programmes-casiofx92.github.io/dessiner.html at main · programmes-casiofx92/programmes-casiofx92.github.io · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Dessin</title>
  <style>
    #canvas{
      border: 2px solid;
      background-image: url(png.png);
    }
    body{
      margin: 0;
    }
    #lien{
      text-decoration: none;
      font-family: Arial, Helvetica, sans-serif;
      color: black;
      font-size: large;
      padding: 10px;
      background-color: rgb(89, 89, 255);
      border-radius: 5px;
      top: 10px;
      position: relative;
      transition: .3s;
      margin-left: 5px;
    }
    #lien:focus{
      outline: none;
    }
    #lien:hover{
      background-color: rgb(22, 22, 145);
      color: white;
    }
  </style>
  <meta name="robots" content="none">
</head>
<body>

  <canvas id="canvas" width="750" height="300" onmousemove="dessin()"></canvas><br>
  <input type="color" name="" id="color">
  <input type="range" min="2" max="50" value="30" id="taille"
   ><span id="nombre">30</span><br>
   <a href="" id="lien" download="Image magnifique">Télécharger l'image</a>
  <script>
    canvas = document.getElementById('canvas');
    ctx = canvas.getContext('2d');

    var pressed = false;
    canvas.addEventListener('mousedown', function(){
      pressed = true;
    })
    canvas.addEventListener('mouseup', function(){
      pressed = false;
    })
    document.getElementById('taille').oninput = function(){
      document.getElementById('nombre').innerHTML = document.getElementById('taille').value;
    }
    function dessin(){

      if(pressed == true){
        ctx.fillStyle = document.getElementById('color').value;
        var x = event.clientX;
        var y = event.clientY;
        var taille = document.getElementById('taille').value;
        ctx.beginPath();
        ctx.arc(x, y, taille, Math.PI * 2, false);
        ctx.closePath();
        ctx.fill();
      }
    }
    function lien(){
      document.getElementById('lien').href = canvas.toDataURL();
    }
    setInterval(lien, 1);
    setInterval(dessin, 1);
  </script>
</body>
</html>