Bevel Object to this Curve"},
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{NULL, NULL, 0, NULL}
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};
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/*****************************************************************************/
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/* Python Curve_Type callback function prototypes: */
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/*****************************************************************************/
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static void CurveDeAlloc( BPy_Curve * msh );
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/* static int CurvePrint (BPy_Curve *msh, FILE *fp, int flags); */
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static int CurveSetAttr( BPy_Curve * msh, char *name, PyObject * v );
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static PyObject *CurveGetAttr( BPy_Curve * msh, char *name );
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static PyObject *CurveRepr( BPy_Curve * msh );
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PyObject *Curve_CreatePyObject( struct Curve *curve );
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int Curve_CheckPyObject( PyObject * py_obj );
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struct Curve *Curve_FromPyObject( PyObject * py_obj );
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static PySequenceMethods Curve_as_sequence = {
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( inquiry ) Curve_length, /* sq_length */
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( binaryfunc ) 0, /* sq_concat */
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( intargfunc ) 0, /* sq_repeat */
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( intargfunc ) Curve_getNurb, /* sq_item */
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( intintargfunc ) 0, /* sq_slice */
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0, /* sq_ass_item */
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0, /* sq_ass_slice */
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( objobjproc ) 0, /* sq_contains */
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0,
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0
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};
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/*****************************************************************************/
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/* Python Curve_Type structure definition: */
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/*****************************************************************************/
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PyTypeObject Curve_Type = {
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PyObject_HEAD_INIT( NULL ) /* required macro */
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0, /* ob_size */
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"Curve", /* tp_name - for printing */
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sizeof( BPy_Curve ), /* tp_basicsize - for allocation */
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0, /* tp_itemsize - for allocation */
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/* methods for standard operations */
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( destructor ) CurveDeAlloc, /* tp_dealloc */
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0, /* tp_print */
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( getattrfunc ) CurveGetAttr, /* tp_getattr */
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( setattrfunc ) CurveSetAttr, /* tp_setattr */
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0, /* tp_compare */
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( reprfunc ) CurveRepr, /* tp_repr */
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/* methods for standard classes */
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0, /* tp_as_number */
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&Curve_as_sequence, /* tp_as_sequence */
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0, /* tp_as_mapping */
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0, /* tp_as_hash */
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0, /* tp_call */
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0, /* tp_str */
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0, /* tp_getattro */
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0, /* tp_setattro */
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0, /* tp_as_buffer */
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/* Flags to define presence of optional/expaned features */
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Py_TPFLAGS_HAVE_ITER, /* tp_flags */
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0, /* tp_doc - documentation string */
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0, /* tp_traverse */
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/* delete references to contained objects */
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0, /* tp_clear */
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0, /* tp_richcompare - rich comparisions */
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0, /* tp_weaklistoffset - weak reference enabler */
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/* new release 2.2 stuff - Iterators */
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( getiterfunc ) Curve_getIter, /* tp_iter */
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( iternextfunc ) Curve_iterNext, /* tp_iternext */
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/* Attribute descriptor and subclassing stuff */
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BPy_Curve_methods, /* tp_methods */
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0, /* tp_members */
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0, /* tp_getset; */
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0, /* tp_base; */
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0, /* tp_dict; */
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0, /* tp_descr_get; */
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0, /* tp_descr_set; */
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0, /* tp_dictoffset; */
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0, /* tp_init; */
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0, /* tp_alloc; */
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0, /* tp_new; */
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0, /* tp_free; Low-level free-memory routine */
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0, /* tp_is_gc */
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0, /* tp_bases; */
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0, /* tp_mro; method resolution order */
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0, /* tp_defined; */
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0, /* tp_weakllst */
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0,
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0
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};
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/*****************************************************************************/
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/* Function: M_Curve_New */
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/* Python equivalent: Blender.Curve.New */
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/*****************************************************************************/
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static PyObject *M_Curve_New( PyObject * self, PyObject * args )
