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|
#-------------------------------------------------------------------------------
# OpenColorIO (color management) related Mari scripts
# coding: utf-8
# Copyright (c) 2011 The Foundry Visionmongers Ltd. All Rights Reserved.
#-------------------------------------------------------------------------------
import mari, time, PythonQt, os, math
##############################################################################################
# Enable to output extended debugging messages.
VERBOSE_ENABLED = False
# Message type identifiers.
class MessageType:
DEBUG = 1
INFO = 2
WARNING = 3
ERROR = 4
def printMessage(type, message):
if type == MessageType.DEBUG:
if VERBOSE_ENABLED:
mari.app.log('[ OpenColorIO ] %s' % message)
elif type == MessageType.INFO:
mari.app.log('[ OpenColorIO ] %s' % message)
elif type == MessageType.WARNING:
mari.app.log('[ OpenColorIO ] [ WARNING ] %s' % message)
elif type == MessageType.ERROR:
mari.app.log('[ OpenColorIO ] [ ERROR ] %s' % message)
##############################################################################################
def configFileFilter():
return 'OpenColorIO Configuration (*.ocio)'
#---------------------------------------------------------------------------------------------
def lutFileFilter():
result = 'All LUT Files (*.3dl *.ccc *.cc *.csp *.cub *.cube *.hdl *.m3d *.mga *.spi1d *.spi3d *.spimtx *.vf);;'
result += 'Autodesk LUT (*.3dl);;'
result += 'ASC CDL Color Correction Collection LUT (*.ccc);;'
result += 'ASC CDL Color Correction LUT (*.cc);;'
result += 'Cinespace LUT (*.csp);;'
result += 'Truelight LUT (*.cub);;'
result += 'Iridas LUT (*.cube);;'
result += 'Houdini LUT (*.hdl);;'
result += 'Pandora LUT (*.m3d *.mga);;'
result += 'Imageworks LUT (*.spi1d *.spi3d *.spimtx);;'
result += 'Inventor LUT (*.vf)'
return result
##############################################################################################
# Make sure the OpenColorIO python bindings are okay.
try:
import PyOpenColorIO
printMessage(MessageType.INFO, 'Loaded Python bindings \'%s\' successfully' % PyOpenColorIO.__file__)
except ImportError, e:
PyOpenColorIO = None
printMessage(MessageType.ERROR, 'Failed to load Python bindings \'%s\'' % e)
LUT_FILE_LIST_RESET = mari.FileList(mari.FileList.TYPE_SINGLE_FILE)
LUT_FILE_LIST_RESET.setAcceptNonExisting(True)
LUT_FILE_LIST_RESET.setFilter(lutFileFilter())
CONFIG_FILE_LIST_RESET = mari.FileList(mari.FileList.TYPE_SINGLE_FILE)
if mari.app.isRunning():
CONFIG_FILE_LIST_RESET.append(mari.resources.path(mari.resources.COLOR) + '/OpenColorIO/nuke-default/config.ocio')
else:
CONFIG_FILE_LIST_RESET.append('/OpenColorIO/nuke-default/config.ocio')
CONFIG_FILE_LIST_RESET.setPickedFile(CONFIG_FILE_LIST_RESET.at(0))
CONFIG_FILE_LIST_RESET.setAcceptNonExisting(True)
CONFIG_FILE_LIST_RESET.setFilter(configFileFilter())
SQRT_TWO = math.sqrt(2.0)
LUT_SIZE_TYPES = ['Small', 'Medium', 'Large']
LUT_SIZE_VALUES = {'Small': 16,
'Medium': 32,
'Large': 64}
LUT_SIZE_RESET = LUT_SIZE_TYPES[1]
ENABLED_RESET = True
PROFILE_RESET = 'Color Space'
LUT_EXTRAPOLATE_RESET = True
COLOR_SPACE_RESET = 'sRGB'
DISPLAY_RESET = 'default'
VIEW_RESET = 'sRGB'
SWIZZLE_TYPES = ['Luminance', 'RGB', 'R', 'G', 'B', 'A']
SWIZZLE_VALUES = {'Luminance': ( True, True, True, False),
'RGB': ( True, True, True, True),
'R': ( True, False, False, False),
'G': (False, True, False, False),
'B': (False, False, True, False),
'A': (False, False, False, True)}
SWIZZLE_RESET = SWIZZLE_TYPES[1]
FSTOP_STEP_SIZE = 0.5
FSTOP_CENTER_MIN = 1.0
FSTOP_CENTER_MAX = 64.0
FSTOP_CENTER_STEP_SIZE = 0.001
FSTOP_CENTER_RESET = 8.0
EXPOSURE_MIN = -6.0
EXPOSURE_MAX = +6.0
EXPOSURE_DELTA = EXPOSURE_MAX - EXPOSURE_MIN
EXPOSURE_STEP_SIZE = 0.1
GAIN_RESET = 1.0
