+++ /dev/null
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-"""
-Implements support for general colorspaces conversions and transfer functions.
-"""
-
-from __future__ import division
-
-import PyOpenColorIO as ocio
-
-import aces_ocio.create_aces_colorspaces as aces
-from aces_ocio.utilities import ColorSpace, mat44_from_mat33
-
-
-__author__ = 'ACES Developers'
-__copyright__ = 'Copyright (C) 2014 - 2015 - ACES Developers'
-__license__ = ''
-__maintainer__ = 'ACES Developers'
-__email__ = 'aces@oscars.org'
-__status__ = 'Production'
-
-__all__ = ['create_generic_matrix',
- 'create_colorspaces']
-
-# -------------------------------------------------------------------------
-# *Simple Matrix Transform*
-# -------------------------------------------------------------------------
-def create_generic_matrix(name='matrix',
- from_reference_values=None,
- to_reference_values=None,
- aliases=[]):
- """
- Object description.
-
- Parameters
- ----------
- parameter : type
- Parameter description.
-
- Returns
- -------
- type
- Return value description.
- """
-
- if from_reference_values is None:
- from_reference_values = []
-
- if to_reference_values is None:
- to_reference_values = []
-
- cs = ColorSpace(name)
- cs.description = 'The %s color space' % name
- cs.aliases = aliases
- cs.equality_group = name
- cs.family = 'Utility'
- cs.is_data = False
-
- # A linear space needs allocation variables
- cs.allocation_type = ocio.Constants.ALLOCATION_LG2
- cs.allocation_vars = [-8, 5, 0.00390625]
-
- cs.to_reference_transforms = []
- if to_reference_values:
- for matrix in to_reference_values:
- cs.to_reference_transforms.append({
- 'type': 'matrix',
- 'matrix': mat44_from_mat33(matrix),
- 'direction': 'forward'})
-
- cs.from_reference_transforms = []
- if from_reference_values:
- for matrix in from_reference_values:
- cs.from_reference_transforms.append({
- 'type': 'matrix',
- 'matrix': mat44_from_mat33(matrix),
- 'direction': 'forward'})
-
- return cs
-
-
-def create_colorspaces(lut_directory,
- lut_resolution_1d,
- lut_resolution_3d):
- """
- Generates the colorspace conversions.
-
- Parameters
- ----------
- parameter : type
- Parameter description.
-
- Returns
- -------
- type
- Return value description.
- """
-
- colorspaces = []
-
- cs = create_generic_matrix('XYZ',
- to_reference_values=[aces.ACES_XYZ_TO_AP0],
- from_reference_values=[aces.ACES_AP0_TO_XYZ],
- aliases=["lin_xyz"])
- colorspaces.append(cs)
-
- cs = create_generic_matrix(
- 'Linear - AP1',
- to_reference_values=[aces.ACES_AP1_TO_AP0],
- from_reference_values=[aces.ACES_AP0_TO_AP1],
- aliases=["lin_ap1"])
- colorspaces.append(cs)
-
- # *ACES* to *Linear*, *P3D60* primaries.
- XYZ_to_P3D60 = [2.4027414142, -0.8974841639, -0.3880533700,
- -0.8325796487, 1.7692317536, 0.0237127115,
- 0.0388233815, -0.0824996856, 1.0363685997]
-
- cs = create_generic_matrix(
- 'Linear - P3-D60',
- from_reference_values=[aces.ACES_AP0_TO_XYZ, XYZ_to_P3D60],
- aliases=["lin_p3d60"])
- colorspaces.append(cs)
-
- # *ACES* to *Linear*, *P3DCI* primaries.
- XYZ_to_P3DCI = [2.7253940305, -1.0180030062, -0.4401631952,
- -0.7951680258, 1.6897320548, 0.0226471906,
- 0.0412418914, -0.0876390192, 1.1009293786]
-
- cs = create_generic_matrix(
- 'Linear - P3-DCI',
- from_reference_values=[aces.ACES_AP0_TO_XYZ, XYZ_to_P3DCI],
- aliases=["lin_p3dci"])
- colorspaces.append(cs)
-
- # *ACES* to *Linear*, *Rec. 709* primaries.
- XYZ_to_Rec709 = [3.2409699419, -1.5373831776, -0.4986107603,
- -0.9692436363, 1.8759675015, 0.0415550574,
- 0.0556300797, -0.2039769589, 1.0569715142]
-
- cs = create_generic_matrix(
- 'Linear - Rec.709',
- from_reference_values=[aces.ACES_AP0_TO_XYZ, XYZ_to_Rec709],
- aliases=["lin_rec709"])
- colorspaces.append(cs)
-
- # *ACES* to *Linear*, *Rec. 2020* primaries.
- XYZ_to_Rec2020 = [1.7166511880, -0.3556707838, -0.2533662814,
- -0.6666843518, 1.6164812366, 0.0157685458,
- 0.0176398574, -0.0427706133, 0.9421031212]
-
- cs = create_generic_matrix(
- 'Linear - Rec.2020',
- from_reference_values=[aces.ACES_AP0_TO_XYZ, XYZ_to_Rec2020],
- aliases=["lin_rec2020"])
- colorspaces.append(cs)
-
- # *ACES* to *Linear*, *Pro Photo* primaries.
- AP0_to_RIMM = [1.2412367771, -0.1685692287, -0.0726675484,
- 0.0061203066, 1.083151174, -0.0892714806,
- -0.0032853314, 0.0099796402, 0.9933056912]
-
- cs = create_generic_matrix(
- 'Linear - RIMM ROMM (ProPhoto)',
- from_reference_values=[AP0_to_RIMM],
- aliases=["lin_prophoto", "lin_rimm"])
- colorspaces.append(cs)
-
- # *ACES* to *Linear*, *Adobe RGB* primaries.
- AP0_to_ADOBERGB = [1.7245603168, -0.4199935942, -0.3045667227,
- -0.2764799142, 1.3727190877, -0.0962391734,
- -0.0261255258, -0.0901747807, 1.1163003065]
-
- cs = create_generic_matrix(
- 'Linear - Adobe RGB',
- from_reference_values=[AP0_to_ADOBERGB],
- aliases=["lin_adobergb"])
- colorspaces.append(cs)
-
-
- # *ACES* to *Linear*, *Adobe Wide Gamut RGB* primaries.
- AP0_to_ADOBERGB = [1.3809814778, -0.1158594573, -0.2651220205,
- 0.0057015535, 1.0402949043, -0.0459964578,
- -0.0038908746, -0.0597091815, 1.0636000561]
-
- cs = create_generic_matrix(
- 'Linear - Adobe Wide Gamut RGB',
- from_reference_values=[AP0_to_ADOBERGB],
- aliases=["lin_adobewidegamutrgb"])
- colorspaces.append(cs)
-
- return colorspaces
-
-
-def create_raw():
- # *Raw* utility space
- name = "Raw"
- raw = ColorSpace(name)
- raw.description = 'The %s color space' % name
- raw.aliases = []
- raw.equality_group = name
- raw.family = 'Utility'
- raw.is_data = True
-
- return raw
-
-
projects / OpenColorIO-Configs.git / blobdiff