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    <title>DEV Community: JMArts Design</title>
    <description>The latest articles on DEV Community by JMArts Design (@jmartsdesign).</description>
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      <title>[Boost]</title>
      <dc:creator>JMArts Design</dc:creator>
      <pubDate>Sun, 11 Jan 2026 23:55:21 +0000</pubDate>
      <link>https://dev.to/jmartsdesign/-1n8k</link>
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      &lt;h2&gt;Serpentine Plotter: A Free Web-Based SVG Generator for Beautiful Generative Art&lt;/h2&gt;
      &lt;h3&gt;Jawhar Kodadi ・ Apr 2 '25&lt;/h3&gt;
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        &lt;span class="ltag__link__tag"&gt;#art&lt;/span&gt;
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      <title>[Boost]</title>
      <dc:creator>JMArts Design</dc:creator>
      <pubDate>Mon, 30 Dec 2024 09:37:38 +0000</pubDate>
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    <item>
      <title>Image to ASCII</title>
      <dc:creator>JMArts Design</dc:creator>
      <pubDate>Sun, 07 Jul 2024 01:23:17 +0000</pubDate>
      <link>https://dev.to/jmartsdesign/image-to-ascii-mk3</link>
      <guid>https://dev.to/jmartsdesign/image-to-ascii-mk3</guid>
      <description>&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F6ns6jc2tm4ro9xju1z5k.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F6ns6jc2tm4ro9xju1z5k.png" alt="Screen do processing" width="800" height="652"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Esse código é uma implementação de arte ASCII em Processing, que converte uma imagem em numa representação de caracteres ASCII. Vamos comparar esse código com a versão em Processing e explicá-lo em detalhes:&lt;/p&gt;

&lt;h2&gt;
  
  
  Código em Processing
&lt;/h2&gt;

&lt;p&gt;O código em Processing seria muito semelhante, com algumas diferenças sintáticas e de API. Aqui está uma versão equivalente em Processing:&lt;/p&gt;

&lt;p&gt;Processing Code&lt;/p&gt;
&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight java"&gt;&lt;code&gt;&lt;span class="nc"&gt;PImage&lt;/span&gt; &lt;span class="n"&gt;img&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt;
&lt;span class="kt"&gt;int&lt;/span&gt; &lt;span class="n"&gt;cellSize&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="mi"&gt;8&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt; &lt;span class="c1"&gt;// Tamanho da célula ASCII&lt;/span&gt;

&lt;span class="kt"&gt;void&lt;/span&gt; &lt;span class="nf"&gt;preload&lt;/span&gt;&lt;span class="o"&gt;()&lt;/span&gt; &lt;span class="o"&gt;{&lt;/span&gt;
  &lt;span class="c1"&gt;// Carrega a imagem antes do setup&lt;/span&gt;
  &lt;span class="n"&gt;img&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="n"&gt;loadImage&lt;/span&gt;&lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="s"&gt;"example.jpg"&lt;/span&gt;&lt;span class="o"&gt;);&lt;/span&gt;
&lt;span class="o"&gt;}&lt;/span&gt;

&lt;span class="kt"&gt;void&lt;/span&gt; &lt;span class="nf"&gt;setup&lt;/span&gt;&lt;span class="o"&gt;()&lt;/span&gt; &lt;span class="o"&gt;{&lt;/span&gt;
  &lt;span class="n"&gt;size&lt;/span&gt;&lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="mi"&gt;1024&lt;/span&gt;&lt;span class="o"&gt;,&lt;/span&gt; &lt;span class="mi"&gt;1024&lt;/span&gt;&lt;span class="o"&gt;);&lt;/span&gt;
  &lt;span class="n"&gt;textSize&lt;/span&gt;&lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="n"&gt;cellSize&lt;/span&gt;&lt;span class="o"&gt;);&lt;/span&gt;
  &lt;span class="n"&gt;fill&lt;/span&gt;&lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="mi"&gt;255&lt;/span&gt;&lt;span class="o"&gt;);&lt;/span&gt; &lt;span class="c1"&gt;// Define a cor do texto como branco&lt;/span&gt;
&lt;span class="o"&gt;}&lt;/span&gt;

