gnu-social/js/jcrop/jquery.Jcrop.go.js

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$(function(){
var x = ($('#avatar_crop_x').val()) ? $('#avatar_crop_x').val() : 0;
var y = ($('#avatar_crop_y').val()) ? $('#avatar_crop_y').val() : 0;
var w = ($('#avatar_crop_w').val()) ? $('#avatar_crop_w').val() : $("#avatar_original img").attr("width");
var h = ($('#avatar_crop_h').val()) ? $('#avatar_crop_h').val() : $("#avatar_original img").attr("height");
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jQuery("#avatar_original img").Jcrop({
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onChange: showPreview,
setSelect: [ x, y, w, h ],
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onSelect: updateCoords,
aspectRatio: 1,
boxWidth: 480,
boxHeight: 480,
bgColor: '#000',
bgOpacity: .4
});
});
function showPreview(coords) {
var rx = 96 / coords.w;
var ry = 96 / coords.h;
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var img_width = $("#avatar_original img").attr("width");
var img_height = $("#avatar_original img").attr("height");
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$('#avatar_preview img').css({
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width: Math.round(rx *img_width) + 'px',
height: Math.round(ry * img_height) + 'px',
marginLeft: '-' + Math.round(rx * coords.x) + 'px',
marginTop: '-' + Math.round(ry * coords.y) + 'px'
});
};
function updateCoords(c) {
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$('#avatar_crop_x').val(c.x);
$('#avatar_crop_y').val(c.y);
$('#avatar_crop_w').val(c.w);
$('#avatar_crop_h').val(c.h);
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};