def __init__(self, stims, Q_c2g, E_g2p, Q_g2s):
"""
stims: dict to define a stimulus.
eg. stims = {'cue':{'class':'Block','parm':{'size':(100,40),'position':(0,0)}}}
Q_c2g: multiprocessing.Queue, used for accepting stimulus control command from core process
E_g2p: multiprocessing.Event, used for sending user termination event to the phase process
Q_g2s: multiprocessing.Queue, used for sending accurate trigger to sigpro process
"""
super(GUImachine, self).__init__()
pygame.init()
self.Q_c2g = Q_c2g
self.E_g2p = E_g2p
self.Q_g2s = Q_g2s
self.trigger_on = False
self.trigger_event = {}
self.stp = False
self.lock = threading.Lock()
if stims['screen']['type'].lower() == 'fullscreen':
self.screen = pygame.display.set_mode(
(0, 0), FULLSCREEN | DOUBLEBUF | HWSURFACE, 32)
self.vsync = True
else:
if stims['screen'].has_key('frameless'):
if stims['screen'].has_key('frameless'):
self.screen = pygame.display.set_mode(
stims['screen']['size'], pygame.NOFRAME)
else:
self.screen = pygame.display.set_mode(
stims['screen']['size'])
else:
self.screen = pygame.display.set_mode(stims['screen']['size'])
self.vsync = False
if OS != 'Windows': self.vsync = False
self.screen_color = stims['screen']['color']
self.screen.fill(self.screen_color)
pygame.display.set_caption('BCI GUI')
del stims['screen']
self.setDaemon(True)
self.ask_4_update_gui = False #线程接收到刷新请求后，进行绘图准备，并通知主进程刷新
self.update_in_this_frame = False #主进程在一帧真实的刷新帧中确定能够进行刷新
self.__update_per_frame_list = []
#register stimulis
for ID in stims:
element = stims[ID]
if element['class'] == 'Block':
self.stimuli[ID] = Block(self.screen, **element['parm'])
elif element['class'] == 'Imagebox':
self.stimuli[ID] = Imagebox(self.screen, **element['parm'])
elif element['class'] == 'sinBlock':
self.stimuli[ID] = sinBlock(self.screen, **element['parm'])
self.__update_per_frame_list.append(self.stimuli[ID])
elif element['class'] == 'mBlock':
self.stimuli[ID] = mBlock(self.screen, **element['parm'])
self.__update_per_frame_list.append(self.stimuli[ID])
else:
pass
def __init__(self, stims, Q_c2g, E_g2c, server_address):
"""
stims: dict to define a stimulus.
eg. stims = {'cue':{'class':'Block','parm':{'size':(100,40),'position':(0,0)}}}
Q_c2g: multiprocessing.Queue, used for accepting stimulus control command from core process
kwargs: server_address = ?, the target server's address to accept marker
property for describe screen
size: (width,height)
type: fullscreen/normal
frameless: True/False
color: (R,G,B)
caption: string
Fps: int, strongly suggest you set Fps as the same with system's Fps
"""
super(GuiEngine, self).__init__()
self.Q_c2g = Q_c2g
self.E_g2c = E_g2c
self.marker_on = False
self.marker_event = {}
self.stp = False
self.lock = threading.Lock()
pygame.init()
#初始化screen
# 当且仅当window环境变量设置成功且fullscreen时，SCREEN_SYNC=True
if stims['screen']['type'].lower() == 'fullscreen':
self.screen = pygame.display.set_mode(
(0, 0), FULLSCREEN | DOUBLEBUF | HWSURFACE, 32)
else:
# 将窗口置中
if OS == 'windows':
w, h = stims['screen']['size']
x = int((SCRW - w) / 2.)
y = int((SCRH - 50 - h) / 2.) - 50 # 扣除任务栏高度
os.environ['SDL_VIDEO_WINDOW_POS'] = '%i,%i' % (x, y)
self.screen = pygame.display.set_mode(stims['screen']['size'],
NOFRAME | DOUBLEBUF, 32)
SCREEN_SYNC = False
self.screen_color = stims['screen']['color']
self.screen.fill(self.screen_color)
pygame.display.set_caption(stims['screen']['caption'])
self.Fps = stims['screen']['Fps']
del stims['screen']
self.ask_4_update_gui = False #线程接收到刷新请求后，通知主进程刷新
self.update_in_this_frame = False #主进程在一帧真实的刷新帧中确定能够进行刷新
self.__update_per_frame_list = [] #接受帧刷新对象
if server_address is None:
class Marker():
def __init__(self, sa):
pass
def send_marker(self, marker):
raise Exception(
'marker_sender was not initilized because server_address parameter was not given'
)
self.marker_sender = Marker(server_address)
#注册刺激，生成实例
for ID in stims:
element = stims[ID]
if element['class'] == 'Block':
self.stimuli[ID] = Block(self.screen, **element['parm'])
elif element['class'] == 'Imagebox':
self.stimuli[ID] = Imagebox(self.screen, **element['parm'])
elif element['class'] == 'sinBlock':
self.stimuli[ID] = sinBlock(self.screen, **element['parm'])
self.__update_per_frame_list.append(
self.stimuli[ID]) #帧刷新对象的列表
elif element['class'] == 'mBlock':
self.stimuli[ID] = mBlock(self.screen, **element['parm'])
self.__update_per_frame_list.append(self.stimuli[ID])
else:
pass
self.setDaemon(True) #子线程随主线程退出
self.start()
def __init__(self, stims, Q_c2g, E_g2p, Q_g2s):
"""
stims: dict to define a stimulus.
