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<div id="projectname">FTXUI
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 <span id="projectnumber">5.0.0</span>
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<div id="projectbrief">C++ functional terminal UI.</div>
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<div class="headertitle"><div class="title">examples/dom/canvas.cpp</div></div>
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<div class="fragment"><div class="line"><span class="comment">// Copyright 2020 Arthur Sonzogni. All rights reserved.</span></div>
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<div class="line"><span class="comment">// Use of this source code is governed by the MIT license that can be found in</span></div>
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<div class="line"><span class="comment">// the LICENSE file.</span></div>
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<div class="line"><span class="preprocessor">#include <stdio.h></span> <span class="comment">// for getchar</span></div>
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<div class="line"><span class="preprocessor">#include <cmath></span> <span class="comment">// for cos</span></div>
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<div class="line"><span class="preprocessor">#include <<a class="code" href="elements_8hpp.html">ftxui/dom/elements.hpp</a>></span> <span class="comment">// for Fit, canvas, operator|, border, Element</span></div>
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<div class="line"><span class="preprocessor">#include <<a class="code" href="screen_8hpp.html">ftxui/screen/screen.hpp</a>></span> <span class="comment">// for Pixel, Screen</span></div>
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<div class="line"><span class="preprocessor">#include <vector></span> <span class="comment">// for vector, allocator</span></div>
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<div class="line"> </div>
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<div class="line"><span class="preprocessor">#include "<a class="code" href="canvas_8hpp.html">ftxui/dom/canvas.hpp</a>"</span> <span class="comment">// for Canvas</span></div>
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<div class="line"><span class="preprocessor">#include "<a class="code" href="node_8hpp.html">ftxui/dom/node.hpp</a>"</span> <span class="comment">// for Render</span></div>
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<div class="line"><span class="preprocessor">#include "<a class="code" href="color_8hpp.html">ftxui/screen/color.hpp</a>"</span> <span class="comment">// for Color, Color::Red, Color::Blue, Color::Green, ftxui</span></div>
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<div class="line"> </div>
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<div class="line"><span class="keywordtype">int</span> main() {</div>
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<div class="line"> <span class="keyword">using namespace </span><a class="code hl_namespace" href="namespaceftxui.html">ftxui</a>;</div>
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<div class="line"> </div>
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<div class="line"> <span class="keyword">auto</span> c = <a id="_a0" name="_a0"></a><a class="code hl_struct" href="structftxui_1_1Canvas.html">Canvas</a>(100, 100);</div>
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<div class="line"> </div>
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<div class="line"> c.DrawText(0, 0, <span class="stringliteral">"This is a canvas"</span>, [](<a id="_a1" name="_a1"></a><a class="code hl_struct" href="structftxui_1_1Pixel.html">Pixel</a>& p) {</div>
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<div class="line"> p.<a id="a2" name="a2"></a><a class="code hl_variable" href="structftxui_1_1Pixel.html#a2ce82adc1d02baf22df658b903dcb351">foreground_color</a> = Color::Red;</div>
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<div class="line"> p.<a id="a3" name="a3"></a><a class="code hl_variable" href="structftxui_1_1Pixel.html#a7c8849e8321ea248cd4991ea8ef198eb">underlined</a> = <span class="keyword">true</span>;</div>
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<div class="line"> });</div>
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<div class="line"> </div>
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<div class="line"> <span class="comment">// Triangle:</span></div>
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<div class="line"> c.DrawPointLine(10, 10, 80, 10, Color::Red);</div>
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<div class="line"> c.DrawPointLine(80, 10, 80, 40, Color::Blue);</div>
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<div class="line"> c.DrawPointLine(80, 40, 10, 10, Color::Green);</div>
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<div class="line"> </div>
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<div class="line"> <span class="comment">// Circle, not filled and filled:</span></div>
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<div class="line"> c.DrawPointCircle(30, 50, 20);</div>
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<div class="line"> c.DrawPointCircleFilled(40, 40, 10);</div>
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<div class="line"> </div>
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<div class="line"> <span class="comment">// Plot a function:</span></div>
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<div class="line"> std::vector<int> ys(100);</div>
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<div class="line"> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> x = 0; x < 100; x++)</div>
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<div class="line"> ys[x] = <span class="keywordtype">int</span>(80 + 20 * cos(x * 0.2));</div>
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<div class="line"> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> x = 0; x < 99; x++)</div>
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<div class="line"> c.DrawPointLine(x, ys[x], x + 1, ys[x + 1], Color::Red);</div>
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<div class="line"> </div>
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<div class="line"> <span class="keyword">auto</span> document = canvas(&c) | border;</div>
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<div class="line"> </div>
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<div class="line"> <span class="keyword">auto</span> screen = Screen::Create(Dimension::Fit(document));</div>
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<div class="line"> Render(screen, document);</div>
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<div class="line"> screen.Print();</div>
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<div class="line"> getchar();</div>
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<div class="line"> </div>
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<div class="line"> <span class="keywordflow">return</span> 0;</div>
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<div class="line">}</div>
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<div class="ttc" id="acanvas_8hpp_html"><div class="ttname"><a href="canvas_8hpp.html">canvas.hpp</a></div></div>
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<div class="ttc" id="acolor_8hpp_html"><div class="ttname"><a href="color_8hpp.html">color.hpp</a></div></div>
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<div class="ttc" id="aelements_8hpp_html"><div class="ttname"><a href="elements_8hpp.html">elements.hpp</a></div></div>
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<div class="ttc" id="anamespaceftxui_html"><div class="ttname"><a href="namespaceftxui.html">ftxui</a></div><div class="ttdef"><b>Definition</b> <a href="animation_8hpp_source.html#l00012">animation.hpp:12</a></div></div>
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<div class="ttc" id="anode_8hpp_html"><div class="ttname"><a href="node_8hpp.html">node.hpp</a></div></div>
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<div class="ttc" id="ascreen_8hpp_html"><div class="ttname"><a href="screen_8hpp.html">screen.hpp</a></div></div>
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<div class="ttc" id="astructftxui_1_1Canvas_html"><div class="ttname"><a href="structftxui_1_1Canvas.html">ftxui::Canvas</a></div><div class="ttdef"><b>Definition</b> <a href="canvas_8hpp_source.html#l00023">canvas.hpp:23</a></div></div>
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<div class="ttc" id="astructftxui_1_1Pixel_html"><div class="ttname"><a href="structftxui_1_1Pixel.html">ftxui::Pixel</a></div><div class="ttdoc">A unicode character and its associated style.</div><div class="ttdef"><b>Definition</b> <a href="screen_8hpp_source.html#l00020">screen.hpp:20</a></div></div>
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<div class="ttc" id="astructftxui_1_1Pixel_html_a2ce82adc1d02baf22df658b903dcb351"><div class="ttname"><a href="structftxui_1_1Pixel.html#a2ce82adc1d02baf22df658b903dcb351">ftxui::Pixel::foreground_color</a></div><div class="ttdeci">Color foreground_color</div><div class="ttdef"><b>Definition</b> <a href="screen_8hpp_source.html#l00051">screen.hpp:51</a></div></div>
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<div class="ttc" id="astructftxui_1_1Pixel_html_a7c8849e8321ea248cd4991ea8ef198eb"><div class="ttname"><a href="structftxui_1_1Pixel.html#a7c8849e8321ea248cd4991ea8ef198eb">ftxui::Pixel::underlined</a></div><div class="ttdeci">bool underlined</div><div class="ttdef"><b>Definition</b> <a href="screen_8hpp_source.html#l00036">screen.hpp:36</a></div></div>
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