HTML5 canvas中如何绘制图像-木庄网络博客

本文摘自PHP中文网，作者不言，侵删。

canvas是HTML5中新增的画布，那么HTML5 canvas如何绘制图像呢？本篇文章就来给大家介绍关于HTML5 canvas绘制图像的方法，下面我们来看具体的内容。

HTML5 canvas

我们先来直接看代码示例

<!DOCTYPE html>
<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <title></title>
  <meta charset="utf-8" />
  <script type="text/javascript">
    function draw() {
      var canvas = document.getElementById('SimpleCanvas');
      if (!canvas || !canvas.getContext) {
        return false;
      }
      var context = canvas.getContext('2d');
      var img = new Image();
      img.onload = function onImageLoad() {
        context.drawImage(img, 128, 40);
      }
      img.src = 'img/flower.jpg';
    }
  </script>
</head>
<body onload="draw()" style="background-color:#D0D0D0;">
  <canvas id="SimpleCanvas" width="640" height="480" style="background-color:#FFFFFF;"></canvas>
  <div>Canvas Demo</div>
</body>
</html>