GAIN_MIN = 2.0 ** EXPOSURE_MIN
GAIN_MAX = 2.0 ** EXPOSURE_MAX
GAIN_STEP_SIZE = 0.000001
GAIN_PRECISION = 6
GAMMA_RESET = 1.0
GAMMA_MIN = 0.0
GAMMA_MAX = 4.0
GAMMA_STEP_SIZE = 0.01
GAMMA_PRECISION = 2
enabled_default = ENABLED_RESET
profile_default = PROFILE_RESET
lut_file_list_default = mari.FileList(LUT_FILE_LIST_RESET)
lut_extrapolate_default = LUT_EXTRAPOLATE_RESET
config_file_list_default = mari.FileList(CONFIG_FILE_LIST_RESET)
color_space_default = COLOR_SPACE_RESET
display_default = DISPLAY_RESET
view_default = VIEW_RESET
swizzle_default = SWIZZLE_RESET
gain_default = GAIN_RESET
gamma_default = GAMMA_RESET
lut_size = LUT_SIZE_RESET
fstop_center = FSTOP_CENTER_RESET
config_default = None
lut_size_functions = []
fstop_center_functions = []
##############################################################################################
def registerLUTSizeChanged(function):
global lut_size_functions
lut_size_functions.append(function)
#---------------------------------------------------------------------------------------------
def registerFStopCenterChanged(function):
global fstop_center_functions
fstop_center_functions.append(function)
#---------------------------------------------------------------------------------------------
def _enabledDefaultChanged():
global enabled_default
enabled_default = mari.prefs.get('/Color/Color Management Defaults/colorEnabledDefault')
_savePreferences()
#---------------------------------------------------------------------------------------------
def _profileDefaultChanged():
global profile_default
profile_default = mari.prefs.get('/Color/Color Management Defaults/colorProfileDefault')
_savePreferences()
#---------------------------------------------------------------------------------------------
def _postFilterCollectionAdded(filter_collection):
mari.prefs.setItemList('/Color/Color Management Defaults/colorProfileDefault', mari.gl_render.postFilterCollectionNames())
#---------------------------------------------------------------------------------------------
def _postFilterCollectionRemoved(name):
collection_names = mari.gl_render.postFilterCollectionNames()
mari.prefs.setItemList('/Color/Color Management Defaults/colorProfileDefault', collection_names)
global PROFILE_RESET
if name == PROFILE_RESET:
PROFILE_RESET = collection_names[0]
mari.prefs.setDefault('/Color/Color Management Defaults/colorProfileDefault', PROFILE_RESET)
global profile_default
if name == profile_default:
profile_default = PROFILE_RESET
mari.prefs.set('/Color/Color Management Defaults/colorProfileDefault', profile_default)
_savePreferences()
#---------------------------------------------------------------------------------------------
def _lutPathDefaultChanged():
global lut_file_list_default
lut_file_list_default = mari.FileList(mari.prefs.get('/Color/LUT Defaults/lutPathDefault'))
_savePreferences()
#---------------------------------------------------------------------------------------------
def _lutExtrapolateDefaultChanged():
global lut_extrapolate_default
lut_extrapolate_default = mari.prefs.get('/Color/LUT Defaults/lutExtrapolateDefault')
_savePreferences()
#---------------------------------------------------------------------------------------------
def _configPathDefaultChanged():
global config_file_list_default
# Only replace the existing configuration file if the new one is valid!
config_file_list = mari.FileList(mari.prefs.get('/Color/Display Defaults/displayConfigPathDefault'))
if not config_file_list.isEmpty():
config = loadConfig(config_file_list.at(0), True)
if config is not None:
config_file_list_default = config_file_list
global config_default
config_default = config
_updateColorSpaceDefault()
_updateDisplayDefault()
_updateViewDefault()
_savePreferences()
else:
