blender-archive/source/blender/freestyle/intern/python/BPy_BinaryPredicate1D.cpp

/*
 * 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.
 */

/** \file \ingroup freestyle
 */

#include "BPy_BinaryPredicate1D.h"

#include "BPy_Convert.h"
#include "BPy_Interface1D.h"

#include "BinaryPredicate1D/BPy_FalseBP1D.h"
#include "BinaryPredicate1D/BPy_Length2DBP1D.h"
#include "BinaryPredicate1D/BPy_SameShapeIdBP1D.h"
#include "BinaryPredicate1D/BPy_TrueBP1D.h"
#include "BinaryPredicate1D/BPy_ViewMapGradientNormBP1D.h"

#ifdef __cplusplus
extern "C" {
#endif

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

//-------------------MODULE INITIALIZATION--------------------------------
int BinaryPredicate1D_Init(PyObject *module)
{
	if (module == NULL)
		return -1;

	if (PyType_Ready(&BinaryPredicate1D_Type) < 0)
		return -1;
	Py_INCREF(&BinaryPredicate1D_Type);
	PyModule_AddObject(module, "BinaryPredicate1D", (PyObject *)&BinaryPredicate1D_Type);

	if (PyType_Ready(&FalseBP1D_Type) < 0)
		return -1;
	Py_INCREF(&FalseBP1D_Type);
	PyModule_AddObject(module, "FalseBP1D", (PyObject *)&FalseBP1D_Type);

	if (PyType_Ready(&Length2DBP1D_Type) < 0)
		return -1;
	Py_INCREF(&Length2DBP1D_Type);
	PyModule_AddObject(module, "Length2DBP1D", (PyObject *)&Length2DBP1D_Type);

	if (PyType_Ready(&SameShapeIdBP1D_Type) < 0)
		return -1;
	Py_INCREF(&SameShapeIdBP1D_Type);
	PyModule_AddObject(module, "SameShapeIdBP1D", (PyObject *)&SameShapeIdBP1D_Type);

	if (PyType_Ready(&TrueBP1D_Type) < 0)
		return -1;
	Py_INCREF(&TrueBP1D_Type);
	PyModule_AddObject(module, "TrueBP1D", (PyObject *)&TrueBP1D_Type);

	if (PyType_Ready(&ViewMapGradientNormBP1D_Type) < 0)
		return -1;
	Py_INCREF(&ViewMapGradientNormBP1D_Type);
	PyModule_AddObject(module, "ViewMapGradientNormBP1D", (PyObject *)&ViewMapGradientNormBP1D_Type);

	return 0;
}

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

static char BinaryPredicate1D___doc__[] =
"Base class for binary predicates working on :class:`Interface1D`\n"
"objects.  A BinaryPredicate1D is typically an ordering relation\n"
"between two Interface1D objects.  The predicate evaluates a relation\n"
"between the two Interface1D instances and returns a boolean value (true\n"
"or false).  It is used by invoking the __call__() method.\n"
"\n"
".. method:: __init__()\n"
"\n"
"   Default constructor.\n"
"\n"
".. method:: __call__(inter1, inter2)\n"
"\n"
"   Must be overload by inherited classes. It evaluates a relation\n"
"   between two Interface1D objects.\n"
"\n"
"   :arg inter1: The first Interface1D object.\n"
"   :type inter1: :class:`Interface1D`\n"
"   :arg inter2: The second Interface1D object.\n"
"   :type inter2: :class:`Interface1D`\n"
"   :return: True or false.\n"
"   :rtype: bool\n";

static int BinaryPredicate1D___init__(BPy_BinaryPredicate1D *self, PyObject *args, PyObject *kwds)
{
	static const char *kwlist[] = {NULL};

	if (!PyArg_ParseTupleAndKeywords(args, kwds, "", (char **)kwlist))
		return -1;
	self->bp1D = new BinaryPredicate1D();
	self->bp1D->py_bp1D = (PyObject *)self;
	return 0;
}

static void BinaryPredicate1D___dealloc__(BPy_BinaryPredicate1D *self)
{
	if (self->bp1D)
		delete self->bp1D;
	Py_TYPE(self)->tp_free((PyObject *)self);
}