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{
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char buf[24];
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char *name = NULL;
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BPy_Curve *pycurve; /* for Curve Data object wrapper in Python */
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Curve *blcurve = 0; /* for actual Curve Data we create in Blender */
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if( !PyArg_ParseTuple( args, "|s", &name ) )
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return ( EXPP_ReturnPyObjError
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( PyExc_AttributeError,
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"expected string argument or no argument" ) );
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blcurve = add_curve( OB_CURVE ); /* first create the Curve Data in Blender */
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if( blcurve == NULL ) /* bail out if add_curve() failed */
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return ( EXPP_ReturnPyObjError
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( PyExc_RuntimeError,
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"couldn't create Curve Data in Blender" ) );
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/* return user count to zero because add_curve() inc'd it */
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blcurve->id.us = 0;
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/* create python wrapper obj */
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pycurve = ( BPy_Curve * ) PyObject_NEW( BPy_Curve, &Curve_Type );
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if( pycurve == NULL )
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return ( EXPP_ReturnPyObjError
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( PyExc_MemoryError,
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"couldn't create Curve Data object" ) );
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pycurve->curve = blcurve; /* link Python curve wrapper to Blender Curve */
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if( name ) {
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PyOS_snprintf( buf, sizeof( buf ), "%s", name );
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rename_id( &blcurve->id, buf );
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}
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return ( PyObject * ) pycurve;
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}
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/*****************************************************************************/
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/* Function: M_Curve_Get */
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/* Python equivalent: Blender.Curve.Get */
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/*****************************************************************************/
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static PyObject *M_Curve_Get( PyObject * self, PyObject * args )
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{
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char *name = NULL;
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Curve *curv_iter;
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BPy_Curve *wanted_curv;
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if( !PyArg_ParseTuple( args, "|s", &name ) ) /* expects nothing or a string */
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return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
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"expected string argument" ) );
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if( name ) { /*a name has been given */
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/* Use the name to search for the curve requested */
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wanted_curv = NULL;
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curv_iter = G.main->curve.first;
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while( ( curv_iter ) && ( wanted_curv == NULL ) ) {
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if( strcmp( name, curv_iter->id.name + 2 ) == 0 ) {
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wanted_curv = ( BPy_Curve * )
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PyObject_NEW( BPy_Curve, &Curve_Type );
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if( wanted_curv )
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wanted_curv->curve = curv_iter;
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}
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curv_iter = curv_iter->id.next;
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}
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if( wanted_curv == NULL ) { /* Requested curve doesn't exist */
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char error_msg[64];
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PyOS_snprintf( error_msg, sizeof( error_msg ),
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"Curve \"%s\" not found", name );
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return ( EXPP_ReturnPyObjError
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( PyExc_NameError, error_msg ) );
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}
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return ( PyObject * ) wanted_curv;
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} /* end of if(name) */
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else {
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/* no name has been given; return a list of all curves by name. */
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PyObject *curvlist;
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curv_iter = G.main->curve.first;
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curvlist = PyList_New( 0 );
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if( curvlist == NULL )
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return ( EXPP_ReturnPyObjError( PyExc_MemoryError,
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"couldn't create PyList" ) );
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while( curv_iter ) {
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BPy_Curve *found_cur =
|
|
( BPy_Curve * ) PyObject_NEW( BPy_Curve,
|
|
&Curve_Type );
|
|
found_cur->curve = curv_iter;
|
|
PyList_Append( curvlist, ( PyObject * ) found_cur );
|
|
|
|
curv_iter = curv_iter->id.next;
|
|
}
|
|
|
|
return ( curvlist );
|
|
} /* end of else */
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Function: Curve_Init */
|
|
/*****************************************************************************/
|
|
PyObject *Curve_Init( void )
|
|
{
|
|
PyObject *submodule;
|
|
|
|
Curve_Type.ob_type = &PyType_Type;
|
|
|
|
submodule =
|
|
Py_InitModule3( "Blender.Curve", M_Curve_methods,
|
|
M_Curve_doc );
|
|
return ( submodule );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Python BPy_Curve methods: */
|
|
/* gives access to */
|
|
/* name, pathlen totcol flag bevresol */
|
|
/* resolu resolv width ext1 ext2 */
|
|
/* controlpoint loc rot size */
|
|
/* numpts */
|
|
/*****************************************************************************/
|
|
|
|
|
|
PyObject *Curve_getName( BPy_Curve * self )
|
|
{
|
|
PyObject *attr = PyString_FromString( self->curve->id.name + 2 );
|
|
|
|
if( attr )
|
|
return attr;
|
|
|
|
return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
|
|
"couldn't get Curve.name attribute" ) );
|
|
}
|
|
|
|
PyObject *Curve_setName( BPy_Curve * self, PyObject * args )
|
|
{
|
|
char *name;
|
|
char buf[50];
|
|
|
|
if( !PyArg_ParseTuple( args, "s", &( name ) ) )
