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Add support for full RGB colors.

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FTXUI supported only the 16 colors palette.
This patch adds support for the 256 palette and the TrueColor(8×8×8)
mode.

This was made by kerdelos@ and fixes issue:
https://github.com/ArthurSonzogni/FTXUI/issues/45

Co-authored-by: Damien D <kerdelos@gmail.com>
Co-authored-by: Arthur Sonzogni <sonzogniarthur@gmail.com>
This commit is contained in:
Damien D
2020-09-02 11:32:22 +02:00
committed by Arthur Sonzogni
parent 49941b6403
commit dc8c090753
10 changed files with 846 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
CMakeLists.txt
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@@ -23,6 +23,7 @@ find_package(Threads)
add_library(screen add_library(screen
src/ftxui/screen/box.cpp src/ftxui/screen/box.cpp
src/ftxui/screen/color.cpp
src/ftxui/screen/screen.cpp src/ftxui/screen/screen.cpp
src/ftxui/screen/string.cpp src/ftxui/screen/string.cpp
src/ftxui/screen/terminal.cpp src/ftxui/screen/terminal.cpp
@@ -122,6 +123,7 @@ foreach(lib screen dom component)
target_compile_options(${lib} PRIVATE "/WX") target_compile_options(${lib} PRIVATE "/WX")
target_compile_options(${lib} PRIVATE "/wd4244") target_compile_options(${lib} PRIVATE "/wd4244")
target_compile_options(${lib} PRIVATE "/wd4267") target_compile_options(${lib} PRIVATE "/wd4267")
target_compile_options(${lib} PRIVATE "/D_CRT_SECURE_NO_WARNINGS")
endif() endif()
# Force Win32 to UNICODE # Force Win32 to UNICODE
target_compile_definitions(${lib} PRIVATE UNICODE _UNICODE) target_compile_definitions(${lib} PRIVATE UNICODE _UNICODE)

17
examples/dom/CMakeLists.txt
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@@ -4,23 +4,26 @@ function(example name)
set_property(TARGET ${name} PROPERTY CXX_STANDARD 17) set_property(TARGET ${name} PROPERTY CXX_STANDARD 17)
endfunction(example) endfunction(example)
example(dbox)
example(border) example(border)
example(color_gallery)
example(dbox)
example(gauge) example(gauge)
example(package_manager)
example(separator)
example(graph) example(graph)
example(hflow)
example(html_like)
example(package_manager)
example(paragraph)
example(separator)
example(size)
example(spinner) example(spinner)
example(style_blink) example(style_blink)
example(style_bold) example(style_bold)
example(style_color) example(style_color)
example(color_truecolor_RGB)
example(color_truecolor_HSV)
example(style_dim) example(style_dim)
example(style_gallery) example(style_gallery)
example(style_inverted) example(style_inverted)
example(style_underlined) example(style_underlined)
example(size)
example(vbox_hbox) example(vbox_hbox)
example(hflow)
example(paragraph)
example(html_like)
example(window) example(window)

109
examples/dom/color_gallery.cpp Normal file
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@@ -0,0 +1,109 @@
// Copyright 2020 Arthur Sonzogni. All rights reserved.
// Use of this source code is governed by the MIT license that can be found in
// the LICENSE file.
#include <ftxui/dom/elements.hpp>
#include <ftxui/screen/screen.hpp>
#include <ftxui/screen/terminal.hpp>
#include <iostream>
#include "ftxui/screen/string.hpp"
int main(int argc, const char* argv[]) {
using namespace ftxui;
// clang-format off
auto terminal_info =
vbox(
text(L"Basic Color support : unknown"),
text(L"256 Color support : unknown"),
(Terminal::CanSupportTrueColors() ?
text(L"TrueColor support : Yes"):
text(L"TrueColor support : No"))
);
auto basic_color_display =
vbox(
text(L"Basic Color Set:"),
hbox(
vbox(
color(Color::Default, text(L"Default")),
color(Color::Black, text(L"Black")),
color(Color::GrayDark, text(L"GrayDark")),
color(Color::GrayLight, text(L"GrayLight")),
color(Color::White, text(L"White")),
color(Color::Blue, text(L"Blue")),
color(Color::BlueLight, text(L"BlueLight")),
color(Color::Cyan, text(L"Cyan")),
color(Color::CyanLight, text(L"CyanLight")),
color(Color::Green, text(L"Green")),
color(Color::GreenLight, text(L"GreenLight")),
color(Color::Magenta, text(L"Magenta")),
color(Color::MagentaLight, text(L"MagentaLight")),
color(Color::Red, text(L"Red")),
color(Color::RedLight, text(L"RedLight")),
color(Color::Yellow, text(L"Yellow")),
color(Color::YellowLight, text(L"YellowLight"))
),
vbox(
bgcolor(Color::Default, text(L"Default")),
bgcolor(Color::Black, text(L"Black")),
bgcolor(Color::GrayDark, text(L"GrayDark")),
bgcolor(Color::GrayLight, text(L"GrayLight")),
bgcolor(Color::White, text(L"White")),