&lt;span class="kt"&gt;void&lt;/span&gt; &lt;span class="nf"&gt;draw&lt;/span&gt;&lt;span class="o"&gt;()&lt;/span&gt; &lt;span class="o"&gt;{&lt;/span&gt;
  &lt;span class="n"&gt;background&lt;/span&gt;&lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="mi"&gt;0&lt;/span&gt;&lt;span class="o"&gt;);&lt;/span&gt;

  &lt;span class="k"&gt;if&lt;/span&gt; &lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="n"&gt;img&lt;/span&gt; &lt;span class="o"&gt;!=&lt;/span&gt; &lt;span class="kc"&gt;null&lt;/span&gt;&lt;span class="o"&gt;)&lt;/span&gt; &lt;span class="o"&gt;{&lt;/span&gt;
    &lt;span class="n"&gt;img&lt;/span&gt;&lt;span class="o"&gt;.&lt;/span&gt;&lt;span class="na"&gt;filter&lt;/span&gt;&lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="no"&gt;GRAY&lt;/span&gt;&lt;span class="o"&gt;);&lt;/span&gt;

    &lt;span class="n"&gt;pushMatrix&lt;/span&gt;&lt;span class="o"&gt;();&lt;/span&gt;
    &lt;span class="n"&gt;scale&lt;/span&gt;&lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="mf"&gt;1.0&lt;/span&gt; &lt;span class="o"&gt;*&lt;/span&gt; &lt;span class="n"&gt;width&lt;/span&gt; &lt;span class="o"&gt;/&lt;/span&gt; &lt;span class="n"&gt;img&lt;/span&gt;&lt;span class="o"&gt;.&lt;/span&gt;&lt;span class="na"&gt;width&lt;/span&gt;&lt;span class="o"&gt;,&lt;/span&gt; &lt;span class="mf"&gt;1.0&lt;/span&gt; &lt;span class="o"&gt;*&lt;/span&gt; &lt;span class="n"&gt;height&lt;/span&gt; &lt;span class="o"&gt;/&lt;/span&gt; &lt;span class="n"&gt;img&lt;/span&gt;&lt;span class="o"&gt;.&lt;/span&gt;&lt;span class="na"&gt;height&lt;/span&gt;&lt;span class="o"&gt;);&lt;/span&gt;

    &lt;span class="k"&gt;for&lt;/span&gt; &lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="kt"&gt;int&lt;/span&gt; &lt;span class="n"&gt;x&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="mi"&gt;0&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt; &lt;span class="n"&gt;x&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;lt&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt; &lt;span class="n"&gt;img&lt;/span&gt;&lt;span class="o"&gt;.&lt;/span&gt;&lt;span class="na"&gt;width&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt; &lt;span class="n"&gt;x&lt;/span&gt; &lt;span class="o"&gt;+=&lt;/span&gt; &lt;span class="n"&gt;cellSize&lt;/span&gt;&lt;span class="o"&gt;)&lt;/span&gt; &lt;span class="o"&gt;{&lt;/span&gt;
      &lt;span class="k"&gt;for&lt;/span&gt; &lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="kt"&gt;int&lt;/span&gt; &lt;span class="n"&gt;y&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="mi"&gt;0&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt; &lt;span class="n"&gt;y&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;lt&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt; &lt;span class="n"&gt;img&lt;/span&gt;&lt;span class="o"&gt;.&lt;/span&gt;&lt;span class="na"&gt;height&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt; &lt;span class="n"&gt;y&lt;/span&gt; &lt;span class="o"&gt;+=&lt;/span&gt; &lt;span class="n"&gt;cellSize&lt;/span&gt;&lt;span class="o"&gt;)&lt;/span&gt; &lt;span class="o"&gt;{&lt;/span&gt;
        &lt;span class="n"&gt;color&lt;/span&gt; &lt;span class="n"&gt;c&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="n"&gt;img&lt;/span&gt;&lt;span class="o"&gt;.&lt;/span&gt;&lt;span class="na"&gt;get&lt;/span&gt;&lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="n"&gt;x&lt;/span&gt;&lt;span class="o"&gt;,&lt;/span&gt; &lt;span class="n"&gt;y&lt;/span&gt;&lt;span class="o"&gt;);&lt;/span&gt;
        &lt;span class="kt"&gt;float&lt;/span&gt; &lt;span class="n"&gt;gray&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="n"&gt;brightness&lt;/span&gt;&lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="n"&gt;c&lt;/span&gt;&lt;span class="o"&gt;);&lt;/span&gt;

