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&#160;<span id="projectnumber">6.1.4</span>
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<a href="image_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2020 Arthur Sonzogni. All rights reserved.</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Use of this source code is governed by the MIT license that can be found in</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// the LICENSE file.</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="preprocessor">#include &lt;sstream&gt;</span> <span class="comment">// IWYU pragma: keep</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span> </div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include &quot;<a class="code" href="image_8hpp.html">ftxui/screen/image.hpp</a>&quot;</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#include &quot;<a class="code" href="pixel_8hpp.html">ftxui/screen/pixel.hpp</a>&quot;</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceftxui.html">ftxui</a> {</div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> </div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="keyword">namespace </span>{</div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span>Pixel&amp; dev_null_pixel() {</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">static</span> Pixel pixel;</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> <span class="keywordflow">return</span> pixel;</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span>}</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span>} <span class="comment">// namespace</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="foldopen" id="foldopen00020" data-start="{" data-end="}">
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"><a class="line" href="classftxui_1_1Image.html#aecbd97261c37fa89ea6df7ccaba216c3"> 20</a></span><a class="code hl_function" href="classftxui_1_1Image.html#a7c483c751b9c859ef08cecb32f1d1994">Image::Image</a>(<span class="keywordtype">int</span> dimx, <span class="keywordtype">int</span> dimy)</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> : stencil{0, dimx - 1, 0, dimy - 1},</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> dimx_(dimx),</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> dimy_(dimy),</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> pixels_(dimy, std::vector&lt;<a class="code hl_struct" href="structftxui_1_1Pixel.html">Pixel</a>&gt;(dimx)) {}</div>
</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="comment"></span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="comment">/// @brief Access a character in a cell at a given position.</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="comment">/// @param x The cell position along the x-axis.</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="comment">/// @param y The cell position along the y-axis.</span></div>
<div class="foldopen" id="foldopen00029" data-start="{" data-end="}">
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"><a class="line" href="classftxui_1_1Image.html#a55b0a995463c6936efb33391f29565bc"> 29</a></span><span class="comment"></span>std::string&amp; <a class="code hl_function" href="classftxui_1_1Image.html#a55b0a995463c6936efb33391f29565bc">Image::at</a>(<span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y) {</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classftxui_1_1Image.html#a483f8ee1967e200cfc9e277b3ce00174">PixelAt</a>(x, y).<a class="code hl_variable" href="structftxui_1_1Pixel.html#a3bbcd6a381555ea201dbe4251a9aafb3">character</a>;</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span>}</div>
</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="comment"></span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="comment">/// @brief Access a character in a cell at a given position.</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="comment">/// @param x The cell position along the x-axis.</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="comment">/// @param y The cell position along the y-axis.</span></div>
<div class="foldopen" id="foldopen00036" data-start="{" data-end="}">
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"><a class="line" href="classftxui_1_1Image.html#a0882d58bb8ca1be9953135338456cf9e"> 36</a></span><span class="comment"></span><span class="keyword">const</span> std::string&amp; <a class="code hl_function" href="classftxui_1_1Image.html#a55b0a995463c6936efb33391f29565bc">Image::at</a>(<span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classftxui_1_1Image.html#a483f8ee1967e200cfc9e277b3ce00174">PixelAt</a>(x, y).<a class="code hl_variable" href="structftxui_1_1Pixel.html#a3bbcd6a381555ea201dbe4251a9aafb3">character</a>;</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span>}</div>
