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QDSpy_stim.py
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QDSpy_stim.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
QDSpy module - stimulus routines, classes, and compiler
'Stim'
Class representing a visual stimulus
This class is a graphics API independent.
Copyright (c) 2013-2024 Thomas Euler
All rights reserved.
2024-06-15 - Small fixes for PEP violations
- Reformatted (using Ruff)
"""
# ---------------------------------------------------------------------
__author__ = "code@eulerlab.de"
import pickle
import numpy as np
import QDSpy_global as glo
import QDSpy_stim_support as ssp
import QDSpy_stim_draw as drw
import QDSpy_stim_movie as mov
import QDSpy_stim_video as vid
import QDSpy_core_shader as csh
if glo.QDSpy_use_Lightcrafter:
import Devices.lightcrafter as lcr
_LCr = lcr.Lightcrafter(_isCheckOnly=True, _funcLog=ssp.Log.write)
else:
_LCr = None
# ---------------------------------------------------------------------
# fmt: off
class ColorMode:
range0_255 = 0
range0_1 = 1
LC_first = 2
LC_G9B9 = 2
COL_bitDepthRGB_888 = (8,8,8)
COL_bitShiftRGB_000 = (0,0,0)
RGB_MAX = 6
RGBA_MAX = 8
# ---------------------------------------------------------------------
class StimObjType:
box = 101
ellipse = 102
sector = 103
movie = 104
video = 105
shader = 201
# ...
Ellipse_maxTr = 72
Sector_maxTr = 360
Sector_maxStep = 10
SO_field_type = 0
SO_field_ID = 1
SO_field_size = 2
SO_field_fgRGB = 3
SO_field_alpha = 4
SO_field_doRGBAByVert = 5
SO_field_useShader = 6
SO_field_shProgIndex = 7
SH_field_type = 0
SH_field_ID = 1
SH_field_shaderType = 2
SH_field_Params = 3
SM_field_type = 0
SM_field_ID = 1
SM_field_movieFName = 2
SM_field_nFr = 3
SM_field_dxFr = 4
SM_field_dyFr = 5
SV_field_type = 0
SV_field_ID = 1
SV_field_videoFName = 2
SV_field_nFr = 3
SV_field_dxFr = 4
SV_field_dyFr = 5
SV_field_fps = 6
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
#SO_defaultFgRGB = (255, 255, 255)
SO_defaultFgRGBEx = (255,255,255, 255,255,255)
SO_defaultAlpha = 255
SO_default_RGBAByVert = 0
SO_default_useShader = 0
# ---------------------------------------------------------------------
class StimSceType:
changeObjCol = 201
changeBkgCol = 202
changeShParams = 203
changeObjShader = 204
# ...
clearSce = 211
renderSce = 212
startMovie = 213
startVideo = 214
awaitTTL = 215
beginLoop = 220
endLoop = 221
# ...
sendCommandToLCr = 300
#
logUserParams = 400
# ...
getRandom = 500
SC_field_type = 0
SC_field_duration_s = 1
SC_field_index = 2
SC_field_marker = 3
SC_field_IDs = 4
SC_field_posXY = 5
SC_field_magXY = 6
SC_field_rot = 7
'''
SC_field_screen = 8
'''
SC_field_RGBs = 5
SC_field_Alphas = 6
SC_field_doRGBAByVert = 7
SC_field_nLoopTrials = 4
SC_field_BkgRGB = 4
SC_field_ShID = 4
SC_field_ShParams = 5
SC_field_ShIDs = 5
SC_field_MovSeq = 8
SC_field_MovTrans = 9
SC_field_MovScreen = 10
SC_field_VidTrans = 8
SC_field_VidScreen = 9
SC_field_LCrParams = 4
SC_field_userParams = 4
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
#SC_defaultBgRGB = (0, 0, 0)
SC_defaultBgRGBEx = (0,0,0, 0,0,0)
SC_enableRGBAByVert = 1
SC_disableRGBAByVert = 0
SC_vertDataSame = 0
SC_vertDataChanged = 1
SC_ObjNewVer = 0x01
SC_ObjNewiVer = 0x02
SC_ObjNewRGBA = 0x04
SC_ObjNewAll = 0x07
SC_ObjNewNone = 0x00
# ---------------------------------------------------------------------
class StimLCrCmd:
#connect = 0
#disconnect = 1
#getHardwareStatus = 2
#getSystemStatus = 3
#getMainStatus = 4
#getVideoSigStatus = 5
softwareReset = 6
setInputSource = 7
setDisplayMode = 8
#setVideoGamma = 9
setTestPattern = 10
#getLEDCurrents = 11
setLEDCurrents = 12
setLEDEnabled = 13
getLEDEnabled = 14
# ...
# ---------------------------------------------------------------------
class StimErrC:
ok = 0
notYetImplemented = -1
invalidDimensions = -10
invalidDuration = -11
invalidParamType = -12
inconsistentParams = -13
invalidAngles = -14
existingID = -20
noMatchingID = -21
nothingToCompile = -50
noStimOrNotCompiled = -51
wrongStimFileFormat = -52
invalidFileNamePath = -53
noDefsInRunSection = -54
noShadersInRunSect = -55
invalidShaderType = -56
notShaderObject = -57
noCompiledStim = -58
movieFileNotFound = -60
notMovieObject = -61
invalidMovieDesc = -62
inconsMovieDesc = -63
invalidMovieSeq = -64
invalidMovieFormat = -65
videoFileNotFound = -70
invalidVideoFormat = -71
DeviceError_LCr = -99
SetGammaLUTFailed = -200
# ...
StimErrStr = dict([
(StimErrC.ok, "ok"),
(StimErrC.notYetImplemented, "Not yet implemented"),
(StimErrC.invalidDimensions, "Invalid dimensions"),
(StimErrC.invalidDuration, "Invalid duration"),
(StimErrC.invalidParamType, "Invalid parameter type"),
(StimErrC.inconsistentParams, "Inconsistent parameters"),
(StimErrC.invalidAngles, "Angle(s) <0 or >360"),
(StimErrC.existingID, "Object ID(s) already exist(s)"),
(StimErrC.noMatchingID, "Object ID(s) not found"),
(StimErrC.nothingToCompile, "No objects and/or scenes to compile"),
(StimErrC.noStimOrNotCompiled,"No stimulus defined or not yet compiled"),
(StimErrC.wrongStimFileFormat,"Wrong stimulus file format"),
(StimErrC.invalidFileNamePath,"Invalid file name or path"),
(StimErrC.noCompiledStim, "Stimulus needs to be compiled"),
(StimErrC.noDefsInRunSection, "No object definitions allowed in run section"),
(StimErrC.noShadersInRunSect, "Shader must be assigned to objects before run section"),
(StimErrC.invalidShaderType, "Invalid shader type"),
(StimErrC.notShaderObject, "Object(s) in list not shader-enabled"),
(StimErrC.movieFileNotFound, "Movie file(s) not found"),
(StimErrC.notMovieObject, "Object is not a movie"),
(StimErrC.invalidMovieDesc, "Invalid movie description"),
(StimErrC.inconsMovieDesc, "Movie description does not match image"),
(StimErrC.invalidMovieSeq, "Invalid movie sequence"),
(StimErrC.invalidMovieFormat, "Invalid movie format"),
(StimErrC.DeviceError_LCr, "Device error (Lightcrafter), code={0}"),
(StimErrC.SetGammaLUTFailed, "Failed to set gamma LUT")
])
# fmt: on
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
class StimException(Exception):
def __init__(self, value, subvalue=0):
self.value = value
if subvalue == 0:
self.str = StimErrStr[value]
else:
self.str = StimErrStr[value].format(subvalue)
def __str__(self):
return self.str
# ---------------------------------------------------------------------
# Stimulus class
# ---------------------------------------------------------------------
class Stim:
def __init__(self):
"""Initializing
"""
self.clear()
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def clear(self):
"""Pseudo code representation of the stimulus
