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https://github.com/ArthurSonzogni/FTXUI.git
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3b4ab618a3
In the past, FTXUI switched from std::string to std::wstring to support fullwidth characters. The reasons was that fullwidth characters can be stored inside a single wchar_t. Then FTXUI added support for combining characters. A single glygh doesn't even fit a wchar_t. Instead, a glyph can be arbitrary large. The usage of wstring doesn't really fit the new model and have several drawbacks: 1. It doesn't simplify the implementation of FTXUI, because of combining characters. 2. It reduces drawing performance by 2x. 3. It increase Screen's memory allocation by 2x. This patch converts FTXUI to use std::string internally. It now exposes std::string based API. The std::wstring API remains, but is now deprecated. Tests and examples haven't been update to show the breakage is limited. They will be updated in a second set of patches. Bug: https://github.com/ArthurSonzogni/FTXUI/issues/153 Co-authored-by: Tushar Maheshwari <tushar27192@gmail.com>
332 lines
9.1 KiB
C++
332 lines
9.1 KiB
C++
#ifndef FTXUI_SCREEN_COLOR
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#define FTXUI_SCREEN_COLOR
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#include <stdint.h> // for uint8_t
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#include <string> // for wstring
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#ifdef RGB
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// Workaround for wingdi.h (via Windows.h) defining macros that break things.
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// https://docs.microsoft.com/en-us/windows/win32/api/wingdi/nf-wingdi-rgb
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#undef RGB
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#endif
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namespace ftxui {
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/// @brief A class representing terminal colors.
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/// @ingroup screen
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class Color {
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public:
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enum Palette1 : uint8_t;
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enum Palette16 : uint8_t;
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enum Palette256 : uint8_t;
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Color(); // Transparent.
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Color(Palette1 index); // Transparent.
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Color(Palette16 index); // Implicit conversion from index to Color.
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Color(Palette256 index); // Implicit conversion from index to Color.
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Color(uint8_t red, uint8_t green, uint8_t blue);
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static Color RGB(uint8_t red, uint8_t green, uint8_t blue);
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static Color HSV(uint8_t hue, uint8_t saturation, uint8_t value);
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//---------------------------
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// List of colors:
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//---------------------------
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// clang-format off
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enum Palette1 : uint8_t{
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Default, // Transparent
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};
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enum Palette16 : uint8_t {
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Black = 0,
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Red = 1,
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Green = 2,
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Yellow = 3,
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Blue = 4,
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Magenta = 5,
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Cyan = 6,
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GrayLight = 7,
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GrayDark = 8,
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RedLight = 9,
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GreenLight = 10,
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YellowLight = 11,
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BlueLight = 12,
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MagentaLight = 13,
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CyanLight = 14,
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White = 15,
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};
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enum Palette256 : uint8_t {
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Aquamarine1 = 122,
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Aquamarine1Bis = 86,
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Aquamarine3 = 79,
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Blue1 = 21,
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Blue3 = 19,
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Blue3Bis = 20,
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BlueViolet = 57,
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CadetBlue = 72,
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CadetBlueBis = 73,
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Chartreuse1 = 118,
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Chartreuse2 = 112,
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Chartreuse2Bis = 82,
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Chartreuse3 = 70,
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Chartreuse3Bis = 76,
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Chartreuse4 = 64,
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CornflowerBlue = 69,
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Cornsilk1 = 230,
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Cyan1 = 51,
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Cyan2 = 50,
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Cyan3 = 43,
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DarkBlue = 18,
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DarkCyan = 36,
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DarkGoldenrod = 136,
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DarkGreen = 22,
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DarkKhaki = 143,
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DarkMagenta = 90,
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DarkMagentaBis = 91,
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DarkOliveGreen1 = 191,
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DarkOliveGreen1Bis = 192,
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DarkOliveGreen2 = 155,
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DarkOliveGreen3 = 107,
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DarkOliveGreen3Bis = 113,
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DarkOliveGreen3Ter = 149,
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DarkOrange = 208,
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DarkOrange3 = 130,
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DarkOrange3Bis = 166,
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DarkRed = 52,
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DarkRedBis = 88,
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DarkSeaGreen = 108,
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DarkSeaGreen1 = 158,
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DarkSeaGreen1Bis = 193,
