Python Screen.draw_text方法代碼示例

# 需要導入模塊: from pygaze.screen import Screen [as 別名]
# 或者: from pygaze.screen.Screen import draw_text [as 別名]
	def confirm_abort_experiment(self):

		"""
		Asks for confirmation before aborting the experiment. Displays a
		confirmation screen, collects the response, and acts accordingly.

		Exceptions:
		Raises a response_error upon confirmation.

		Returns:
		False if no confirmation was given.
		"""

		# Display the confirmation screen
		scr = Screen(disptype=DISPTYPE)
		kb = Keyboard(timeout=5000)
		yc = DISPSIZE[1]/2
		xc = DISPSIZE[0]/2
		ld = 40 # Line height
		scr.draw_text(u'Really abort experiment?', pos=(xc, yc-3*ld))
		scr.draw_text(u'Press \'Y\' to abort', pos=(xc, yc-0.5*ld))
		scr.draw_text(u'Press any other key or wait 5s to go to setup', \
			pos=(xc, yc+0.5*ld))
		self.display.fill(scr)
		self.display.show()
		# process the response:
		try:
			key, time = kb.get_key()
		except:
			return False
		# if confirmation, close experiment
		if key == u'y':
			raise Exception(u'The experiment was aborted')
		self.eyelink_graphics.esc_pressed = False
		return False

# 需要導入模塊: from pygaze.screen import Screen [as 別名]
# 或者: from pygaze.screen.Screen import draw_text [as 別名]
# SETUP

# visuals
disp = Display()
scr = Screen()

# input
tracker = EyeTracker(disp)
kb = Keyboard(keylist=None, timeout=None)

# calibrate
tracker.calibrate()

# starting screen
scr.clear()
scr.draw_text(text="Press Space to start")
disp.fill(scr)
disp.show()
kb.get_key(keylist=['space'], timeout=None, flush=True)


# # # # #
# VALIDATION

# loop through points
for i in range(len(CALIBPOINTS)):
	# get coordinate
	x, y = CALIBPOINTS[i]
	# draw calibration point
	scr.clear()
	scr.draw_fixation(fixtype='dot', pos=(x,y))

# 需要導入模塊: from pygaze.screen import Screen [as 別名]
# 或者: from pygaze.screen.Screen import draw_text [as 別名]

#.........這裏部分代碼省略.........
        """See pygaze._eyetracker.baseeyetracker.BaseEyeTracker"""

        return pylink.getEYELINK().isConnected()

    def calibrate(self):
        """See pygaze._eyetracker.baseeyetracker.BaseEyeTracker"""

        if self.recording:
            raise Exception(
                "Error in libeyelink.libeyelink.calibrate(): Trying to "
                "calibrate after recording has started!")

        # # # # #
        # EyeLink calibration and validation

        # attempt calibrate; confirm abort when esc pressed
        while True:
            self.eyelink_graphics.esc_pressed = False
            pylink.getEYELINK().doTrackerSetup()
            if not self.eyelink_graphics.esc_pressed:
                break
            self.confirm_abort_experiment()

        # If we are using the built-in EyeLink event detection, we don't need
        # the RMS calibration routine.
        if self.eventdetection == 'native':
            return

        # # # # #
        # RMS calibration

        # present instructions
        self.display.fill()  # clear display
        self.scr.draw_text(text= \
         "Noise calibration: please look at the dot\n\n(press space to start)",
         pos=(self.resolution[0]/2, int(self.resolution[1]*0.2)),
         center=True, fontsize=self.fontsize)
        self.scr.draw_fixation(fixtype='dot')
        self.display.fill(self.scr)
        self.display.show()
        self.scr.clear()  # clear screen again

        # wait for spacepress
        self.kb.get_key(keylist=['space'], timeout=None)

        # start recording
        self.log("PYGAZE RMS CALIBRATION START")
        self.start_recording()

        # show fixation
        self.display.fill()
        self.scr.draw_fixation(fixtype='dot')
        self.display.fill(self.scr)
        self.display.show()
        self.scr.clear()

