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examples/dom/color_gallery.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/screen/color_info.hpp> // for ColorInfo
#include <ftxui/screen/screen.hpp> // for Full, Screen
#include <ftxui/screen/terminal.hpp> // for ColorSupport, Color, Palette16, Palette256, TrueColor
#include <memory> // for allocator, shared_ptr
#include <utility> // for move
#include <vector> // for vector
#include "ftxui/dom/elements.hpp" // for text, bgcolor, color, vbox, hbox, separator, operator|, Elements, Element, Fit, border
#include "ftxui/dom/node.hpp" // for Render
#include "ftxui/screen/color.hpp" // for Color, Color::Black, Color::Blue, Color::BlueLight, Color::Cyan, Color::CyanLight, Color::Default, Color::GrayDark, Color::GrayLight, Color::Green, Color::GreenLight, Color::Magenta, Color::MagentaLight, Color::Red, Color::RedLight, Color::White, Color::Yellow, Color::YellowLight, Color::Palette256, ftxui
using namespace ftxui;
#include "./color_info_sorted_2d.ipp" // for ColorInfoSorted2D
int main() {
// clang-format off
auto basic_color_display =
vbox(
text("16 color palette:"),
separator(),
hbox(
vbox(
color(Color::Default, text("Default")),
color(Color::Black, text("Black")),
color(Color::GrayDark, text("GrayDark")),
color(Color::GrayLight, text("GrayLight")),
color(Color::White, text("White")),
color(Color::Blue, text("Blue")),
color(Color::BlueLight, text("BlueLight")),
color(Color::Cyan, text("Cyan")),
color(Color::CyanLight, text("CyanLight")),
color(Color::Green, text("Green")),
color(Color::GreenLight, text("GreenLight")),
color(Color::Magenta, text("Magenta")),
color(Color::MagentaLight, text("MagentaLight")),
color(Color::Red, text("Red")),
color(Color::RedLight, text("RedLight")),
color(Color::Yellow, text("Yellow")),
color(Color::YellowLight, text("YellowLight"))
),
vbox(
bgcolor(Color::Default, text("Default")),
bgcolor(Color::Black, text("Black")),
bgcolor(Color::GrayDark, text("GrayDark")),
bgcolor(Color::GrayLight, text("GrayLight")),
bgcolor(Color::White, text("White")),
bgcolor(Color::Blue, text("Blue")),
bgcolor(Color::BlueLight, text("BlueLight")),
bgcolor(Color::Cyan, text("Cyan")),
bgcolor(Color::CyanLight, text("CyanLight")),
bgcolor(Color::Green, text("Green")),
bgcolor(Color::GreenLight, text("GreenLight")),
bgcolor(Color::Magenta, text("Magenta")),
bgcolor(Color::MagentaLight, text("MagentaLight")),
bgcolor(Color::Red, text("Red")),
bgcolor(Color::RedLight, text("RedLight")),
bgcolor(Color::Yellow, text("Yellow")),
bgcolor(Color::YellowLight, text("YellowLight"))
)
)
);
// clang-format on
auto palette_256_color_display = text("256 colors palette:");
{
std::vector<std::vector<ColorInfo>> info_columns = ColorInfoSorted2D();
Elements columns;
for (auto& column : info_columns) {
Elements column_elements;
for (auto& it : column) {
column_elements.push_back(
text(" ") | bgcolor(Color(Color::Palette256(it.index_256))));
}
columns.push_back(hbox(std::move(column_elements)));
}
palette_256_color_display = vbox({
palette_256_color_display,
separator(),
vbox(columns),
});
}
// True color display.
