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e83e90ced2
Based on the existing color decorators, create new ones to apply a gradient effect on the DOM. Co-authored-by: ArthurSonzogni <sonzogniarthur@gmail.com>
57 lines
2.1 KiB
C++
57 lines
2.1 KiB
C++
#include <ftxui/component/component_base.hpp> // for ComponentBase, Component
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#include <ftxui/dom/elements.hpp> // for operator|, Element, flex, bgcolor, text, vbox, center
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#include <ftxui/dom/linear_gradient.hpp> // for LinearGradient
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#include <ftxui/screen/color.hpp> // for Color, Color::Blue, Color::Red
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#include <memory> // for __shared_ptr_access, shared_ptr
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#include <string> // for allocator, operator+, char_traits, string, to_string
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#include "ftxui/component/captured_mouse.hpp" // for ftxui
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#include "ftxui/component/component.hpp" // for Slider, Renderer, Vertical
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#include "ftxui/component/screen_interactive.hpp" // for ScreenInteractive
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int main(int argc, const char* argv[]) {
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using namespace ftxui;
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auto screen = ScreenInteractive::Fullscreen();
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int angle = 180.f;
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float start = 0.f;
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float end = 1.f;
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std::string slider_angle_text;
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std::string slider_start_text;
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std::string slider_end_text;
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auto slider_angle = Slider(&slider_angle_text, &angle, 0, 360);
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auto slider_start = Slider(&slider_start_text, &start, 0.f, 1.f);
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auto slider_end = Slider(&slider_end_text, &end, 0.f, 1.f);
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auto layout = Container::Vertical({
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slider_angle,
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slider_start,
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slider_end,
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});
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auto renderer = Renderer(layout, [&] {
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slider_angle_text = "angle = " + std::to_string(angle) + "°";
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slider_start_text = "start = " + std::to_string(int(start * 100)) + "%";
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slider_end_text = "end = " + std::to_string(int(end * 100)) + "%";
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auto background = text("Gradient") | center |
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bgcolor(LinearGradient()
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.Angle(angle)
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.Stop(Color::Blue, start)
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.Stop(Color::Red, end));
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return vbox({
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background | flex,
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layout->Render(),
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}) |
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flex;
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});
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screen.Loop(renderer);
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}
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// Copyright 2023 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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