(with seconds and µms as units)
"""
self.nameStr = "n/a"
self.descrStr = "no description"
self.fileName = ""
self.ObjList = []
self.ObjDict = dict()
self.ShList = []
self.ShDict = dict()
self.MovList = []
self.MovDict = dict()
self.VidList = []
self.VidDict = dict()
self.SceList = []
self.nSce = 0
self.curBgRGB = SC_defaultBgRGBEx
self.LastErrC = StimErrC.ok
self.tStart = 0.0
self.isComp = False
self.isRunSect = False
self.inLoop = False
self.iLoopSce = -1
self.colorMode = ColorMode.range0_255
self.bitDepth = COL_bitDepthRGB_888
self.bitShift = COL_bitShiftRGB_000
self.Conf = None
self.ShManager = None
self.isUseLCr = False
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def getLastErrC(self):
return self.LastErrC
def getLastErrStr(self):
return StimErrStr[self.LastErrC]
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def defObj_box(self, _ID, _dx_um, _dy_um, _enShader):
"""Define a box object and add it to the stimulus object list
(For parameters, see QDS.py)
"""
if (_dx_um <= 0) or (_dy_um <= 0):
self.LastErrC = StimErrC.invalidDimensions
raise StimException(StimErrC.invalidDimensions)
try:
self.ObjDict[_ID]
except KeyError:
pass
else:
self.LastErrC = StimErrC.existingID
raise StimException(self.LastErrC)
newBox = [
StimObjType.box,
_ID,
(float(_dx_um), float(_dy_um)),
SO_defaultFgRGBEx,
SO_defaultAlpha,
SO_default_RGBAByVert,
_enShader,
-1,
]
self.ObjDict[_ID] = len(self.ObjList)
self.ObjList.append(newBox)
self.LastErrC = StimErrC.ok
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def defObj_ellipse(self, _ID, _dx_um, _dy_um, _enShader):
"""Define an ellipse object and add it to the stimulus object list
(For parameters, see QDS.py)
"""
if (_dx_um <= 0) or (_dy_um <= 0):
self.LastErrC = StimErrC.invalidDimensions
raise StimException(StimErrC.invalidDimensions)
try:
self.ObjDict[_ID]
except KeyError:
pass
else:
self.LastErrC = StimErrC.existingID
raise StimException(self.LastErrC)
newEllipse = [
StimObjType.ellipse,
_ID,
(float(_dx_um), float(_dy_um)),
SO_defaultFgRGBEx,
SO_defaultAlpha,
SO_default_RGBAByVert,
_enShader,
-1,
]
self.ObjDict[_ID] = len(self.ObjList)
self.ObjList.append(newEllipse)
self.LastErrC = StimErrC.ok
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def defObj_sector(self, _ID, _r, _offs, _angle, _awidth, _astep, _enShader):
"""Define a sector object and add it to the stimulus object list
(For parameters, see QDS.py)
"""
if (_r <= _offs) or (_r <= 0) or (_offs < 0):
self.LastErrC = StimErrC.inconsistentParams
raise StimException(StimErrC.inconsistentParams)
if (_angle < 0) or (_angle > 360) or (_awidth <= 1) or (_awidth > 360):
self.LastErrC = StimErrC.invalidAngles
raise StimException(StimErrC.invalidAngles)
if (_astep is not None) and ((_astep < 1) or (_astep > 90)):
_astep = None
try:
self.ObjDict[_ID]
except KeyError:
pass
else:
self.LastErrC = StimErrC.existingID
raise StimException(self.LastErrC)
newSector = [
StimObjType.sector,
_ID,
(float(_r), float(_offs), float(_angle), float(_awidth), _astep),
SO_defaultFgRGBEx,
SO_defaultAlpha,
SO_default_RGBAByVert,
_enShader,
-1,
]
self.ObjDict[_ID] = len(self.ObjList)
self.ObjList.append(newSector)
self.LastErrC = StimErrC.ok