bgcolor(Color::Blue, text(L"Blue")),
bgcolor(Color::BlueLight, text(L"BlueLight")),
bgcolor(Color::Cyan, text(L"Cyan")),
bgcolor(Color::CyanLight, text(L"CyanLight")),
bgcolor(Color::Green, text(L"Green")),
bgcolor(Color::GreenLight, text(L"GreenLight")),
bgcolor(Color::Magenta, text(L"Magenta")),
bgcolor(Color::MagentaLight, text(L"MagentaLight")),
bgcolor(Color::Red, text(L"Red")),
bgcolor(Color::RedLight, text(L"RedLight")),
bgcolor(Color::Yellow, text(L"Yellow")),
bgcolor(Color::YellowLight, text(L"YellowLight"))
)
)
);
// clang-format on
auto palette_256_color_display = vbox(text(L"256 color palette:"));
int y = -1;
for (int i = 0; i < 256; ++i) {
if (i % 16 == 0) {
palette_256_color_display->children.push_back(hbox());
++y;
}
std::string number = std::to_string(i);
while (number.length() < 4) {
number.push_back(' ');
}
palette_256_color_display->children.back()->children.push_back(
bgcolor(Color::Palette256(i), text(to_wstring(number))));
}
auto true_color_display = vbox(text(L"a true color grandient:"));
for (int i = 0; i < 17; ++i) {
true_color_display->children.push_back(hbox());
for (int j = 0; j < 30; ++j) {
true_color_display->children.back()->children.push_back(
bgcolor(Color(50 + i * 5, 100 + j, 150), text(L" ")));
}
}
auto document =
vbox(terminal_info, text(L""),
hbox(basic_color_display, text(L" "), palette_256_color_display,
text(L" "), true_color_display));
// clang-format on
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
std::cout << screen.ToString();
return 0;
}

32
examples/dom/color_truecolor_HSV.cpp Normal file
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@@ -0,0 +1,32 @@
// Copyright 2020 Arthur Sonzogni. All rights reserved.
// Use of this source code is governed by the MIT license that can be found in
// the LICENSE file.
#include <ftxui/dom/elements.hpp>
#include <ftxui/screen/screen.hpp>
#include <ftxui/screen/terminal.hpp>
#include <iostream>
#include "ftxui/screen/string.hpp"
int main(int argc, const char* argv[]) {
using namespace ftxui;
int saturation = 255;
Elements array;
for (int value = 0; value < 255; value += 10) {
Elements line;
for (int hue = 0; hue < 255; hue += 2)
line.push_back(text(L" ") | bgcolor(Color::HSV(hue, saturation, value)));
array.push_back(hbox(std::move(line)));
}
auto document = vbox(std::move(array));
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
std::cout << screen.ToString();
return 0;
}

55
examples/dom/color_truecolor_RGB.cpp Normal file
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@@ -0,0 +1,55 @@
// Copyright 2020 Arthur Sonzogni. All rights reserved.
// Use of this source code is governed by the MIT license that can be found in
// the LICENSE file.
#include <cmath>
#include <ftxui/dom/elements.hpp>
#include <ftxui/screen/screen.hpp>
#include <ftxui/screen/terminal.hpp>
#include <iostream>
#include "ftxui/screen/string.hpp"
int main(int argc, const char* argv[]) {
using namespace ftxui;
int saturation = 255;
Elements red_line;
Elements green_line;
Elements blue_line;
Elements cyan_line;
Elements magenta_line;
Elements yellow_line;
for (int value = 0; value < 255; value += 3) {
int v = value * value / 255;
red_line.push_back(text(L" ") | bgcolor(Color::RGB(v, 0, 0)));
green_line.push_back(text(L" ") | bgcolor(Color::RGB(0, v, 0)));
blue_line.push_back(text(L" ") | bgcolor(Color::RGB(0, 0, v)));
cyan_line.push_back(text(L" ") | bgcolor(Color::RGB(0, v, v)));
magenta_line.push_back(text(L" ") | bgcolor(Color::RGB(v, 0, v)));
yellow_line.push_back(text(L" ") | bgcolor(Color::RGB(v, v, 0)));
}
auto document = vbox({
window(text(L"Primary colors"),
vbox({
hbox({text(L"Red line :"), hbox(std::move(red_line))}),
hbox({text(L"Green line :"), hbox(std::move(green_line))}),
hbox({text(L"Blue line :"), hbox(std::move(blue_line))}),
})),
window(text(L"Secondary colors"),
vbox({
hbox({text(L"cyan line :"), hbox(std::move(cyan_line))}),
hbox({text(L"magenta line:"), hbox(std::move(magenta_line))}),
hbox({text(L"Yellow line :"), hbox(std::move(yellow_line))}),
})),
});
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
std::cout << screen.ToString();
return 0;
}

314
include/ftxui/screen/color.hpp
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@@ -2,39 +2,307 @@
#define FTXUI_SCREEN_COLOR #define FTXUI_SCREEN_COLOR
#include <cstdint> #include <cstdint>
#include <string>
namespace ftxui { namespace ftxui {
/// @brief The set of supported terminal colors. /// @brief A class representing terminal colors.
