Coverage for colour/models/rgb/datasets/adobe_rgb_1998.py: 100%

1""" 

2Adobe RGB (1998) Colourspace 

3============================ 

4 

5Define the *Adobe RGB (1998)* *RGB* colourspace: 

6 

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

8 

9References 

10---------- 

11- :cite:`AdobeSystems2005a` : Adobe Systems. (2005). Adobe RGB (1998) Color 

12 Image Encoding. http://www.adobe.com/digitalimag/pdfs/AdobeRGB1998.pdf 

13""" 

14 

15from __future__ import annotations 

16 

17import typing 

18from functools import partial 

19 

20import numpy as np 

21 

22from colour.colorimetry import CCS_ILLUMINANTS 

23 

24if typing.TYPE_CHECKING: 

25 from colour.hints import NDArrayFloat 

26 

27from colour.models.rgb import RGB_Colourspace, gamma_function 

28 

29__author__ = "Colour Developers" 

30__copyright__ = "Copyright 2013 Colour Developers" 

31__license__ = "BSD-3-Clause - https://opensource.org/licenses/BSD-3-Clause" 

32__maintainer__ = "Colour Developers" 

33__email__ = "colour-developers@colour-science.org" 

34__status__ = "Production" 

35 

36__all__ = [ 

37 "PRIMARIES_ADOBE_RGB1998", 

38 "WHITEPOINT_NAME_ADOBE_RGB1998", 

39 "CCS_WHITEPOINT_ADOBE_RGB1998", 

40 "MATRIX_ADOBE_RGB1998_TO_XYZ", 

41 "MATRIX_XYZ_TO_ADOBE_RGB1998", 

42 "RGB_COLOURSPACE_ADOBE_RGB1998", 

43] 

44 

45PRIMARIES_ADOBE_RGB1998: NDArrayFloat = np.array( 

46 [ 

47 [0.6400, 0.3300], 

48 [0.2100, 0.7100], 

49 [0.1500, 0.0600], 

50 ] 

51) 

52"""*Adobe RGB (1998)* colourspace primaries.""" 

53 

54WHITEPOINT_NAME_ADOBE_RGB1998: str = "D65" 

55"""*Adobe RGB (1998)* colourspace whitepoint name.""" 

56 

57CCS_WHITEPOINT_ADOBE_RGB1998: NDArrayFloat = CCS_ILLUMINANTS[ 

58 "CIE 1931 2 Degree Standard Observer" 

59][WHITEPOINT_NAME_ADOBE_RGB1998] 

60"""*Adobe RGB (1998)* colourspace whitepoint chromaticity coordinates.""" 

61 

62MATRIX_ADOBE_RGB1998_TO_XYZ: NDArrayFloat = np.array( 

63 [ 

64 [0.57667, 0.18556, 0.18823], 

65 [0.29734, 0.62736, 0.07529], 

66 [0.02703, 0.07069, 0.99134], 

67 ] 

68) 

69"""*Adobe RGB (1998)* colourspace to *CIE XYZ* tristimulus values matrix.""" 

70 

71MATRIX_XYZ_TO_ADOBE_RGB1998: NDArrayFloat = np.array( 

72 [ 

73 [2.04159, -0.56501, -0.34473], 

74 [-0.96924, 1.87597, 0.04156], 

75 [0.01344, -0.11836, 1.01517], 

76 ] 

77) 

78"""*CIE XYZ* tristimulus values to *Adobe RGB (1998)* colourspace matrix.""" 

79 

80RGB_COLOURSPACE_ADOBE_RGB1998: RGB_Colourspace = RGB_Colourspace( 

81 "Adobe RGB (1998)", 

82 PRIMARIES_ADOBE_RGB1998, 

83 CCS_WHITEPOINT_ADOBE_RGB1998, 

84 WHITEPOINT_NAME_ADOBE_RGB1998, 

85 MATRIX_ADOBE_RGB1998_TO_XYZ, 

86 MATRIX_XYZ_TO_ADOBE_RGB1998, 

87 partial(gamma_function, exponent=1 / (563 / 256)), 

88 partial(gamma_function, exponent=563 / 256), 

89) 

90RGB_COLOURSPACE_ADOBE_RGB1998.__doc__ = """ 

91*Adobe RGB (1998)* colourspace. 

92 

93References 

94---------- 

95:cite:`AdobeSystems2005a` 

96"""