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"expected string argument" ) );
|
|
PyOS_snprintf( buf, sizeof( buf ), "%s", name );
|
|
rename_id( &self->curve->id, buf ); /* proper way in Blender */
|
|
|
|
Py_INCREF( Py_None );
|
|
return Py_None;
|
|
}
|
|
|
|
static PyObject *Curve_getPathLen( BPy_Curve * self )
|
|
{
|
|
PyObject *attr = PyInt_FromLong( ( long ) self->curve->pathlen );
|
|
|
|
if( attr )
|
|
return attr;
|
|
|
|
return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
|
|
"couldn't get Curve.pathlen attribute" ) );
|
|
}
|
|
|
|
|
|
static PyObject *Curve_setPathLen( BPy_Curve * self, PyObject * args )
|
|
{
|
|
|
|
if( !PyArg_ParseTuple( args, "i", &( self->curve->pathlen ) ) )
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"expected int argument" ) );
|
|
|
|
Py_INCREF( Py_None );
|
|
return Py_None;
|
|
}
|
|
|
|
|
|
static PyObject *Curve_getTotcol( BPy_Curve * self )
|
|
{
|
|
PyObject *attr = PyInt_FromLong( ( long ) self->curve->totcol );
|
|
|
|
if( attr )
|
|
return attr;
|
|
|
|
return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
|
|
"couldn't get Curve.totcol attribute" ) );
|
|
}
|
|
|
|
|
|
static PyObject *Curve_setTotcol( BPy_Curve * self, PyObject * args )
|
|
{
|
|
|
|
if( !PyArg_ParseTuple( args, "i", &( self->curve->totcol ) ) )
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"expected int argument" ) );
|
|
|
|
Py_INCREF( Py_None );
|
|
return Py_None;
|
|
}
|
|
|
|
|
|
PyObject *Curve_getMode( BPy_Curve * self )
|
|
{
|
|
PyObject *attr = PyInt_FromLong( ( long ) self->curve->flag );
|
|
|
|
if( attr )
|
|
return attr;
|
|
|
|
return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
|
|
"couldn't get Curve.flag attribute" ) );
|
|
}
|
|
|
|
|
|
PyObject *Curve_setMode( BPy_Curve * self, PyObject * args )
|
|
{
|
|
|
|
if( !PyArg_ParseTuple( args, "i", &( self->curve->flag ) ) )
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"expected int argument" ) );
|
|
|
|
Py_INCREF( Py_None );
|
|
return Py_None;
|
|
}
|
|
|
|
|
|
PyObject *Curve_getBevresol( BPy_Curve * self )
|
|
{
|
|
PyObject *attr = PyInt_FromLong( ( long ) self->curve->bevresol );
|
|
|
|
if( attr )
|
|
return attr;
|
|
|
|
return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
|
|
"couldn't get Curve.bevresol attribute" ) );
|
|
}
|
|
|
|
|
|
PyObject *Curve_setBevresol( BPy_Curve * self, PyObject * args )
|
|
{
|
|
short value;
|
|
|
|
if( !PyArg_ParseTuple( args, "h", &value ) )
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"expected integer argument" ) );
|
|
|
|
if(value > 10 || value < 0)
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"acceptable values are between 10 and 0" ) );
|
|
self->curve->bevresol = value;
|
|
|
|
return EXPP_incr_ret( Py_None );
|
|
}
|
|
|
|
|
|
PyObject *Curve_getResolu( BPy_Curve * self )
|
|
{
|
|
PyObject *attr = PyInt_FromLong( ( long ) self->curve->resolu );
|
|
|
|
if( attr )
|
|
return attr;
|
|
|
|
return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
|
|
"couldn't get Curve.resolu attribute" ) );
|
|
}
|
|
|
|
|
|
PyObject *Curve_setResolu( BPy_Curve * self, PyObject * args )
|
|
{
|
|
short value;
|
|
|
|
if( !PyArg_ParseTuple( args, "h", &value ) )
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"expected integer argument" ) );
|
|
|
|
if(value > 128 || value < 1)
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"acceptable values are between 128 and 1" ) );
|
|
self->curve->resolu = value;
|
|
|
|
return EXPP_incr_ret( Py_None );
|
|
}
|
|
|
|
|
|
|
|
PyObject *Curve_getResolv( BPy_Curve * self )
|
|
{
|
|
PyObject *attr = PyInt_FromLong( ( long ) self->curve->resolv );
|
|
|
|
if( attr )
|
|
return attr;
|
|
|
|
return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
|
|
"couldn't get Curve.resolv attribute" ) );
|
|
}
|
|
|
|
|
|
PyObject *Curve_setResolv( BPy_Curve * self, PyObject * args )
|
|
{
|
|
short value;
|
|
|
|
if( !PyArg_ParseTuple( args, "h", &value ) )
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"expected integer argument" ) );
|
|
|
|
if(value > 128 || value < 1)
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"acceptable values are between 128 and 1" ) );
|
|
self->curve->resolv = value;
|
|
|
|
return EXPP_incr_ret( Py_None );
|
|
}
|
|
|
|
|
|
|
|
PyObject *Curve_getWidth( BPy_Curve * self )
|
|
{
|
|
PyObject *attr = PyFloat_FromDouble( ( double ) self->curve->width );
|
|
|
|
if( attr )
|
|
return attr;
|
|
|
|
return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
|
|
"couldn't get Curve.width attribute" ) );
|
|
}
|
|
|
|
|
|
PyObject *Curve_setWidth( BPy_Curve * self, PyObject * args )
|
|
{
|
|
float value;
|
|
|
|
if( !PyArg_ParseTuple( args, "f", &value ) )
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"expected float argument" ) );
|
|
|
|
if(value > 2.0f || value < 0.0f)
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"acceptable values are between 2.0 and 0.0" ) );
|
|
self->curve->width = value;
|
|
|
|
return EXPP_incr_ret( Py_None );
|
|
}
|
|
|
|
|
|
PyObject *Curve_getExt1( BPy_Curve * self )
|
|
{
|
|
PyObject *attr = PyFloat_FromDouble( ( double ) self->curve->ext1 );
|
|
|
|
if( attr )
|
|
return attr;
|
|
|
|
return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
|
|
"couldn't get Curve.ext1 attribute" ) );
|
|
}
|
|
|
|
|
|
PyObject *Curve_setExt1( BPy_Curve * self, PyObject * args )
|
|
{
|
|
float value;
|
|
|
|
if( !PyArg_ParseTuple( args, "f", &value ) )
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"expected float argument" ) );
|
|
|
|
if(value > 5.0f || value < 0.0f)
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"acceptable values are between 5.0 and 0.0" ) );
|
|
self->curve->ext1 = value;
|
|
|
|
return EXPP_incr_ret( Py_None );
|
|
}
|
|
|
|
|
|
|
|
PyObject *Curve_getExt2( BPy_Curve * self )
|
|
{
|
|
PyObject *attr = PyFloat_FromDouble( ( double ) self->curve->ext2 );
|
|
|
|
if( attr )
|
|
return attr;
|
|
|
|
return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
|
|
"couldn't get Curve.ext2 attribute" ) );
|
|
}
|
|
|
|
|
|
PyObject *Curve_setExt2( BPy_Curve * self, PyObject * args )
|
|
{
|
|
float value;
|
|
|
|
if( !PyArg_ParseTuple( args, "f", &value ) )
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"expected float argument" ) );
|
|
|
|
if(value > 2.0f || value < 0.0f)
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"acceptable values are between 2.0 and 0.0" ) );
|
|
self->curve->ext2 = value;
|
|
|
|
return EXPP_incr_ret( Py_None );
|
|
}
|
|
|
|
|
|
/*
|
|
static PyObject *Curve_setControlPoint(BPy_Curve *self, PyObject *args)
|
|
{
|
|
Nurb*ptrnurb = self->curve->nurb.first;
|
|
int numcourbe,numpoint,i,j;
|
|
float x,y,z,w;
|
|
float bez[9];
|
|
if (!ptrnurb){ Py_INCREF(Py_None);return Py_None;}
|
|
|
|
if (ptrnurb->bp)
|
|
if (!PyArg_ParseTuple(args, "iiffff", &numcourbe,&numpoint,&x,&y,&z,&w))
|
|
return (EXPP_ReturnPyObjError (PyExc_AttributeError,
|
|
"expected int int float float float float arguments"));
|
|
if (ptrnurb->bezt)
|
|
if (!PyArg_ParseTuple(args, "iifffffffff", &numcourbe,&numpoint,
|
|
bez,bez+1,bez+2,bez+3,bez+4,bez+5,bez+6,bez+7,bez+8))
|
|
return (EXPP_ReturnPyObjError (PyExc_AttributeError,
|
|
"expected int int float float float float float float "
|
|
"float float float arguments"));
|
|
|
|
for(i = 0;i< numcourbe;i++)
|
|
ptrnurb=ptrnurb->next;
|
|
if (ptrnurb->bp)
|
|
{
|
|
ptrnurb->bp[numpoint].vec[0] = x;
|
|
ptrnurb->bp[numpoint].vec[1] = y;
|
|
ptrnurb->bp[numpoint].vec[2] = z;
|
|
ptrnurb->bp[numpoint].vec[3] = w;
|
|
}
|
|
if (ptrnurb->bezt)
|
|
{
|
|
for(i = 0;i<3;i++)
|
|
for(j = 0;j<3;j++)
|
|
ptrnurb->bezt[numpoint].vec[i][j] = bez[i*3+j];
|
|
}
|
|
|
|
Py_INCREF(Py_None);
|
|
return Py_None;
|
|
}
|
|
*/
|
|
|
|
|
|
/*
|
|
* Curve_setControlPoint
|
|
* this function sets an EXISTING control point.
|
|
* it does NOT add a new one.