/// @ingroup screen /// @ingroup screen
enum class Color : uint8_t { class Color {
// --- Transparent ----- public:
Default = 39, // clang-format off
enum Palette16 {
Black = 30,
Blue = 34,
BlueLight = 94,
Cyan = 36,
CyanLight = 96,
Default = 39, // Transparent
GrayDark = 90,
GrayLight = 37,
Green = 32,
GreenLight = 92,
Magenta = 35,
MagentaLight = 95,
Red = 31,
RedLight = 91,
White = 97,
Yellow = 33,
YellowLight = 93,
};
// --- Grayscale ----- enum Palette256 {
Black = 30, Aquamarine1 = 122,
GrayDark = 90, Aquamarine1Bis = 86,
GrayLight = 37, Aquamarine3 = 79,
White = 97, Blue1 = 21,
Blue3 = 19,
Blue3Bis = 20,
BlueViolet = 57,
CadetBlue = 72,
CadetBlueBis = 73,
Chartreuse1 = 118,
Chartreuse2 = 112,
Chartreuse2Bis = 82,
Chartreuse3 = 70,
Chartreuse3Bis = 76,
Chartreuse4 = 64,
CornflowerBlue = 69,
Cornsilk1 = 230,
Cyan1 = 51,
Cyan2 = 50,
Cyan3 = 43,
DarkBlue = 18,
DarkCyan = 36,
DarkGoldenrod = 136,
DarkGreen = 22,
DarkKhaki = 143,
DarkMagenta = 90,
DarkMagentaBis = 91,
DarkOliveGreen1 = 191,
DarkOliveGreen1Bis = 192,
DarkOliveGreen2 = 155,
DarkOliveGreen3 = 107,
DarkOliveGreen3Bis = 113,
DarkOliveGreen3Ter = 149,
DarkOrange = 208,
DarkOrange3 = 130,
DarkOrange3Bis = 166,
DarkRed = 52,
DarkRedBis = 88,
DarkSeaGreen = 108,
DarkSeaGreen1 = 158,
DarkSeaGreen1Bis = 193,
DarkSeaGreen2 = 151,
DarkSeaGreen2Bis = 157,
DarkSeaGreen3 = 115,
DarkSeaGreen3Bis = 150,
DarkSeaGreen4 = 65,
DarkSeaGreen4Bis = 71,
DarkSlateGray1 = 123,
DarkSlateGray2 = 87,
DarkSlateGray3 = 116,
DarkTurquoise = 44,
DarkViolet = 128,
DarkVioletBis = 92,
DeepPink1 = 198,
DeepPink1Bis = 199,
DeepPink2 = 197,
DeepPink3 = 161,
DeepPink3Bis = 162,
DeepPink4 = 125,
DeepPink4Bis = 89,
DeepPink4Ter = 53,
DeepSkyBlue1 = 39,
DeepSkyBlue2 = 38,
DeepSkyBlue3 = 31,
DeepSkyBlue3Bis = 32,
DeepSkyBlue4 = 23,
DeepSkyBlue4Bis = 24,
DeepSkyBlue4Ter = 25,
DodgerBlue1 = 33,
DodgerBlue2 = 27,
DodgerBlue3 = 26,
Gold1 = 220,
Gold3 = 142,
Gold3Bis = 178,
Green1 = 46,
Green3 = 34,
Green3Bis = 40,
Green4 = 28,
GreenYellow = 154,
Grey0 = 16,
Grey100 = 231,
Grey11 = 234,
Grey15 = 235,
Grey19 = 236,
Grey23 = 237,
Grey27 = 238,
Grey3 = 232,
Grey30 = 239,
Grey35 = 240,
Grey37 = 59,
Grey39 = 241,
Grey42 = 242,
Grey46 = 243,
Grey50 = 244,
Grey53 = 102,
Grey54 = 245,
Grey58 = 246,
Grey62 = 247,
Grey63 = 139,
Grey66 = 248,
Grey69 = 145,
Grey7 = 233,
Grey70 = 249,
Grey74 = 250,
Grey78 = 251,
Grey82 = 252,
Grey84 = 188,
Grey85 = 253,
Grey89 = 254,
Grey93 = 255,
Honeydew2 = 194,
HotPink = 205,
HotPink2 = 169,
HotPink3 = 132,
HotPink3Bis = 168,
HotPinkBis = 206,
IndianRed = 131,
IndianRed1 = 203,
IndianRed1Bis = 204,
IndianRedBis = 167,
Khaki1 = 228,
Khaki3 = 185,
LightCoral = 210,
LightCyan1Bis = 195,
LightCyan3 = 152,
LightGoldenrod1 = 227,
LightGoldenrod2 = 186,
LightGoldenrod2Bis = 221,
LightGoldenrod2Ter = 222,
LightGoldenrod3 = 179,
LightGreen = 119,
LightGreenBis = 120,
LightPink1 = 217,
LightPink3 = 174,
LightPink4 = 95,
LightSalmon1 = 216,
LightSalmon3 = 137,
LightSalmon3Bis = 173,
LightSeaGreen = 37,
LightSkyBlue1 = 153,
LightSkyBlue3 = 109,
LightSkyBlue3Bis = 110,
LightSlateBlue = 105,
LightSlateGrey = 103,
LightSteelBlue = 147,
LightSteelBlue1 = 189,
LightSteelBlue3 = 146,
LightYellow3 = 187,
Magenta1 = 201,
Magenta2 = 165,
Magenta2Bis = 200,
