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patch from Paul Rotering (pryon)

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[#7124] knot vector access for SurfNurb
This commit is contained in:
Campbell Barton
2008-03-18 13:42:38 +00:00
parent 65b0e6245d
commit b10726a2ad
2 changed files with 68 additions and 1 deletions
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65
source/blender/python/api2_2x/SurfNurb.c
View File

@@ -1,5 +1,5 @@
/*
* $Id: SurfNurb.c 11400 2007-07-28 09:26:53Z campbellbarton $
* $Id$
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
@@ -46,6 +46,8 @@ static int SurfNurb_setPoint( BPy_SurfNurb * self, int index, PyObject * ob );
static int SurfNurb_length( PyInstanceObject * inst );
static PyObject *SurfNurb_getIter( BPy_SurfNurb * self );
static PyObject *SurfNurb_iterNext( BPy_SurfNurb * self );
static PyObject *SurfNurb_getKnotsU( BPy_SurfNurb * self );
static PyObject *SurfNurb_getKnotsV( BPy_SurfNurb * self );
PyObject *SurfNurb_append( BPy_SurfNurb * self, PyObject * args );
char M_SurfNurb_doc[] = "SurfNurb";
@@ -487,6 +489,58 @@ static int SurfNurb_setCyclicV( BPy_SurfNurb * self, PyObject * value )
return 0;
}
/*
* SurfNurb_getKnotsU
*
* Returns surface's knotsU in a tuple. Empty tuple is returned if
* surface isn't Nurbs or it doesn't have knots in U
*/
static PyObject *SurfNurb_getKnotsU( BPy_SurfNurb * self )
{
if(self->nurb->knotsu) {
int len = KNOTSU(self->nurb);
int i;
PyObject *knotsu = PyTuple_New(len);
if( !knotsu )
return EXPP_ReturnPyObjError( PyExc_RuntimeError,
"could not get SurfNurb.knotsU attribute" );
for(i = 0; i < len; ++i)
PyTuple_SetItem(knotsu, i,
PyFloat_FromDouble(self->nurb->knotsu[i]));
return knotsu;
}
return PyTuple_New(0);
}
/*
* SurfNurb_getKnotsV
*
* Returns surface's knotsV in a tuple. Empty tuple is returned if
* curve doesn't have knots in V
*/
static PyObject *SurfNurb_getKnotsV( BPy_SurfNurb * self )
{
if(self->nurb->knotsv) {
int len = KNOTSV(self->nurb);
int i;
PyObject *knotsv = PyTuple_New(len);
if( !knotsv )
return EXPP_ReturnPyObjError( PyExc_RuntimeError,
"could not get SurfNurb.knotsV index" );
for(i = 0; i < len; ++i)
PyTuple_SetItem(knotsv, i,
PyFloat_FromDouble(self->nurb->knotsv[i] ));
return knotsv;
}
return PyTuple_New(0);
}
/*
* SurfNurb_getIter
@@ -723,6 +777,15 @@ static PyGetSetDef BPy_SurfNurb_getseters[] = {
{"orderV",
(getter)SurfNurb_getOrderV, (setter)SurfNurb_setOrderV,
"order setting for V direction", NULL},
{"knotsU",
(getter)SurfNurb_getKnotsU, (setter)NULL,
"The The knot vector in the U direction",
NULL},
{"knotsV",
(getter)SurfNurb_getKnotsV, (setter)NULL,
"The The knot vector in the V direction",
NULL},
{NULL,NULL,NULL,NULL,NULL} /* Sentinel */
};

4
source/blender/python/api2_2x/doc/Curve.py
View File

@@ -694,6 +694,10 @@ class SurfNurb:
@ivar orderV: The order setting for the V direction. Values are clamped
to the range [2:6] and not greater than the V dimension.
@type orderV: int
@ivar knotsU: The The knot vector in the U direction
@type knotsU: tuple
@ivar knotsV: The The knot vector in the V direction
@type knotsV: tuple
"""
def __setitem__( n, point ):