|
|
*/
|
|
|
|
static PyObject *Curve_setControlPoint( BPy_Curve * self, PyObject * args )
|
|
{
|
|
PyObject *listargs = 0;
|
|
Nurb *ptrnurb = self->curve->nurb.first;
|
|
int numcourbe, numpoint, i, j;
|
|
|
|
if( !ptrnurb ) {
|
|
Py_INCREF( Py_None );
|
|
return Py_None;
|
|
}
|
|
|
|
if( ptrnurb->bp )
|
|
if( !PyArg_ParseTuple
|
|
( args, "iiO", &numcourbe, &numpoint, &listargs ) )
|
|
return ( EXPP_ReturnPyObjError
|
|
( PyExc_AttributeError,
|
|
"expected int int list arguments" ) );
|
|
if( ptrnurb->bezt )
|
|
if( !PyArg_ParseTuple
|
|
( args, "iiO", &numcourbe, &numpoint, &listargs ) )
|
|
return ( EXPP_ReturnPyObjError
|
|
( PyExc_AttributeError,
|
|
"expected int int list arguments" ) );
|
|
|
|
for( i = 0; i < numcourbe; i++ )
|
|
ptrnurb = ptrnurb->next;
|
|
|
|
if( ptrnurb->bp )
|
|
for( i = 0; i < 4; i++ )
|
|
ptrnurb->bp[numpoint].vec[i] =
|
|
PyFloat_AsDouble( PyList_GetItem
|
|
( listargs, i ) );
|
|
|
|
if( ptrnurb->bezt )
|
|
for( i = 0; i < 3; i++ )
|
|
for( j = 0; j < 3; j++ )
|
|
ptrnurb->bezt[numpoint].vec[i][j] =
|
|
PyFloat_AsDouble( PyList_GetItem
|
|
( listargs,
|
|
i * 3 + j ) );
|
|
|
|
Py_INCREF( Py_None );
|
|
return Py_None;
|
|
}
|
|
|
|
static PyObject *Curve_getControlPoint( BPy_Curve * self, PyObject * args )
|
|
{
|
|
PyObject *liste = PyList_New( 0 ); /* return values */
|
|
|
|
Nurb *ptrnurb;
|
|
int i, j;
|
|
/* input args: requested curve and point number on curve */
|
|
int numcourbe, numpoint;
|
|
|
|
if( !PyArg_ParseTuple( args, "ii", &numcourbe, &numpoint ) )
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"expected int int arguments" ) );
|
|
if( ( numcourbe < 0 ) || ( numpoint < 0 ) )
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
" arguments must be non-negative" ) );
|
|
|
|
/* if no nurbs in this curve obj */
|
|
if( !self->curve->nurb.first )
|
|
return liste;
|
|
|
|
/* walk the list of nurbs to find requested numcourbe */
|
|
ptrnurb = self->curve->nurb.first;
|
|
for( i = 0; i < numcourbe; i++ ) {
|
|
ptrnurb = ptrnurb->next;
|
|
if( !ptrnurb ) /* if zero, we ran just ran out of curves */
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"curve index out of range" ) );
|
|
}
|
|
|
|
/* check numpoint param against pntsu */
|
|
if( numpoint >= ptrnurb->pntsu )
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"point index out of range" ) );
|
|
|
|
if( ptrnurb->bp ) { /* if we are a nurb curve, you get 4 values */
|
|
for( i = 0; i < 4; i++ )
|
|
PyList_Append( liste,
|
|
PyFloat_FromDouble( ptrnurb->
|
|
bp[numpoint].
|
|
vec[i] ) );
|
|
}
|
|
|
|
if( ptrnurb->bezt ) { /* if we are a bezier, you get 9 values */
|
|
for( i = 0; i < 3; i++ )
|
|
for( j = 0; j < 3; j++ )
|
|
PyList_Append( liste,
|
|
PyFloat_FromDouble( ptrnurb->
|
|
bezt
|
|
[numpoint].
|
|
vec[i]
|
|
[j] ) );
|
|
}
|
|
|
|
return liste;
|
|
}
|
|
|
|
|
|
|
|
static PyObject *Curve_getLoc( BPy_Curve * self )
|
|
{
|
|
int i;
|
|
PyObject *liste = PyList_New( 3 );
|
|
for( i = 0; i < 3; i++ )
|
|
PyList_SetItem( liste, i,
|
|
PyFloat_FromDouble( self->curve->loc[i] ) );
|
|
return liste;
|
|
}
|
|
|
|
static PyObject *Curve_setLoc( BPy_Curve * self, PyObject * args )
|
|
{
|
|
PyObject *listargs = 0;
|
|
int i;
|
|
if( !PyArg_ParseTuple( args, "O", &listargs ) )
|
|
return EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"expected list argument" );
|
|
if( !PyList_Check( listargs ) )
|
|
return ( EXPP_ReturnPyObjError
|
|
( PyExc_TypeError, "expected a list" ) );
|
|
for( i = 0; i < 3; i++ ) {
|
|
PyObject *xx = PyList_GetItem( listargs, i );
|
|
self->curve->loc[i] = PyFloat_AsDouble( xx );
|
|
}
|
|
Py_INCREF( Py_None );
|
|
return Py_None;
|
|
}
|
|
|
|
static PyObject *Curve_getRot( BPy_Curve * self )
|
|
{
|
|
|
|
int i;
|
|
PyObject *liste = PyList_New( 3 );
|
|
for( i = 0; i < 3; i++ )
|
|
PyList_SetItem( liste, i,
|
|
PyFloat_FromDouble( self->curve->rot[i] ) );
|
|
return liste;
|
|
|
|
}
|
|
|
|
static PyObject *Curve_setRot( BPy_Curve * self, PyObject * args )
|
|
{
|
|
PyObject *listargs = 0;
|
|
int i;
|
|
if( !PyArg_ParseTuple( args, "O", &listargs ) )
|
|
return EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"expected list argument" );
|
|
if( !PyList_Check( listargs ) )
|
|
return ( EXPP_ReturnPyObjError
|
|
( PyExc_TypeError, "expected a list" ) );
|
|
for( i = 0; i < 3; i++ ) {
|
|
PyObject *xx = PyList_GetItem( listargs, i );
|
|
self->curve->rot[i] = PyFloat_AsDouble( xx );
|
|
}
|
|
Py_INCREF( Py_None );
|
|
return Py_None;
|
|
|
|
}
|
|
static PyObject *Curve_getSize( BPy_Curve * self )
|
|
{
|
|
int i;
|
|
PyObject *liste = PyList_New( 3 );
|
|
for( i = 0; i < 3; i++ )
|
|
PyList_SetItem( liste, i,
|
|
PyFloat_FromDouble( self->curve->size[i] ) );
|
|
return liste;
|
|
|
|
}
|
|
|
|
static PyObject *Curve_setSize( BPy_Curve * self, PyObject * args )
|
|
{
|
|
PyObject *listargs = 0;
|
|
int i;
|
|
if( !PyArg_ParseTuple( args, "O", &listargs ) )
|
|
return EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"expected list argument" );
|
|
if( !PyList_Check( listargs ) )
|
|
return ( EXPP_ReturnPyObjError
|
|
( PyExc_TypeError, "expected a list" ) );
|
|
for( i = 0; i < 3; i++ ) {
|
|
PyObject *xx = PyList_GetItem( listargs, i );
|
|
self->curve->size[i] = PyFloat_AsDouble( xx );
|
|
}
|
|
Py_INCREF( Py_None );
|
|
return Py_None;
|
|
}
|
|
|
|
|
|
/*
|
|
* Count the number of splines in a Curve Object
|
|
* int getNumCurves()
|
|
*/
|
|
|
|
