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/** \file gameengine/VideoTexture/FilterNormal.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 "FilterNormal.h"
#include "FilterBase.h"
#include "PyTypeList.h"
// implementation FilterNormal
// constructor
FilterNormal::FilterNormal (void) : m_colIdx(0)
{
// set default depth
setDepth(4);
}
// set color shift
void FilterNormal::setColor (unsigned short colIdx)
{
// check validity of index
if (colIdx < 3)
// set color shift
m_colIdx = colIdx;
}
// set depth
void FilterNormal::setDepth (float depth)
{
m_depth = depth;
m_depthScale = depth / depthScaleKoef;
}
// cast Filter pointer to FilterNormal
inline FilterNormal * getFilter (PyFilter * self)
{ return static_cast<FilterNormal*>(self->m_filter); }
// python methods and get/sets
// get index of color used to calculate normal
static PyObject * getColor (PyFilter * self, void * closure)
{
return Py_BuildValue("H", getFilter(self)->getColor());
}
// set index of color used to calculate normal
static int setColor (PyFilter * self, PyObject * value, void * closure)
{
// check validity of parameter
if (value == NULL || !PyLong_Check(value))
{
PyErr_SetString(PyExc_TypeError, "filt.colorIdx = int: VideoTexture.FilterNormal, expected the value must be a int");
return -1;
}
// set color index
getFilter(self)->setColor((unsigned short)(PyLong_AsSsize_t(value)));
// success
return 0;
}
// get depth
static PyObject * getDepth (PyFilter * self, void * closure)
{
return Py_BuildValue("f", getFilter(self)->getDepth());
}
// set depth
static int setDepth (PyFilter * self, PyObject * value, void * closure)
{
// check validity of parameter
if (value)
{
float depth= (float)PyFloat_AsDouble(value);
if ((depth==-1 && PyErr_Occurred()) == 0) /* no error converting to a float? */
{
// set depth
getFilter(self)->setDepth(depth);
// success
return 0;
}
}
PyErr_SetString(PyExc_TypeError, "filt.depth = float: VideoTexture.FilterNormal, expected the value must be a float");
return -1;
}
// attributes structure
static PyGetSetDef filterNormalGetSets[] =
{
{(char*)"colorIdx", (getter)getColor, (setter)setColor, (char*)"index of color used to calculate normal (0 - red, 1 - green, 2 - blue)", NULL},
{(char*)"depth", (getter)getDepth, (setter)setDepth, (char*)"depth of relief", NULL},
// attributes from FilterBase class
{(char*)"previous", (getter)Filter_getPrevious, (setter)Filter_setPrevious, (char*)"previous pixel filter", NULL},
{NULL}
};
// define python type
PyTypeObject FilterNormalType =
{
PyVarObject_HEAD_INIT(NULL, 0)
"VideoTexture.FilterNormal", /*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 */
filterNormalGetSets, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
(initproc)Filter_init<FilterNormal>, /* tp_init */
0, /* tp_alloc */
Filter_allocNew, /* tp_new */
};
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