</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="comment"></span> </div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="comment">/// @brief Access a cell (Pixel) at a given position.</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="comment">/// @param x The cell position along the x-axis.</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="comment">/// @param y The cell position along the y-axis.</span></div>
<div class="foldopen" id="foldopen00043" data-start="{" data-end="}">
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"><a class="line" href="classftxui_1_1Image.html#a483f8ee1967e200cfc9e277b3ce00174"> 43</a></span><span class="comment"></span><a class="code hl_struct" href="structftxui_1_1Pixel.html">Pixel</a>&amp; <a class="code hl_function" href="classftxui_1_1Image.html#a483f8ee1967e200cfc9e277b3ce00174">Image::PixelAt</a>(<span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y) {</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classftxui_1_1Image.html#a92cacd07ba30909855f19edc01192ff0">stencil</a>.<a class="code hl_function" href="structftxui_1_1Box.html#a2f31c89738607b84e65992a7005d35a9">Contain</a>(x, y) ? <a class="code hl_variable" href="classftxui_1_1Image.html#aeab8c1788b3f2c7403749c3be95a68ae">pixels_</a>[y][x] : dev_null_pixel();</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span>}</div>
</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="comment"></span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="comment">/// @brief Access a cell (Pixel) at a given position.</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="comment">/// @param x The cell position along the x-axis.</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="comment">/// @param y The cell position along the y-axis.</span></div>
<div class="foldopen" id="foldopen00050" data-start="{" data-end="}">
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"><a class="line" href="classftxui_1_1Image.html#a03b2b39bb8f4d72068744776093125b3"> 50</a></span><span class="comment"></span><span class="keyword">const</span> <a class="code hl_struct" href="structftxui_1_1Pixel.html">Pixel</a>&amp; <a class="code hl_function" href="classftxui_1_1Image.html#a483f8ee1967e200cfc9e277b3ce00174">Image::PixelAt</a>(<span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classftxui_1_1Image.html#a92cacd07ba30909855f19edc01192ff0">stencil</a>.<a class="code hl_function" href="structftxui_1_1Box.html#a2f31c89738607b84e65992a7005d35a9">Contain</a>(x, y) ? <a class="code hl_variable" href="classftxui_1_1Image.html#aeab8c1788b3f2c7403749c3be95a68ae">pixels_</a>[y][x] : dev_null_pixel();</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span>}</div>
</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="comment"></span> </div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="comment">/// @brief Clear all the pixel from the screen.</span></div>
<div class="foldopen" id="foldopen00055" data-start="{" data-end="}">
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"><a class="line" href="classftxui_1_1Image.html#aa71d36872f416feaa853788a7a7a7ef8"> 55</a></span><span class="comment"></span><span class="keywordtype">void</span> <a class="code hl_function" href="classftxui_1_1Image.html#aa71d36872f416feaa853788a7a7a7ef8">Image::Clear</a>() {</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span>&amp; line : <a class="code hl_variable" href="classftxui_1_1Image.html#aeab8c1788b3f2c7403749c3be95a68ae">pixels_</a>) {</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span>&amp; cell : line) {</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> cell = <a class="code hl_struct" href="structftxui_1_1Pixel.html">Pixel</a>();</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> }</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> }</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span>}</div>
</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> </div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span>} <span class="comment">// namespace ftxui</span></div>
<div class="ttc" id="aclassftxui_1_1Image_html_a483f8ee1967e200cfc9e277b3ce00174"><div class="ttname"><a href="classftxui_1_1Image.html#a483f8ee1967e200cfc9e277b3ce00174">ftxui::Image::PixelAt</a></div><div class="ttdeci">Pixel &amp; PixelAt(int x, int y)</div><div class="ttdoc">Access a cell (Pixel) at a given position.</div><div class="ttdef"><b>Definition</b> <a href="#l00043">image.cpp:43</a></div></div>
<div class="ttc" id="aclassftxui_1_1Image_html_a55b0a995463c6936efb33391f29565bc"><div class="ttname"><a href="classftxui_1_1Image.html#a55b0a995463c6936efb33391f29565bc">ftxui::Image::at</a></div><div class="ttdeci">std::string &amp; at(int x, int y)</div><div class="ttdoc">Access a character in a cell at a given position.</div><div class="ttdef"><b>Definition</b> <a href="#l00029">image.cpp:29</a></div></div>