static PyObject *Curve_getNumCurves( BPy_Curve * self )
|
|
{
|
|
Nurb *ptrnurb;
|
|
PyObject *ret_val;
|
|
int num_curves = 0; /* start with no splines */
|
|
|
|
/* get curve */
|
|
ptrnurb = self->curve->nurb.first;
|
|
if( ptrnurb ) { /* we have some nurbs in this curve */
|
|
while( 1 ) {
|
|
++num_curves;
|
|
ptrnurb = ptrnurb->next;
|
|
if( !ptrnurb ) /* no more curves */
|
|
break;
|
|
}
|
|
}
|
|
|
|
ret_val = PyInt_FromLong( ( long ) num_curves );
|
|
|
|
if( ret_val )
|
|
return ret_val;
|
|
|
|
/* oops! */
|
|
return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
|
|
"couldn't get number of curves" ) );
|
|
}
|
|
|
|
|
|
/*
|
|
* count the number of points in a given spline
|
|
* int getNumPoints( curve_num=0 )
|
|
*
|
|
*/
|
|
|
|
static PyObject *Curve_getNumPoints( BPy_Curve * self, PyObject * args )
|
|
{
|
|
Nurb *ptrnurb;
|
|
PyObject *ret_val;
|
|
int curve_num = 0; /* default spline number */
|
|
int i;
|
|
|
|
/* parse input arg */
|
|
if( !PyArg_ParseTuple( args, "|i", &curve_num ) )
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"expected int argument" ) );
|
|
|
|
/* check arg - must be non-negative */
|
|
if( curve_num < 0 )
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"argument must be non-negative" ) );
|
|
|
|
|
|
/* walk the list of curves looking for our curve */
|
|
ptrnurb = self->curve->nurb.first;
|
|
if( !ptrnurb ) { /* no splines in this Curve */
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"no splines in this Curve" ) );
|
|
}
|
|
|
|
for( i = 0; i < curve_num; i++ ) {
|
|
ptrnurb = ptrnurb->next;
|
|
if( !ptrnurb ) /* if zero, we ran just ran out of curves */
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"curve index out of range" ) );
|
|
}
|
|
|
|
/* pntsu is the number of points in curve */
|
|
ret_val = PyInt_FromLong( ( long ) ptrnurb->pntsu );
|
|
|
|
if( ret_val )
|
|
return ret_val;
|
|
|
|
/* oops! */
|
|
return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
|
|
"couldn't get number of points for curve" ) );
|
|
}
|
|
|
|
/*
|
|
* Test whether a given spline of a Curve is a nurb
|
|
* as opposed to a bezier
|
|
* int isNurb( curve_num=0 )
|
|
*/
|
|
|
|
static PyObject *Curve_isNurb( BPy_Curve * self, PyObject * args )
|
|
{
|
|
int curve_num = 0; /* default value */
|
|
int is_nurb;
|
|
Nurb *ptrnurb;
|
|
PyObject *ret_val;
|
|
int i;
|
|
|
|
/* parse and check input args */
|
|
if( !PyArg_ParseTuple( args, "|i", &curve_num ) ) {
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"expected int argument" ) );
|
|
}
|
|
if( curve_num < 0 ) {
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"curve number must be non-negative" ) );
|
|
}
|
|
|
|
ptrnurb = self->curve->nurb.first;
|
|
|
|
if( !ptrnurb ) /* no splines in this curve */
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"no splines in this Curve" ) );
|
|
|
|
for( i = 0; i < curve_num; i++ ) {
|
|
ptrnurb = ptrnurb->next;
|
|
if( !ptrnurb ) /* if zero, we ran just ran out of curves */
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"curve index out of range" ) );
|
|
}
|
|
|
|
/* right now, there are only two curve types, nurb and bezier. */
|
|
is_nurb = ptrnurb->bp ? 1 : 0;
|
|
|
|
ret_val = PyInt_FromLong( ( long ) is_nurb );
|
|
if( ret_val )
|
|
return ret_val;
|
|
|
|
/* oops */
|
|
return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
|
|
"couldn't get curve type" ) );
|
|
}
|
|
|
|
/* trying to make a check for closedness (cyclic), following on isNurb (above)
|
|
copy-pasting done by antont@kyperjokki.fi */
|
|
|
|
static PyObject *Curve_isCyclic( BPy_Curve * self, PyObject * args )
|
|
{
|
|
int curve_num = 0; /* default value */
|
|
/* unused:*/
|
|
/* int is_cyclic;
|
|
* PyObject *ret_val;*/
|
|
Nurb *ptrnurb;
|
|
int i;
|
|
|
|
/* parse and check input args */
|
|
if( !PyArg_ParseTuple( args, "|i", &curve_num ) ) {
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"expected int argument" ) );
|
|
}
|
|
if( curve_num < 0 ) {
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"curve number must be non-negative" ) );
|
|
}
|
|
|
|
ptrnurb = self->curve->nurb.first;
|
|
|
|
if( !ptrnurb ) /* no splines in this curve */
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"no splines in this Curve" ) );
|
|
|
|
for( i = 0; i < curve_num; i++ ) {
|
|
ptrnurb = ptrnurb->next;
|
|
if( !ptrnurb ) /* if zero, we ran just ran out of curves */
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"curve index out of range" ) );
|
|
}
|
|
|
|
if( ptrnurb->flagu & CU_CYCLIC ){
|
|
return EXPP_incr_ret_True();
|
|
} else {
|
|
return EXPP_incr_ret_False();
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Curve_appendPoint( numcurve, new_point )
|
|
* append a new point to indicated spline
|
|
*/
|
|
|
|
static PyObject *Curve_appendPoint( BPy_Curve * self, PyObject * args )
|
|
{
|
|
int i;
|
|
int nurb_num; /* index of curve we append to */
|
|
PyObject *coord_args; /* coords for new point */
|
|
Nurb *nurb = self->curve->nurb.first; /* first nurb in Curve */
|
|
|
|
/* fixme - need to malloc new Nurb */
|
|
if( !nurb )
|
|
return ( EXPP_ReturnPyObjError
|
|
( PyExc_AttributeError, "no nurbs in this Curve" ) );
|
|
|
|
if( !PyArg_ParseTuple( args, "iO", &nurb_num, &coord_args ) )
|
|
return ( EXPP_ReturnPyObjError
|
|
( PyExc_AttributeError,
|
|
"expected int, coords as arguments" ) );
|
|
|
|
/*
|
|
chase down the list of Nurbs looking for our curve.
