javascript - browse image and crop it immediately -


first can't find anywhere solution.

i need cropping image before saving it.

when client browse , select u few image, script image automatically show in div. problem want crop image :

example.

image width: 1230px

image height: 670px

i want crop width 670px , show (to 670px 670px)

i have width , height of browse image, want crop , show cropped image.

script :

<script>         function readurl(input) {             for($i = 0;$i < input.files.length;$i++) {                 if (input.files && input.files[$i]) {                     var reader = new filereader();                      reader.onload = function (e) {                         var img = new image;                          img.onload = function() {                             var width = img.width; // image loaded; sizes available                             var height = img.height;                         };                          img.src = reader.result; // data url because called readasdataurl                          div = $(".image-upload");                         $(".image-upload").append("<img id='image-upload' src='"+e.target.result+"' />");                         $("#image-upload").css({                             "width" : "300px",                             "height" : "300px"                         });                     }                     reader.readasdataurl(input.files[$i]);                 }             }         }          $("#files").change(function(){             $(".image-upload").empty();             readurl(this);         }); </script>


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