var _doc = app.activeDocument

_doc.views[0].zoom = 1

var _viewWidth = _doc.views[0].bounds[2] - _doc.views[0].bounds[0]
var _viewHeight = _doc.views[0].bounds[1] - _doc.views[0].bounds[3]

for (var i = 0; i < _doc.pathItems.length; i++) {
    _doc.views[0].centerPoint = [
        _doc.pathItems[i].left + _doc.pathItems[i].width / 2,
        _doc.pathItems[i].top - _doc.pathItems[i].height / 2
    ]

    if (_doc.pathItems[i].width > _doc.pathItems[i].height) {
        _doc.views[0].zoom = _viewWidth / _doc.pathItems[i].width * 0.8
    } else {
        _doc.views[0].zoom = _viewHeight / _doc.pathItems[i].height * 0.8
    }

    alert("�@�ǵ�" + (i+1) + "��")
}