Can Canvas Elements Be Used as CSS Backgrounds?

Patricia Arquette
Release: 2024-11-16 06:43:02
Original
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<p>Can Canvas Elements Be Used as CSS Backgrounds?

Using as a CSS Background

<p>Question: Is it possible to utilize the element as a background in CSS?

<p>Answer: Yes, it is possible to use as a background in CSS, currently supported by both WebKit and Firefox.

<p>WebKit Support:

<p>Since 2008, WebKit has allowed the use of as a CSS background. Here's an example:

<div>
  <style>
    div {
      background: -webkit-canvas(squares);
      width: 600px;
      height: 600px;
      border: 2px solid black;
    }
  </style>

  <script type="application/x-javascript">
    function draw(w, h) {
      var ctx = document.getCSSCanvasContext("2d", "squares", w, h);

      ctx.fillStyle = "rgb(200, 0, 0)";
      ctx.fillRect(10, 10, 55, 50);

      ctx.fillStyle = "rgba(0, 0, 200, 0.5)";
      ctx.fillRect(30, 30, 55, 50);
    }
  </script>
</div>
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<p>Firefox Support:

<p>Firefox 4 introduced a feature that enables any element (including canvas) to be used as a CSS background:

<p>
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<p>For further details, refer to Mozilla hacks.

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