eg. stims = {'cue':{'class':'Block','parm':{'size':(100,40),'position':(0,0)}}}
Q_c2g: multiprocessing.Queue, used for accepting stimulus control command from core process
E_g2p: multiprocessing.Event, used for sending user termination event to the phase process
Q_g2s: multiprocessing.Queue, used for sending accurate trigger to sigpro process
property for describe screen
size: (width,height)
type: fullscreen/normal
frameless: True/False
color: (R,G,B)
caption: string
Fps: int, strongly suggest you set Fps as the same with system's Fps
"""
super(GuiEngine, self).__init__()
pygame.init()
self.Q_c2g = Q_c2g
self.E_g2p = E_g2p
self.Q_g2s = Q_g2s
self.trigger_on = False
self.trigger_event = {}
self.stp = False
self.lock = threading.Lock()
#初始化screen
if stims['screen']['type'].lower() == 'fullscreen':
self.screen = pygame.display.set_mode(
(0, 0), FULLSCREEN | DOUBLEBUF | HWSURFACE, 32)
self.vsync = True
print self.vsync, 'vsync'
else:
if stims['screen'].has_key('frameless'):
self.screen = pygame.display.set_mode(stims['screen']['size'],
NOFRAME | DOUBLEBUF, 32)
else:
self.screen = pygame.display.set_mode(stims['screen']['size'],
DOUBLEBUF, 32)
self.vsync = False
if OS != 'windows': self.vsync = False
self.screen_color = stims['screen']['color']
self.screen.fill(self.screen_color)
pygame.display.set_caption(stims['screen']['caption'])
self.Fps = stims['screen']['Fps']
del stims['screen']
self.ask_4_update_gui = False #线程接收到刷新请求后，通知主进程刷新
self.update_in_this_frame = False #主进程在一帧真实的刷新帧中确定能够进行刷新
self.__update_per_frame_list = [] #接受帧刷新对象
#注册刺激，生成实例
for ID in stims:
element = stims[ID]
if element['class'] == 'Block':
self.stimuli[ID] = Block(self.screen, **element['parm'])
elif element['class'] == 'Imagebox':
self.stimuli[ID] = Imagebox(self.screen, **element['parm'])
elif element['class'] == 'sinBlock':
self.stimuli[ID] = sinBlock(self.screen, **element['parm'])
self.__update_per_frame_list.append(
self.stimuli[ID]) #帧刷新对象的列表
elif element['class'] == 'mBlock':
self.stimuli[ID] = mBlock(self.screen, **element['parm'])
self.__update_per_frame_list.append(self.stimuli[ID])
else:
pass
self.setDaemon(True) #子线程隧主线程退出
self.start()
def __init__(self, layout, gmess, **kwargs):
"""
layout: dict to define stimulus layout. must contain layout for screen
eg, layout = {'screen':{'size':(200,200),'color':(0,0,0),'type':'fullscreen',
'Fps':60,'caption':'this is an example'},
'cue':{'class':'sinBlock','parm':{'size':(100,100),'position':(100,100),
'frequency':13,'visible':True,'start':True}}}
gmess: type of stimMessage which is an object to transmit json string for controlling
the GUI's updating
kwargs: eg. trigger_mess = xx, if an object with type of stimMessage with the name of trigger_mess,
this object will send out trigger event at the precision time when the required stimulus is rendered.
"""
super(brGui, self).__init__()
pygame.init()
self.gmess = gmess
self.stimuli = {}
self.__release_ID_list = []
if kwargs.has_key('trigger_mess'):
self.trigger_mess = kwargs['trigger_mess']
self._trigger_enable_ = True
else:
self._trigger_enable_ = False
self.stp = False
self.lock = threading.Lock()
#初始化screen
if layout['screen']['type'].lower() == 'fullscreen':
self.screen = pygame.display.set_mode(
(0, 0), FULLSCREEN | DOUBLEBUF | HWSURFACE, 32)
else:
if layout['screen'].has_key('frameless'):
self.screen = pygame.display.set_mode(layout['screen']['size'],
NOFRAME | DOUBLEBUF, 32)
else:
self.screen = pygame.display.set_mode(layout['screen']['size'],
DOUBLEBUF, 32)
_VSYNC_ = False #非全屏情况下无法开启垂直同步
self.screen_color = layout['screen']['color']
self.screen.fill(self.screen_color)
pygame.display.set_caption(layout['screen']['caption'])
self.Fps = layout['screen']['Fps']
del layout['screen']
self.ask_update_gui = False #线程接收到刷新请求后，通知主进程刷新
self.update_in_this_frame = False #主进程在一帧真实的刷新帧中确定能够进行刷新
self.__update_per_frame_list = [] #接受帧刷新对象
#注册刺激，生成实例
for ID in layout:
element = layout[ID]
if element['class'] == 'Block':
self.stimuli[ID] = Block(self.screen, **element['parm'])
elif element['class'] == 'Imagebox':
self.stimuli[ID] = Imagebox(self.screen, **element['parm'])
elif element['class'] == 'sinBlock':
self.stimuli[ID] = sinBlock(self.screen, **element['parm'])
self.__update_per_frame_list.append(
self.stimuli[ID]) #帧刷新对象的列表
elif element['class'] == 'mBlock':
self.stimuli[ID] = mBlock(self.screen, **element['parm'])
self.__update_per_frame_list.append(self.stimuli[ID])
else:
pass
self.setDaemon(True) #子线程隧主线程退出
self.start()