        &lt;span class="kt"&gt;char&lt;/span&gt; &lt;span class="n"&gt;asciiChar&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="n"&gt;getASCIIChar&lt;/span&gt;&lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="n"&gt;gray&lt;/span&gt;&lt;span class="o"&gt;);&lt;/span&gt;
        &lt;span class="n"&gt;text&lt;/span&gt;&lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="n"&gt;asciiChar&lt;/span&gt;&lt;span class="o"&gt;,&lt;/span&gt; &lt;span class="n"&gt;x&lt;/span&gt;&lt;span class="o"&gt;,&lt;/span&gt; &lt;span class="n"&gt;y&lt;/span&gt; &lt;span class="o"&gt;+&lt;/span&gt; &lt;span class="n"&gt;cellSize&lt;/span&gt;&lt;span class="o"&gt;);&lt;/span&gt;
      &lt;span class="o"&gt;}&lt;/span&gt;
    &lt;span class="o"&gt;}&lt;/span&gt;

    &lt;span class="n"&gt;popMatrix&lt;/span&gt;&lt;span class="o"&gt;();&lt;/span&gt;
  &lt;span class="o"&gt;}&lt;/span&gt;
&lt;span class="o"&gt;}&lt;/span&gt;

&lt;span class="kt"&gt;char&lt;/span&gt; &lt;span class="nf"&gt;getASCIIChar&lt;/span&gt;&lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="kt"&gt;float&lt;/span&gt; &lt;span class="n"&gt;gray&lt;/span&gt;&lt;span class="o"&gt;)&lt;/span&gt; &lt;span class="o"&gt;{&lt;/span&gt;
  &lt;span class="k"&gt;if&lt;/span&gt; &lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="n"&gt;gray&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;gt&lt;/span&gt;&lt;span class="o"&gt;;=&lt;/span&gt; &lt;span class="mi"&gt;0&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;amp&lt;/span&gt;&lt;span class="o"&gt;;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;amp&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt; &lt;span class="n"&gt;gray&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;lt&lt;/span&gt;&lt;span class="o"&gt;;=&lt;/span&gt; &lt;span class="mi"&gt;25&lt;/span&gt;&lt;span class="o"&gt;)&lt;/span&gt; &lt;span class="o"&gt;{&lt;/span&gt;
    &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="sc"&gt;'M'&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt;
  &lt;span class="o"&gt;}&lt;/span&gt; &lt;span class="k"&gt;else&lt;/span&gt; &lt;span class="k"&gt;if&lt;/span&gt; &lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="n"&gt;gray&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;gt&lt;/span&gt;&lt;span class="o"&gt;;=&lt;/span&gt; &lt;span class="mi"&gt;26&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;amp&lt;/span&gt;&lt;span class="o"&gt;;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;amp&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt; &lt;span class="n"&gt;gray&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;lt&lt;/span&gt;&lt;span class="o"&gt;;=&lt;/span&gt; &lt;span class="mi"&gt;50&lt;/span&gt;&lt;span class="o"&gt;)&lt;/span&gt; &lt;span class="o"&gt;{&lt;/span&gt;
    &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="sc"&gt;'$'&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt;
  &lt;span class="o"&gt;}&lt;/span&gt; &lt;span class="k"&gt;else&lt;/span&gt; &lt;span class="k"&gt;if&lt;/span&gt; &lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="n"&gt;gray&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;gt&lt;/span&gt;&lt;span class="o"&gt;;=&lt;/span&gt; &lt;span class="mi"&gt;51&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;amp&lt;/span&gt;&lt;span class="o"&gt;;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;amp&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt; &lt;span class="n"&gt;gray&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;lt&lt;/span&gt;&lt;span class="o"&gt;;=&lt;/span&gt; &lt;span class="mi"&gt;76&lt;/span&gt;&lt;span class="o"&gt;)&lt;/span&gt; &lt;span class="o"&gt;{&lt;/span&gt;
    &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="sc"&gt;'o'&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt;
  &lt;span class="o"&gt;}&lt;/span&gt; &lt;span class="k"&gt;else&lt;/span&gt; &lt;span class="k"&gt;if&lt;/span&gt; &lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="n"&gt;gray&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;gt&lt;/span&gt;&lt;span class="o"&gt;;=&lt;/span&gt; &lt;span class="mi"&gt;77&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;amp&lt;/span&gt;&lt;span class="o"&gt;;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;amp&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt; &lt;span class="n"&gt;gray&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;lt&lt;/span&gt;&lt;span class="o"&gt;;=&lt;/span&gt; &lt;span class="mi"&gt;102&lt;/span&gt;&lt;span class="o"&gt;)&lt;/span&gt; &lt;span class="o"&gt;{&lt;/span&gt;
