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HTML5/CSS3 canvas 클리핑(오려내기)

혁준7519 2017. 7. 15. 13:06

canvas 클리핑(오려내기)



html)

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<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" 
          content="width=device-width, height=device-height, 
                     minimum-scale=1.0, maximum-scale=1.0, initial-scale=1.0">
    <title>Insert title here</title>
    <script type="text/javascript">
    window.onload = function(){
        var canvas = document.getElementById("canvas");
        if(canvas.getContext){
            var draw = canvas.getContext("2d");
            
            draw.beginPath();
            draw.arc(150, 150, 100, 0, Math.PI*2, true);
            draw.lineWidth = 5;
            draw.stroke();
            //clip : 그린 도형 만큼 잘라내서 보여준다
            draw.clip();
            
            var img = new Image();
            img.src = "images/testimage.jpg";
            img.onload = function(){
                draw.drawImage(img, 50, 50, 250, 250);    
            }
        }
    }
    </script>
</head>
 
<body>
    <canvas id="canvas" width="300px" height="400px"></canvas>
</body>
</html>
cs



결과

저작자표시 (새창열림)