auto true_color_display = text("TrueColors: 24bits:");
{
const int max_value = 255;
const int value_increment = 8;
const int hue_increment = 6;
int saturation = max_value;
Elements array;
for (int value = 0; value < max_value; value += 2 * value_increment) {
Elements line;
for (int hue = 0; hue < max_value; hue += hue_increment) {
line.push_back(
text("▀") //
| color(Color::HSV(hue, saturation, value)) //
| bgcolor(Color::HSV(hue, saturation, value + value_increment)));
}
array.push_back(hbox(std::move(line)));
}
true_color_display = vbox({
true_color_display,
separator(),
vbox(std::move(array)),
});
}
auto terminal_info =
vbox({
Terminal::ColorSupport() >= Terminal::Color::Palette16
? text(" 16 color palette support : Yes")
: text(" 16 color palette support : No"),
Terminal::ColorSupport() >= Terminal::Color::Palette256
? text("256 color palette support : Yes")
: text("256 color palette support : No"),
Terminal::ColorSupport() >= Terminal::Color::TrueColor
? text(" True color support : Yes")
: text(" True color support : No"),
}) |
border;
auto document = vbox({hbox({
basic_color_display,
text(" "),
palette_256_color_display,
text(" "),
true_color_display,
}),
terminal_info});
// clang-format on
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
screen.Print();
return 0;
}
ftxui::Color
A class representing terminal colors.
Definition color.hpp:20
ftxui::Color::HSV
static Color HSV(uint8_t hue, uint8_t saturation, uint8_t value)
Build a Color from its HSV representation. https://en.wikipedia.org/wiki/HSL_and_HSV.
Definition color.cpp:207
ftxui::Color::Default
@ Default
Definition color.hpp:48
ftxui::Color::Palette256
Palette256
Definition color.hpp:70
ftxui::Color::RedLight
@ RedLight
Definition color.hpp:61
ftxui::Color::CyanLight
@ CyanLight
Definition color.hpp:66
ftxui::Color::YellowLight
@ YellowLight
Definition color.hpp:63
ftxui::Color::MagentaLight
@ MagentaLight
Definition color.hpp:65
ftxui::Color::GreenLight
@ GreenLight
Definition color.hpp:62
ftxui::Color::Cyan
@ Cyan
Definition color.hpp:58
ftxui::Color::Magenta
@ Magenta
Definition color.hpp:57
ftxui::Color::White
@ White
Definition color.hpp:67
ftxui::Color::Yellow
@ Yellow
Definition color.hpp:55
ftxui::Color::Black
@ Black
Definition color.hpp:52
ftxui::Color::Green
@ Green
Definition color.hpp:54
ftxui::Color::Red
@ Red
Definition color.hpp:53
ftxui::Color::GrayDark
@ GrayDark
Definition color.hpp:60
ftxui::Color::GrayLight
@ GrayLight
Definition color.hpp:59
ftxui::Color::Blue
@ Blue
Definition color.hpp:56
ftxui::Color::BlueLight
@ BlueLight
Definition color.hpp:64
ftxui::Screen::Create
static Screen Create(Dimensions dimension)
Create a screen with the given dimension.
Definition screen.cpp:394
color.hpp
color_info.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::Terminal::TrueColor
@ TrueColor
Definition terminal.hpp:21
ftxui::Terminal::Palette256
@ Palette256
Definition terminal.hpp:20
ftxui::Terminal::Palette16
@ Palette16
Definition terminal.hpp:19
ftxui::Terminal::ColorSupport
Color ColorSupport()
Get the color support of the terminal.
Definition terminal.cpp:130
ftxui
Definition animation.hpp:10
ftxui::bgcolor
Decorator bgcolor(Color)
Decorate using a background color.
Definition color.cpp:124
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::separator
Element separator()
Draw a vertical or horizontal separation in between two other elements.
Definition separator.cpp:134
ftxui::Render
void Render(Screen &screen, const Element &element)
Display an element on a ftxui::Screen.
Definition node.cpp:88
ftxui::border
Element border(Element)
Draw a border around the element.
Definition border.cpp:227
ftxui::color
Decorator color(Color)
Decorate using a foreground color.
Definition color.cpp:110
ftxui::vbox
Element vbox(Elements)
A container displaying elements vertically one by one.
Definition vbox.cpp:96
node.hpp
screen.hpp
terminal.hpp