    &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="sc"&gt;'|'&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt;
  &lt;span class="o"&gt;}&lt;/span&gt; &lt;span class="k"&gt;else&lt;/span&gt; &lt;span class="k"&gt;if&lt;/span&gt; &lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="n"&gt;gray&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;gt&lt;/span&gt;&lt;span class="o"&gt;;=&lt;/span&gt; &lt;span class="mi"&gt;103&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;amp&lt;/span&gt;&lt;span class="o"&gt;;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;amp&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt; &lt;span class="n"&gt;gray&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;lt&lt;/span&gt;&lt;span class="o"&gt;;=&lt;/span&gt; &lt;span class="mi"&gt;127&lt;/span&gt;&lt;span class="o"&gt;)&lt;/span&gt; &lt;span class="o"&gt;{&lt;/span&gt;
    &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="sc"&gt;'*'&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt;
  &lt;span class="o"&gt;}&lt;/span&gt; &lt;span class="k"&gt;else&lt;/span&gt; &lt;span class="k"&gt;if&lt;/span&gt; &lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="n"&gt;gray&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;gt&lt;/span&gt;&lt;span class="o"&gt;;=&lt;/span&gt; &lt;span class="mi"&gt;128&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;amp&lt;/span&gt;&lt;span class="o"&gt;;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;amp&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt; &lt;span class="n"&gt;gray&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;lt&lt;/span&gt;&lt;span class="o"&gt;;=&lt;/span&gt; &lt;span class="mi"&gt;152&lt;/span&gt;&lt;span class="o"&gt;)&lt;/span&gt; &lt;span class="o"&gt;{&lt;/span&gt;
    &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="sc"&gt;':'&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt;
  &lt;span class="o"&gt;}&lt;/span&gt; &lt;span class="k"&gt;else&lt;/span&gt; &lt;span class="k"&gt;if&lt;/span&gt; &lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="n"&gt;gray&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;gt&lt;/span&gt;&lt;span class="o"&gt;;=&lt;/span&gt; &lt;span class="mi"&gt;153&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;amp&lt;/span&gt;&lt;span class="o"&gt;;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;amp&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt; &lt;span class="n"&gt;gray&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;lt&lt;/span&gt;&lt;span class="o"&gt;;=&lt;/span&gt; &lt;span class="mi"&gt;178&lt;/span&gt;&lt;span class="o"&gt;)&lt;/span&gt; &lt;span class="o"&gt;{&lt;/span&gt;
    &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="sc"&gt;'\''&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt;
  &lt;span class="o"&gt;}&lt;/span&gt; &lt;span class="k"&gt;else&lt;/span&gt; &lt;span class="k"&gt;if&lt;/span&gt; &lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="n"&gt;gray&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;gt&lt;/span&gt;&lt;span class="o"&gt;;=&lt;/span&gt; &lt;span class="mi"&gt;179&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;amp&lt;/span&gt;&lt;span class="o"&gt;;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;amp&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt; &lt;span class="n"&gt;gray&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&lt;/span&gt;&lt;span class="n"&gt;lt&lt;/span&gt;&lt;span class="o"&gt;;=&lt;/span&gt; &lt;span class="mi"&gt;204&lt;/span&gt;&lt;span class="o"&gt;)&lt;/span&gt; &lt;span class="o"&gt;{&lt;/span&gt;
    &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="sc"&gt;'.'&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt;
  &lt;span class="o"&gt;}&lt;/span&gt; &lt;span class="k"&gt;else&lt;/span&gt; &lt;span class="o"&gt;{&lt;/span&gt;
    &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="sc"&gt;' '&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt;
  &lt;span class="o"&gt;}&lt;/span&gt;
&lt;span class="o"&gt;}&lt;/span&gt;