|
|
*/
|
|
for( i = 0; i < nurb_num; i++ ) {
|
|
nurb = nurb->next;
|
|
if( !nurb ) /* we ran off end of list */
|
|
return ( EXPP_ReturnPyObjError
|
|
( PyExc_AttributeError,
|
|
"curve index out of range" ) );
|
|
}
|
|
|
|
return CurNurb_appendPointToNurb( nurb, coord_args );
|
|
|
|
}
|
|
|
|
|
|
static PyObject *Curve_appendNurb( BPy_Curve * self, PyObject * args )
|
|
{
|
|
Nurb *nurb_ptr = self->curve->nurb.first;
|
|
Nurb **pptr = ( Nurb ** ) & ( self->curve->nurb.first );
|
|
Nurb *new_nurb;
|
|
|
|
|
|
/* walk to end of nurblist */
|
|
if( nurb_ptr ) {
|
|
while( nurb_ptr->next ) {
|
|
nurb_ptr = nurb_ptr->next;
|
|
}
|
|
pptr = &nurb_ptr->next;
|
|
}
|
|
|
|
/* malloc new nurb */
|
|
new_nurb = ( Nurb * ) MEM_callocN( sizeof( Nurb ), "appendNurb" );
|
|
if( !new_nurb )
|
|
return EXPP_ReturnPyObjError
|
|
( PyExc_MemoryError, "unable to malloc Nurb" );
|
|
|
|
if( CurNurb_appendPointToNurb( new_nurb, args ) ) {
|
|
*pptr = new_nurb;
|
|
new_nurb->resolu = 12;
|
|
new_nurb->resolv = 12;
|
|
|
|
if( new_nurb->bezt ) { /* do setup for bezt */
|
|
new_nurb->type = CU_BEZIER;
|
|
new_nurb->bezt->h1 = HD_ALIGN;
|
|
new_nurb->bezt->h2 = HD_ALIGN;
|
|
new_nurb->bezt->f1 = 1;
|
|
new_nurb->bezt->f2 = 1;
|
|
new_nurb->bezt->f3 = 1;
|
|
/* calchandlesNurb( new_nurb ); */
|
|
} else { /* set up bp */
|
|
new_nurb->pntsv = 1;
|
|
new_nurb->type = CU_NURBS;
|
|
new_nurb->orderu = 4;
|
|
new_nurb->flagu = 0;
|
|
new_nurb->flagv = 0;
|
|
new_nurb->bp->f1 = 0;
|
|
new_nurb->knotsu = 0;
|
|
/*makenots( new_nurb, 1, new_nurb->flagu >> 1); */
|
|
}
|
|
|
|
} else {
|
|
freeNurb( new_nurb );
|
|
return NULL; /* with PyErr already set */
|
|
}
|
|
|
|
return EXPP_incr_ret( Py_None );
|
|
}
|
|
|
|
|
|
/*
|
|
* Curve_update( )
|
|
* method to update display list for a Curve.
|
|
* used. after messing with control points
|
|
*/
|
|
|
|
static PyObject *Curve_update( BPy_Curve * self )
|
|
{
|
|
/* update_displists( ( void * ) self->curve ); */
|
|
freedisplist( &self->curve->disp );
|
|
|
|
Py_INCREF( Py_None );
|
|
return Py_None;
|
|
}
|
|
|
|
/*
|
|
* Curve_getMaterials
|
|
*
|
|
*/
|
|
|
|
static PyObject *Curve_getMaterials( BPy_Curve * self )
|
|
{
|
|
return ( EXPP_PyList_fromMaterialList( self->curve->mat,
|
|
self->curve->totcol, 1 ) );
|
|
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Function: Curve_getBevOb */
|
|
/* Description: Get the bevel object assign to the curve. */
|
|
/*****************************************************************************/
|
|
static PyObject *Curve_getBevOb( BPy_Curve * self)
|
|
{
|
|
if( self->curve->bevobj ) {
|
|
return Object_CreatePyObject( self->curve->bevobj );
|
|
}
|
|
|
|
return EXPP_incr_ret( Py_None );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Function: Curve_setBevOb */
|
|
/* Description: Assign a bevel object to the curve. */
|
|
/*****************************************************************************/
|
|
PyObject *Curve_setBevOb( BPy_Curve * self, PyObject * args )
|
|
{
|
|
BPy_Object *pybevobj;
|
|
|
|
/* Parse and check input args */
|
|
if( !PyArg_ParseTuple( args, "O", &pybevobj) ) {
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"expected object or None argument" ) );
|
|
}
|
|
|
|
/* Accept None */
|
|
if( (PyObject *)pybevobj == Py_None ) {
|
|
self->curve->bevobj = (Object *)NULL;
|
|
} else {
|
|
/* Accept Object with type 'Curve' */
|
|
if( Object_CheckPyObject( ( PyObject * ) pybevobj ) &&
|
|
pybevobj->object->type == OB_CURVE) {
|
|
self->curve->bevobj =
|
|
Object_FromPyObject( ( PyObject * ) pybevobj );
|
|
} else {
|
|
return ( EXPP_ReturnPyObjError( PyExc_TypeError,
|
|
"expected Curve object type or None argument" ) );
|
|
}
|
|
}
|
|
|
|
return EXPP_incr_ret( Py_None );
|
|
}
|
|
|
|
/*
|
|
* Curve_getIter
|
|
*
|
|
* create an iterator for our Curve.