        # wait for a bit, to allow participant to fixate
        clock.pause(500)

        # get samples
        # samplelist, prefilled with 1 sample to prevent sl[-1] from producing
        # an error; first sample will be ignored for RMS calculation
        sl = [self.sample()]
        t0 = clock.get_time()  # starting time
        while clock.get_time() - t0 < 1000:
            s = self.sample()  # sample

# 需要導入模塊: from pygaze.screen import Screen [as 別名]
# 或者: from pygaze.screen.Screen import draw_text [as 別名]
class EyelinkGraphics(custom_display):

    """
	Implements the EyeLink graphics that are shown on the experimental PC, such
	as the camera image, and the calibration dots. This class only implements
	the drawing operations, and little to no of the logic behind the set-up,
	which is implemented in PyLink.
	"""

    def __init__(self, libeyelink, tracker):

        """
		Constructor.

		Arguments:
		libeyelink	--	A libeyelink object.
		tracker		--	An tracker object as returned by pylink.EyeLink().
		"""

        pylink.EyeLinkCustomDisplay.__init__(self)

        # objects
        self.libeyelink = libeyelink
        self.display = libeyelink.display
        self.screen = Screen(disptype=DISPTYPE, mousevisible=False)
        self.kb = Keyboard(keylist=None, timeout=0)
        self.mouse = Mouse(timeout=0)
        if DISPTYPE == "pygame":
            self.kb.set_timeout(timeout=0.001)
            # If we are using a DISPTYPE that cannot be used directly, we have to
            # save the camera image to a temporary file on each frame.
            # if DISPTYPE not in ('pygame', 'psychopy'):
        import tempfile
        import os

        self.tmp_file = os.path.join(tempfile.gettempdir(), "__eyelink__.jpg")
        # drawing properties
        self.xc = self.display.dispsize[0] / 2
        self.yc = self.display.dispsize[1] / 2
        self.extra_info = True
        self.ld = 40  # line distance
        self.fontsize = libeyelink.fontsize
        self.title = ""
        self.display_open = True
        # menu
        self.menuscreen = Screen(disptype=DISPTYPE, mousevisible=False)
        self.menuscreen.draw_text(
            text="Eyelink calibration menu",
            pos=(self.xc, self.yc - 6 * self.ld),
            center=True,
            font="mono",
            fontsize=int(2 * self.fontsize),
            antialias=True,
        )
        self.menuscreen.draw_text(
            text="%s (pygaze %s, pylink %s)" % (libeyelink.eyelink_model, pygaze.version, pylink.__version__),
            pos=(self.xc, self.yc - 5 * self.ld),
            center=True,
            font="mono",
            fontsize=int(0.8 * self.fontsize),
            antialias=True,
        )
        self.menuscreen.draw_text(
            text="Press C to calibrate",
            pos=(self.xc, self.yc - 3 * self.ld),
            center=True,
            font="mono",
            fontsize=self.fontsize,
            antialias=True,
        )
        self.menuscreen.draw_text(
            text="Press V to validate",
            pos=(self.xc, self.yc - 2 * self.ld),
            center=True,
            font="mono",
            fontsize=self.fontsize,
            antialias=True,
        )
        self.menuscreen.draw_text(
            text="Press A to auto-threshold",
            pos=(self.xc, self.yc - 1 * self.ld),
            center=True,
            font="mono",
            fontsize=self.fontsize,
            antialias=True,
        )
        self.menuscreen.draw_text(
            text="Press I to toggle extra info in camera image",
            pos=(self.xc, self.yc - 0 * self.ld),
            center=True,
            font="mono",
            fontsize=self.fontsize,
            antialias=True,
        )
        self.menuscreen.draw_text(
            text="Press Enter to show camera image",
            pos=(self.xc, self.yc + 1 * self.ld),
            center=True,
            font="mono",
            fontsize=self.fontsize,
#.........這裏部分代碼省略.........