Magenta3 = 127,
Magenta3Bis = 163,
Magenta3Ter = 164,
MediumOrchid = 134,
MediumOrchid1 = 171,
MediumOrchid1Bis = 207,
MediumOrchid3 = 133,
MediumPurple = 104,
MediumPurple1 = 141,
MediumPurple2 = 135,
MediumPurple2Bis = 140,
MediumPurple3 = 97,
MediumPurple3Bis = 98,
MediumPurple4 = 60,
MediumSpringGreen = 49,
MediumTurquoise = 80,
MediumVioletRed = 126,
MistyRose1 = 224,
MistyRose3 = 181,
NavajoWhite1 = 223,
NavajoWhite3 = 144,
NavyBlue = 17,
Orange1 = 214,
Orange3 = 172,
Orange4 = 58,
Orange4Bis = 94,
OrangeRed1 = 202,
Orchid = 170,
Orchid1 = 213,
Orchid2 = 212,
PaleGreen1 = 121,
PaleGreen1Bis = 156,
PaleGreen3 = 114,
PaleGreen3Bis = 77,
PaleTurquoise1 = 159,
PaleTurquoise4 = 66,
PaleVioletRed1 = 211,
Pink1 = 218,
Pink3 = 175,
Plum1 = 219,
Plum2 = 183,
Plum3 = 176,
Plum4 = 96,
Purple = 129,
Purple3 = 56,
Purple4 = 54,
Purple4Bis = 55,
PurpleBis = 93,
Red1 = 196,
Red3 = 124,
Red3Bis = 160,
RosyBrown = 138,
RoyalBlue1 = 63,
Salmon1 = 209,
SandyBrown = 215,
SeaGreen1 = 84,
SeaGreen1Bis = 85,
SeaGreen2 = 83,
SeaGreen3 = 78,
SkyBlue1 = 117,
SkyBlue2 = 111,
SkyBlue3 = 74,
SlateBlue1 = 99,
SlateBlue3 = 61,
SlateBlue3Bis = 62,
SpringGreen1 = 48,
SpringGreen2 = 42,
SpringGreen2Bis = 47,
SpringGreen3 = 35,
SpringGreen3Bis = 41,
SpringGreen4 = 29,
SteelBlue = 67,
SteelBlue1 = 75,
SteelBlue1Bis = 81,
SteelBlue3 = 68,
Tan = 180,
Thistle1 = 225,
Thistle3 = 182,
Turquoise2 = 45,
Turquoise4 = 30,
Violet = 177,
Wheat1 = 229,
Wheat4 = 101,
Yellow1 = 226,
Yellow2 = 190,
Yellow3 = 148,
Yellow3Bis = 184,
Yellow4 = 100,
Yellow4Bis = 106,
};
// clang-format on
// --- Hue ----- public:
Blue = 34, Color(); // Transparent.
BlueLight = 94, Color(Palette256 index); // Implicit conversion from index to Color.
Color(Palette16 index); // Implicit conversion from index to Color.
Color(uint8_t red, uint8_t green, uint8_t blue);
static Color RGB(uint8_t red, uint8_t green, uint8_t blue);
static Color HSV(uint8_t hue, uint8_t saturation, uint8_t value);
Cyan = 36, // --- Operators ------
CyanLight = 96, bool operator==(const Color& rhs) const;
bool operator!=(const Color& rhs) const;
Green = 32, std::wstring Print(bool is_background_color) const;
GreenLight = 92,
Magenta = 35, private:
MagentaLight = 95, enum class ColorType : uint8_t {
Palette16,
Palette256,
TrueColor,
};
Red = 31, ColorType type_;
RedLight = 91, union {
uint8_t index_ = 0;
Yellow = 33, uint8_t red_;
YellowLight = 93, };
uint8_t green_ = 0;
uint8_t blue_ = 0;
}; };
} // namespace ftxui } // namespace ftxui

2
src/ftxui/screen/terminal.hpp → include/ftxui/screen/terminal.hpp
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@@ -10,6 +10,8 @@ class Terminal {
int dimy; int dimy;
}; };
static bool CanSupportTrueColors();
static Dimensions Size(); static Dimensions Size();
}; };

333
src/ftxui/screen/color.cpp Normal file
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@@ -0,0 +1,333 @@
#include "ftxui/screen/color.hpp"
#include <algorithm>
#include "ftxui/screen/string.hpp"
namespace ftxui {
struct Color256Info {
const char* name;
const uint8_t index;
const uint8_t red;
const uint8_t green;
const uint8_t blue;
};
// clang-format off
const Color256Info color256_info[] = {
{"Grey0" , 16 , 0 , 0 , 0 } ,
{"NavyBlue" , 17 , 0 , 0 , 95 } ,