# Put back the existing configuration file that works...
mari.prefs.set('/Color/Display Defaults/displayConfigPathDefault', config_file_list_default)
else:
# Put back the existing configuration file that works...
mari.prefs.set('/Color/Display Defaults/displayConfigPathDefault', config_file_list_default)
#---------------------------------------------------------------------------------------------
def _colorSpaceDefaultChanged():
global color_space_default
color_space_default = mari.prefs.get('/Color/Display Defaults/displayColorSpaceDefault')
_updateDisplayDefault()
_updateViewDefault()
_savePreferences()
#---------------------------------------------------------------------------------------------
def _displayDefaultChanged():
global display_default
display_default = mari.prefs.get('/Color/Display Defaults/displayDisplayDefault')
_updateViewDefault()
_savePreferences()
#---------------------------------------------------------------------------------------------
def _viewDefaultChanged():
global view_default
view_default = mari.prefs.get('/Color/Display Defaults/displayViewDefault')
_savePreferences()
#---------------------------------------------------------------------------------------------
def _swizzleDefaultChanged():
global swizzle_default
swizzle_default = mari.prefs.get('/Color/Display Defaults/displaySwizzleDefault')
_savePreferences()
#---------------------------------------------------------------------------------------------
def _gainDefaultChanged():
global gain_default
gain_default = mari.prefs.get('/Color/Display Defaults/displayGainDefault')
_savePreferences()
#---------------------------------------------------------------------------------------------
def _gammaDefaultChanged():
global gamma_default
gamma_default = mari.prefs.get('/Color/Display Defaults/displayGammaDefault')
_savePreferences()
#---------------------------------------------------------------------------------------------
def _lutSizeChanged():
global lut_size
global lut_size_functions
lut_size = mari.prefs.get('/Color/Display General/displayLutSize')
_savePreferences()
for function in lut_size_functions:
function()
#---------------------------------------------------------------------------------------------
def _fstopCenterChanged():
global fstop_center
global fstop_center_functions
fstop_center = mari.prefs.get('/Color/Display General/displayFStopCenter')
_savePreferences()
for function in fstop_center_functions:
function()
#---------------------------------------------------------------------------------------------
def _registerPreferences():
global enabled_default
mari.prefs.set('/Color/Color Management Defaults/colorEnabledDefault', enabled_default)
mari.prefs.setChangedScript('/Color/Color Management Defaults/colorEnabledDefault', 'mari.utils.ocio._enabledDefaultChanged()')
mari.prefs.setDisplayName('/Color/Color Management Defaults/colorEnabledDefault', 'Enabled')
mari.prefs.setDefault('/Color/Color Management Defaults/colorEnabledDefault', ENABLED_RESET)
global profile_default
mari.prefs.set('/Color/Color Management Defaults/colorProfileDefault', profile_default)
mari.prefs.setChangedScript('/Color/Color Management Defaults/colorProfileDefault', 'mari.utils.ocio._profileDefaultChanged()')
mari.prefs.setDisplayName('/Color/Color Management Defaults/colorProfileDefault', 'Color Profile')
mari.prefs.setDefault('/Color/Color Management Defaults/colorProfileDefault', PROFILE_RESET)
mari.prefs.setItemList('/Color/Color Management Defaults/colorProfileDefault', mari.gl_render.postFilterCollectionNames())
global lut_file_list_default
if not lut_file_list_default.isEmpty() and not os.path.isfile(lut_file_list_default.at(0)):
message = 'LUT file \'%s\' does not exist' % lut_file_list_default.at(0)
printMessage(MessageType.ERROR, '%s' % message)
lut_file_list_default = mari.FileList(LUT_FILE_LIST_RESET)
mari.prefs.set('/Color/LUT Defaults/lutPathDefault', lut_file_list_default)
