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# DCI-P3, with original Theater-Whitepoint [0.89459, 1.0, 0.95442] |
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package Graphics::Toolkit::Color::Space::Instance::DCIP3Linear; |
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274586
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use v5.12; |
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use warnings; |
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use Graphics::Toolkit::Color::Space qw/mult_matrix_vector_3/; |
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4219
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my @D65 = (0.95047, 1, 1.08883); |
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sub from_dci { |
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my ($lrgb) = shift; |
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my @xyz = mult_matrix_vector_3([[ 0.4592758400, 0.2958171474, 0.1953770175 ], |
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[ 0.2151608649, 0.7091342514, 0.0757048839 ], |
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[ 0.0002710702, 0.0469362492, 1.0416226857 ], ], @$lrgb); |
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$xyz[$_] /= $D65[ $_ ] for 0 .. 2; |
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return \@xyz; |
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} |
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sub to_dci { |
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my ($xyz) = shift; |
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$xyz->[$_] *= $D65[ $_ ] for 0 .. 2; |
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return [ mult_matrix_vector_3( [[ 2.6901363967, -1.0940624767, -0.4250723022 ], |
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[ -0.8200938994, 1.7505139921, 0.0265979630 ], |
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[ 0.0362539300, -0.0785946720, 0.9589526318 ], ], @$xyz) ]; |
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} |
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Graphics::Toolkit::Color::Space->new( |
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name => 'dci-p3-linear', |
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alias_name => 'Linear DCI-P3', |
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family => 'RGB', |
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axis => [qw/red green blue/], |
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precision => 6, |
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convert => {XYZ => [\&from_dci, \&to_dci]}, |
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); |