{"DarkBlue" , 18 , 0 , 0 , 135 } ,
{"Blue3" , 19 , 0 , 0 , 175 } ,
{"Blue3Bis" , 20 , 0 , 0 , 215 } ,
{"Blue1" , 21 , 0 , 0 , 255 } ,
{"DarkGreen" , 22 , 0 , 95 , 0 } ,
{"DeepSkyBlue4" , 23 , 0 , 95 , 95 } ,
{"DeepSkyBlue4Bis" , 24 , 0 , 95 , 135 } ,
{"DeepSkyBlue4Ter" , 25 , 0 , 95 , 175 } ,
{"DodgerBlue3" , 26 , 0 , 95 , 215 } ,
{"DodgerBlue2" , 27 , 0 , 95 , 255 } ,
{"Green4" , 28 , 0 , 135 , 0 } ,
{"SpringGreen4" , 29 , 0 , 135 , 95 } ,
{"Turquoise4" , 30 , 0 , 135 , 135 } ,
{"DeepSkyBlue3" , 31 , 0 , 135 , 175 } ,
{"DeepSkyBlue3Bis" , 32 , 0 , 135 , 215 } ,
{"DodgerBlue1" , 33 , 0 , 135 , 255 } ,
{"Green3" , 34 , 0 , 175 , 0 } ,
{"SpringGreen3" , 35 , 0 , 175 , 95 } ,
{"DarkCyan" , 36 , 0 , 175 , 135 } ,
{"LightSeaGreen" , 37 , 0 , 175 , 175 } ,
{"DeepSkyBlue2" , 38 , 0 , 175 , 215 } ,
{"DeepSkyBlue1" , 39 , 0 , 175 , 255 } ,
{"Green3Bis" , 40 , 0 , 215 , 0 } ,
{"SpringGreen3Bis" , 41 , 0 , 215 , 95 } ,
{"SpringGreen2" , 42 , 0 , 215 , 135 } ,
{"Cyan3" , 43 , 0 , 215 , 175 } ,
{"DarkTurquoise" , 44 , 0 , 215 , 215 } ,
{"Turquoise2" , 45 , 0 , 215 , 255 } ,
{"Green1" , 46 , 0 , 255 , 0 } ,
{"SpringGreen2Bis" , 47 , 0 , 255 , 95 } ,
{"SpringGreen1" , 48 , 0 , 255 , 135 } ,
{"MediumSpringGreen" , 49 , 0 , 255 , 175 } ,
{"Cyan2" , 50 , 0 , 255 , 215 } ,
{"Cyan1" , 51 , 0 , 255 , 255 } ,
{"DarkRed" , 52 , 95 , 0 , 0 } ,
{"DeepPink4Ter" , 53 , 95 , 0 , 95 } ,
{"Purple4" , 54 , 95 , 0 , 135 } ,
{"Purple4Bis" , 55 , 95 , 0 , 175 } ,
{"Purple3" , 56 , 95 , 0 , 215 } ,
{"BlueViolet" , 57 , 95 , 0 , 255 } ,
{"Orange4" , 58 , 95 , 95 , 0 } ,
{"Grey37" , 59 , 95 , 95 , 95 } ,
{"MediumPurple4" , 60 , 95 , 95 , 135 } ,
{"SlateBlue3" , 61 , 95 , 95 , 175 } ,
{"SlateBlue3Bis" , 62 , 95 , 95 , 215 } ,
{"RoyalBlue1" , 63 , 95 , 95 , 255 } ,
{"Chartreuse4" , 64 , 95 , 135 , 0 } ,
{"DarkSeaGreen4" , 65 , 95 , 135 , 95 } ,
{"PaleTurquoise4" , 66 , 95 , 135 , 135 } ,
{"SteelBlue" , 67 , 95 , 135 , 175 } ,
{"SteelBlue3" , 68 , 95 , 135 , 215 } ,
{"CornflowerBlue" , 69 , 95 , 135 , 255 } ,
{"Chartreuse3" , 70 , 95 , 175 , 0 } ,
{"DarkSeaGreen4Bis" , 71 , 95 , 175 , 95 } ,
{"CadetBlue" , 72 , 95 , 175 , 135 } ,
{"CadetBlueBis" , 73 , 95 , 175 , 175 } ,
{"SkyBlue3" , 74 , 95 , 175 , 215 } ,
{"SteelBlue1" , 75 , 95 , 175 , 255 } ,
{"Chartreuse3Bis" , 76 , 95 , 215 , 0 } ,
{"PaleGreen3Bis" , 77 , 95 , 215 , 95 } ,
{"SeaGreen3" , 78 , 95 , 215 , 135 } ,
{"Aquamarine3" , 79 , 95 , 215 , 175 } ,
{"MediumTurquoise" , 80 , 95 , 215 , 215 } ,
{"SteelBlue1Bis" , 81 , 95 , 215 , 255 } ,
{"Chartreuse2Bis" , 82 , 95 , 255 , 0 } ,
{"SeaGreen2" , 83 , 95 , 255 , 95 } ,
{"SeaGreen1" , 84 , 95 , 255 , 135 } ,
{"SeaGreen1Bis" , 85 , 95 , 255 , 175 } ,
{"Aquamarine1Bis" , 86 , 95 , 255 , 215 } ,
{"DarkSlateGray2" , 87 , 95 , 255 , 255 } ,
{"DarkRedBis" , 88 , 135 , 0 , 0 } ,
{"DeepPink4Bis" , 89 , 135 , 0 , 95 } ,
{"DarkMagenta" , 90 , 135 , 0 , 135 } ,
{"DarkMagentaBis" , 91 , 135 , 0 , 175 } ,
{"DarkVioletBis" , 92 , 135 , 0 , 215 } ,
{"PurpleBis" , 93 , 135 , 0 , 255 } ,
{"Orange4Bis" , 94 , 135 , 95 , 0 } ,
{"LightPink4" , 95 , 135 , 95 , 95 } ,
{"Plum4" , 96 , 135 , 95 , 135 } ,
{"MediumPurple3" , 97 , 135 , 95 , 175 } ,
{"MediumPurple3Bis" , 98 , 135 , 95 , 215 } ,
{"SlateBlue1" , 99 , 135 , 95 , 255 } ,
