canvas-6shadow.html-优快云博客

本文展示了如何使用HTML Canvas API在浏览器中绘制具有阴影效果的文本。通过设置Canvas元素的宽高，获取其上下文，然后使用fillText方法并配置阴影属性来实现文本的阴影效果。

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body>
    <canvas id="canvas" style="margin:0 auto;border:1px #ddd solid">
        The current browser does not support Canvas, can replace the browser a try!
    </canvas>

    <script>

        window.onload = function(){
            var canvas = document.getElementById('canvas');

            canvas.width = 1024;
            canvas.height = 768;

            if(canvas.getContext('2d')){
                var context = canvas.getContext('2d');

                context.fillStyle = "#058";
                context.font = "bold 120px Arial";
                context.textAlign = "center";
                context.textBaseline = "middle";
                
                //begin
                context.shadowColor = "gray";
                context.shadowOffsetX = 20;
                context.shadowOffsetY = 20;
                context.shadowBlur = 25;

                context.fillText("Canvas",canvas.width/2,canvas.height/2)

            }else{
                alert('当前游览器不支持Canvas，请更换游览器后再试！');
            }
        }

    </script>
</body>
<script>
    /*阴影

        context.shadowColor

        //偏移坐标
        context.shadowOffsetX
        context.shadowOffsetY
        
        //模糊程度
        context.shadowBlur
        
        
    */
</script>
</html>