mari.prefs.setChangedScript('/Color/LUT Defaults/lutPathDefault', 'mari.utils.ocio._lutPathDefaultChanged()')
mari.prefs.setDisplayName('/Color/LUT Defaults/lutPathDefault', 'File')
mari.prefs.setDefault('/Color/LUT Defaults/lutPathDefault', LUT_FILE_LIST_RESET)
global lut_extrapolate_default
mari.prefs.set('/Color/LUT Defaults/lutExtrapolateDefault', lut_extrapolate_default)
mari.prefs.setChangedScript('/Color/LUT Defaults/lutExtrapolateDefault', 'mari.utils.ocio._lutExtrapolateDefaultChanged()')
mari.prefs.setDisplayName('/Color/LUT Defaults/lutExtrapolateDefault', 'Extrapolate')
mari.prefs.setDefault('/Color/LUT Defaults/lutExtrapolateDefault', LUT_EXTRAPOLATE_RESET)
global config_file_list_default
global config_default
if not config_file_list_default.isEmpty():
config = loadConfig(config_file_list_default.at(0), False)
if config is not None:
config_default = config
else:
config_file_list_default = mari.FileList(CONFIG_FILE_LIST_RESET)
else:
config_file_list_default = mari.FileList(CONFIG_FILE_LIST_RESET)
mari.prefs.set('/Color/Display Defaults/displayConfigPathDefault', config_file_list_default)
mari.prefs.setChangedScript('/Color/Display Defaults/displayConfigPathDefault', 'mari.utils.ocio._configPathDefaultChanged()')
mari.prefs.setDisplayName('/Color/Display Defaults/displayConfigPathDefault', 'Configuration File')
mari.prefs.setDefault('/Color/Display Defaults/displayConfigPathDefault', CONFIG_FILE_LIST_RESET)
color_spaces = [color_space.getName() for color_space in config_default.getColorSpaces()]
color_space_reset = COLOR_SPACE_RESET
if color_spaces.count(color_space_reset) == 0:
color_space_reset = color_spaces[0]
global color_space_default
if color_spaces.count(color_space_default) == 0:
color_space_default = color_space_reset
mari.prefs.set('/Color/Display Defaults/displayColorSpaceDefault', color_space_default)
mari.prefs.setChangedScript('/Color/Display Defaults/displayColorSpaceDefault', 'mari.utils.ocio._colorSpaceDefaultChanged()')
mari.prefs.setDisplayName('/Color/Display Defaults/displayColorSpaceDefault', 'Input Color Space')
mari.prefs.setDefault('/Color/Display Defaults/displayColorSpaceDefault', color_space_reset)
mari.prefs.setItemList('/Color/Display Defaults/displayColorSpaceDefault', color_spaces)
displays = config_default.getDisplays()
display_reset = DISPLAY_RESET
if displays.count(display_reset) == 0:
display_reset = config_default.getDefaultDisplay()
global display_default
if displays.count(display_default) == 0:
display_default = display_reset
mari.prefs.set('/Color/Display Defaults/displayDisplayDefault', display_default)
mari.prefs.setChangedScript('/Color/Display Defaults/displayDisplayDefault', 'mari.utils.ocio._displayDefaultChanged()')
mari.prefs.setDisplayName('/Color/Display Defaults/displayDisplayDefault', 'Display')
mari.prefs.setDefault('/Color/Display Defaults/displayDisplayDefault', display_reset)
mari.prefs.setItemList('/Color/Display Defaults/displayDisplayDefault', displays)
views = config_default.getViews(display_default)
view_reset = VIEW_RESET
if views.count(view_reset) == 0:
view_reset = config_default.getDefaultView(display_default)
global view_default
if views.count(view_default) == 0:
view_default = view_reset
mari.prefs.set('/Color/Display Defaults/displayViewDefault', view_default)
mari.prefs.setChangedScript('/Color/Display Defaults/displayViewDefault', 'mari.utils.ocio._viewDefaultChanged()')
mari.prefs.setDisplayName('/Color/Display Defaults/displayViewDefault', 'View')
mari.prefs.setDefault('/Color/Display Defaults/displayViewDefault', view_reset)
mari.prefs.setItemList('/Color/Display Defaults/displayViewDefault', views)
global swizzle_default
if SWIZZLE_TYPES.count(swizzle_default) == 0:
swizzle_default = SWIZZLE_RESET
mari.prefs.set('/Color/Display Defaults/displaySwizzleDefault', swizzle_default)