{"Yellow4" , 100 , 135 , 135 , 0 } ,
{"Wheat4" , 101 , 135 , 135 , 95 } ,
{"Grey53" , 102 , 135 , 135 , 135 } ,
{"LightSlateGrey" , 103 , 135 , 135 , 175 } ,
{"MediumPurple" , 104 , 135 , 135 , 215 } ,
{"LightSlateBlue" , 105 , 135 , 135 , 255 } ,
{"Yellow4Bis" , 106 , 135 , 175 , 0 } ,
{"DarkOliveGreen3" , 107 , 135 , 175 , 95 } ,
{"DarkSeaGreen" , 108 , 135 , 175 , 135 } ,
{"LightSkyBlue3" , 109 , 135 , 175 , 175 } ,
{"LightSkyBlue3Bis" , 110 , 135 , 175 , 215 } ,
{"SkyBlue2" , 111 , 135 , 175 , 255 } ,
{"Chartreuse2" , 112 , 135 , 215 , 0 } ,
{"DarkOliveGreen3Bis" , 113 , 135 , 215 , 95 } ,
{"PaleGreen3" , 114 , 135 , 215 , 135 } ,
{"DarkSeaGreen3" , 115 , 135 , 215 , 175 } ,
{"DarkSlateGray3" , 116 , 135 , 215 , 215 } ,
{"SkyBlue1" , 117 , 135 , 215 , 255 } ,
{"Chartreuse1" , 118 , 135 , 255 , 0 } ,
{"LightGreen" , 119 , 135 , 255 , 95 } ,
{"LightGreenBis" , 120 , 135 , 255 , 135 } ,
{"PaleGreen1" , 121 , 135 , 255 , 175 } ,
{"Aquamarine1" , 122 , 135 , 255 , 215 } ,
{"DarkSlateGray1" , 123 , 135 , 255 , 255 } ,
{"Red3" , 124 , 175 , 0 , 0 } ,
{"DeepPink4" , 125 , 175 , 0 , 95 } ,
{"MediumVioletRed" , 126 , 175 , 0 , 135 } ,
{"Magenta3" , 127 , 175 , 0 , 175 } ,
{"DarkViolet" , 128 , 175 , 0 , 215 } ,
{"Purple" , 129 , 175 , 0 , 255 } ,
{"DarkOrange3" , 130 , 175 , 95 , 0 } ,
{"IndianRed" , 131 , 175 , 95 , 95 } ,
{"HotPink3" , 132 , 175 , 95 , 135 } ,
{"MediumOrchid3" , 133 , 175 , 95 , 175 } ,
{"MediumOrchid" , 134 , 175 , 95 , 215 } ,
{"MediumPurple2" , 135 , 175 , 95 , 255 } ,
{"DarkGoldenrod" , 136 , 175 , 135 , 0 } ,
{"LightSalmon3" , 137 , 175 , 135 , 95 } ,
{"RosyBrown" , 138 , 175 , 135 , 135 } ,
{"Grey63" , 139 , 175 , 135 , 175 } ,
{"MediumPurple2Bis" , 140 , 175 , 135 , 215 } ,
{"MediumPurple1" , 141 , 175 , 135 , 255 } ,
{"Gold3" , 142 , 175 , 175 , 0 } ,
{"DarkKhaki" , 143 , 175 , 175 , 95 } ,
{"NavajoWhite3" , 144 , 175 , 175 , 135 } ,
{"Grey69" , 145 , 175 , 175 , 175 } ,
{"LightSteelBlue3" , 146 , 175 , 175 , 215 } ,
{"LightSteelBlue" , 147 , 175 , 175 , 255 } ,
{"Yellow3" , 148 , 175 , 215 , 0 } ,
{"DarkOliveGreen3Ter" , 149 , 175 , 215 , 95 } ,
{"DarkSeaGreen3Bis" , 150 , 175 , 215 , 135 } ,
{"DarkSeaGreen2" , 151 , 175 , 215 , 175 } ,
{"LightCyan3" , 152 , 175 , 215 , 215 } ,
{"LightSkyBlue1" , 153 , 175 , 215 , 255 } ,
{"GreenYellow" , 154 , 175 , 255 , 0 } ,
{"DarkOliveGreen2" , 155 , 175 , 255 , 95 } ,
{"PaleGreen1Bis" , 156 , 175 , 255 , 135 } ,
{"DarkSeaGreen2Bis" , 157 , 175 , 255 , 175 } ,
{"DarkSeaGreen1" , 158 , 175 , 255 , 215 } ,
{"PaleTurquoise1" , 159 , 175 , 255 , 255 } ,
{"Red3Bis" , 160 , 215 , 0 , 0 } ,
{"DeepPink3" , 161 , 215 , 0 , 95 } ,
{"DeepPink3Bis" , 162 , 215 , 0 , 135 } ,
{"Magenta3Bis" , 163 , 215 , 0 , 175 } ,
{"Magenta3Ter" , 164 , 215 , 0 , 215 } ,
{"Magenta2" , 165 , 215 , 0 , 255 } ,
{"DarkOrange3Bis" , 166 , 215 , 95 , 0 } ,
{"IndianRedBis" , 167 , 215 , 95 , 95 } ,
{"HotPink3Bis" , 168 , 215 , 95 , 135 } ,
{"HotPink2" , 169 , 215 , 95 , 175 } ,
{"Orchid" , 170 , 215 , 95 , 215 } ,
{"MediumOrchid1" , 171 , 215 , 95 , 255 } ,
{"Orange3" , 172 , 215 , 135 , 0 } ,
{"LightSalmon3" , 173 , 215 , 135 , 95 } ,
{"LightPink3" , 174 , 215 , 135 , 135 } ,
{"Pink3" , 175 , 215 , 135 , 175 } ,
{"Plum3" , 176 , 215 , 135 , 215 } ,