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def defShader(self, _shID, _shType):
"""Define a shader
(For parameters, see QDS.py)
Create shader manager, if not already existent, and check if
shader type exists
"""
if self.ShManager is None:
self.ShManager = csh.ShaderManager(self.Conf)
if _shType not in self.ShManager.getShaderTypes():
self.LastErrC = StimErrC.invalidShaderType
raise StimException(StimErrC.invalidShaderType)
try:
self.ShDict[_shID]
except KeyError:
pass
else:
self.LastErrC = StimErrC.existingID
raise StimException(self.LastErrC)
newShader = [
StimObjType.shader,
_shID,
_shType,
self.ShManager.getDefaultParams(_shType),
]
self.ShDict[_shID] = len(self.ShList)
self.ShList.append(newShader)
self.LastErrC = StimErrC.ok
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def defObj_movie(self, _ID, _fName):
"""Define a movie object and add it to the movie object list
(For parameters, see QDS.py)
"""
tempMovie = mov.Movie(self.Conf)
self.LastErrC = tempMovie.load(self.Conf.pathStim + _fName)
if self.LastErrC != StimErrC.ok:
raise StimException(self.LastErrC)
try:
self.MovDict[_ID]
except KeyError:
pass
else:
self.LastErrC = StimErrC.existingID
raise StimException(self.LastErrC)
newMovie = [
StimObjType.movie,
_ID,
_fName,
tempMovie.nFr,
tempMovie.dxFr,
tempMovie.dyFr,
]
self.MovDict[_ID] = len(self.MovList)
self.MovList.append(newMovie)
self.LastErrC = StimErrC.ok
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def getMovieParams(self, _ID):
"""Get movie object parameters
(For parameters, see QDS.py)
"""
try:
iMvOb = self.MovDict[_ID]
MvOb = self.MovList[iMvOb]
except KeyError:
self.LastErrC = StimErrC.noMatchingID
raise StimException(self.LastErrC)
d = dict()
d["dxFr"] = MvOb[SM_field_dxFr]
d["dyFr"] = MvOb[SM_field_dyFr]
d["nFr"] = MvOb[SM_field_nFr]
return d
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def defObj_video(self, _ID, _fName):
"""Define a video object and add it to the video object list
(For parameters, see QDS.py)
"""
tempVideo = vid.Video(self.Conf)
self.LastErrC = tempVideo.load(self.Conf.pathStim + _fName)
if self.LastErrC != StimErrC.ok:
raise StimException(self.LastErrC)
try:
self.VidDict[_ID]
except KeyError:
pass
else:
self.LastErrC = StimErrC.existingID
raise StimException(self.LastErrC)
newVideo = [
StimObjType.video,
_ID,
_fName,
tempVideo.nFr,
tempVideo.dxFr,
tempVideo.dyFr,
tempVideo.fps,
]
self.VidDict[_ID] = len(self.VidList)
self.VidList.append(newVideo)
self.LastErrC = StimErrC.ok
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def getVideoParams(self, _ID):
"""Get video object parameters
(For parameters, see QDS.py)
"""
try:
iVdOb = self.VidDict[_ID]
VdOb = self.VidList[iVdOb]
except KeyError:
self.LastErrC = StimErrC.noMatchingID
raise StimException
d = dict()
d["dxFr"] = VdOb[SV_field_dxFr]
d["dyFr"] = VdOb[SV_field_dyFr]
d["nFr"] = VdOb[SV_field_nFr]
d["fps"] = VdOb[SV_field_fps]
return d
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def setObjColor(self, _IDs, _newRGBs, _newAlphas):
"""Changes the color and the alpha values of one or more objects
by creating a scene w/o duration
Parameters:
_IDs := list of IDs
_newRGBs := list of RGB tuples (bytes)
_newAlphas := list of alpha values (byte)
e.g.