mari.prefs.setChangedScript('/Color/Display Defaults/displaySwizzleDefault', 'mari.utils.ocio._swizzleDefaultChanged()')
mari.prefs.setDisplayName('/Color/Display Defaults/displaySwizzleDefault', 'Component')
mari.prefs.setDefault('/Color/Display Defaults/displaySwizzleDefault', SWIZZLE_RESET)
mari.prefs.setItemList('/Color/Display Defaults/displaySwizzleDefault', SWIZZLE_TYPES)
global gain_default
mari.prefs.set('/Color/Display Defaults/displayGainDefault', gain_default)
mari.prefs.setChangedScript('/Color/Display Defaults/displayGainDefault', 'mari.utils.ocio._gainDefaultChanged()')
mari.prefs.setDisplayName('/Color/Display Defaults/displayGainDefault', 'Gain')
mari.prefs.setDefault('/Color/Display Defaults/displayGainDefault', GAIN_RESET)
mari.prefs.setRange('/Color/Display Defaults/displayGainDefault', GAIN_MIN, GAIN_MAX)
mari.prefs.setStep('/Color/Display Defaults/displayGainDefault', GAIN_STEP_SIZE)
global gamma_default
mari.prefs.set('/Color/Display Defaults/displayGammaDefault', gamma_default)
mari.prefs.setChangedScript('/Color/Display Defaults/displayGammaDefault', 'mari.utils.ocio._gammaDefaultChanged()')
mari.prefs.setDisplayName('/Color/Display Defaults/displayGammaDefault', 'Gamma')
mari.prefs.setDefault('/Color/Display Defaults/displayGammaDefault', GAMMA_RESET)
mari.prefs.setRange('/Color/Display Defaults/displayGammaDefault', GAMMA_MIN, GAMMA_MAX)
mari.prefs.setStep('/Color/Display Defaults/displayGammaDefault', GAMMA_STEP_SIZE)
global lut_size
mari.prefs.set('/Color/Display General/displayLutSize', lut_size)
mari.prefs.setChangedScript('/Color/Display General/displayLutSize', 'mari.utils.ocio._lutSizeChanged()')
mari.prefs.setDisplayName('/Color/Display General/displayLutSize', 'LUT Size')
mari.prefs.setDefault('/Color/Display General/displayLutSize', LUT_SIZE_RESET)
mari.prefs.setItemList('/Color/Display General/displayLutSize', LUT_SIZE_TYPES)
global fstop_center
mari.prefs.set('/Color/Display General/displayFStopCenter', fstop_center)
mari.prefs.setChangedScript('/Color/Display General/displayFStopCenter', 'mari.utils.ocio._fstopCenterChanged()')
mari.prefs.setDisplayName('/Color/Display General/displayFStopCenter', 'Center F-Stop')
mari.prefs.setDefault('/Color/Display General/displayFStopCenter', FSTOP_CENTER_RESET)
mari.prefs.setRange('/Color/Display General/displayFStopCenter', FSTOP_CENTER_MIN, FSTOP_CENTER_MAX)
mari.prefs.setStep('/Color/Display General/displayFStopCenter', FSTOP_CENTER_STEP_SIZE)
# Attach ourselves to the appropriate project signals so we can update widgets.
PythonQt.QtCore.QObject.connect(mari.gl_render.postFilterCollectionAdded.__self__,
mari.gl_render.postFilterCollectionAdded.__name__,
_postFilterCollectionAdded)
PythonQt.QtCore.QObject.connect(mari.gl_render.postFilterCollectionRemoved.__self__,
mari.gl_render.postFilterCollectionRemoved.__name__,
_postFilterCollectionRemoved)
#---------------------------------------------------------------------------------------------
def _updateColorSpaceDefault():
global config_default
global color_space_default
color_spaces = [color_space.getName() for color_space in config_default.getColorSpaces()]
color_space_reset = COLOR_SPACE_RESET
if color_spaces.count(color_space_reset) == 0:
color_space_reset = color_spaces[0]
if color_spaces.count(color_space_default) == 0:
color_space_default = color_space_reset
mari.prefs.setItemList('/Color/Display Defaults/displayColorSpaceDefault', color_spaces)
mari.prefs.set('/Color/Display Defaults/displayColorSpaceDefault', color_space_default)
mari.prefs.setDefault('/Color/Display Defaults/displayColorSpaceDefault', color_space_reset)
#---------------------------------------------------------------------------------------------
def _updateDisplayDefault():
global config_default
global display_default
displays = config_default.getDisplays()
display_reset = DISPLAY_RESET
if displays.count(display_reset) == 0:
display_reset = config_default.getDefaultDisplay()