&lt;span class="kt"&gt;void&lt;/span&gt; &lt;span class="nf"&gt;keyPressed&lt;/span&gt;&lt;span class="o"&gt;()&lt;/span&gt; &lt;span class="o"&gt;{&lt;/span&gt;
  &lt;span class="k"&gt;if&lt;/span&gt; &lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="n"&gt;key&lt;/span&gt; &lt;span class="o"&gt;==&lt;/span&gt; &lt;span class="sc"&gt;'s'&lt;/span&gt;&lt;span class="o"&gt;)&lt;/span&gt; &lt;span class="o"&gt;{&lt;/span&gt;
    &lt;span class="n"&gt;saveASCIIArt&lt;/span&gt;&lt;span class="o"&gt;();&lt;/span&gt; &lt;span class="c1"&gt;// Salvar a imagem ASCII art&lt;/span&gt;
  &lt;span class="o"&gt;}&lt;/span&gt; &lt;span class="k"&gt;else&lt;/span&gt; &lt;span class="k"&gt;if&lt;/span&gt; &lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="n"&gt;key&lt;/span&gt; &lt;span class="o"&gt;==&lt;/span&gt; &lt;span class="sc"&gt;'r'&lt;/span&gt;&lt;span class="o"&gt;)&lt;/span&gt; &lt;span class="o"&gt;{&lt;/span&gt;
    &lt;span class="n"&gt;img&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="kc"&gt;null&lt;/span&gt;&lt;span class="o"&gt;;&lt;/span&gt; &lt;span class="c1"&gt;// Limpar a imagem para começar de novo&lt;/span&gt;
  &lt;span class="o"&gt;}&lt;/span&gt;
&lt;span class="o"&gt;}&lt;/span&gt;

&lt;span class="kt"&gt;void&lt;/span&gt; &lt;span class="nf"&gt;saveASCIIArt&lt;/span&gt;&lt;span class="o"&gt;()&lt;/span&gt; &lt;span class="o"&gt;{&lt;/span&gt;
  &lt;span class="n"&gt;saveCanvas&lt;/span&gt;&lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="s"&gt;"ascii-art"&lt;/span&gt;&lt;span class="o"&gt;,&lt;/span&gt; &lt;span class="s"&gt;"png"&lt;/span&gt;&lt;span class="o"&gt;);&lt;/span&gt;
  &lt;span class="n"&gt;println&lt;/span&gt;&lt;span class="o"&gt;(&lt;/span&gt;&lt;span class="s"&gt;"ASCII art saved as image."&lt;/span&gt;&lt;span class="o"&gt;);&lt;/span&gt;
&lt;span class="o"&gt;}&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;
&lt;p&gt;As principais diferenças entre o código em Processing e o código em JavaScript (P5.js) são:&lt;/p&gt;

