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
|
//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// This library 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 library 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 library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
#include "Anim.h"
#include "../base/Exception.h"
#include "../base/ObjectCounter.h"
#include "../player/Player.h"
using namespace boost::python;
using namespace std;
namespace avg {
Anim::Anim(const object& startCallback, const object& stopCallback)
: m_StartCallback(startCallback),
m_StopCallback(stopCallback),
m_bRunning(false),
m_bIsRoot(true)
{
ObjectCounter::get()->incRef(&typeid(*this));
Player::get()->registerPlaybackEndListener(this);
}
Anim::~Anim()
{
ObjectCounter::get()->decRef(&typeid(*this));
if (Player::exists()) {
Player::get()->unregisterPlaybackEndListener(this);
}
}
void Anim::setStartCallback(const object& startCallback)
{
m_StartCallback = startCallback;
}
void Anim::setStopCallback(const object& stopCallback)
{
m_StopCallback = stopCallback;
}
void Anim::start(bool)
{
if (m_bRunning) {
throw(Exception(AVG_ERR_UNSUPPORTED,
"Anim.start(): animation already running."));
}
if (!(Player::get()->isPlaying())) {
throw(Exception(AVG_ERR_UNSUPPORTED,
"Animation playback can only be started when the player is running."));
}
m_bRunning = true;
if (m_bIsRoot) {
Player::get()->registerPreRenderListener(this);
}
if (m_StartCallback != object()) {
call<void>(m_StartCallback.ptr());
}
}
bool Anim::isRunning() const
{
return m_bRunning;
}
void Anim::setHasParent()
{
assert(!m_bRunning);
m_bIsRoot = false;
}
void Anim::onPreRender()
{
step();
}
void Anim::onPlaybackEnd()
{
AnimPtr tempThis = shared_from_this();
m_StartCallback = object();
m_StopCallback = object();
if (m_bRunning) {
abort();
}
}
void Anim::setStopped()
{
if (m_bIsRoot) {
Player::get()->unregisterPreRenderListener(this);
}
m_bRunning = false;
if (m_StopCallback != object()) {
try {
m_StopCallback();
} catch (error_already_set &) {
cerr << "Python exception in Anim stop callback." << endl;
PyErr_Print();
exit(5);
}
}
}
}
|