if displays.count(display_default) == 0:
display_default = display_reset
mari.prefs.setItemList('/Color/Display Defaults/displayDisplayDefault', displays)
mari.prefs.set('/Color/Display Defaults/displayDisplayDefault', display_default)
mari.prefs.setDefault('/Color/Display Defaults/displayDisplayDefault', display_reset)
#---------------------------------------------------------------------------------------------
def _updateViewDefault():
global config_default
global display_default
global view_default
views = config_default.getViews(display_default)
view_reset = VIEW_RESET
if views.count(view_reset) == 0:
view_reset = config_default.getDefaultView(display_default)
if views.count(view_default) == 0:
view_default = view_reset
mari.prefs.setItemList('/Color/Display Defaults/displayViewDefault', views)
mari.prefs.set('/Color/Display Defaults/displayViewDefault', view_default)
mari.prefs.setDefault('/Color/Display Defaults/displayViewDefault', view_reset)
#---------------------------------------------------------------------------------------------
def _loadPreferences():
settings = mari.Settings()
settings.beginGroup('OpenColorIO')
try:
global enabled_default
global profile_default
global lut_file_list_default
global lut_extrapolate_default
global config_file_list_default
global color_space_default
global display_default
global view_default
global swizzle_default
global gain_default
global gamma_default
global lut_size
global fstop_center
enabled_default = False if int(settings.value('enabledDefault', ENABLED_RESET)) == 0 else True
profile_default = str(settings.value('profileDefault', PROFILE_RESET))
lut_path = buildLoadPath(str(settings.value('lutPathDefault', '' if LUT_FILE_LIST_RESET.isEmpty() else LUT_FILE_LIST_RESET.at(0))))
lut_extrapolate_default = False if int(settings.value('lutExtrapolateDefault', LUT_EXTRAPOLATE_RESET)) == 0 else True
config_path = buildLoadPath(str(settings.value('configPathDefault', '' if CONFIG_FILE_LIST_RESET.isEmpty() else CONFIG_FILE_LIST_RESET.at(0))))
color_space_default = str(settings.value('colorSpaceDefault', COLOR_SPACE_RESET))
display_default = str(settings.value('displayDefault', DISPLAY_RESET))
view_default = str(settings.value('viewDefault', VIEW_RESET))
swizzle_default = str(settings.value('swizzleDefault', SWIZZLE_RESET))
gain_default = max(min(float(settings.value('gainDefault', GAIN_RESET)), GAIN_MAX), GAIN_MIN)
gamma_default = max(min(float(settings.value('gammaDefault', GAMMA_RESET)), GAMMA_MAX), GAMMA_MIN)
lut_size = str(settings.value('lutSize', LUT_SIZE_RESET))
fstop_center = max(min(float(settings.value('fstopCenter', FSTOP_CENTER_RESET)), FSTOP_CENTER_MAX), FSTOP_CENTER_MIN)
if os.path.isfile(lut_path):
lut_file_list_default.clear()
lut_file_list_default.append(lut_path)
lut_file_list_default.setPickedFile(lut_path)
if os.path.isfile(config_path):
config_file_list_default.clear()
config_file_list_default.append(config_path)
config_file_list_default.setPickedFile(config_path)
except ValueError, e:
printMessage(MessageType.ERROR, 'Failed to load preferences \'%s\'' % e)
settings.endGroup()
_printPreferences(MessageType.DEBUG, 'Loaded Preferences:')
#---------------------------------------------------------------------------------------------
def _savePreferences():
settings = mari.Settings()
settings.beginGroup('OpenColorIO')
global enabled_default
global profile_default
global lut_file_list_default
global lut_extrapolate_default
global config_file_list_default
global color_space_default
global display_default
global view_default
global swizzle_default
global gain_default
global gamma_default
global lut_size
global fstop_center
settings.setValue( 'enabledDefault', 1 if enabled_default else 0)
settings.setValue( 'profileDefault', profile_default)
settings.setValue( 'lutPathDefault', '' if lut_file_list_default.isEmpty() else buildSavePath(lut_file_list_default.at(0)))
