canvas 에 이미지 띄우기



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");
            
            var img = new Image();
            img.src = "images/testimage.jpg";
            img.onload = function(){
                //이미지의 원하는 부분만 잘라서 그리기
                //drawImage(이미지객체, 
                //        이미지의 왼위 부분x, 이미지의 왼위 부분y, 이미지의 원하는 가로크기, 이미지의 원하는 세로크기,
                //        사각형 부분x, 사각형 부분y, 가로크기, 세로크기)
                //draw.drawImage(img, 100,100, 300,300, 50,50, 250,300);
                
                //전체 이미지 그리기
                //drawImage(이미지객체, 사각형 왼위 x, 사각형 왼위 y, 가로크기, 세로크기)
                draw.drawImage(img, 50,50250,300);
            }
        }
    }
    </script>
</head>
 
<body>
    <canvas id="canvas" width="300px" height="400px"></canvas>
</body>
</html>
cs



결과

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