|
|
* this iterator returns the Nurbs for this Curve.
|
|
* the iter_pointer always points to the next available item or null
|
|
*/
|
|
|
|
static PyObject *Curve_getIter( BPy_Curve * self )
|
|
{
|
|
self->iter_pointer = self->curve->nurb.first;
|
|
|
|
Py_INCREF( self );
|
|
return ( PyObject * ) self;
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* Curve_iterNext
|
|
* get the next item.
|
|
* iter_pointer always points to the next available element
|
|
* or NULL if at the end of the list.
|
|
*/
|
|
|
|
static PyObject *Curve_iterNext( BPy_Curve * self )
|
|
{
|
|
PyObject *po; /* return value */
|
|
Nurb *pnurb;
|
|
|
|
if( self->iter_pointer ) {
|
|
pnurb = self->iter_pointer;
|
|
self->iter_pointer = pnurb->next; /* advance iterator */
|
|
po = CurNurb_CreatePyObject( pnurb ); /* make a bpy_nurb */
|
|
|
|
return ( PyObject * ) po;
|
|
}
|
|
|
|
/* if iter_pointer was null, we are at end */
|
|
return ( EXPP_ReturnPyObjError
|
|
( PyExc_StopIteration, "iterator at end" ) );
|
|
}
|
|
|
|
|
|
|
|
/* tp_sequence methods */
|
|
|
|
/*
|
|
* Curve_length
|
|
* returns the number of curves in a Curve
|
|
* this is a tp_as_sequence method, not a regular instance method.
|
|
*/
|
|
|
|
static int Curve_length( PyInstanceObject * inst )
|
|
{
|
|
if( Curve_CheckPyObject( ( PyObject * ) inst ) )
|
|
return ( ( int ) PyInt_AsLong
|
|
( Curve_getNumCurves( ( BPy_Curve * ) inst ) ) );
|
|
|
|
return EXPP_ReturnIntError( PyExc_RuntimeError,
|
|
"arg is not a BPy_Curve" );
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* Curve_getNurb
|
|
* returns the Nth nurb in a Curve.
|
|
* 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 *Curve_getNurb( BPy_Curve * self, int n )
|
|
{
|
|
PyObject *pyo;
|
|
Nurb *pNurb;
|
|
int i;
|
|
|
|
/* bail if index < 0 */
|
|
if( n < 0 )
|
|
return ( EXPP_ReturnPyObjError( PyExc_IndexError,
|
|
"index less than 0" ) );
|
|
/* bail if no Nurbs in Curve */
|
|
if( self->curve->nurb.first == 0 )
|
|
return ( EXPP_ReturnPyObjError( PyExc_IndexError,
|
|
"no Nurbs in this Curve" ) );
|
|
/* set pointer to nth Nurb */
|
|
for( pNurb = self->curve->nurb.first, i = 0;
|
|
pNurb != 0 && i < n; pNurb = pNurb->next, ++i )
|
|
/**/;
|
|
|
|
if( !pNurb ) /* we came to the end of the list */
|
|
return ( EXPP_ReturnPyObjError( PyExc_IndexError,
|
|
"index out of range" ) );
|
|
|
|
pyo = CurNurb_CreatePyObject( pNurb ); /* make a bpy_curnurb */
|
|
return ( PyObject * ) pyo;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
/* Function: CurveDeAlloc */
|
|
/* Description: This is a callback function for the BPy_Curve type. It is */
|
|
/* the destructor function. */
|
|
/*****************************************************************************/
|
|
static void CurveDeAlloc( BPy_Curve * self )
|
|
{
|
|
PyObject_DEL( self );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Function: CurveGetAttr */
|
|
/* Description: This is a callback function for the BPy_Curve type. It is */
|
|
/* the function that accesses BPy_Curve "member variables" and */
|
|
/* methods. */
|
|
/*****************************************************************************/
|
|
static PyObject *CurveGetAttr( BPy_Curve * self, char *name )
|
|
{ /* getattr */
|
|
PyObject *attr = Py_None;
|
|
|
|
if( strcmp( name, "name" ) == 0 )
|
|
attr = PyString_FromString( self->curve->id.name + 2 );
|
|
if( strcmp( name, "pathlen" ) == 0 )
|
|
attr = PyInt_FromLong( self->curve->pathlen );
|
|
if( strcmp( name, "totcol" ) == 0 )
|
|
attr = PyInt_FromLong( self->curve->totcol );
|
|
if( strcmp( name, "flag" ) == 0 )
|
|
attr = PyInt_FromLong( self->curve->flag );
|
|
if( strcmp( name, "bevresol" ) == 0 )
|
|
attr = PyInt_FromLong( self->curve->bevresol );
|
|
if( strcmp( name, "resolu" ) == 0 )
|
|
attr = PyInt_FromLong( self->curve->resolu );
|
|
if( strcmp( name, "resolv" ) == 0 )
|
|
attr = PyInt_FromLong( self->curve->resolv );
|
|
if( strcmp( name, "width" ) == 0 )
|
|
attr = PyFloat_FromDouble( self->curve->width );
|
|
if( strcmp( name, "ext1" ) == 0 )
|
|
attr = PyFloat_FromDouble( self->curve->ext1 );
|
|
if( strcmp( name, "ext2" ) == 0 )
|
|
attr = PyFloat_FromDouble( self->curve->ext2 );
|
|
if( strcmp( name, "loc" ) == 0 )
|
|
return Curve_getLoc( self );
|
|
if( strcmp( name, "rot" ) == 0 )
|
|
return Curve_getRot( self );
|
|
if( strcmp( name, "size" ) == 0 )
|
|
return Curve_getSize( self );
|
|
if( strcmp( name, "bevob" ) == 0 )
|
|
return Curve_getBevOb( self );
|
|
#if 0
|
|
if( strcmp( name, "numpts" ) == 0 )
|
|
return Curve_getNumPoints( self );
|
|
#endif
|
|
|
|
|
|
if( !attr )
|
|
return ( EXPP_ReturnPyObjError( PyExc_MemoryError,
|
|
"couldn't create PyObject" ) );
