blender-archive/source/blender/freestyle/intern/python/Interface1D/Stroke.cpp

#include "Stroke.h"

#include "../Convert.h"
#include "../Interface0D/SVertex.h"
#include "../../stroke/StrokeIterators.h"

#ifdef __cplusplus
extern "C" {
#endif

///////////////////////////////////////////////////////////////////////////////////////////

/*---------------  Python API function prototypes for Stroke instance  -----------*/
static int Stroke___init__(BPy_Stroke *self, PyObject *args, PyObject *kwds);

static PyObject * Stroke_ComputeSampling( BPy_Stroke *self, PyObject *args );
static PyObject * Stroke_Resample( BPy_Stroke *self, PyObject *args );
//static PyObject * Stroke_InsertVertex( BPy_Stroke *self, PyObject *args );
static PyObject * Stroke_RemoveVertex( BPy_Stroke *self, PyObject *args );
static PyObject * Stroke_getMediumType( BPy_Stroke *self );
static PyObject * Stroke_getTextureId( BPy_Stroke *self );
static PyObject * Stroke_hasTips( BPy_Stroke *self );
static PyObject * Stroke_setId( BPy_Stroke *self , PyObject *args);
static PyObject * Stroke_setLength( BPy_Stroke *self , PyObject *args);
static PyObject * Stroke_setMediumType( BPy_Stroke *self , PyObject *args);
static PyObject * Stroke_setTextureId( BPy_Stroke *self , PyObject *args);
static PyObject * Stroke_setTips( BPy_Stroke *self , PyObject *args);
static PyObject * Stroke_strokeVerticesSize( BPy_Stroke *self );
static PyObject * Stroke_getStrokeVertices( BPy_Stroke *self );

/*----------------------Stroke instance definitions ----------------------------*/
static PyMethodDef BPy_Stroke_methods[] = {	
	{"ComputeSampling", ( PyCFunction ) Stroke_ComputeSampling, METH_VARARGS, "(int nVertices) Compute the sampling needed to get nVertices vertices. If the specified number of vertices is less than the actual number of vertices, the actual sampling value is returned."},
		{"Resample", ( PyCFunction ) Stroke_Resample, METH_VARARGS, "(float f | int n) Resampling method. If the argument is a float, Resamples the curve with a given sampling; if this sampling is < to the actual sampling value, no resampling is done. If the argument is an integer, Resamples the curve so that it eventually has n. That means it is going to add n-vertices_size, if vertices_size is the number of points we already have. Is vertices_size >= n, no resampling is done."},
	{"RemoveVertex", ( PyCFunction ) Stroke_RemoveVertex, METH_VARARGS, "(StrokeVertex sv) Removes the stroke vertex sv from the stroke. The length and curvilinear abscissa are updated consequently."},
	{"getMediumType", ( PyCFunction ) Stroke_getMediumType, METH_NOARGS, "() Returns the MediumType used for this Stroke."},
	{"getTextureId", ( PyCFunction ) Stroke_getTextureId, METH_NOARGS, "() Returns the id of the texture used to simulate th marks system for this Stroke."},
	{"hasTips", ( PyCFunction ) Stroke_hasTips, METH_NOARGS, "() Returns true if this Stroke uses a texture with tips, false otherwise."},
	{"setId", ( PyCFunction ) Stroke_setId, METH_VARARGS, "(Id id) Sets the Id of the Stroke."},
	{"setLength", ( PyCFunction ) Stroke_setLength, METH_VARARGS, "(float l) Sets the 2D length of the Stroke."},
	{"setMediumType", ( PyCFunction ) Stroke_setMediumType, METH_VARARGS, "(MediumType mt) Sets the medium type that must be used for this Stroke."},
	{"setTextureId", ( PyCFunction ) Stroke_setTextureId, METH_VARARGS, "(unsigned int id) Sets the texture id to be used to simulate the marks system for this Stroke."},
	{"setTips", ( PyCFunction ) Stroke_setTips, METH_VARARGS, "(bool b) Sets the flag telling whether this stroke is using a texture with tips or not."},
	{"strokeVerticesSize", ( PyCFunction ) Stroke_strokeVerticesSize, METH_NOARGS, "() Returns the number of StrokeVertex constituing the Stroke."},
	{"getStrokeVertices", ( PyCFunction ) Stroke_getStrokeVertices, METH_NOARGS, "() Returns the stroke vertices. The difference with vertices() is that here we can iterate over points of the 1D element at a any given sampling. Indeed, for each iteration, a virtual point is created."},
	//{"InsertVertex", ( PyCFunction ) Stroke_InsertVertex, METH_NOARGS, "(StrokeVertex sv, int i) Inserts the stroke vertex iVertex in the stroke before i. The length, curvilinear abscissa are updated consequently."},
	{NULL, NULL, 0, NULL}
};

