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turbo.h
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turbo.h
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/*
* Copyright 2019 Google LLC.
* SPDX-License-Identifier: Apache-2.0
* Author: Anton Mikhailov
* https://ai.googleblog.com/2019/08/turbo-improved-rainbow-colormap-for.html
* https://gist.github.com/mikhailov-work/6a308c20e494d9e0ccc29036b28faa7a
*/
enum color { RED, GREEN, BLUE };
static const uint8_t turbo_srgb_bytes[256][3] = {{48,18,59},{50,21,67},{51,24,74},{52,27,81},{53,30,88},{54,33,95},{55,36,102},{56,39,109},{57,42,115},{58,45,121},{59,47,128},{60,50,134},{61,53,139},{62,56,145},{63,59,151},{63,62,156},{64,64,162},{65,67,167},{65,70,172},{66,73,177},{66,75,181},{67,78,186},{68,81,191},{68,84,195},{68,86,199},{69,89,203},{69,92,207},{69,94,211},{70,97,214},{70,100,218},{70,102,221},{70,105,224},{70,107,227},{71,110,230},{71,113,233},{71,115,235},{71,118,238},{71,120,240},{71,123,242},{70,125,244},{70,128,246},{70,130,248},{70,133,250},{70,135,251},{69,138,252},{69,140,253},{68,143,254},{67,145,254},{66,148,255},{65,150,255},{64,153,255},{62,155,254},{61,158,254},{59,160,253},{58,163,252},{56,165,251},{55,168,250},{53,171,248},{51,173,247},{49,175,245},{47,178,244},{46,180,242},{44,183,240},{42,185,238},{40,188,235},{39,190,233},{37,192,231},{35,195,228},{34,197,226},{32,199,223},{31,201,221},{30,203,218},{28,205,216},{27,208,213},{26,210,210},{26,212,208},{25,213,205},{24,215,202},{24,217,200},{24,219,197},{24,221,194},{24,222,192},{24,224,189},{25,226,187},{25,227,185},{26,228,182},{28,230,180},{29,231,178},{31,233,175},{32,234,172},{34,235,170},{37,236,167},{39,238,164},{42,239,161},{44,240,158},{47,241,155},{50,242,152},{53,243,148},{56,244,145},{60,245,142},{63,246,138},{67,247,135},{70,248,132},{74,248,128},{78,249,125},{82,250,122},{85,250,118},{89,251,115},{93,252,111},{97,252,108},{101,253,105},{105,253,102},{109,254,98},{113,254,95},{117,254,92},{121,254,89},{125,255,86},{128,255,83},{132,255,81},{136,255,78},{139,255,75},{143,255,73},{146,255,71},{150,254,68},{153,254,66},{156,254,64},{159,253,63},{161,253,61},{164,252,60},{167,252,58},{169,251,57},{172,251,56},{175,250,55},{177,249,54},{180,248,54},{183,247,53},{185,246,53},{188,245,52},{190,244,52},{193,243,52},{195,241,52},{198,240,52},{200,239,52},{203,237,52},{205,236,52},{208,234,52},{210,233,53},{212,231,53},{215,229,53},{217,228,54},{219,226,54},{221,224,55},{223,223,55},{225,221,55},{227,219,56},{229,217,56},{231,215,57},{233,213,57},{235,211,57},{236,209,58},{238,207,58},{239,205,58},{241,203,58},{242,201,58},{244,199,58},{245,197,58},{246,195,58},{247,193,58},{248,190,57},{249,188,57},{250,186,57},{251,184,56},{251,182,55},{252,179,54},{252,177,54},{253,174,53},{253,172,52},{254,169,51},{254,167,50},{254,164,49},{254,161,48},{254,158,47},{254,155,45},{254,153,44},{254,150,43},{254,147,42},{254,144,41},{253,141,39},{253,138,38},{252,135,37},{252,132,35},{251,129,34},{251,126,33},{250,123,31},{249,120,30},{249,117,29},{248,114,28},{247,111,26},{246,108,25},{245,105,24},{244,102,23},{243,99,21},{242,96,20},{241,93,19},{240,91,18},{239,88,17},{237,85,16},{236,83,15},{235,80,14},{234,78,13},{232,75,12},{231,73,12},{229,71,11},{228,69,10},{226,67,10},{225,65,9},{223,63,8},{221,61,8},{220,59,7},{218,57,7},{216,55,6},{214,53,6},{212,51,5},{210,49,5},{208,47,5},{206,45,4},{204,43,4},{202,42,4},{200,40,3},{197,38,3},{195,37,3},{193,35,2},{190,33,2},{188,32,2},{185,30,2},{183,29,2},{180,27,1},{178,26,1},{175,24,1},{172,23,1},{169,22,1},{167,20,1},{164,19,1},{161,18,1},{158,16,1},{155,15,1},{152,14,1},{149,13,1},{146,11,1},{142,10,1},{139,9,2},{136,8,2},{133,7,2},{129,6,2},{126,5,2},{122,4,3}};