setObjColor([1,2], [(255,128,0), (0,63,128)], [128,255])
"""
if (
not (isinstance(_IDs, list))
or not (isinstance(_newRGBs, list))
or not (isinstance(_newRGBs[0], tuple))
or not (isinstance(_newAlphas, list))
or (len(_IDs) != len(_newRGBs))
or (len(_IDs) != len(_newAlphas))
):
self.LastErrC = StimErrC.invalidParamType
raise StimException
for ID in _IDs:
try:
self.ObjDict[ID]
except KeyError:
self.LastErrC = StimErrC.noMatchingID
raise StimException
RGBEx = ssp.completeRGBList(_newRGBs)
newSce = [
StimSceType.changeObjCol,
-1,
self.nSce,
False,
_IDs,
RGBEx,
_newAlphas,
len(_IDs) * [SC_disableRGBAByVert],
]
self.SceList.append(newSce)
self.nSce += 1
self.LastErrC = StimErrC.ok
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def setObjColorAlphaByVertex(self, _IDs, _newRGBAs):
"""Change the color(s) of the given object(s)
(For parameters, see QDS.py)
"""
if (
not (isinstance(_IDs, list))
or not (isinstance(_newRGBAs, list))
or not (isinstance(_newRGBAs[0], list))
or not (isinstance(_newRGBAs[0][0], tuple))
or (len(_IDs) != len(_newRGBAs))
):
self.LastErrC = StimErrC.invalidParamType
raise StimException
for ID in _IDs:
try:
self.ObjDict[ID]
except KeyError:
self.LastErrC = StimErrC.noMatchingID
raise StimException
RGBAEx = ssp.completeRGBAList(_newRGBAs)
newSce = [
StimSceType.changeObjCol,
-1,
self.nSce,
False,
_IDs,
RGBAEx,
len(_IDs) * [0],
len(_IDs) * [SC_enableRGBAByVert],
]
self.SceList.append(newSce)
self.nSce += 1
self.LastErrC = StimErrC.ok
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def setColorLUTEntry(self, _index, _rgb):
"""Change a color LUT entry
(For parameters, see QDS.py)
"""
if (
(_index < 0)
or (_index > 255)
or not (isinstance(_rgb, tuple))
or len(_rgb) not in [3, 6]
):
self.LastErrC = StimErrC.invalidParamType
raise StimException
# *********************
# *********************
# *********************
# TODO
# *********************
# *********************
# *********************
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def setShaderParams(self, _shID, _shParams):
"""Set or change the parameters of an existing shader
(For parameters, see QDS.py)
"""
if not (isinstance(_shID, int)) or not (isinstance(_shParams, list)):
self.LastErrC = StimErrC.invalidParamType
raise StimException
try:
iSh = self.ShDict[_shID]
except KeyError:
self.LastErrC = StimErrC.noMatchingID
raise StimException
shP = _shParams
shType = self.ShList[iSh][SH_field_shaderType]
try:
iShD = self.ShManager.getShaderTypes().index(shType)
ShD = self.ShManager.ShDesc[iShD]
except ValueError:
self.LastErrC = StimErrC.invalidShaderType
raise StimException
# Convert RBG values for each shader parameter (uniform) that
# contains the substring "rgb"
for i, par in enumerate(ShD[1]):
if (ShD[2][i] > 1) and ("rgb" in par.lower()):
shP[i] = ssp.scaleRGBShader(self, shP[i])
newSce = [StimSceType.changeShParams, -1, self.nSce, False, [_shID], shP]
self.SceList.append(newSce)
self.nSce += 1
self.LastErrC = StimErrC.ok
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def setObjShader(self, _IDs, _shIDs):
"""Link object(s) with existing shader(s)
(For parameters, see QDS.py)
"""
if not (isinstance(_IDs, list)) or not (isinstance(_shIDs, list)):
self.LastErrC = StimErrC.invalidParamType
raise StimException
for ID in _IDs:
try:
# self.ObjDict[ID]
if self.ObjList[self.ObjDict[ID]][SO_field_useShader] == 0:
self.LastErrC = StimErrC.notShaderObject
raise StimException
except KeyError:
self.LastErrC = StimErrC.noMatchingID
raise StimException
for ID in _shIDs:
if ID < 0:
continue
try:
self.ShDict[ID]
except KeyError:
self.LastErrC = StimErrC.noMatchingID
raise StimException
newSce = [StimSceType.changeObjShader, -1, self.nSce, False, _IDs, _shIDs]
self.SceList.append(newSce)
self.nSce += 1
self.LastErrC = StimErrC.ok
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def setBkgColor(self, _newRGB):
"""Changes the background color by creating a scene w/o duration
Parameters:
_newRGB := RGB tuple (bytes)
e.g.
