1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/*
* ***** 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.
*
* Copyright (c) 2007 The Zdeno Ash Miklas
*
* This source file is part of VideoTexture library
*
* Contributor(s):
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file gameengine/VideoTexture/FilterBlueScreen.cpp
* \ingroup bgevideotex
*/
#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 */
};
|