# 需要導入模塊: from pygaze.screen import Screen [as 別名]
# 或者: from pygaze.screen.Screen import draw_text [as 別名]
# RUN

# run until a minute has passed
t0 = timer.get_time()
t1 = timer.get_time()
text = "Test the joystick!"
while t1 - t0 < 60000:
	# get joystick input
	event, value, t1 = js.get_joyinput(timeout=10)
	# update text
	if event != None:
		text = text="%s: %s" % (event, value)
		if event == 'joyaxismotion' and RUMBLE:
			set_vibration(0, max(0, value[2]), max(0, -value[2]))
	# display on screen
	scr.clear()
	scr.draw_text(text="%s\n\n(%.2f)" % (text, float(t1-t0)/1000.0), fontsize=24)
	# show text
	disp.fill(scr)
	disp.show()


# # # # #
# CLOSE

# reset rumble to 0
if RUMBLE:
	set_vibration(0, 0, 0)
# close the Display
disp.close()

# 需要導入模塊: from pygaze.screen import Screen [as 別名]
# 或者: from pygaze.screen.Screen import draw_text [as 別名]

#.........這裏部分代碼省略.........

		# calibrate
		cres = iViewXAPI.iV_Calibrate()
			
		# validate if calibration returns succes
		if cres == 1:
			cerr = None
			vres = iViewXAPI.iV_Validate()
			# handle validation errors
			if vres != 1:
				verr = errorstring(vres)
			else:
				verr = None
##				# TEST #
##				res = iViewXAPI.iV_GetAccuracyImage(byref(imageData))
##				self.log("IMAGEBUFFERSTART")
##				self.log(imageData.imageBuffer)
##				self.log("IMAGEBUFFERSTOP")
##				print("Image height: %s, image width: %s, image size: %s" % (imageData.imageHeight,imageData.imageWidth, imageData.imageSize))
##				print imageData.imageBuffer
##				########
		# handle calibration errors
		else:
			cerr = errorstring(cres)

		# return succes
		if cerr == None:
			print("libsmi.SMItracker.calibrate: calibration was succesful")
			if verr == None:
				print("libsmi.SMItracker.calibrate: validation was succesful")

				# present instructions
				self.disp.fill() # clear display
				self.screen.draw_text(text="Noise calibration: please look at the dot\n\n(press space to start)", pos=(self.dispsize[0]/2, int(self.dispsize[1]*0.2)), center=True)
				self.screen.draw_fixation(fixtype='dot')
				self.disp.fill(self.screen)
				self.disp.show()
				self.screen.clear() # clear screen again

				# wait for spacepress
				self.kb.get_key(keylist=['space'], timeout=None)

				# show fixation
				self.disp.fill()
				self.screen.draw_fixation(fixtype='dot')
				self.disp.fill(self.screen)
				self.disp.show()
				self.screen.clear()

				# wait for a bit, to allow participant to fixate
				clock.pause(500)

				# get samples
				sl = [self.sample()] # samplelist, prefilled with 1 sample to prevent sl[-1] from producing an error; first sample will be ignored for RMS calculation
				t0 = clock.get_time() # starting time
				while clock.get_time() - t0 < 1000:
					s = self.sample() # sample
					if s != sl[-1] and s != (-1,-1) and s != (0,0):
						sl.append(s)
				# calculate RMS noise
				Xvar = []
				Yvar = []
				for i in range(2,len(sl)):
					Xvar.append((sl[i][0]-sl[i-1][0])**2)
					Yvar.append((sl[i][1]-sl[i-1][1])**2)
				XRMS = (sum(Xvar) / len(Xvar))**0.5

# 需要導入模塊: from pygaze.screen import Screen [as 別名]
# 或者: from pygaze.screen.Screen import draw_text [as 別名]

#.........這裏部分代碼省略.........
		self.log("fixation threshold: %s degrees" % self.fixtresh)
		self.log("speed threshold: %s degrees/second" % self.spdtresh)
		self.log("acceleration threshold: %s degrees/second**2" % self.accthresh)
		self.log("pygaze initiation report end")


	def calibrate(self):