setBkgColor((255,128,0))
"""
if not (isinstance(_newRGB, tuple)):
self.LastErrC = StimErrC.invalidParamType
raise StimException
RGBEx = ssp.completeRGBList([_newRGB])
newSce = [StimSceType.changeBkgCol, -1, self.nSce, False, RGBEx[0]]
self.SceList.append(newSce)
self.nSce += 1
self.LastErrC = StimErrC.ok
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def awaitTTL(self):
"""..."""
newSce = [StimSceType.awaitTTL, -1, self.nSce, False]
self.SceList.append(newSce)
self.nSce += 1
self.LastErrC = StimErrC.ok
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def getRandom(self, _seed):
"""..."""
newSce = [StimSceType.getRandom, -1, self.nSce, False, _seed]
self.SceList.append(newSce)
self.nSce += 1
self.LastErrC = StimErrC.ok
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def logUserParameters(self, _dict):
"""Writes a user-defined set of parameters to the log file
(For parameters, see QDS.py)
"""
if not (isinstance(_dict, dict)):
self.LastErrC = StimErrC.invalidParamType
raise StimException
# **************************************
# **************************************
# TODO: Check dict for large lists or data structures and if
# present, save right here as external stimulus files to
# keep the amount of text written into the log file and
# the history during the stimulus presentation at a
# minimum
# **************************************
# **************************************
newSce = [StimSceType.logUserParams, -1, self.nSce, False, _dict]
self.SceList.append(newSce)
self.nSce += 1
self.LastErrC = StimErrC.ok
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def clearScene(self, _dur_s, _isMarker=False):
"""Clear the scene (the screen) using the current background color
and present that scene for the given duration (if _dur_s > 0)
NOTE that all special objects, like moving bars movies etc. that
have not finished, are continued to be updated
"""
if _dur_s < 0:
self.LastErrC = StimErrC.invalidDuration
raise StimException
elif _dur_s == 0:
dur = -1
else:
dur = float(_dur_s)
newSce = [StimSceType.clearSce, dur, self.nSce, _isMarker, self.curBgRGB]
self.SceList.append(newSce)
self.nSce += 1
self.LastErrC = StimErrC.ok
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def loopBegin(self, _nTrials):
"""..."""
if self.inLoop:
return -1
self.inLoop = True
self.iLoopSce = self.nSce
newSce = [
StimSceType.beginLoop,
-1,
self.nSce,
False,
_nTrials if _nTrials > 0 else -1,
]
self.SceList.append(newSce)
self.nSce += 1
self.LastErrC = StimErrC.ok
def loopEnd(self):
"""..."""
if not self.inLoop:
return -1
newSce = [StimSceType.endLoop, -1, self.nSce, False]
self.SceList.append(newSce)
self.nSce += 1
self.inLoop = False
self.iLoopSce = -1
self.LastErrC = StimErrC.ok
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def processLCrCommand(self, _cmd, _p=None):
"""..."""
if _p is None:
_p = [0]
if not self.Conf.useLCr:
self.LastErrC = StimErrC.ok
return
# Check if parameters are valid for the respective lightcrafter
# commands using a "dummy" LCr object
# (Note that params[0] is always the lightcrafter device index;
# necessary for the case that there are more than one devices
# connected.)
res = [lcr.ERROR.OK]
if _cmd == StimLCrCmd.softwareReset:
res = _LCr.softwareReset()
elif _cmd == StimLCrCmd.setInputSource:
res = _LCr.setInputSource(_p[1], _p[2])
elif _cmd == StimLCrCmd.setDisplayMode:
res = _LCr.setDisplayMode(_p[1])
elif _cmd == StimLCrCmd.setTestPattern:
res = _LCr.setTestPattern(_p[1])
elif _cmd == StimLCrCmd.setLEDCurrents:
res = _LCr.setLEDCurrents(_p[1])
elif _cmd == StimLCrCmd.setLEDEnabled:
res = _LCr.setLEDEnabled(_p[1], _p[2])
if res[0] != lcr.ERROR.OK:
self.LastErrC = StimErrC.DeviceError_LCr
raise StimException
newSce = [StimSceType.sendCommandToLCr, -1, self.nSce, False, [_cmd] + _p]
self.SceList.append(newSce)
self.nSce += 1
self.isUseLCr = True
self.LastErrC = StimErrC.ok
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def renderScene(self, _dur_s, _IDs, _posXY, _magXY, _rot, _isMarker=False):
"""Render objects and present that scene for the given duration.