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DarkSeaGreen2 = 151,
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DarkSeaGreen2Bis = 157,
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DarkSeaGreen3 = 115,
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DarkSeaGreen3Bis = 150,
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DarkSeaGreen4 = 65,
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DarkSeaGreen4Bis = 71,
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DarkSlateGray1 = 123,
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DarkSlateGray2 = 87,
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DarkSlateGray3 = 116,
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DarkTurquoise = 44,
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DarkViolet = 128,
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DarkVioletBis = 92,
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DeepPink1 = 198,
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DeepPink1Bis = 199,
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DeepPink2 = 197,
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DeepPink3 = 161,
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DeepPink3Bis = 162,
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DeepPink4 = 125,
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DeepPink4Bis = 89,
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DeepPink4Ter = 53,
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DeepSkyBlue1 = 39,
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DeepSkyBlue2 = 38,
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DeepSkyBlue3 = 31,
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DeepSkyBlue3Bis = 32,
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DeepSkyBlue4 = 23,
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DeepSkyBlue4Bis = 24,
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DeepSkyBlue4Ter = 25,
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DodgerBlue1 = 33,
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DodgerBlue2 = 27,
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DodgerBlue3 = 26,
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Gold1 = 220,
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Gold3 = 142,
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Gold3Bis = 178,
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Green1 = 46,
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Green3 = 34,
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Green3Bis = 40,
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Green4 = 28,
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GreenYellow = 154,
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Grey0 = 16,
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Grey100 = 231,
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Grey11 = 234,
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Grey15 = 235,
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Grey19 = 236,
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Grey23 = 237,
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Grey27 = 238,
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Grey3 = 232,
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Grey30 = 239,
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Grey35 = 240,
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Grey37 = 59,
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Grey39 = 241,
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Grey42 = 242,
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Grey46 = 243,
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Grey50 = 244,
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Grey53 = 102,
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Grey54 = 245,
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Grey58 = 246,
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Grey62 = 247,
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Grey63 = 139,
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Grey66 = 248,
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Grey69 = 145,
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Grey7 = 233,
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Grey70 = 249,
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Grey74 = 250,
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Grey78 = 251,
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Grey82 = 252,
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Grey84 = 188,
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Grey85 = 253,
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Grey89 = 254,
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Grey93 = 255,
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Honeydew2 = 194,
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HotPink = 205,
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HotPink2 = 169,
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HotPink3 = 132,
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HotPink3Bis = 168,
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HotPinkBis = 206,
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IndianRed = 131,
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IndianRed1 = 203,
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IndianRed1Bis = 204,
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IndianRedBis = 167,
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Khaki1 = 228,
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Khaki3 = 185,
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LightCoral = 210,
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LightCyan1Bis = 195,
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LightCyan3 = 152,
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LightGoldenrod1 = 227,
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LightGoldenrod2 = 186,
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LightGoldenrod2Bis = 221,
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LightGoldenrod2Ter = 222,
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LightGoldenrod3 = 179,
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LightGreen = 119,
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LightGreenBis = 120,
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LightPink1 = 217,
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LightPink3 = 174,
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LightPink4 = 95,
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LightSalmon1 = 216,
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LightSalmon3 = 137,
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LightSalmon3Bis = 173,
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LightSeaGreen = 37,
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LightSkyBlue1 = 153,
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LightSkyBlue3 = 109,
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LightSkyBlue3Bis = 110,
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LightSlateBlue = 105,
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LightSlateGrey = 103,
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LightSteelBlue = 147,
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LightSteelBlue1 = 189,
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LightSteelBlue3 = 146,
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LightYellow3 = 187,
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Magenta1 = 201,
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Magenta2 = 165,
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Magenta2Bis = 200,
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Magenta3 = 127,
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Magenta3Bis = 163,
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Magenta3Ter = 164,
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MediumOrchid = 134,
