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blender-archive/source/blender/python/api2_2x/Ipocurve.c
Stephen Swaney 811e144c6f Fix for bug #1014
In IpoCurve.addBezier() method, set handles of newly added point to type Auto.

Fix provided by Roland Hess (harkyman).
2004-03-05 08:20:18 +00:00

330 lines
11 KiB
C

/*
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* This is a new part of Blender.
*
* Contributor(s): Jacques Guignot
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#include "Ipocurve.h"
/*****************************************************************************/
/* Function: M_IpoCurve_New */
/* Python equivalent: Blender.IpoCurve.New */
/*****************************************************************************/
static PyObject *M_IpoCurve_New(PyObject *self, PyObject *args)
{
return 0;
}
/*****************************************************************************/
/* Function: Ipo_Init */
/*****************************************************************************/
PyObject *IpoCurve_Init (void)
{
PyObject *submodule;
IpoCurve_Type.ob_type = &PyType_Type;
submodule = Py_InitModule3("Blender.IpoCurve", M_IpoCurve_methods, M_IpoCurve_doc);
return (submodule);
}
/*****************************************************************************/
/* Function: M_IpoCurve_Get */
/* Python equivalent: Blender.IpoCurve.Get */
/* Description: Receives a string and returns the ipo data obj */
/* whose name matches the string. If no argument is */
/* passed in, a list of all ipo data names in the */
/* current scene is returned. */
/*****************************************************************************/
static PyObject *M_IpoCurve_Get(PyObject *self, PyObject *args)
{
return 0;
}
/*****************************************************************************/
/* Python C_IpoCurve methods: */
/*****************************************************************************/
static PyObject *IpoCurve_setInterpolation( C_IpoCurve * self, PyObject *args)
{
char*interpolationtype = 0;
int id = -1;
if (!PyArg_ParseTuple(args, "s", &interpolationtype))
return (EXPP_ReturnPyObjError (PyExc_TypeError,"expected string argument"));
if (!strcmp(interpolationtype,"Bezier"))id = IPO_BEZ;
if (!strcmp(interpolationtype,"Constant"))id = IPO_CONST;
if (!strcmp(interpolationtype,"Linear"))id = IPO_LIN;
if (id == -1)
return (EXPP_ReturnPyObjError (PyExc_TypeError,"bad interpolation type"));
self->ipocurve->ipo = id;
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *IpoCurve_getInterpolation( C_IpoCurve * self)
{ char*str = 0;
IpoCurve *icu = self->ipocurve;
if (icu->ipo == IPO_BEZ) str = "Bezier";
if (icu->ipo == IPO_CONST) str = "Bonstant";
if (icu->ipo == IPO_LIN) str = "Linear";
if (!str)
return (EXPP_ReturnPyObjError (PyExc_TypeError,"unknown interpolation type"));
return PyString_FromString(str);
}
static PyObject *IpoCurve_setExtrapolation( C_IpoCurve * self, PyObject *args)
{
char*extrapolationtype = 0;
int id = -1;
if (!PyArg_ParseTuple(args, "s", &extrapolationtype))
return (EXPP_ReturnPyObjError (PyExc_TypeError,"expected string argument"));
if (!strcmp(extrapolationtype,"Constant"))id = 0;
if (!strcmp(extrapolationtype,"Extrapolation"))id = 1;
if (!strcmp(extrapolationtype,"Cyclic"))id = 2;
if (!strcmp(extrapolationtype,"Cyclic_extrapolation"))id = 3;
if (id == -1)
return (EXPP_ReturnPyObjError (PyExc_TypeError,"bad interpolation type"));
self->ipocurve->extrap = id;
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *IpoCurve_getExtrapolation( C_IpoCurve * self)
{
char*str = 0;
IpoCurve *icu = self->ipocurve;
if (icu->extrap == 0) str = "Constant";
if (icu->extrap == 1) str = "Extrapolation";
if (icu->extrap == 2) str = "Cyclic";
if (icu->extrap == 3) str = "Cyclic_extrapolation";
return PyString_FromString(str);
}
static PyObject *IpoCurve_addBezier( C_IpoCurve * self, PyObject *args)
{
short MEM_freeN(void *vmemh) ;
void *MEM_mallocN(unsigned int len, char *str);
float x,y;
int npoints;
IpoCurve *icu;
BezTriple *bzt,*tmp;
static char name[10] = "mlml";
PyObject*popo = 0;
if (!PyArg_ParseTuple(args, "O", &popo))
return (EXPP_ReturnPyObjError (PyExc_TypeError,"expected tuple argument"));
x = PyFloat_AsDouble(PyTuple_GetItem(popo,0));
y = PyFloat_AsDouble(PyTuple_GetItem(popo,1));
icu = self->ipocurve;
npoints = icu->totvert;
tmp = icu->bezt;
icu->bezt = MEM_mallocN(sizeof(BezTriple)*(npoints+1),name);
if(tmp){
memmove(icu->bezt,tmp,sizeof(BezTriple)*npoints);
MEM_freeN(tmp);
}
memmove(icu->bezt+npoints,icu->bezt,sizeof(BezTriple));
icu->totvert++;
bzt = icu->bezt + npoints;
bzt->vec[0][0] = x-1;
bzt->vec[1][0] = x;
bzt->vec[2][0] = x+1;
bzt->vec[0][1] = y-1;
bzt->vec[1][1] = y;
bzt->vec[2][1] = y+1;
/* set handle type to Auto */
bzt->h1= HD_AUTO;
