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examples/dom/color_truecolor_RGB.cpp
// 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> // for hbox, text, bgcolor, operator|, vbox, Elements, window, Element, Fit
#include <ftxui/screen/screen.hpp> // for Full, Screen
#include <memory> // for allocator
#include <utility> // for move
#include "ftxui/dom/node.hpp" // for Render
#include "ftxui/screen/color.hpp" // for Color, ftxui
int main() {
using namespace ftxui;
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(" ") | bgcolor(Color::RGB(v, 0, 0)));
green_line.push_back(text(" ") | bgcolor(Color::RGB(0, v, 0)));
blue_line.push_back(text(" ") | bgcolor(Color::RGB(0, 0, v)));
cyan_line.push_back(text(" ") | bgcolor(Color::RGB(0, v, v)));
magenta_line.push_back(text(" ") | bgcolor(Color::RGB(v, 0, v)));
yellow_line.push_back(text(" ") | bgcolor(Color::RGB(v, v, 0)));
}
auto document = vbox({
window(text("Primary colors"),
vbox({
hbox({text("Red line :"), hbox(std::move(red_line))}),
hbox({text("Green line :"), hbox(std::move(green_line))}),
hbox({text("Blue line :"), hbox(std::move(blue_line))}),
})),
window(text("Secondary colors"),
vbox({
hbox({text("cyan line :"), hbox(std::move(cyan_line))}),
hbox({text("magenta line:"), hbox(std::move(magenta_line))}),
hbox({text("Yellow line :"), hbox(std::move(yellow_line))}),
})),
});
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
screen.Print();
return 0;
}
ftxui::Color::RGB
static Color RGB(uint8_t red, uint8_t green, uint8_t blue)
Build a Color from its RGB representation. https://en.wikipedia.org/wiki/RGB_color_model.
Definition color.cpp:153
ftxui::Screen::Create
static Screen Create(Dimensions dimension)
Create a screen with the given dimension.
Definition screen.cpp:394
color.hpp
elements.hpp
ftxui::Dimension::Fit
Dimensions Fit(Element &, bool extend_beyond_screen=false)
Definition util.cpp:93
ftxui::Dimension::Full
Dimensions Full()
Definition screen.cpp:382
ftxui
Definition animation.hpp:10
ftxui::bgcolor
Decorator bgcolor(Color)
Decorate using a background color.
Definition color.cpp:124
ftxui::window
Element window(Element title, Element content, BorderStyle border=ROUNDED)
Draw window with a title and a border around the element.
Definition border.cpp:507
ftxui::hbox
Element hbox(Elements)
A container displaying elements horizontally one by one.
Definition hbox.cpp:94
ftxui::Elements
std::vector< Element > Elements
Definition elements.hpp:23
ftxui::text
Element text(std::wstring text)
Display a piece of unicode text.
Definition text.cpp:160
ftxui::Render
void Render(Screen &screen, const Element &element)
Display an element on a ftxui::Screen.
Definition node.cpp:88
ftxui::vbox
Element vbox(Elements)
A container displaying elements vertically one by one.
Definition vbox.cpp:96
node.hpp
screen.hpp