		"""Calibrates the eye tracking system
		
		arguments
		None
		
		keyword arguments
		None

		returns
		success	-- returns True if calibration succeeded, or False if
				   not; in addition a calibration log is added to the
				   log file and some properties are updated (i.e. the
				   thresholds for detection algorithms)
		"""
		
		# CALIBRATION
		# determine the calibration points
		calibpoints = []
		for x in [0.1,0.5,0.9]:
			for y in [0.1,0.5,0.9]:
				calibpoints.append((int(x*self.dispsize[0]),int(y*self.dispsize[1])))
		random.shuffle(calibpoints)
		
		# show a message
		self.screen.clear()
		self.screen.draw_text(text="Press Space to start the calibration or Q to quit.")
		self.disp.fill(self.screen)
		self.disp.show()
		
		# wait for keyboard input
		key, keytime = self.kb.get_key(keylist=['q','space'], timeout=None, flush=True)
		if key == 'q':
			quited = True
		else:
			quited = False
		
		# run until the user is statisfied, or quits
		calibrated = False
		calibresult = None
		while not quited and not calibrated:
			# start a new calibration
			self.eyetribe.calibration.start(pointcount=len(calibpoints))
			
			# loop through calibration points
			for cpos in calibpoints:
				self.draw_calibration_target(cpos[0], cpos[1])
				# wait for a bit to allow participant to start looking at
				# the calibration point (#TODO: space press?)
				clock.pause(1000)
				# start calibration of point
				self.eyetribe.calibration.pointstart(cpos[0],cpos[1])
				# wait for a second
				clock.pause(1000)
				# stop calibration of this point
				result = self.eyetribe.calibration.pointend()
				# the final calibration point returns a dict (does it?)
				if type(result) == dict:
					calibresult = copy.deepcopy(result)

# 需要導入模塊: from pygaze.screen import Screen [as 別名]
# 或者: from pygaze.screen.Screen import draw_text [as 別名]
# initialize a Timer
timer = Time()

# create a new logfile
log = Logfile(filename="test")
log.write(["test", "time"])


# # # # #
# welcome

scr.draw_text("Welcome to the PyGaze Supertest!\n\nYou're going to be testing \
your PyGaze installation today, using this interactive tool. Press Space \
to start!\n\n\nP.S. If you see this, the following functions work: \
\n- Screen.draw_text \
\n- Disp.fill \
\n- Disp.show \
\nAwesome!")
disp.fill(scr)
t1 = disp.show()
log.write(["welcome", t1])
kb.get_key()


# # # # #
# test Keyboard

# test set_keylist, set_timeout and get_key
scr.clear()
scr.draw_text("The keylist has been set to ['1','5','e','s','left','space']; \

# 需要導入模塊: from pygaze.screen import Screen [as 別名]
# 或者: from pygaze.screen.Screen import draw_text [as 別名]
class EyelinkGraphics(custom_display):

	"""
	Implements the EyeLink graphics that are shown on the experimental PC, such
	as the camera image, and the calibration dots. This class only implements
	the drawing operations, and little to no of the logic behind the set-up,
	which is implemented in PyLink.
	"""

	def __init__(self, display, tracker):

		"""
		Constructor.

		Arguments:
		display		--	A PyGaze Display object.
		tracker		--	An tracker object as returned by pylink.EyeLink().
		"""

		pylink.EyeLinkCustomDisplay.__init__(self)

