File: regionmapobject.cpp

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/*
 *
 * Copyright (C) 2001-2005 Ichiro Fujinaga, Michael Droettboom, and Karl MacMillan
 *
 * 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.
 */

#define GAMERACORE_INTERNAL
#include "gameramodule.hpp"

using namespace Gamera;

extern "C" {
  static PyObject* regionmap_new(PyTypeObject* pytype, PyObject* args,
			     PyObject* kwds);
  static void regionmap_dealloc(PyObject* self);
  static PyObject* regionmap_lookup(PyObject* self, PyObject* args);
  static PyObject* regionmap_add_region(PyObject* self, PyObject* args);
  static PyObject* regionmap___getitem__(PyObject* self, Py_ssize_t index);
  static Py_ssize_t regionmap___len__(PyObject* self);
}

static PyTypeObject RegionMapType = {
  PyObject_HEAD_INIT(NULL)
  0,
};

static PySequenceMethods RegionMapSequenceMethods = {
  0,
};

static PyMethodDef regionmap_methods[] = {
  { CHAR_PTR_CAST "lookup", regionmap_lookup, METH_VARARGS },
  { CHAR_PTR_CAST "add_region", regionmap_add_region, METH_VARARGS },
  { NULL }
};

PyTypeObject* get_RegionMapType() {
  return &RegionMapType;
}

static PyObject* regionmap_new(PyTypeObject* pytype, PyObject* args,
			    PyObject* kwds) {
  int num_args = PyTuple_GET_SIZE(args);
  if (num_args != 0) {
    PyErr_SetString(PyExc_TypeError, "Invalid arguments to ImageInfo constructor.");
    return 0;
  }
  RegionMapObject* so;
  so = (RegionMapObject*)pytype->tp_alloc(pytype, 0);
  so->m_x = new RegionMap();
  return (PyObject*)so;
}

static void regionmap_dealloc(PyObject* self) {
  RegionMapObject* r = (RegionMapObject*)self;
  delete r->m_x;
  self->ob_type->tp_free(self);
}

static PyObject* regionmap_lookup(PyObject* self, PyObject* args) {
  PyObject* key;
  if (PyArg_ParseTuple(args, CHAR_PTR_CAST "O:lookup", &key) <= 0)
    return 0;
  if (!is_RectObject(key)) {
    PyErr_SetString(PyExc_TypeError, "Key must be a Rect!");
    return 0;
  }
  RegionMapObject* r = (RegionMapObject*)self;
  Region tmp = r->m_x->lookup(*((RectObject*)key)->m_x);
  return create_RegionObject(tmp);
}

static PyObject* regionmap_add_region(PyObject* self, PyObject* args) {
  PyObject* key;
  if (PyArg_ParseTuple(args, CHAR_PTR_CAST "O:add_region", &key) <= 0)
    return 0;
  if (!is_RegionObject(key)) {
    PyErr_SetString(PyExc_TypeError, "Must be a Region!");
    return 0;
  }
  RegionMapObject* r = (RegionMapObject*)self;
  Region* region = (Region*)((RectObject*)key)->m_x;
  r->m_x->add_region(*region);
  Py_INCREF(Py_None);
  return Py_None;
}

static PyObject* regionmap___getitem__(PyObject* self, Py_ssize_t index) {
  RegionMap* r = ((RegionMapObject*)self)->m_x;
  if (index < 0 || (unsigned int)(index) >= r->size()) {
    PyErr_SetString(PyExc_IndexError, "Index out of range");
    return 0;
  }
  RegionMap::iterator it = (*r).begin();
  for (size_t i = 0; i != (unsigned int)index; ++i, ++it)
    ;
  return create_RegionObject(*it);
}

static Py_ssize_t regionmap___len__(PyObject* self) {
  return (((RegionMapObject*)self)->m_x->size());
}

void init_RegionMapType(PyObject* module_dict) {
  RegionMapSequenceMethods.sq_item = regionmap___getitem__;
  RegionMapSequenceMethods.sq_length = regionmap___len__;

  RegionMapType.ob_type = &PyType_Type;
  RegionMapType.tp_name = CHAR_PTR_CAST "gameracore.RegionMap";
  RegionMapType.tp_basicsize = sizeof(RegionMapObject);
  RegionMapType.tp_dealloc = regionmap_dealloc;
  RegionMapType.tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE;
  RegionMapType.tp_methods = regionmap_methods;
  RegionMapType.tp_new = regionmap_new;
  RegionMapType.tp_getattro = PyObject_GenericGetAttr;
  RegionMapType.tp_alloc = NULL; // PyType_GenericAlloc;
  RegionMapType.tp_free = NULL; // _PyObject_Del;
  RegionMapType.tp_as_sequence = &RegionMapSequenceMethods;
  PyType_Ready(&RegionMapType);
  PyDict_SetItemString(module_dict, "RegionMap", (PyObject*)&RegionMapType);
}