bzt->h2= HD_AUTO;
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *IpoCurve_setName(C_IpoCurve *self, PyObject *args)
{
return 0;
}
static PyObject *IpoCurve_Recalc(C_IpoCurve *self)
{
void testhandles_ipocurve(IpoCurve *icu);
IpoCurve *icu = self->ipocurve;
testhandles_ipocurve(icu);
Py_INCREF(Py_None);
return Py_None;
}
static PyObject* IpoCurve_getName (C_IpoCurve *self)
{
char * nametab[24] = {"LocX","LocY","LocZ","dLocX","dLocY","dLocZ","RotX","RotY","RotZ","dRotX","dRotY","dRotZ","SizeX","SizeY","SizeZ","dSizeX","dSizeY","dSizeZ","Layer","Time","ColR","ColG","ColB","ColA"};
if (self->ipocurve->blocktype != ID_OB)
return EXPP_ReturnPyObjError (PyExc_TypeError,
"This function doesn't support this ipocurve type yet");
// printf("IpoCurve_getName %d\n",self->ipocurve->vartype);
if (self->ipocurve->adrcode <=0 )
return PyString_FromString("Index too small");
if (self->ipocurve->adrcode >= 25 )
return PyString_FromString("Index too big");
return PyString_FromString(nametab[self->ipocurve->adrcode-1]);
}
static void IpoCurveDeAlloc (C_IpoCurve *self)
{
PyObject_DEL (self);
}
static PyObject* IpoCurve_getPoints (C_IpoCurve *self)
{
struct BezTriple *bezt;
PyObject* l = PyList_New(0);
int i;
for(i = 0;i<self->ipocurve->totvert;i++)
{
bezt = self->ipocurve->bezt + i;
PyList_Append( l, BezTriple_CreatePyObject(bezt));
}
return l;
}
int IpoCurve_setPoints (C_IpoCurve *self, PyObject *value )
{
struct BezTriple *bezt;
PyObject* l = PyList_New(0);
int i;
for(i = 0;i<self->ipocurve->totvert;i++)
{
bezt = self->ipocurve->bezt + i;
PyList_Append( l, BezTriple_CreatePyObject(bezt));
}
return 0;
}
/*****************************************************************************/
/* Function: IpoCurveGetAttr */
/* Description: This is a callback function for the C_IpoCurve type. It is */
/* the function that accesses C_IpoCurve "member variables" and */
/* methods. */
/*****************************************************************************/
static PyObject *IpoCurveGetAttr (C_IpoCurve *self, char *name)
{
if (strcmp (name, "bezierPoints") == 0)return IpoCurve_getPoints(self);
if (strcmp (name, "name") == 0)return IpoCurve_getName(self);
return Py_FindMethod(C_IpoCurve_methods, (PyObject *)self, name);
}
/*****************************************************************************/
/* Function: IpoCurveSetAttr */
/* Description: This is a callback function for the C_IpoCurve type. It is the */
/* function that sets IpoCurve Data attributes (member variables).*/
/*****************************************************************************/
static int IpoCurveSetAttr (C_IpoCurve *self, char *name, PyObject *value)
{
if (strcmp (name, "bezierPoints") == 0)return IpoCurve_setPoints(self,value);
return 0; /* normal exit */
}
/*****************************************************************************/
/* Function: IpoCurveRepr */
/* Description: This is a callback function for the C_IpoCurve type. It */
/* builds a meaninful string to represent ipo objects. */
/*****************************************************************************/
static PyObject *IpoCurveRepr (C_IpoCurve *self)
{
void GetIpoCurveName(IpoCurve *icu,char*s);
char s[100],s1[100];
GetIpoCurveName(self->ipocurve,s1);
sprintf(s,"IpoCurve %s \n",s1);
return PyString_FromString(s);
}
/* Three Python IpoCurve_Type helper functions needed by the Object module: */
/*****************************************************************************/
/* Function: IpoCurve_CreatePyObject */
/* Description: This function will create a new C_IpoCurve from an existing */
/* Blender ipo structure. */
/*****************************************************************************/
PyObject *IpoCurve_CreatePyObject (IpoCurve *ipo)
{
C_IpoCurve *pyipo;
pyipo = (C_IpoCurve *)PyObject_NEW (C_IpoCurve, &IpoCurve_Type);
if (!pyipo)
return EXPP_ReturnPyObjError (PyExc_MemoryError,
"couldn't create C_IpoCurve object");
pyipo->ipocurve = ipo;
return (PyObject *)pyipo;
}
/*****************************************************************************/
/* Function: IpoCurve_CheckPyObject */
/* Description: This function returns true when the given PyObject is of the */
/* type IpoCurve. Otherwise it will return false. */
/*****************************************************************************/
int IpoCurve_CheckPyObject (PyObject *pyobj)
{
return (pyobj->ob_type == &IpoCurve_Type);
}
/*****************************************************************************/
/* Function: IpoCurve_FromPyObject */
/* Description: This function returns the Blender ipo from the given */
/* PyObject. */
/*****************************************************************************/
IpoCurve *IpoCurve_FromPyObject (PyObject *pyobj)
{
return ((C_IpoCurve *)pyobj)->ipocurve;
}