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MediumOrchid1 = 171,
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MediumOrchid1Bis = 207,
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MediumOrchid3 = 133,
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MediumPurple = 104,
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MediumPurple1 = 141,
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MediumPurple2 = 135,
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MediumPurple2Bis = 140,
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MediumPurple3 = 97,
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MediumPurple3Bis = 98,
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MediumPurple4 = 60,
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MediumSpringGreen = 49,
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MediumTurquoise = 80,
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MediumVioletRed = 126,
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MistyRose1 = 224,
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MistyRose3 = 181,
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NavajoWhite1 = 223,
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NavajoWhite3 = 144,
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NavyBlue = 17,
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Orange1 = 214,
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Orange3 = 172,
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Orange4 = 58,
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Orange4Bis = 94,
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OrangeRed1 = 202,
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Orchid = 170,
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Orchid1 = 213,
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Orchid2 = 212,
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PaleGreen1 = 121,
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PaleGreen1Bis = 156,
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PaleGreen3 = 114,
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PaleGreen3Bis = 77,
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PaleTurquoise1 = 159,
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PaleTurquoise4 = 66,
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PaleVioletRed1 = 211,
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Pink1 = 218,
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Pink3 = 175,
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Plum1 = 219,
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Plum2 = 183,
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Plum3 = 176,
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Plum4 = 96,
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Purple = 129,
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Purple3 = 56,
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Purple4 = 54,
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Purple4Bis = 55,
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PurpleBis = 93,
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Red1 = 196,
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Red3 = 124,
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Red3Bis = 160,
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RosyBrown = 138,
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RoyalBlue1 = 63,
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Salmon1 = 209,
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SandyBrown = 215,
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SeaGreen1 = 84,
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SeaGreen1Bis = 85,
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SeaGreen2 = 83,
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SeaGreen3 = 78,
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SkyBlue1 = 117,
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SkyBlue2 = 111,
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SkyBlue3 = 74,
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SlateBlue1 = 99,
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SlateBlue3 = 61,
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SlateBlue3Bis = 62,
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SpringGreen1 = 48,
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SpringGreen2 = 42,
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SpringGreen2Bis = 47,
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SpringGreen3 = 35,
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SpringGreen3Bis = 41,
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SpringGreen4 = 29,
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SteelBlue = 67,
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SteelBlue1 = 75,
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SteelBlue1Bis = 81,
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SteelBlue3 = 68,
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Tan = 180,
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Thistle1 = 225,
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Thistle3 = 182,
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Turquoise2 = 45,
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Turquoise4 = 30,
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Violet = 177,
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Wheat1 = 229,
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Wheat4 = 101,
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Yellow1 = 226,
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Yellow2 = 190,
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Yellow3 = 148,
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Yellow3Bis = 184,
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Yellow4 = 100,
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Yellow4Bis = 106,
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};
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// clang-format on
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// --- Operators ------
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bool operator==(const Color& rhs) const;
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bool operator!=(const Color& rhs) const;
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std::string Print(bool is_background_color) const;
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private:
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enum class ColorType : uint8_t {
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Palette1,
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Palette16,
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Palette256,
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TrueColor,
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};
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ColorType type_;
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union {
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uint8_t index_ = 0;
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uint8_t red_;
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};
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uint8_t green_ = 0;
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uint8_t blue_ = 0;
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};
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} // namespace ftxui
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#endif /* end of include guard: FTXUI_COLOR_H_ */
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// Copyright 2020 Arthur Sonzogni. All rights reserved.
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// Use of this source code is governed by the MIT license that can be found in
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// the LICENSE file.
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