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New methods: Curve.isCyclic(), CurNurb.isCyclic() for checking if curve is cyclic ( closed ). Both methods are boolean.

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Patch contributed by Toni Alatalo.  Thanks.
This commit is contained in:
Stephen Swaney
2005-01-13 03:42:53 +00:00
parent 9f43accdb2
commit df1acca4c5
3 changed files with 86 additions and 3 deletions
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46
source/blender/python/api2_2x/Curve.c
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@@ -106,6 +106,7 @@ static PyObject *Curve_getSize( BPy_Curve * self );
static PyObject *Curve_setSize( BPy_Curve * self, PyObject * args );
static PyObject *Curve_getNumCurves( BPy_Curve * self );
static PyObject *Curve_isNurb( BPy_Curve * self, PyObject * args );
static PyObject *Curve_isCyclic( BPy_Curve * self, PyObject * args);
static PyObject *Curve_getNumPoints( BPy_Curve * self, PyObject * args );
static PyObject *Curve_getNumPoints( BPy_Curve * self, PyObject * args );
@@ -204,6 +205,8 @@ Sets a control point "},
{"isNurb", ( PyCFunction ) Curve_isNurb,
METH_VARARGS,
"(nothing or integer) - returns 1 if curve is type Nurb, O otherwise."},
{"isCyclic", ( PyCFunction ) Curve_isCyclic,
METH_VARARGS, "( nothing or integer ) - returns true if curve is cyclic (closed), false otherwise."},
{"getNumPoints", ( PyCFunction ) Curve_getNumPoints,
METH_VARARGS,
"(nothing or integer) - returns the number of points of the specified curve"},
@@ -1058,6 +1061,49 @@ static PyObject *Curve_isNurb( BPy_Curve * self, PyObject * args )
"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 */
int is_cyclic;
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" ) );
}
if( ptrnurb->flagu & CU_CYCLIC ){
Py_INCREF( Py_True );
return Py_True;
} else {
Py_INCREF( Py_False );
return Py_False;
}
}
/*
* Curve_appendPoint( numcurve, new_point )