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/** \file gameengine/VideoTexture/FilterBlueScreen.cpp
* \ingroup bgevideotex
*/
/* $Id$
-----------------------------------------------------------------------------
This source file is part of VideoTexture library
Copyright (c) 2007 The Zdeno Ash Miklas
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/copyleft/lesser.txt.
-----------------------------------------------------------------------------
*/
#include <PyObjectPlus.h>
#include <structmember.h>
#include "FilterBlueScreen.h"
#include "FilterBase.h"
#include "PyTypeList.h"
// implementation FilterBlueScreen
// constructor
FilterBlueScreen::FilterBlueScreen (void)
{
// set color to blue
setColor(0, 0, 255);
// set limits
setLimits(64, 64);
}
// set color
void FilterBlueScreen::setColor (unsigned char red, unsigned char green, unsigned char blue)
{
m_color[0] = red;
m_color[1] = green;
m_color[2] = blue;
}
// set limits for color variation
void FilterBlueScreen::setLimits (unsigned short minLimit, unsigned short maxLimit)
{
m_limits[0] = minLimit;
m_limits[1] = maxLimit > minLimit ? maxLimit : minLimit;
// calculate square values
for (short idx = 0; idx < 2; ++idx)
m_squareLimits[idx] = m_limits[idx] * m_limits[idx];
// limits distance
m_limitDist = m_squareLimits[1] - m_squareLimits[0];
}
// cast Filter pointer to FilterBlueScreen
inline FilterBlueScreen * getFilter (PyFilter * self)
{ return static_cast<FilterBlueScreen*>(self->m_filter); }
// python methods and get/sets
// get color
static PyObject * getColor (PyFilter * self, void * closure)
{
return Py_BuildValue("[BBB]", getFilter(self)->getColor()[0],
getFilter(self)->getColor()[1], getFilter(self)->getColor()[2]);
}
// set color
static int setColor (PyFilter * self, PyObject * value, void * closure)
{
// check validity of parameter
if (value == NULL || !PySequence_Check(value) || PySequence_Size(value) != 3
|| !PyLong_Check(PySequence_Fast_GET_ITEM(value, 0))
|| !PyLong_Check(PySequence_Fast_GET_ITEM(value, 1))
|| !PyLong_Check(PySequence_Fast_GET_ITEM(value, 2)))
{
PyErr_SetString(PyExc_TypeError, "The value must be a sequence of 3 ints");
return -1;
}
// set color
getFilter(self)->setColor((unsigned char)(PyLong_AsSsize_t(PySequence_Fast_GET_ITEM(value, 0))),
(unsigned char)(PyLong_AsSsize_t(PySequence_Fast_GET_ITEM(value, 1))),
(unsigned char)(PyLong_AsSsize_t(PySequence_Fast_GET_ITEM(value, 2))));
// success
return 0;
}
// get limits
static PyObject * getLimits (PyFilter * self, void * closure)
{
return Py_BuildValue("[II]", getFilter(self)->getLimits()[0],
getFilter(self)->getLimits()[1]);
}
// set limit
static int setLimits (PyFilter * self, PyObject * value, void * closure)
{
// check validity of parameter
if (value == NULL || !PySequence_Check(value) || PySequence_Size(value) != 2
|| !PyLong_Check(PySequence_Fast_GET_ITEM(value, 0))
|| !PyLong_Check(PySequence_Fast_GET_ITEM(value, 1)))
{
PyErr_SetString(PyExc_TypeError, "The value must be a sequence of 2 ints");
return -1;
}
// set limits
getFilter(self)->setLimits((unsigned short)(PyLong_AsSsize_t(PySequence_Fast_GET_ITEM(value, 0))),
(unsigned short)(PyLong_AsSsize_t(PySequence_Fast_GET_ITEM(value, 1))));
// success
return 0;
}
// attributes structure
static PyGetSetDef filterBSGetSets[] =
{
{(char*)"color", (getter)getColor, (setter)setColor, (char*)"blue screen color", NULL},
{(char*)"limits", (getter)getLimits, (setter)setLimits, (char*)"blue screen color limits", NULL},
// attributes from FilterBase class
{(char*)"previous", (getter)Filter_getPrevious, (setter)Filter_setPrevious, (char*)"previous pixel filter", NULL},
{NULL}
};
// define python type
PyTypeObject FilterBlueScreenType =
{
PyVarObject_HEAD_INIT(NULL, 0)
"VideoTexture.FilterBlueScreen", /*tp_name*/
sizeof(PyFilter), /*tp_basicsize*/
0, /*tp_itemsize*/
(destructor)Filter_dealloc,/*tp_dealloc*/
0, /*tp_print*/
0, /*tp_getattr*/
0, /*tp_setattr*/
0, /*tp_compare*/
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, /*tp_flags*/
"Filter for Blue Screen objects", /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
NULL, /* tp_methods */
0, /* tp_members */
filterBSGetSets, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
(initproc)Filter_init<FilterBlueScreen>, /* tp_init */
0, /* tp_alloc */
Filter_allocNew, /* tp_new */
};
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