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

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JavaScript
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2009-01-15 08:25:32 +09:00
$(function(){
jQuery("#photo_original img").Jcrop({
onChange: showPreview,
setSelect: [ 0, 0, $("#photo_original img").attr("width"), $("#photo_original img").attr("height") ],
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;
var img_width = $("#photo_original img").attr("width");
var img_height = $("#photo_original img").attr("height");
$('#photo_preview img').css({
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) {
$('#photo_crop_x').val(c.x);
$('#photo_crop_y').val(c.y);
$('#photo_crop_w').val(c.w);
$('#photo_crop_h').val(c.h);
};
function checkCoords() {
if (parseInt($('#photo_crop_w').val())) return true;
alert('Please select a crop region then press submit.');
return false;
};