{"Violet" , 177 , 215 , 135 , 255 } ,
{"Gold3Bis" , 178 , 215 , 175 , 0 } ,
{"LightGoldenrod3" , 179 , 215 , 175 , 95 } ,
{"Tan" , 180 , 215 , 175 , 135 } ,
{"MistyRose3" , 181 , 215 , 175 , 175 } ,
{"Thistle3" , 182 , 215 , 175 , 215 } ,
{"Plum2" , 183 , 215 , 175 , 255 } ,
{"Yellow3Bis" , 184 , 215 , 215 , 0 } ,
{"Khaki3" , 185 , 215 , 215 , 95 } ,
{"LightGoldenrod2" , 186 , 215 , 215 , 135 } ,
{"LightYellow3" , 187 , 215 , 215 , 175 } ,
{"Grey84" , 188 , 215 , 215 , 215 } ,
{"LightSteelBlue1" , 189 , 215 , 215 , 255 } ,
{"Yellow2" , 190 , 215 , 255 , 0 } ,
{"DarkOliveGreen1" , 191 , 215 , 255 , 95 } ,
{"DarkOliveGreen1Bis" , 192 , 215 , 255 , 135 } ,
{"DarkSeaGreen1Bis" , 193 , 215 , 255 , 175 } ,
{"Honeydew2" , 194 , 215 , 255 , 215 } ,
{"LightCyan1Bis" , 195 , 215 , 255 , 255 } ,
{"Red1" , 196 , 255 , 0 , 0 } ,
{"DeepPink2" , 197 , 255 , 0 , 95 } ,
{"DeepPink1" , 198 , 255 , 0 , 135 } ,
{"DeepPink1Bis" , 199 , 255 , 0 , 175 } ,
{"Magenta2Bis" , 200 , 255 , 0 , 215 } ,
{"Magenta1" , 201 , 255 , 0 , 255 } ,
{"OrangeRed1" , 202 , 255 , 95 , 0 } ,
{"IndianRed1" , 203 , 255 , 95 , 95 } ,
{"IndianRed1Bis" , 204 , 255 , 95 , 135 } ,
{"HotPink" , 205 , 255 , 95 , 175 } ,
{"HotPinkBis" , 206 , 255 , 95 , 215 } ,
{"MediumOrchid1Bis" , 207 , 255 , 95 , 255 } ,
{"DarkOrange" , 208 , 255 , 135 , 0 } ,
{"Salmon1" , 209 , 255 , 135 , 95 } ,
{"LightCoral" , 210 , 255 , 135 , 135 } ,
{"PaleVioletRed1" , 211 , 255 , 135 , 175 } ,
{"Orchid2" , 212 , 255 , 135 , 215 } ,
{"Orchid1" , 213 , 255 , 135 , 255 } ,
{"Orange1" , 214 , 255 , 175 , 0 } ,
{"SandyBrown" , 215 , 255 , 175 , 95 } ,
{"LightSalmon1" , 216 , 255 , 175 , 135 } ,
{"LightPink1" , 217 , 255 , 175 , 175 } ,
{"Pink1" , 218 , 255 , 175 , 215 } ,
{"Plum1" , 219 , 255 , 175 , 255 } ,
{"Gold1" , 220 , 255 , 215 , 0 } ,
{"LightGoldenrod2Bis" , 221 , 255 , 215 , 95 } ,
{"LightGoldenrod2Ter" , 222 , 255 , 215 , 135 } ,
{"NavajoWhite1" , 223 , 255 , 215 , 175 } ,
{"MistyRose1" , 224 , 255 , 215 , 215 } ,
{"Thistle1" , 225 , 255 , 215 , 255 } ,
{"Yellow1" , 226 , 255 , 255 , 0 } ,
{"LightGoldenrod1" , 227 , 255 , 255 , 95 } ,
{"Khaki1" , 228 , 255 , 255 , 135 } ,
{"Wheat1" , 229 , 255 , 255 , 175 } ,
{"Cornsilk1" , 230 , 255 , 255 , 215 } ,
{"Grey100" , 231 , 255 , 255 , 255 } ,
{"Grey3" , 232 , 8 , 8 , 8 } ,
{"Grey7" , 233 , 18 , 18 , 18 } ,
{"Grey11" , 234 , 28 , 28 , 28 } ,
{"Grey15" , 235 , 38 , 38 , 38 } ,
{"Grey19" , 236 , 48 , 48 , 48 } ,
{"Grey23" , 237 , 58 , 58 , 58 } ,
{"Grey27" , 238 , 68 , 68 , 68 } ,
{"Grey30" , 239 , 78 , 78 , 78 } ,
{"Grey35" , 240 , 88 , 88 , 88 } ,
{"Grey39" , 241 , 98 , 98 , 98 } ,
{"Grey42" , 242 , 108 , 108 , 108 } ,
{"Grey46" , 243 , 118 , 118 , 118 } ,
{"Grey50" , 244 , 128 , 128 , 128 } ,
{"Grey54" , 245 , 138 , 138 , 138 } ,
{"Grey58" , 246 , 148 , 148 , 148 } ,
{"Grey62" , 247 , 158 , 158 , 158 } ,
{"Grey66" , 248 , 168 , 168 , 168 } ,
{"Grey70" , 249 , 178 , 178 , 178 } ,
{"Grey74" , 250 , 188 , 188 , 188 } ,
{"Grey78" , 251 , 198 , 198 , 198 } ,
{"Grey82" , 252 , 208 , 208 , 208 } ,
{"Grey85" , 253 , 218 , 218 , 218 } ,
{"Grey89" , 254 , 228 , 228 , 228 } ,
{"Grey93" , 255 , 238 , 238 , 238 } ,
};
// clang-format on
bool Color::operator==(const Color& rhs) const {
(void)color256_info;
