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

/*
 * ***** BEGIN GPL 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.
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

/** \file source/blender/freestyle/intern/python/Interface1D/BPy_FrsCurve.cpp
 *  \ingroup freestyle
 */

#include "BPy_FrsCurve.h"

#include "../BPy_Convert.h"
#include "../BPy_Id.h"
#include "../Interface0D/BPy_CurvePoint.h"
#include "../Interface0D/BPy_SVertex.h"

#ifdef __cplusplus
extern "C" {
#endif

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

/*----------------------CurvePoint methods ----------------------------*/

PyDoc_STRVAR(FrsCurve_doc,
"Class hierarchy: :class:`Interface1D` > :class:`Curve`\n"
"\n"
"Base class for curves made of CurvePoints.  :class:`SVertex` is the\n"
"type of the initial curve vertices.  A :class:`Chain` is a\n"
"specialization of a Curve.\n"
"\n"
".. method:: __init__()\n"
"\n"
"   Default Constructor.\n"
"\n"
".. method:: __init__(brother)\n"
"\n"
"   Copy Constructor.\n"
"\n"
"   :arg brother: A Curve object.\n"
"   :type brother: :class:`Curve`\n"
"\n"
".. method:: __init__(id)\n"
"\n"
"   Builds a Curve from its Id.\n"
"\n"
"   :arg id: An Id object.\n"
"   :type id: :class:`Id`");

static int FrsCurve_init(BPy_FrsCurve *self, PyObject *args, PyObject *kwds)
{
	static const char *kwlist_1[] = {"brother", NULL};
	static const char *kwlist_2[] = {"id", NULL};
	PyObject *obj = 0;

	if (PyArg_ParseTupleAndKeywords(args, kwds, "|O!", (char **)kwlist_1, &FrsCurve_Type, &obj)) {
		if (!obj)
			self->c = new Curve();
		else
			self->c = new Curve(*(((BPy_FrsCurve *)obj)->c));
	}
	else if (PyErr_Clear(),
	         PyArg_ParseTupleAndKeywords(args, kwds, "O!", (char **)kwlist_2, &Id_Type, &obj))
	{
		self->c = new Curve(*(((BPy_Id *)obj)->id));
	}
	else {
		PyErr_SetString(PyExc_TypeError, "invalid argument(s)");
		return -1;
	}
	self->py_if1D.if1D = self->c;
	self->py_if1D.borrowed = 0;
	return 0;
}

PyDoc_STRVAR(FrsCurve_push_vertex_back_doc,
".. method:: push_vertex_back(vertex)\n"
"\n"
"   Adds a single vertex at the end of the Curve.\n"
"\n"
"   :arg vertex: A vertex object.\n"
"   :type vertex: :class:`SVertex` or :class:`CurvePoint`");

static PyObject *FrsCurve_push_vertex_back(BPy_FrsCurve *self, PyObject *args, PyObject *kwds)
{
	static const char *kwlist[] = {"vertex", NULL};
	PyObject *obj = 0;

	if (!PyArg_ParseTupleAndKeywords(args, kwds, "O", (char **)kwlist, &obj))
		return NULL;

	if (BPy_CurvePoint_Check(obj)) {
		self->c->push_vertex_back(((BPy_CurvePoint *)obj)->cp);
	}
	else if (BPy_SVertex_Check(obj)) {
		self->c->push_vertex_back(((BPy_SVertex *)obj)->sv);
	}
	else {
		PyErr_SetString(PyExc_TypeError, "invalid argument");
		return NULL;
	}
	Py_RETURN_NONE;
}