settings.setValue('lutExtrapolateDefault', 1 if lut_extrapolate_default else 0)
settings.setValue( 'configPathDefault', '' if config_file_list_default.isEmpty() else buildSavePath(config_file_list_default.at(0)))
settings.setValue( 'colorSpaceDefault', color_space_default)
settings.setValue( 'displayDefault', display_default)
settings.setValue( 'viewDefault', view_default)
settings.setValue( 'swizzleDefault', swizzle_default)
settings.setValue( 'gainDefault', gain_default)
settings.setValue( 'gammaDefault', gamma_default)
settings.setValue( 'lutSize', lut_size)
settings.setValue( 'fstopCenter', fstop_center)
settings.endGroup()
_printPreferences(MessageType.DEBUG, 'Saved Preferences:')
#---------------------------------------------------------------------------------------------
def _printPreferences(type, title):
global enabled_default
global profile_default
global lut_file_list_default
global lut_extrapolate_default
global config_file_list_default
global color_space_default
global display_default
global view_default
global swizzle_default
global gain_default
global fstop_center
global lut_size
global gamma_default
printMessage(type, '==============================================================')
printMessage(type, title)
printMessage(type, '==============================================================')
printMessage(type, ' Enabled: %s' % enabled_default)
printMessage(type, ' Profile: %s' % profile_default)
printMessage(type, ' LUT Path: %s' % '' if lut_file_list_default.isEmpty() else lut_file_list_default.at(0))
printMessage(type, ' Extrapolate: %s' % lut_extrapolate_default)
printMessage(type, ' Config Path: %s' % '' if config_file_list_default.isEmpty() else config_file_list_default.at(0))
printMessage(type, ' Color Space: %s' % color_space_default)
printMessage(type, ' Display: %s' % display_default)
printMessage(type, ' View: %s' % view_default)
printMessage(type, ' Swizzle: %s' % swizzle_default)
printMessage(type, ' F-Stop: %f; Center: %f' % (convertGainToFStop(gain_default), fstop_center))
printMessage(type, ' Gain: %f' % gain_default)
printMessage(type, ' Gamma: %f' % gamma_default)
printMessage(type, ' LUT Size: %s' % lut_size)
printMessage(type, '==============================================================')
##############################################################################################
def convertExposureToGain(exposure):
return 2.0 ** exposure
#---------------------------------------------------------------------------------------------
def convertGainToExposure(gain):
return math.log(gain, 2.0)
#---------------------------------------------------------------------------------------------
def convertExposureToFStop(exposure):
global fstop_center
exposure_center = math.log(fstop_center, SQRT_TWO)
return math.pow(SQRT_TWO, exposure_center - exposure)
#---------------------------------------------------------------------------------------------
def convertGainToFStop(gain):
exposure = convertGainToExposure(gain)
return convertExposureToFStop(exposure)
#---------------------------------------------------------------------------------------------
def buildProcessorFilter(processor, filter, filter_cache_id, texture_cache_id, extrapolate = False, force_shader_build = False):
# Create a name, using the filter's name, that can be used in uniquely naming parameters and functions.
name = filter.name();
name = name.lower()
name = name.replace(' ', '_')
sampler_name = 'ocio_' + name + '_lut_$ID_'
function_name = 'ocio_' + name + '_$ID_'
global lut_size
shader_desc = { 'language': PyOpenColorIO.Constants.GPU_LANGUAGE_GLSL_1_3,
'functionName': function_name,
'lut3DEdgeLen': LUT_SIZE_VALUES[lut_size]}
cache_id = processor.getGpuShaderTextCacheID(shader_desc)
if cache_id != filter_cache_id or force_shader_build:
filter_cache_id = cache_id
printMessage(MessageType.DEBUG, 'Creating new GLSL filter...')