		# objects
		self.display = display
		self.screen = Screen(disptype=DISPTYPE, mousevisible=False)
		self.kb = Keyboard(keylist=None, timeout=1)
		if DISPTYPE == 'pygame':
			self.kb.set_timeout(timeout=0.001)
		# If we are using a DISPTYPE that cannot be used directly, we have to
		# save the camera image to a temporary file on each frame.
		#if DISPTYPE not in ('pygame', 'psychopy'):
		import tempfile
		import os
		self.tmp_file = os.path.join(tempfile.gettempdir(), \
			'__eyelink__.jpg')
		# drawing properties
		self.xc = self.display.dispsize[0]/2
		self.yc = self.display.dispsize[1]/2
		self.ld = 40 # line distance
		# menu
		self.menuscreen = Screen(disptype=DISPTYPE, mousevisible=False)
		self.menuscreen.draw_text(text="== Eyelink calibration menu ==", pos= \
			(self.xc,self.yc-5*self.ld), center=True, font='mono', fontsize= \
			12, antialias=True)
		self.menuscreen.draw_text(text="Press C to calibrate", pos=(self.xc, \
			self.yc-3*self.ld), center=True, font='mono', fontsize=12, \
			antialias=True)
		self.menuscreen.draw_text(text="Press V to validate", pos=(self.xc, \
			self.yc-2*self.ld), center=True, font='mono', fontsize=12, \
			antialias=True)
		self.menuscreen.draw_text(text="Press A to auto-threshold", pos=( \
			self.xc,self.yc-1*self.ld), center=True, font='mono', fontsize=12, \
			antialias=True)
		self.menuscreen.draw_text(text="Press Enter to show camera image", \
			pos=(self.xc,self.yc+1*self.ld), center=True, font='mono', \
			fontsize=12, antialias=True)
		self.menuscreen.draw_text(text= \
			"(then change between images using the arrow keys)", pos=(self.xc, \
			self.yc+2*self.ld), center=True, font='mono', fontsize=12, \
			antialias=True)
		self.menuscreen.draw_text(text="Press Q to exit menu", pos=(self.xc, \
			self.yc+5*self.ld), center=True, font='mono', fontsize=12, \
			antialias=True)
		# beeps
		self.__target_beep__ = Sound(osc='sine', freq=440, length=50, attack= \
			0, decay=0, soundfile=None)
		self.__target_beep__done__ = Sound(osc='sine', freq=880, length=200, \
			attack=0, decay=0, soundfile=None)
		self.__target_beep__error__ = Sound(osc='sine', freq=220, length=200, \
			attack=0, decay=0, soundfile=None)
		# further properties
		self.state = None
		self.imagebuffer = array.array('l')
		self.pal = None
		self.size = (0,0)
		self.set_tracker(tracker)
		self.last_mouse_state = -1

	def set_tracker(self, tracker):

		"""
		Connects the tracker to the graphics environment.

		Arguments:
		tracker		--	An tracker object as returned by pylink.EyeLink().
		"""

		self.tracker = tracker
		self.tracker_version = tracker.getTrackerVersion()
		if self.tracker_version >= 3:
			self.tracker.sendCommand("enable_search_limits=YES")
			self.tracker.sendCommand("track_search_limits=YES")
			self.tracker.sendCommand("autothreshold_click=YES")
			self.tracker.sendCommand("autothreshold_repeat=YES")
			self.tracker.sendCommand("enable_camera_position_detect=YES")

	def setup_cal_display(self):

		"""
		Sets up the initial calibration display, which contains a menu with
		instructions.
#.........這裏部分代碼省略.........

# 需要導入模塊: from pygaze.screen import Screen [as 別名]
# 或者: from pygaze.screen.Screen import draw_text [as 別名]
# initialize a Timer
timer = Time()

# create a new logfile
log = Logfile(filename="test")
log.write(["test", "time"])


# # # # #
# welcome

scr.draw_text("Welcome to the PyGaze Supertest!\n\nYou're going to be testing \
your PyGaze installation today, using this interactive tool. Press Space \
to start!\n\n\nP.S. If you see this, the following functions work: \
\n- Screen.draw_text \
\n- Disp.fill \
\n- Disp.show \
\nAwesome!")
disp.fill(scr)
t1 = disp.show()
log.write(["welcome", t1])
kb.get_key()


# # # # #
# test EyeTracker

#EyeTracker.connected
#EyeTracker.log_var
#EyeTracker.pupil_size