|
|
|
|
if( attr != Py_None )
|
|
return attr; /* member attribute found, return it */
|
|
|
|
/* not an attribute, search the methods table */
|
|
return Py_FindMethod( BPy_Curve_methods, ( PyObject * ) self, name );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Function: CurveSetAttr */
|
|
/* Description: This is a callback function for the BPy_Curve type. It */
|
|
/* sets Curve Data attributes (member variables). */
|
|
/*****************************************************************************/
|
|
static int CurveSetAttr( BPy_Curve * self, char *name, PyObject * value )
|
|
{
|
|
PyObject *valtuple;
|
|
PyObject *error = NULL;
|
|
valtuple = Py_BuildValue( "(O)", value );
|
|
/* resolu resolv width ext1 ext2 */
|
|
if( !valtuple )
|
|
return EXPP_ReturnIntError( PyExc_MemoryError,
|
|
"CurveSetAttr: couldn't create PyTuple" );
|
|
|
|
if( strcmp( name, "name" ) == 0 )
|
|
error = Curve_setName( self, valtuple );
|
|
else if( strcmp( name, "pathlen" ) == 0 )
|
|
error = Curve_setPathLen( self, valtuple );
|
|
else if( strcmp( name, "resolu" ) == 0 )
|
|
error = Curve_setResolu( self, valtuple );
|
|
else if( strcmp( name, "resolv" ) == 0 )
|
|
error = Curve_setResolv( self, valtuple );
|
|
else if( strcmp( name, "width" ) == 0 )
|
|
error = Curve_setWidth( self, valtuple );
|
|
else if( strcmp( name, "ext1" ) == 0 )
|
|
error = Curve_setExt1( self, valtuple );
|
|
else if( strcmp( name, "ext2" ) == 0 )
|
|
error = Curve_setExt2( self, valtuple );
|
|
else if( strcmp( name, "loc" ) == 0 )
|
|
error = Curve_setLoc( self, valtuple );
|
|
else if( strcmp( name, "rot" ) == 0 )
|
|
error = Curve_setRot( self, valtuple );
|
|
else if( strcmp( name, "size" ) == 0 )
|
|
error = Curve_setSize( self, valtuple );
|
|
else if( strcmp( name, "bevob" ) == 0 )
|
|
error = Curve_setBevOb( self, valtuple );
|
|
|
|
else { /* Error */
|
|
Py_DECREF( valtuple );
|
|
|
|
if( ( strcmp( name, "Types" ) == 0 )
|
|
|| ( strcmp( name, "Modes" ) == 0 ) )
|
|
return ( EXPP_ReturnIntError
|
|
( PyExc_AttributeError,
|
|
"constant dictionary -- cannot be changed" ) );
|
|
|
|
else
|
|
return ( EXPP_ReturnIntError
|
|
( PyExc_KeyError, "attribute not found" ) );
|
|
}
|
|
|
|
Py_DECREF( valtuple );
|
|
|
|
if( error != Py_None )
|
|
return -1;
|
|
Py_DECREF( Py_None );
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*****************************************************************************/
|
|
/* Function: CurveRepr */
|
|
/* Description: This is a callback function for the BPy_Curve type. It */
|
|
/* builds a meaninful string to represent curve objects. */
|
|
/*****************************************************************************/
|
|
static PyObject *CurveRepr( BPy_Curve * self )
|
|
{ /* used by 'repr' */
|
|
|
|
return PyString_FromFormat( "[Curve \"%s\"]",
|
|
self->curve->id.name + 2 );
|
|
}
|
|
|
|
|
|
/*
|
|
* Curve_CreatePyObject
|
|
* constructor to build a py object from blender data
|
|
*/
|
|
|
|
PyObject *Curve_CreatePyObject( struct Curve * curve )
|
|
{
|
|
BPy_Curve *blen_object;
|
|
|
|
blen_object = ( BPy_Curve * ) PyObject_NEW( BPy_Curve, &Curve_Type );
|
|
|
|
if( blen_object == NULL ) {
|
|
return ( NULL );
|
|
}
|
|
blen_object->curve = curve;
|
|
return ( ( PyObject * ) blen_object );
|
|
|
|
}
|
|
|
|
int Curve_CheckPyObject( PyObject * py_obj )
|
|
{
|
|
return ( py_obj->ob_type == &Curve_Type );
|
|
}
|
|
|
|
|
|
struct Curve *Curve_FromPyObject( PyObject * py_obj )
|
|
{
|
|
BPy_Curve *blen_obj;
|
|
|
|
blen_obj = ( BPy_Curve * ) py_obj;
|
|
return ( blen_obj->curve );
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* NOTE: this func has been replaced by freedisplist() in the recent
|
|
* display list refactoring.
|
|
*
|
|
* walk across all objects looking for curves
|
|
* so we can update their ob's disp list
|
|
*/
|
|
|
|
void update_displists( void *data )
|
|
{
|
|
#if 0
|
|
Base *base;
|
|
Object *ob;
|
|
unsigned int layer;
|
|
|
|
/* background */
|
|
layer = G.scene->lay;
|
|
|
|
base = G.scene->base.first;
|
|
while( base ) {
|
|
if( base->lay & layer ) {
|
|
ob = base->object;
|
|
|
|
if( ELEM( ob->type, OB_CURVE, OB_SURF ) ) {
|
|
if( ob != G.obedit ) {
|
|
if( ob->data == data ) {
|
|
makeDispList( ob );
|
|
}
|
|
}
|
|
} else if( ob->type == OB_FONT ) {
|
|
Curve *cu = ob->data;
|
|
if( cu->textoncurve ) {
|
|
if( ( ( Curve * ) cu->textoncurve->
|
|
data )->key ) {
|
|
text_to_curve( ob, 0 );
|
|
makeDispList( ob );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if( base->next == 0 && G.scene->set
|
|
&& base == G.scene->base.last )
|
|
base = G.scene->set->base.first;
|
|
else
|
|
base = base->next;
|
|
}
|
|
#endif
|
|
}
|
|
|