static PyObject *BinaryPredicate1D___repr__(BPy_BinaryPredicate1D *self)
{
	return PyUnicode_FromFormat("type: %s - address: %p", Py_TYPE(self)->tp_name, self->bp1D);
}

static PyObject *BinaryPredicate1D___call__(BPy_BinaryPredicate1D *self, PyObject *args, PyObject *kwds)
{
	static const char *kwlist[] = {"inter1", "inter2", NULL};
	BPy_Interface1D *obj1, *obj2;

	if (!PyArg_ParseTupleAndKeywords(args, kwds, "O!O!", (char **)kwlist,
	                                 &Interface1D_Type, &obj1, &Interface1D_Type, &obj2))
	{
		return NULL;
	}
	if (typeid(*(self->bp1D)) == typeid(BinaryPredicate1D)) {
		PyErr_SetString(PyExc_TypeError, "__call__ method not properly overridden");
		return NULL;
	}
	if (self->bp1D->operator()(*(obj1->if1D), *(obj2->if1D)) < 0) {
		if (!PyErr_Occurred()) {
			string class_name(Py_TYPE(self)->tp_name);
			PyErr_SetString(PyExc_RuntimeError, (class_name + " __call__ method failed").c_str());
		}
		return NULL;
	}
	return PyBool_from_bool(self->bp1D->result);
}

/*----------------------BinaryPredicate0D get/setters ----------------------------*/

PyDoc_STRVAR(BinaryPredicate1D_name_doc,
"The name of the binary 1D predicate.\n"
"\n"
":type: str");

static PyObject *BinaryPredicate1D_name_get(BPy_BinaryPredicate1D *self, void *UNUSED(closure))
{
	return PyUnicode_FromString(Py_TYPE(self)->tp_name);
}

static PyGetSetDef BPy_BinaryPredicate1D_getseters[] = {
	{(char *)"name", (getter)BinaryPredicate1D_name_get, (setter)NULL, (char *)BinaryPredicate1D_name_doc, NULL},
	{NULL, NULL, NULL, NULL, NULL}  /* Sentinel */
};

/*-----------------------BPy_BinaryPredicate1D type definition ------------------------------*/
PyTypeObject BinaryPredicate1D_Type = {
	PyVarObject_HEAD_INIT(NULL, 0)
	"BinaryPredicate1D",            /* tp_name */
	sizeof(BPy_BinaryPredicate1D),  /* tp_basicsize */
	0,                              /* tp_itemsize */
	(destructor)BinaryPredicate1D___dealloc__, /* tp_dealloc */
	0,                              /* tp_print */
	0,                              /* tp_getattr */
	0,                              /* tp_setattr */
	0,                              /* tp_reserved */
	(reprfunc)BinaryPredicate1D___repr__, /* tp_repr */
	0,                              /* tp_as_number */
	0,                              /* tp_as_sequence */
	0,                              /* tp_as_mapping */
	0,                              /* tp_hash  */
	(ternaryfunc)BinaryPredicate1D___call__, /* tp_call */
	0,                              /* tp_str */
	0,                              /* tp_getattro */
	0,                              /* tp_setattro */
	0,                              /* tp_as_buffer */
	Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
	BinaryPredicate1D___doc__,      /* tp_doc */
	0,                              /* tp_traverse */
	0,                              /* tp_clear */
	0,                              /* tp_richcompare */
	0,                              /* tp_weaklistoffset */
	0,                              /* tp_iter */
	0,                              /* tp_iternext */
	0,                              /* tp_methods */
	0,                              /* tp_members */
	BPy_BinaryPredicate1D_getseters, /* tp_getset */
	0,                              /* tp_base */
	0,                              /* tp_dict */
	0,                              /* tp_descr_get */
	0,                              /* tp_descr_set */
	0,                              /* tp_dictoffset */
	(initproc)BinaryPredicate1D___init__, /* tp_init */
	0,                              /* tp_alloc */
	PyType_GenericNew,              /* tp_new */
};

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

#ifdef __cplusplus
}
#endif