/*-----------------------BPy_Stroke type definition ------------------------------*/

PyTypeObject Stroke_Type = {
	PyObject_HEAD_INIT( NULL ) 
	0,							/* ob_size */
	"Stroke",				/* tp_name */
	sizeof( BPy_Stroke ),	/* tp_basicsize */
	0,							/* tp_itemsize */
	
	/* methods */
	NULL,	/* tp_dealloc */
	NULL,                       				/* printfunc tp_print; */
	NULL,                       				/* getattrfunc tp_getattr; */
	NULL,                       				/* setattrfunc tp_setattr; */
	NULL,										/* tp_compare */
	NULL,					/* tp_repr */

	/* Method suites for standard classes */

	NULL,                       /* PyNumberMethods *tp_as_number; */
	NULL,                       /* PySequenceMethods *tp_as_sequence; */
	NULL,                       /* PyMappingMethods *tp_as_mapping; */

	/* More standard operations (here for binary compatibility) */

	NULL,						/* hashfunc tp_hash; */
	NULL,                       /* ternaryfunc tp_call; */
	NULL,                       /* reprfunc tp_str; */
	NULL,                       /* getattrofunc tp_getattro; */
	NULL,                       /* setattrofunc tp_setattro; */

	/* Functions to access object as input/output buffer */
	NULL,                       /* PyBufferProcs *tp_as_buffer; */

  /*** Flags to define presence of optional/expanded features ***/
	Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, 		/* long tp_flags; */

	NULL,                       /*  char *tp_doc;  Documentation string */
  /*** Assigned meaning in release 2.0 ***/
	/* call function for all accessible objects */
	NULL,                       /* traverseproc tp_traverse; */

	/* delete references to contained objects */
	NULL,                       /* inquiry tp_clear; */

  /***  Assigned meaning in release 2.1 ***/
  /*** rich comparisons ***/
	NULL,                       /* richcmpfunc tp_richcompare; */

  /***  weak reference enabler ***/
	0,                          /* long tp_weaklistoffset; */

  /*** Added in release 2.2 ***/
	/*   Iterators */
	NULL,                       /* getiterfunc tp_iter; */
	NULL,                       /* iternextfunc tp_iternext; */

  /*** Attribute descriptor and subclassing stuff ***/
	BPy_Stroke_methods,	/* struct PyMethodDef *tp_methods; */
	NULL,                       	/* struct PyMemberDef *tp_members; */
	NULL,         					/* struct PyGetSetDef *tp_getset; */
	&Interface1D_Type,				/* struct _typeobject *tp_base; */
	NULL,							/* PyObject *tp_dict; */
	NULL,							/* descrgetfunc tp_descr_get; */
	NULL,							/* descrsetfunc tp_descr_set; */
	0,                          	/* long tp_dictoffset; */
	(initproc)Stroke___init__,                       	/* initproc tp_init; */
	NULL,							/* allocfunc tp_alloc; */
	NULL,		/* newfunc tp_new; */
	
	/*  Low-level free-memory routine */
	NULL,                       /* freefunc tp_free;  */
	
	/* For PyObject_IS_GC */
	NULL,                       /* inquiry tp_is_gc;  */
	NULL,                       /* PyObject *tp_bases; */
	
	/* method resolution order */
	NULL,                       /* PyObject *tp_mro;  */
	NULL,                       /* PyObject *tp_cache; */
	NULL,                       /* PyObject *tp_subclasses; */
	NULL,                       /* PyObject *tp_weaklist; */
	NULL
};

//-------------------MODULE INITIALIZATION--------------------------------


//------------------------INSTANCE METHODS ----------------------------------

// Stroke ()
// template<class InputVertexIterator> Stroke (InputVertexIterator iBegin, InputVertexIterator iEnd)

int Stroke___init__(BPy_Stroke *self, PyObject *args, PyObject *kwds)
{
	PyObject *obj1 = 0, *obj2 = 0;

    if (! PyArg_ParseTuple(args, "|OO", &obj1) )
        return -1;

	if( !obj1 && !obj2 ){
		self->s = new Stroke();