desc = 'uniform sampler3D ' + sampler_name + ';\n'
desc += processor.getGpuShaderText(shader_desc)
body = ''
if extrapolate:
# The following code was taken from Nuke's 'LUT3D::Extrapolate' functionality. It attempts to estimate what
# the corresponding color value would be when the incoming color value is outside the normal range of [0-1],
# such as the case with HDR images.
rcp_lut_edge_length = 1.0 / float(LUT_SIZE_VALUES[lut_size])
body += '{\n'
body += ' if( 1.0 < Out.r || 1.0 < Out.g || 1.0 < Out.b )\n'
body += ' {\n'
body += ' vec4 closest;\n'
body += ' closest.rgb = clamp(Out.rgb, vec3(0.0), vec3(1.0));\n'
body += ' closest.a = Out.a;\n'
body += '\n'
body += ' vec3 offset = Out.rgb - closest.rgb;\n'
body += ' float offset_distance = length(offset);\n'
body += ' offset = normalize(offset);\n'
body += '\n'
body += ' vec4 nbr_position;\n'
body += ' nbr_position.rgb = closest.rgb - %f * offset;\n' % rcp_lut_edge_length
body += ' nbr_position.a = Out.a;\n'
body += '\n'
body += ' Out = ' + function_name + '(closest, ' + sampler_name + ');\n'
body += ' Out.rgb += (Out.rgb - ' + function_name + '(nbr_position, ' + sampler_name + ').rgb) / %f * offset_distance;\n' % rcp_lut_edge_length
body += ' }\n'
body += ' else\n'
body += ' {\n'
body += ' Out = ' + function_name + '(Out, ' + sampler_name + ');\n'
body += ' }\n'
body += '}\n'
else:
body += '{ Out = ' + function_name + '(Out, ' + sampler_name + '); }\n'
filter.setDefinitionsSnippet(desc)
filter.setBodySnippet(body)
else:
printMessage(MessageType.DEBUG, 'No GLSL filter update required')
cache_id = processor.getGpuLut3DCacheID(shader_desc)
if cache_id != texture_cache_id:
lut = processor.getGpuLut3D(shader_desc)
printMessage(MessageType.DEBUG, 'Updating LUT...')
if texture_cache_id is None:
filter.setTexture3D(sampler_name,
LUT_SIZE_VALUES[lut_size],
LUT_SIZE_VALUES[lut_size],
LUT_SIZE_VALUES[lut_size],
filter.FORMAT_RGB,
lut)
else:
filter.updateTexture3D(sampler_name, lut)
texture_cache_id = cache_id
else:
printMessage(MessageType.DEBUG, 'No LUT update required')
return (filter_cache_id, texture_cache_id, sampler_name)
#---------------------------------------------------------------------------------------------
def buildLUTFilter(config, path, filter, filter_cache_id, texture_cache_id, extrapolate, force_shader_build = False):
file_transform = PyOpenColorIO.FileTransform()
file_transform.setSrc(path)
file_transform.setInterpolation('linear')
processor = config.getProcessor(file_transform)
return buildProcessorFilter(processor, filter, filter_cache_id, texture_cache_id, extrapolate, force_shader_build)
#---------------------------------------------------------------------------------------------
def loadConfig(path, display_message_box = True):
try:
config = PyOpenColorIO.Config.CreateFromFile(path)
return config
except Exception, e:
message = 'Failed to load configuration file \'%s\' due to \'%s\'' % (path, e)
printMessage(MessageType.ERROR, '%s' % message)
if display_message_box and not mari.app.inTerminalMode():
mari.utils.misc.message(message, 'Color Space', 1024, 2)
return None
#---------------------------------------------------------------------------------------------
# This converts a path into a form which can be shared among different platforms and installations.
def buildSavePath(path):
result = path.replace(mari.resources.path(mari.resources.COLOR), '$MARI_COLOR_PATH', 1)
return result
#---------------------------------------------------------------------------------------------
# This converts a path saved out to disk back into a form which can used by the application.
def buildLoadPath(path):
result = path.replace('$MARI_COLOR_PATH', mari.resources.path(mari.resources.COLOR), 1)
return result
##############################################################################################
if mari.app.isRunning():
if PyOpenColorIO is not None:
# Attempt to load the default configuration file... without it we can't do nothing!
config_file_lists = [config_file_list_default, CONFIG_FILE_LIST_RESET]
for config_file_list in config_file_lists:
if not config_file_list.isEmpty():
config_default = loadConfig(config_file_list.at(0), False)
if config_default is not None:
config_file_list_default = mari.FileList(config_file_list)
break
if config_default is not None:
_loadPreferences()
_registerPreferences()
_savePreferences()
else:
message = 'Failed to find a working configuration file. OpenColorIO will be disabled!'
printMessage(MessageType.ERROR, message)
if not mari.app.inTerminalMode():
mari.utils.misc.message(message, 'OpenColorIO', 1024, 3)
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