"""
Adobe RGB (1998) Colourspace
============================

Define the *Adobe RGB (1998)* *RGB* colourspace:

-   :attr:`colour.models.RGB_COLOURSPACE_ADOBE_RGB1998`.

References
----------
-   :cite:`AdobeSystems2005a` : Adobe Systems. (2005). Adobe RGB (1998) Color
    Image Encoding. http://www.adobe.com/digitalimag/pdfs/AdobeRGB1998.pdf
"""

from __future__ import annotations

import typing
from functools import partial

import numpy as np

from colour.colorimetry import CCS_ILLUMINANTS

if typing.TYPE_CHECKING:
    from colour.hints import NDArrayFloat

from colour.models.rgb import RGB_Colourspace, gamma_function

__author__ = "Colour Developers"
__copyright__ = "Copyright 2013 Colour Developers"
__license__ = "BSD-3-Clause - https://opensource.org/licenses/BSD-3-Clause"
__maintainer__ = "Colour Developers"
__email__ = "colour-developers@colour-science.org"
__status__ = "Production"

__all__ = [
    "PRIMARIES_ADOBE_RGB1998",
    "WHITEPOINT_NAME_ADOBE_RGB1998",
    "CCS_WHITEPOINT_ADOBE_RGB1998",
    "MATRIX_ADOBE_RGB1998_TO_XYZ",
    "MATRIX_XYZ_TO_ADOBE_RGB1998",
    "RGB_COLOURSPACE_ADOBE_RGB1998",
]

PRIMARIES_ADOBE_RGB1998: NDArrayFloat = np.array(
    [
        [0.6400, 0.3300],
        [0.2100, 0.7100],
        [0.1500, 0.0600],
    ]
)
"""*Adobe RGB (1998)* colourspace primaries."""

WHITEPOINT_NAME_ADOBE_RGB1998: str = "D65"
"""*Adobe RGB (1998)* colourspace whitepoint name."""

CCS_WHITEPOINT_ADOBE_RGB1998: NDArrayFloat = CCS_ILLUMINANTS[
    "CIE 1931 2 Degree Standard Observer"
][WHITEPOINT_NAME_ADOBE_RGB1998]
"""*Adobe RGB (1998)* colourspace whitepoint chromaticity coordinates."""

MATRIX_ADOBE_RGB1998_TO_XYZ: NDArrayFloat = np.array(
    [
        [0.57667, 0.18556, 0.18823],
        [0.29734, 0.62736, 0.07529],
        [0.02703, 0.07069, 0.99134],
    ]
)
"""*Adobe RGB (1998)* colourspace to *CIE XYZ* tristimulus values matrix."""

MATRIX_XYZ_TO_ADOBE_RGB1998: NDArrayFloat = np.array(
    [
        [2.04159, -0.56501, -0.34473],
        [-0.96924, 1.87597, 0.04156],
        [0.01344, -0.11836, 1.01517],
    ]
)
"""*CIE XYZ* tristimulus values to *Adobe RGB (1998)* colourspace matrix."""

RGB_COLOURSPACE_ADOBE_RGB1998: RGB_Colourspace = RGB_Colourspace(
    "Adobe RGB (1998)",
    PRIMARIES_ADOBE_RGB1998,
    CCS_WHITEPOINT_ADOBE_RGB1998,
    WHITEPOINT_NAME_ADOBE_RGB1998,
    MATRIX_ADOBE_RGB1998_TO_XYZ,
    MATRIX_XYZ_TO_ADOBE_RGB1998,
    partial(gamma_function, exponent=1 / (563 / 256)),
    partial(gamma_function, exponent=563 / 256),
)
RGB_COLOURSPACE_ADOBE_RGB1998.__doc__ = """
*Adobe RGB (1998)* colourspace.

References
----------
:cite:`AdobeSystems2005a`
"""
