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
|
# 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
from libavg import avg, player
import apphelpers
g_KbManager = apphelpers.KeyboardManager.get()
class CoordCalibrator(object):
def __init__(self, calibrationTerminatedCb):
self.__calibrationTerminatedCb = calibrationTerminatedCb
self.__CurPointIndex = 0
self.__CPPCal = player.getTracker().startCalibration()
self.__LastCenter = None
self.__NumMessages = 0
self._mycursor = None
mainNode = player.getElementByID("cal_coordcalibrator")
mainNode.active = True
mainNode.opacity = 1
mainNode.setEventHandler(avg.Event.CURSOR_DOWN, avg.Event.TOUCH,
self.__onTouchDown)
mainNode.setEventHandler(avg.Event.CURSOR_MOTION, avg.Event.TOUCH,
self.__onTouchMove)
mainNode.setEventHandler(avg.Event.CURSOR_UP, avg.Event.TOUCH, self.__onTouchUp)
self.__crosshair = player.getElementByID("cal_crosshair")
self.__feedback = player.getElementByID("cal_feedback")
self.__feedback.opacity = 0
self.__addMessage("Starting calibration.")
self.__moveMarker()
g_KbManager.push()
g_KbManager.bindKey('space', self.__nextPoint, 'sample next point')
g_KbManager.bindKey('a', self.__abortCalibration, 'abort calibration')
def __endCalibration(self, isSuccessful):
player.getElementByID("cal_coordcalibrator").active = False
player.getElementByID("cal_coordcalibrator").opacity = 0
MsgsNode = player.getElementByID("cal_messages")
for i in range(0, MsgsNode.getNumChildren()):
MsgsNode.removeChild(0)
g_KbManager.pop()
self.__calibrationTerminatedCb(isSuccessful)
def __nextPoint(self):
if self.__LastCenter:
self.__CPPCal.setCamPoint(self.__LastCenter)
self.__addMessage (" Using: %(x).2f, %(y).2f" %
{ "x": self.__LastCenter[0], "y": self.__LastCenter[1]})
self._mycursor = None
self.__LastCenter = None
hasNextPoint = self.__CPPCal.nextPoint()
if not hasNextPoint:
# Note: may raise RuntimeError. A rollback doesn't appear to be possible,
# which means crashing here is safer than handling the exception
player.getTracker().endCalibration()
self.__endCalibration(True)
else:
self.__CurPointIndex += 1
self.__moveMarker()
def __abortCalibration(self):
player.getTracker().abortCalibration()
self.__endCalibration(False)
def __moveMarker(self):
self.__crosshair.x, self.__crosshair.y = self.__CPPCal.getDisplayPoint()
self.__crosshair.x, self.__crosshair.y = self.__feedback.x, self.__feedback.y = \
(self.__crosshair.x-7, self.__crosshair.y-7)
self.__addMessage("Calibrating point "+str(self.__CurPointIndex))
def __addMessage(self, text):
MsgsNode = player.getElementByID("cal_messages")
if self.__NumMessages > 38:
for i in range(0, MsgsNode.getNumChildren()-1):
MsgsNode.getChild(i).text = MsgsNode.getChild(i+1).text
MsgsNode.removeChild(MsgsNode.getNumChildren()-1)
else:
self.__NumMessages += 1
Node = player.createNode(
"<words fontsize='10' font='Eurostile' color='00FF00'/>")
Node.x = 0
Node.y = self.__NumMessages*13
Node.text = text
MsgsNode.appendChild(Node)
def __onTouchDown(self, Event):
if Event.source != avg.Event.TOUCH:
return
if not self._mycursor:
self._mycursor = Event.cursorid
else:
return
self.__LastCenter = Event.center
self.__addMessage(" Touch at %(x).2f, %(y).2f" % {
"x": Event.center[0], "y": Event.center[1]})
self.__feedback.opacity = 1
def __onTouchMove(self,Event):
if Event.source != avg.Event.TOUCH:
return
if self._mycursor == Event.cursorid:
self.__LastCenter = Event.center
def __onTouchUp(self, Event):
if Event.source != avg.Event.TOUCH:
return
self.__addMessage("touchup")
self.__feedback.opacity = 0
if self._mycursor:
self._mycursor = None
else:
return
|
