HTML Canvas save and restore state

Description

HTML Canvas save and restore state

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<!DOCTYPE html>

<html>
  <head>
    <title>Pushing canvas further</title>
    <meta charset="utf-8">
    //from w  ww .  j a  va2 s .c o  m
    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
    
    <script type="text/javascript">
      $(document).ready(function() {  
        var canvas = $("#myCanvas");
        var context = canvas.get(0).getContext("2d");
        
        context.fillStyle = "rgb(255, 0, 0)";
        context.save(); // Save the canvas state
        context.fillRect(50, 50, 100, 100); // Red square
        
        context.fillStyle = "rgb(0, 0, 255)";
        context.save();
        context.fillRect(200, 50, 100, 100); // Blue square
        
        context.restore(); // Restore the canvas state
        context.fillRect(350, 50, 100, 100); // Blue square
        
        context.restore(); // Restore the canvas state
        context.fillRect(50, 200, 100, 100); // Red square
      });
    </script>
  </head>
  
  <body>
    <canvas id="myCanvas" width="500" height="500">
      <!-- Insert fallback content here -->
    </canvas>
  </body>
</html>



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