PyDoc_STRVAR(FrsCurve_push_vertex_front_doc,
".. method:: push_vertex_front(vertex)\n"
"\n"
"   Adds a single vertex at the front of the Curve.\n"
"\n"
"   :arg vertex: A vertex object.\n"
"   :type vertex: :class:`SVertex` or :class:`CurvePoint`");

static PyObject *FrsCurve_push_vertex_front(BPy_FrsCurve *self, PyObject *args, PyObject *kwds)
{
	static const char *kwlist[] = {"vertex", NULL};
	PyObject *obj = 0;

	if (!PyArg_ParseTupleAndKeywords(args, kwds, "O", (char **)kwlist, &obj))
		return NULL;

	if (BPy_CurvePoint_Check(obj)) {
		self->c->push_vertex_front(((BPy_CurvePoint *)obj)->cp);
	}
	else if (BPy_SVertex_Check(obj)) {
		self->c->push_vertex_front(((BPy_SVertex *)obj)->sv);
	}
	else {
		PyErr_SetString(PyExc_TypeError, "invalid argument");
		return NULL;
	}
	Py_RETURN_NONE;
}

static PyMethodDef BPy_FrsCurve_methods[] = {
	{"push_vertex_back", (PyCFunction)FrsCurve_push_vertex_back, METH_VARARGS | METH_KEYWORDS,
	                     FrsCurve_push_vertex_back_doc},
	{"push_vertex_front", (PyCFunction)FrsCurve_push_vertex_front, METH_VARARGS | METH_KEYWORDS,
	                      FrsCurve_push_vertex_front_doc},
	{NULL, NULL, 0, NULL}
};

/*----------------------CurvePoint get/setters ----------------------------*/

PyDoc_STRVAR(FrsCurve_is_empty_doc,
"True if the Curve doesn't have any Vertex yet.\n"
"\n"
":type: bool");

static PyObject *FrsCurve_is_empty_get(BPy_FrsCurve *self, void *UNUSED(closure))
{
	return PyBool_from_bool(self->c->empty());
}

PyDoc_STRVAR(FrsCurve_segments_size_doc,
"The number of segments in the polyline constituting the Curve.\n"
"\n"
":type: int");

static PyObject *FrsCurve_segments_size_get(BPy_FrsCurve *self, void *UNUSED(closure))
{
	return PyLong_FromLong(self->c->nSegments());
}

static PyGetSetDef BPy_FrsCurve_getseters[] = {
	{(char *)"is_empty", (getter)FrsCurve_is_empty_get, (setter)NULL, (char *)FrsCurve_is_empty_doc, NULL},
	{(char *)"segments_size", (getter)FrsCurve_segments_size_get, (setter)NULL,
	                          (char *)FrsCurve_segments_size_doc, NULL},
	{NULL, NULL, NULL, NULL, NULL}  /* Sentinel */
};

/*-----------------------BPy_FrsCurve type definition ------------------------------*/

PyTypeObject FrsCurve_Type = {
	PyVarObject_HEAD_INIT(NULL, 0)
	"Curve",                        /* tp_name */
	sizeof(BPy_FrsCurve),           /* tp_basicsize */
	0,                              /* tp_itemsize */
	0,                              /* tp_dealloc */
	0,                              /* tp_print */
	0,                              /* tp_getattr */
	0,                              /* tp_setattr */
	0,                              /* tp_reserved */
	0,                              /* tp_repr */
	0,                              /* tp_as_number */
	0,                              /* tp_as_sequence */
	0,                              /* tp_as_mapping */
	0,                              /* tp_hash  */
	0,                              /* tp_call */
	0,                              /* tp_str */
	0,                              /* tp_getattro */
	0,                              /* tp_setattro */
	0,                              /* tp_as_buffer */
	Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
	FrsCurve_doc,                   /* tp_doc */
	0,                              /* tp_traverse */
	0,                              /* tp_clear */
	0,                              /* tp_richcompare */
	0,                              /* tp_weaklistoffset */
	0,                              /* tp_iter */
	0,                              /* tp_iternext */
	BPy_FrsCurve_methods,           /* tp_methods */
	0,                              /* tp_members */
	BPy_FrsCurve_getseters,         /* tp_getset */
	&Interface1D_Type,              /* tp_base */
	0,                              /* tp_dict */
	0,                              /* tp_descr_get */
	0,                              /* tp_descr_set */
	0,                              /* tp_dictoffset */
	(initproc)FrsCurve_init,        /* tp_init */
	0,                              /* tp_alloc */
	0,                              /* tp_new */
};

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

#ifdef __cplusplus
}
#endif