&lt;ol&gt;
&lt;li&gt;
&lt;strong&gt;Sintaxe e Nomenclatura&lt;/strong&gt;: O código em Processing usa a sintaxe e a nomenclatura da linguagem Java, enquanto o código em P5.js usa a sintaxe e a nomenclatura do JavaScript.&lt;/li&gt;
&lt;li&gt;
&lt;strong&gt;Declaração de Variáveis&lt;/strong&gt;: Em Processing, as variáveis são declaradas usando o tipo de dado (como &lt;code&gt;PImage&lt;/code&gt; para imagens), enquanto em P5.js, as variáveis são declaradas usando &lt;code&gt;let&lt;/code&gt;.&lt;/li&gt;
&lt;li&gt;
&lt;strong&gt;Funções&lt;/strong&gt;: Em Processing, as funções são definidas usando a palavra-chave &lt;code&gt;void&lt;/code&gt; ou o tipo de retorno, enquanto em P5.js, as funções são definidas usando a sintaxe de função do JavaScript.&lt;/li&gt;
&lt;li&gt;
&lt;strong&gt;Chamadas de Função&lt;/strong&gt;: Em Processing, as funções são chamadas usando o nome da função seguido de parênteses, como &lt;code&gt;loadImage()&lt;/code&gt; e &lt;code&gt;text()&lt;/code&gt;. Em P5.js, as funções são chamadas da mesma maneira, mas a sintaxe é ligeiramente diferente, como &lt;code&gt;loadImage()&lt;/code&gt; e &lt;code&gt;text()&lt;/code&gt;.&lt;/li&gt;
&lt;li&gt;
&lt;strong&gt;Constantes&lt;/strong&gt;: Em Processing, as constantes são definidas usando &lt;code&gt;final&lt;/code&gt;, como &lt;code&gt;GRAY&lt;/code&gt;. Em P5.js, as constantes são acessadas diretamente, como &lt;code&gt;GRAY&lt;/code&gt;.&lt;/li&gt;
&lt;/ol&gt;

&lt;p&gt;Apesar dessas diferenças sintáticas, o fluxo de execução e a lógica do programa são muito semelhantes entre as duas versões. Ambas carregam uma imagem, convertem-na em tons de cinza, percorrem a imagem célula por célula e exibem os caracteres ASCII correspondentes no canvas.&lt;/p&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fnljo9abjza9h8sif4pnm.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fnljo9abjza9h8sif4pnm.png" alt="Image ASCII" width="800" height="634"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;h2&gt;
  
  
  Explicação do Código
&lt;/h2&gt;

&lt;p&gt;O código em Processing e o código em P5.js realizam as mesmas tarefas, com algumas diferenças de sintaxe e API. Vamos explicar o código passo a passo:&lt;/p&gt;

&lt;ol&gt;
&lt;li&gt;&lt;p&gt;&lt;strong&gt;Declaração de Variáveis&lt;/strong&gt;: Ambos os códigos declaram uma variável para armazenar a imagem (&lt;code&gt;img&lt;/code&gt;) e uma variável para definir o tamanho da célula ASCII (&lt;code&gt;cellSize&lt;/code&gt;).&lt;/p&gt;&lt;/li&gt;
&lt;li&gt;&lt;p&gt;&lt;strong&gt;Função &lt;code&gt;preload()&lt;/code&gt;&lt;/strong&gt;: Essa função é chamada antes do &lt;code&gt;setup()&lt;/code&gt; e carrega a imagem &lt;code&gt;example.jpg&lt;/code&gt; antes que o programa seja executado.&lt;/p&gt;&lt;/li&gt;
&lt;li&gt;&lt;p&gt;&lt;strong&gt;Função &lt;code&gt;setup()&lt;/code&gt;&lt;/strong&gt;: Essa função é chamada uma vez, no início do programa. Ela cria um canvas de 1024x1024 pixels, define o tamanho do texto para o tamanho da célula ASCII e define a cor do texto como branco.&lt;/p&gt;&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;&lt;strong&gt;Função &lt;code&gt;draw()&lt;/code&gt;&lt;/strong&gt;: Essa função é chamada repetidamente, a cada quadro. Ela:&lt;/p&gt;

