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

47 lines
1.4 KiB
JavaScript

$(function(){
var x = ($('#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");
jQuery("#avatar_original img").Jcrop({
onChange: showPreview,
setSelect: [ x, y, w, h ],
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 = $("#avatar_original img").attr("width");
var img_height = $("#avatar_original img").attr("height");
$('#avatar_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) {
$('#avatar_crop_x').val(c.x);
$('#avatar_crop_y').val(c.y);
$('#avatar_crop_w').val(c.w);
$('#avatar_crop_h').val(c.h);
};
function checkCoords() {
if (parseInt($('#avatar_crop_w').val())) return true;
alert('Please select a crop region then press submit.');
return false;
};