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More Curve Module features: access to the attributes flagU and flagV

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in a  CurNurb object.
Contributed by Gergely Erdelyi (dyce).
This commit is contained in:
Stephen Swaney
2005-04-17 14:37:40 +00:00
parent 127abda43d
commit f919cf75f1
2 changed files with 142 additions and 1 deletions
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107
source/blender/python/api2_2x/CurNurb.c
View File

@@ -55,6 +55,10 @@ extern PyMethodDef BPy_CurNurb_methods[];
PyObject *CurNurb_CreatePyObject( Nurb * blen_nurb );
static PyObject *CurNurb_setMatIndex( BPy_CurNurb * self, PyObject * args );
static PyObject *CurNurb_getMatIndex( BPy_CurNurb * self );
static PyObject *CurNurb_getFlagU( BPy_CurNurb * self );
static PyObject *CurNurb_setFlagU( BPy_CurNurb * self, PyObject * args );
static PyObject *CurNurb_getFlagV( BPy_CurNurb * self );
static PyObject *CurNurb_setFlagV( BPy_CurNurb * self, PyObject * args );
/* static PyObject* CurNurb_setXXX( BPy_CurNurb* self, PyObject* args ); */
PyObject *CurNurb_getPoint( BPy_CurNurb * self, int index );
static int CurNurb_length( PyInstanceObject * inst );
@@ -98,6 +102,12 @@ static PyObject *CurNurb_getAttr( BPy_CurNurb * self, char *name )
else if( strcmp( name, "points" ) == 0 )
attr = PyInt_FromLong( self->nurb->pntsu );
else if( strcmp( name, "flagU" ) == 0 )
attr = CurNurb_getFlagU( self );
else if( strcmp( name, "flagV" ) == 0 )
attr = CurNurb_getFlagV( self );
if( !attr )
return EXPP_ReturnPyObjError( PyExc_MemoryError,
"couldn't create PyObject" );
@@ -129,6 +139,10 @@ static int CurNurb_setAttr( BPy_CurNurb * self, char *name, PyObject * value )
if( strcmp( name, "mat_index" ) == 0 )
error = CurNurb_setMatIndex( self, valtuple );
else if( strcmp( name, "flagU" ) == 0 )
error = CurNurb_setFlagU( self, valtuple );
else if( strcmp( name, "flagV" ) == 0 )
error = CurNurb_setFlagV( self, valtuple );
else { /* error - no match for name */
Py_DECREF( valtuple );
@@ -352,6 +366,91 @@ static PyObject *CurNurb_getMatIndex( BPy_CurNurb * self )
"could not get material index" ) );
}
/*
* CurNurb_getFlagU
*
* returns curve's flagu
*/
static PyObject *CurNurb_getFlagU( BPy_CurNurb * self )
{
PyObject *flagu = PyInt_FromLong( ( long ) self->nurb->flagu );
if( flagu )
return flagu;
return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
"could not get CurNurb.flagu index" ) );
}
/*
* CurNurb_setFlagU
*
* set curve's flagu and recalculate the knots
*
* Possible values: 0 - uniform, 1 - endpoints, 2 - bezier
*/
static PyObject *CurNurb_setFlagU( BPy_CurNurb * self, PyObject * args )
{
int flagu;
if( !PyArg_ParseTuple( args, "i", &( flagu ) ) )
return ( EXPP_ReturnPyObjError
( PyExc_AttributeError,
"expected integer argument" ) );
if( self->nurb->flagu != flagu ) {
self->nurb->flagu = flagu;
makeknots( self->nurb, 1, self->nurb->flagu >> 1 );
}
Py_INCREF( Py_None );
return Py_None;
}
/*
* CurNurb_getFlagV
*
* returns curve's flagu
*/
static PyObject *CurNurb_getFlagV( BPy_CurNurb * self )
{
PyObject *flagv = PyInt_FromLong( ( long ) self->nurb->flagv );
if( flagv )
return flagv;
return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
"could not get CurNurb.flagv" ) );
}
/*
* CurNurb_setFlagV
*
* set curve's flagu and recalculate the knots
*
* Possible values: 0 - uniform, 1 - endpoints, 2 - bezier
*/
static PyObject *CurNurb_setFlagV( BPy_CurNurb * self, PyObject * args )
{
int flagv;
if( !PyArg_ParseTuple( args, "i", &( flagv ) ) )
return ( EXPP_ReturnPyObjError
( PyExc_AttributeError,
"expected integer argument" ) );
if( self->nurb->flagv != flagv ) {
self->nurb->flagv = flagv;
makeknots( self->nurb, 2, self->nurb->flagv >> 1 );
}
Py_INCREF( Py_None );
return Py_None;
}
/*
* CurNurb_getIter
@@ -473,6 +572,14 @@ static PyMethodDef BPy_CurNurb_methods[] = {
"( index ) - set index into materials list"},
{"getMatIndex", ( PyCFunction ) CurNurb_getMatIndex, METH_NOARGS,
"( ) - get current material index"},
{"setFlagU", ( PyCFunction ) CurNurb_setFlagU, METH_VARARGS,
"( index ) - set flagU and recalculate the knots (0: uniform, 1: endpoints, 2: bezier)"},
{"getFlagU", ( PyCFunction ) CurNurb_getFlagU, METH_NOARGS,
"( ) - get flagU of the knots"},
{"setFlagV", ( PyCFunction ) CurNurb_setFlagV, METH_VARARGS,
"( index ) - set flagV and recalculate the knots (0: uniform, 1: endpoints, 2: bezier)"},
{"getFlagV", ( PyCFunction ) CurNurb_getFlagV, METH_NOARGS,
"( ) - get flagV of the knots"},
{"append", ( PyCFunction ) CurNurb_append, METH_VARARGS,
"( point ) - add a new point. arg is BezTriple or list of x,y,z,w floats"},
{"isNurb", ( PyCFunction ) CurNurb_isNurb, METH_NOARGS,

36
source/blender/python/api2_2x/doc/Curve.py
View File

@@ -377,6 +377,9 @@ class CurNurb:
The CurNurb supports the python iterator protocol which means you can use a python for statement to access the points in a curve.
The CurNurb also supports the sequence protocol which means you can access the control points of a CurNurb using the [] operator.
@cvar flagU: The CurNurb knot flag U (0: uniform, 1: endpoints, 2: bezier)
@cvar flagV: The CurNurb knot flag V (0: uniform, 1: endpoints, 2: bezier)
"""
@@ -419,5 +422,36 @@ class CurNurb:
@return: True or False
"""
def getFlagU():
"""
Get the CurNurb knot flag U
@rtype: integer
@return: 0 - uniform, 1 - endpoints, 2 - bezier
"""
def setFlagU( value ):
"""
Set the CurNurb knot flag U (knots are recalculated automatically)
@type value: integer
@param value: CurNurb knot flag (0 - uniform, 1 - endpoints, 2 - bezier)
@rtype: PyNone
@return: PyNone
"""
def getFlagV():
"""
Get the CurNurb knot flag V
@rtype: integer
@return: 0 - uniform, 1 - endpoints, 2 - bezier
"""
def setFlagV( value ):
"""
Set the CurNurb knot flag V (knots are recalculated automatically)
@type value: integer
@param value: CurNurb knot flag (0 - uniform, 1 - endpoints, 2 - bezier)
@rtype: PyNone
@return: PyNone
"""