&lt;ul&gt;
&lt;li&gt;Define o fundo como preto.&lt;/li&gt;
&lt;li&gt;Verifica se a imagem foi carregada.&lt;/li&gt;
&lt;li&gt;Converte a imagem para tons de cinza.&lt;/li&gt;
&lt;li&gt;Dimensiona a imagem para preencher todo o canvas.&lt;/li&gt;
&lt;li&gt;Percorre a imagem célula por célula.&lt;/li&gt;
&lt;li&gt;Para cada célula, obtém o valor de brilho (escala de cinza) e usa a função &lt;code&gt;getASCIIChar()&lt;/code&gt; para obter o caractere ASCII correspondente.&lt;/li&gt;
&lt;li&gt;Exibe o caractere ASCII no canvas.&lt;/li&gt;
&lt;/ul&gt;
&lt;/li&gt;
&lt;li&gt;&lt;p&gt;&lt;strong&gt;Função &lt;code&gt;getASCIIChar(gray)&lt;/code&gt;&lt;/strong&gt;: Essa função recebe um valor de brilho (escala de cinza) e retorna o caractere ASCII correspondente, com base em um conjunto de intervalos predefinidos.&lt;/p&gt;&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;&lt;strong&gt;Função &lt;code&gt;keyPressed()&lt;/code&gt;&lt;/strong&gt;: Essa função é chamada quando uma tecla é pressionada. Ela verifica se a tecla pressionada é 's' ou 'r':&lt;/p&gt;

&lt;ul&gt;
&lt;li&gt;Se for 's', ela chama a função &lt;code&gt;saveASCIIArt()&lt;/code&gt; para salvar a imagem ASCII art.&lt;/li&gt;
&lt;li&gt;Se for 'r', ela define a variável &lt;code&gt;img&lt;/code&gt; como &lt;code&gt;null&lt;/code&gt;, limpando a imagem para que o usuário possa começar de novo.&lt;/li&gt;
&lt;/ul&gt;
&lt;/li&gt;
&lt;li&gt;&lt;p&gt;&lt;strong&gt;Função &lt;code&gt;saveASCIIArt()&lt;/code&gt;&lt;/strong&gt;: Essa função salva o canvas atual como uma imagem PNG com o nome 'ascii-art' e registra uma mensagem no console.&lt;/p&gt;&lt;/li&gt;
&lt;/ol&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fg356yzq6m5gyuq3f674z.jpg" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fg356yzq6m5gyuq3f674z.jpg" alt="Image exemplo" width="800" height="675"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Embora haja algumas diferenças sintáticas entre o código em Processing e o código em P5.js, a lógica e o fluxo de execução são muito semelhantes. Ambos os códigos convertem uma imagem em uma representação de caracteres ASCII e permitem que o usuário salve a imagem ASCII art.&lt;/p&gt;

&lt;p&gt;Sketch em &lt;a href="https://openprocessing.org/user/343550?view=sketches&amp;amp;o=34" rel="noopener noreferrer"&gt;openprocessing.org&lt;/a&gt; - &lt;br&gt;
&lt;a href="https://openprocessing.org/sketch/2312114" rel="noopener noreferrer"&gt;Image to ASCII&lt;br&gt;
&lt;/a&gt;&lt;/p&gt;

</description>
      <category>javascript</category>
      <category>openprocessing</category>
      <category>programming</category>
      <category>beginners</category>
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