NOTE that all special objects, like moving bars movies etc. that
have not finished, are continued to be updated
Parameters:
_dur_s := scene duration in s
_IDs := list of object IDs to render
_posXY := list of x,y tuples as object positions in µm
_magXY := list of magnification factors (x,y tuples)
_rot := list of rotation angles in degrees
e.g.
renderScene(1.0, [1,3], [(0,0), (50,40)], [(1.0,1.0),(0.5,0.5)],
[90,180])
"""
if (
not (isinstance(_IDs, list))
or not (isinstance(_posXY, list))
or not (isinstance(_posXY[0], tuple))
or not (isinstance(_magXY, list))
or not (isinstance(_magXY[0], tuple))
or not (isinstance(_rot, list))
or (len(_IDs) != len(_posXY))
or (len(_IDs) != len(_magXY))
or (len(_IDs) != len(_rot))
):
self.LastErrC = StimErrC.invalidParamType
raise StimException
if _dur_s <= 0:
self.LastErrC = StimErrC.invalidDuration
raise StimException
for ID in _IDs:
try:
self.ObjDict[ID]
except KeyError:
self.LastErrC = StimErrC.noMatchingID
raise StimException
newSce = [
StimSceType.renderSce,
float(_dur_s),
self.nSce,
_isMarker,
_IDs,
_posXY,
_magXY,
_rot,
]
self.SceList.append(newSce)
self.nSce += 1
self.LastErrC = StimErrC.ok
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def startMovie(self, _ID, _posXY, _seq, _magXY, _trans, _rot, _screen=0):
"""Start playing a movie object
(For parameters, see QDS.py)
"""
if (
not (isinstance(_posXY, tuple))
or not (isinstance(_magXY, tuple))
or not (isinstance(_seq, list))
or not (len(_seq) == 4)
or (_trans < 0)
or (_trans > 255)
or (_screen < 0)
or (_screen >= glo.QDSpy_maxNumberOfScreens)
):
self.LastErrC = StimErrC.invalidParamType
raise StimException
try:
iMvOb = self.MovDict[_ID]
# if not(self.MovList[iOb][SO_field_type] == StimObjType.movie):
# self.LastErrC = StimErrC.notMovieObject
# raise(StimException(self.LastErrC))
except KeyError:
self.LastErrC = StimErrC.noMatchingID
raise StimException
tmpMCtr = mov.MovieCtrl(_seq, _ID, _nFr=self.MovList[iMvOb][SM_field_nFr])
if not (tmpMCtr.check()):
self.LastErrC = StimErrC.invalidMovieSeq
raise StimException
newSce = [
StimSceType.startMovie,
-1,
self.nSce,
False,
[_ID],
_posXY,
_magXY,
_rot,
_seq,
_trans,
_screen,
]
self.SceList.append(newSce)
self.nSce += 1
self.LastErrC = StimErrC.ok
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def startVideo(self, _ID, _posXY, _magXY, _trans, _rot, _screen=0):
"""Start playing a video object
(For parameters, see QDS.py)
"""
if (
not (isinstance(_posXY, tuple))
or not (isinstance(_magXY, tuple))
or (_trans < 0)
or (_trans > 255)
or _screen not in [0, 1]
):
self.LastErrC = StimErrC.invalidParamType
raise StimException
try:
_ = self.VidDict[_ID]
except KeyError:
self.LastErrC = StimErrC.noMatchingID
raise StimException
newSce = [
StimSceType.startVideo,
-1,
self.nSce,
False,