* Call hasData instead of get_size to follow ERP5 API
  * call getSizeFromImageDisplay()only once
  * getSizeFromImageDisplay will return default dimension of
    Image itself of display is not inside DEFAULT_DISPLAY_ID_LIST


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@35239 20353a03-c40f-0410-a6d1-a30d3c3de9de