ImgCompressor/index.html at master · heicx/ImgCompressor · GitHub

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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width,minimum-scale=1.0,maximum-scale=1.0">
<meta content="yes" name="apple-mobile-web-app-capable">
<meta content="telephone=no" name="format-detection">
<meta content="false" id="twcClient" name="twcClient">
<title></title>
<script type="text/javascript" src="js/libs/jquery.js"></script>
<script type="text/javascript" src="js/exif.js"></script>
<script type="text/javascript" src="js/compress.js"></script>

<script type="text/javascript">
	$(function(){
		var photo = new ImgCompressor("#photoFile", {
			"preview": "#imgPreview",
			"callback": function(data) {
				$("#imgPreview").attr("src", data.images[0]);

			}
		});
	})

</script>

<script type="text/javascript">
  	$(function() {
  		// $("#photoFile").change(function(e) {
  		// 	console.log(new Date().getTime());
  		// 	photoHandle(e.target.files[0]);
  		// 	// var url = window.URL.createObjectURL($(this)[0].files[0]);
  		// 	// console.log(url);
  		// 	// $("#imgPreview").attr("src", url);
  		// });
  	})

  	var photoHandle = function(param) {
  		if(param) {
  			EXIF.getData(param, function() {
  				console.log(EXIF.getTag(this, "Orientation"));

	  			window.URL = window.URL || window.webkitURL;
	  			var url = window.URL.createObjectURL(param);
	  			var canvas = $("<canvas id='img_canvas'></canvas>")[0];
	  			var img = new Image();

	  			img.onload = function() {
	  				var width = this.width;
	  				var height = this.height;

	  				var ctx = canvas.getContext("2d");
	  				canvas.width = width;
	  				canvas.height = height;
	  				ctx.drawImage(img, 0, 0, width, height);
	  				var base64 = canvas.toDataURL("image/jpeg", 3);
	  				canvas.remove();

	  				console.log(base64);
	  				console.log(new Date().getTime());
	  				$("#imgPreview").attr("src", base64);
	  			}

	  			img.src = url;
	  		});
  		}
  	}
</script>
</head>
<body>
	<input type="file" multiple="multiple" id="photoFile"  accept="image/*" />
	<img src="" id="imgPreview" width="480" height="320" style="border:none;" />
</body>
</html>