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50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
#include <stdio.h> // for getchar
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#include <cmath> // for cos
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#include <ftxui/dom/elements.hpp> // for Fit, canvas, operator|, border, Element
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#include <ftxui/screen/screen.hpp> // for Pixel, Screen
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#include <vector> // for vector, allocator
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#include "ftxui/dom/canvas.hpp" // for Canvas
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#include "ftxui/dom/node.hpp" // for Render
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#include "ftxui/screen/color.hpp" // for Color, Color::Red, Color::Blue, Color::Green, ftxui
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int main() {
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using namespace ftxui;
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auto c = Canvas(100, 100);
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c.DrawText(0, 0, "This is a canvas", [](Pixel& p) {
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p.foreground_color = Color::Red;
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p.underlined = true;
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});
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// Triangle:
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c.DrawPointLine(10, 10, 80, 10, Color::Red);
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c.DrawPointLine(80, 10, 80, 40, Color::Blue);
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c.DrawPointLine(80, 40, 10, 10, Color::Green);
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// Circle, not filled and filled:
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c.DrawPointCircle(30, 50, 20);
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c.DrawPointCircleFilled(40, 40, 10);
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// Plot a function:
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std::vector<int> ys(100);
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for (int x = 0; x < 100; x++)
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ys[x] = int(80 + 20 * cos(x * 0.2));
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for (int x = 0; x < 99; x++)
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c.DrawPointLine(x, ys[x], x + 1, ys[x + 1], Color::Red);
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auto document = canvas(&c) | border;
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auto screen = Screen::Create(Dimension::Fit(document));
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Render(screen, document);
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screen.Print();
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getchar();
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return 0;
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}
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// Copyright 2020 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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