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当我修改HTML5画布大小并绘制下一个文本时,文本的纵横比出现偏斜。我不期望这种行为。我究竟做错了什么?当画布大小被修改时html5画布行为
<!DOCTYPE HTML>
<html>
<script src="jquery-ui/js/jquery-1.9.1.js"></script>
<style> canvas{border:1px solid green} </style>
<body>
<canvas id="myCanvas" width="300" height="200"></canvas>
<script>
var canvas = document.getElementById('myCanvas');
var context = canvas.getContext('2d');
var height=200;
var myVar=setInterval(function(){repeat()},1000);
function repeat(){
$('#myCanvas').css("height",height+=50);
$('#myCanvas').css("width",300);
// var canvas = document.getElementById('myCanvas');
// var context = canvas.getContext('2d');
context.font = 'italic 40pt Calibri';
context.fillText("Super test", 40, 100);
}
</script>
http://stackoverflow.com/questions/2588181/canvas-is-stretched-when-using-css-但正常-与宽度高度特性 – Andreas