42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
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$(function(){
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jQuery("#photo_original img").Jcrop({
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onChange: showPreview,
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setSelect: [ 0, 0, $("#photo_original img").attr("width"), $("#photo_original img").attr("height") ],
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onSelect: updateCoords,
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aspectRatio: 1,
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boxWidth: 480,
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boxHeight: 480,
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bgColor: '#000',
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bgOpacity: .4
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});
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});
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function showPreview(coords) {
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var rx = 96 / coords.w;
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var ry = 96 / coords.h;
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var img_width = $("#photo_original img").attr("width");
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var img_height = $("#photo_original img").attr("height");
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$('#photo_preview img').css({
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width: Math.round(rx *img_width) + 'px',
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height: Math.round(ry * img_height) + 'px',
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marginLeft: '-' + Math.round(rx * coords.x) + 'px',
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marginTop: '-' + Math.round(ry * coords.y) + 'px'
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});
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};
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function updateCoords(c) {
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$('#photo_crop_x').val(c.x);
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$('#photo_crop_y').val(c.y);
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$('#photo_crop_w').val(c.w);
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$('#photo_crop_h').val(c.h);
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};
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function checkCoords() {
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if (parseInt($('#photo_crop_w').val())) return true;
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alert('Please select a crop region then press submit.');
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return false;
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};
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