Loading...
Searching...
No Matches
inverted.cpp
Go to the documentation of this file.
// 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 <memory> // for make_shared
#include <utility> // for move
#include "ftxui/dom/elements.hpp" // for Element, inverted
#include "ftxui/dom/node.hpp" // for Node
#include "ftxui/dom/node_decorator.hpp" // for NodeDecorator
#include "ftxui/screen/box.hpp" // for Box
#include "ftxui/screen/screen.hpp" // for Pixel, Screen
namespace ftxui {
namespace {
class Inverted : public NodeDecorator {
public:
using NodeDecorator::NodeDecorator;
void Render(Screen& screen) override {
Node::Render(screen);
for (int y = box_.y_min; y <= box_.y_max; ++y) {
for (int x = box_.x_min; x <= box_.x_max; ++x) {
screen.PixelAt(x, y).inverted ^= true;
}
}
}
};
} // namespace
/// @brief Add a filter that will invert the foreground and the background
/// colors.
/// @ingroup dom
Element inverted(Element child) {
return std::make_shared<Inverted>(std::move(child));
}
} // namespace ftxui
box.hpp
ftxui::NodeDecorator
Definition node_decorator.hpp:16
ftxui::NodeDecorator::NodeDecorator
NodeDecorator(Element child)
Definition node_decorator.hpp:18
ftxui::Node::Render
virtual void Render(Screen &screen)
Display an element on a ftxui::Screen.
Definition node.cpp:63
elements.hpp
ftxui
Definition animation.hpp:10
ftxui::Element
std::shared_ptr< Node > Element
Definition elements.hpp:22
ftxui::inverted
Element inverted(Element)
Add a filter that will invert the foreground and the background colors.
Definition inverted.cpp:34
ftxui::Render
void Render(Screen &screen, const Element &element)
Display an element on a ftxui::Screen.
Definition node.cpp:88
node.hpp
node_decorator.hpp
screen.hpp