return red_ == rhs.red_ && green_ == rhs.green_ && blue_ == rhs.blue_ &&
type_ == rhs.type_;
}
bool Color::operator!=(const Color& rhs) const {
return !operator==(rhs);
}
std::wstring Color::Print(bool is_background_color) const {
switch (type_) {
case ColorType::Palette16:
return to_wstring(
std::to_string((is_background_color ? 10 : 0) + index_));
case ColorType::Palette256:
return to_wstring(std::to_string(is_background_color ? 48 : 38) //
+ ";5;" //
+ std::to_string(index_)); //
case ColorType::TrueColor:
return to_wstring(std::to_string(is_background_color ? 48 : 38) //
+ ";2;" //
+ std::to_string(red_) + ";" //
+ std::to_string(green_) + ";" //
+ std::to_string(blue_)); //
}
return L"";
}
Color::Color() : type_(ColorType::Palette16), index_(Palette16::Default) {}
Color::Color(Palette16 index) : type_(ColorType::Palette16), index_(index) {}
Color::Color(Palette256 index) : type_(ColorType::Palette256), index_(index) {}
Color::Color(uint8_t red, uint8_t green, uint8_t blue)
: type_(ColorType::TrueColor), red_(red), green_(green), blue_(blue) {}
// static
Color Color::RGB(uint8_t red, uint8_t green, uint8_t blue) {
return Color(red, green, blue);
}
// static
Color Color::HSV(uint8_t h, uint8_t s, uint8_t v) {
if (s == 0)
return Color(v, v, v);
uint8_t region = h / 43;
uint8_t remainder = (h - (region * 43)) * 6;
uint8_t p = (v * (255 - s)) >> 8;
uint8_t q = (v * (255 - ((s * remainder) >> 8))) >> 8;
uint8_t t = (v * (255 - ((s * (255 - remainder)) >> 8))) >> 8;
// clang-format off
switch (region) {
case 0: return Color(v,t,p);
case 1: return Color(q,v,p);
case 2: return Color(p,v,t);
case 3: return Color(p,q,v);
case 4: return Color(t,p,v);
case 5: return Color(v,p,q);
}
// clang-format on
return Color(0, 0, 0);
}
} // namespace ftxui
// Copyright 2020 Arthur Sonzogni. All rights reserved.
// Use of this source code is governed by the MIT license that can be found in
// the LICENSE file.

7
src/ftxui/screen/screen.cpp
View File

@@ -85,11 +85,8 @@ void UpdatePixelStyle(std::wstringstream& ss, Pixel& previous, Pixel& next) {
if (next.foreground_color != previous.foreground_color || if (next.foreground_color != previous.foreground_color ||
next.background_color != previous.background_color) { next.background_color != previous.background_color) {
ss << L"\x1B[" + ss << L"\x1B[" + next.foreground_color.Print(false) + L"m";
to_wstring(std::to_string((uint8_t)next.foreground_color)) + L"m"; ss << L"\x1B[" + next.background_color.Print(true) + L"m";
ss << L"\x1B[" +
to_wstring(std::to_string(10 + (uint8_t)next.background_color)) +
L"m";
} }
previous = next; previous = next;

7
src/ftxui/screen/terminal.cpp
View File

@@ -2,6 +2,8 @@
#include <stdio.h> #include <stdio.h>
#include <cstdlib>
#if defined(_WIN32) #if defined(_WIN32)
#define WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN
#define NOMINMAX #define NOMINMAX
@@ -33,6 +35,11 @@ Terminal::Dimensions Terminal::Size() {
#endif #endif
} }
bool Terminal::CanSupportTrueColors() {
std::string COLORTERM = std::getenv("COLORTERM");
return COLORTERM.compare("24bit") || COLORTERM.compare("trueColor");
}
} // namespace ftxui } // namespace ftxui
// Copyright 2020 Arthur Sonzogni. All rights reserved. // Copyright 2020 Arthur Sonzogni. All rights reserved.