<div class="ttc" id="aclassftxui_1_1Image_html_a7c483c751b9c859ef08cecb32f1d1994"><div class="ttname"><a href="classftxui_1_1Image.html#a7c483c751b9c859ef08cecb32f1d1994">ftxui::Image::Image</a></div><div class="ttdeci">Image()=delete</div></div>
<div class="ttc" id="aclassftxui_1_1Image_html_a92cacd07ba30909855f19edc01192ff0"><div class="ttname"><a href="classftxui_1_1Image.html#a92cacd07ba30909855f19edc01192ff0">ftxui::Image::stencil</a></div><div class="ttdeci">Box stencil</div><div class="ttdef"><b>Definition</b> <a href="image_8hpp_source.html#l00038">image.hpp:38</a></div></div>
<div class="ttc" id="aclassftxui_1_1Image_html_aa71d36872f416feaa853788a7a7a7ef8"><div class="ttname"><a href="classftxui_1_1Image.html#aa71d36872f416feaa853788a7a7a7ef8">ftxui::Image::Clear</a></div><div class="ttdeci">void Clear()</div><div class="ttdoc">Clear all the pixel from the screen.</div><div class="ttdef"><b>Definition</b> <a href="#l00055">image.cpp:55</a></div></div>
<div class="ttc" id="aclassftxui_1_1Image_html_aeab8c1788b3f2c7403749c3be95a68ae"><div class="ttname"><a href="classftxui_1_1Image.html#aeab8c1788b3f2c7403749c3be95a68ae">ftxui::Image::pixels_</a></div><div class="ttdeci">std::vector&lt; std::vector&lt; Pixel &gt; &gt; pixels_</div><div class="ttdef"><b>Definition</b> <a href="image_8hpp_source.html#l00043">image.hpp:43</a></div></div>
<div class="ttc" id="aimage_8hpp_html"><div class="ttname"><a href="image_8hpp.html">image.hpp</a></div></div>
<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#l00010">animation.hpp:10</a></div></div>
<div class="ttc" id="apixel_8hpp_html"><div class="ttname"><a href="pixel_8hpp.html">pixel.hpp</a></div></div>
<div class="ttc" id="astructftxui_1_1Box_html_a2f31c89738607b84e65992a7005d35a9"><div class="ttname"><a href="structftxui_1_1Box.html#a2f31c89738607b84e65992a7005d35a9">ftxui::Box::Contain</a></div><div class="ttdeci">bool Contain(int x, int y) const</div><div class="ttdef"><b>Definition</b> <a href="box_8cpp_source.html#l00046">box.cpp:46</a></div></div>
<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="pixel_8hpp_source.html#l00015">pixel.hpp:15</a></div></div>
<div class="ttc" id="astructftxui_1_1Pixel_html_a3bbcd6a381555ea201dbe4251a9aafb3"><div class="ttname"><a href="structftxui_1_1Pixel.html#a3bbcd6a381555ea201dbe4251a9aafb3">ftxui::Pixel::character</a></div><div class="ttdeci">std::string character</div><div class="ttdef"><b>Definition</b> <a href="pixel_8hpp_source.html#l00045">pixel.hpp:45</a></div></div>
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}
const versions = ["main", "v6.1.9", "v6.1.8", "v6.1.7", "v6.1.6", "v6.1.5", "v6.1.4", "v6.1.3", "v6.1.2", "v6.1.1", "v6.1.0", "v6.0.2", "v6.0.1", "v6.0.0", "v5.0.0", "v4.1.1", "v4.1.0", "v4.0.0", "v3.0.0", "v2.0.0", "v0.9", "v0.11", "v0.10"];
const version_paths = {"main": "../../index.html", "v6.1.9": "../v6.1.9/index.html", "v6.1.8": "../v6.1.8/index.html", "v6.1.7": "../v6.1.7/index.html", "v6.1.6": "../v6.1.6/index.html", "v6.1.5": "index.html", "v6.1.4": "../v6.1.4/index.html", "v6.1.3": "../v6.1.3/index.html", "v6.1.2": "../v6.1.2/index.html", "v6.1.1": "../v6.1.1/index.html", "v6.1.0": "../v6.1.0/index.html", "v6.0.2": "../v6.0.2/index.html", "v6.0.1": "../v6.0.1/index.html", "v6.0.0": "../v6.0.0/index.html", "v5.0.0": "../v5.0.0/index.html", "v4.1.1": "../v4.1.1/index.html", "v4.1.0": "../v4.1.0/index.html", "v4.0.0": "../v4.0.0/index.html", "v3.0.0": "../v3.0.0/index.html", "v2.0.0": "../v2.0.0/index.html", "v0.9": "../v0.9/index.html", "v0.11": "../v0.11/index.html", "v0.10": "../v0.10/index.html"};
const currentVersion = "v6.1.5";
// Sort versions: 'main' first, then others numerically descending.
versions.sort((a, b) => {
if (a === 'main') return -1;
if (b === 'main') return 1;
return b.localeCompare(a, undefined, { numeric: true, sensitivity: 'base' });
});
const select = document.createElement('select');
select.onchange = function() {
const selectedVersion = this.value;
// Navigate directly to the pre-calculated relative path.
if (selectedVersion !== currentVersion) {
window.location.href = version_paths[selectedVersion];
}
};
versions.forEach(v => {
const option = document.createElement('option');
option.value = v;
option.textContent = v;
if (v === currentVersion) {
option.selected = true;
}
select.appendChild(option);
});
// Replace the Doxygen project number element with our dropdown.
projectNumber.replaceWith(select);
// Apply some styling to make it look good.
Object.assign(select.style, {
backgroundColor: 'rgba(0, 0, 0, 0.8)',
color: 'white',
border: '1px solid rgba(255, 255, 255, 0.2)',
padding: '5px',
borderRadius: '5px',
fontSize: '14px',
fontFamily: 'inherit',
marginLeft: '10px',
cursor: 'pointer'
});
});
</script>
</body>
</html>