	// template<class InputVertexIterator> Stroke (InputVertexIterator iBegin, InputVertexIterator iEnd)
	//
	// pb: - need to be able to switch representation: InputVertexIterator <=> position
	//     - is it even used ? not even in SWIG version
	} else {
		return -1;
	}

	self->py_if1D.if1D = self->s;

	return 0;
}

PyObject * Stroke_ComputeSampling( BPy_Stroke *self, PyObject *args ) {	
	int i;

	if(!( PyArg_ParseTuple(args, "i", &i)  )) {
		cout << "ERROR: Stroke_ComputeSampling" << endl;
		Py_RETURN_NONE;
	}

	return PyFloat_FromDouble( self->s->ComputeSampling( i ) );
}

PyObject * Stroke_Resample( BPy_Stroke *self, PyObject *args ) {	
	PyObject *obj;

	if(!( PyArg_ParseTuple(args, "O", &obj) )) {
		cout << "ERROR: Stroke_Resample" << endl;
		Py_RETURN_NONE;
	}

	if( PyInt_Check(obj) )
		self->s->Resample( (int) PyInt_AsLong(obj) );
	else if( PyFloat_Check(obj) )
		self->s->Resample( (float) PyFloat_AsDouble(obj) );
		
	Py_RETURN_NONE;
}


PyObject * Stroke_RemoveVertex( BPy_Stroke *self, PyObject *args ) {	
	PyObject *py_sv;

	if(!( PyArg_ParseTuple(args, "O", &py_sv) )) {
		cout << "ERROR: Stroke_RemoveVertex" << endl;
		Py_RETURN_NONE;
	}

	if( BPy_StrokeVertex_Check(py_sv) && ((BPy_StrokeVertex *) py_sv)->sv )
		self->s->RemoveVertex( ((BPy_StrokeVertex *) py_sv)->sv );
		
	Py_RETURN_NONE;
}

// pb: 'iterator <=> list' correspondence
// void 	InsertVertex (StrokeVertex *iVertex, StrokeInternal::StrokeVertexIterator next)

PyObject * Stroke_getMediumType( BPy_Stroke *self ) {	
	return BPy_MediumType_from_MediumType( self->s->getMediumType() );
}

PyObject * Stroke_getTextureId( BPy_Stroke *self ) {	
	return PyInt_FromLong( self->s->getTextureId() );
}

PyObject * Stroke_hasTips( BPy_Stroke *self ) {	
	return PyBool_from_bool( self->s->hasTips() );
}


PyObject *Stroke_setId( BPy_Stroke *self , PyObject *args) {
	PyObject *py_id;

	if(!( PyArg_ParseTuple(args, "O", &py_id) && BPy_Id_Check(py_id)  )) {
		cout << "ERROR: Stroke_setId" << endl;
		Py_RETURN_NONE;
	}

	if( ((BPy_Id *) py_id)->id )
		self->s->setId(*( ((BPy_Id *) py_id)->id ));

	Py_RETURN_NONE;
}

PyObject *Stroke_setLength( BPy_Stroke *self , PyObject *args) {
	float f;

	if(!( PyArg_ParseTuple(args, "f", &f) )) {
		cout << "ERROR: Stroke_setLength" << endl;
		Py_RETURN_NONE;
	}

	self->s->setLength( f );

	Py_RETURN_NONE;
}

PyObject *Stroke_setMediumType( BPy_Stroke *self , PyObject *args) {
	PyObject *py_mt;

	if(!( PyArg_ParseTuple(args, "O", &py_mt) && BPy_MediumType_Check(py_mt)  )) {
		cout << "ERROR: Stroke_setMediumType" << endl;
		Py_RETURN_NONE;
	}

	self->s->setMediumType( static_cast<Stroke::MediumType>(PyInt_AsLong(py_mt)) );

	Py_RETURN_NONE;
}

PyObject *Stroke_setTextureId( BPy_Stroke *self , PyObject *args) {
	unsigned int i;

	if(!( PyArg_ParseTuple(args, "I", &i) )) {
		cout << "ERROR: Stroke_setTextureId" << endl;
		Py_RETURN_NONE;
	}

	self->s->setTextureId( i );

	Py_RETURN_NONE;
}

PyObject *Stroke_setTips( BPy_Stroke *self , PyObject *args) {
	PyObject *py_b;

	if(!( PyArg_ParseTuple(args, "O", &py_b) && PyBool_Check(py_b)  )) {
		cout << "ERROR: Stroke_setTips" << endl;
		Py_RETURN_NONE;
	}

	self->s->setTips( py_b == Py_True );

	Py_RETURN_NONE;
}


PyObject * Stroke_strokeVerticesSize( BPy_Stroke *self ) {	
	return PyInt_FromLong( self->s->strokeVerticesSize() );
}


PyObject *Stroke_getStrokeVertices( BPy_Stroke *self ) {
	PyObject *py_stroke_vertices = PyList_New(NULL);
		
	for( StrokeInternal::StrokeVertexIterator it = self->s->strokeVerticesBegin();
		it != self->s->strokeVerticesEnd();
		it++ ) {
		PyList_Append( py_stroke_vertices, BPy_StrokeVertex_from_StrokeVertex( *it ) );
	}
	
	return py_stroke_vertices;
}



///////////////////////////////////////////////////////////////////////////////////////////

#ifdef __cplusplus
}
#endif