TYPO3 Gridelements with Flexform-Image

gistfile1.txt

/*
 * TypoScript
 */
# render headline
#tt_content.gridelements_pi1.10 = < lib.stdheader
tt_content.gridelements_pi1.20.10.setup {
  1 < lib.gridelements.defaultGridSetup
  1 {
    columns {
      1 < .default
      1.wrap = <div class="row"><div class="twelve columns">|</div></div>
    }
    wrap = <div class="fullscreen">|</div>
    wrap.override.stdWrap.cObject = COA
    wrap.override.stdWrap.cObject {
      10 = TEXT
      10.value = <div class="fullscreen has-image" style="background-image: url(/
      20 = IMG_RESOURCE
      20 {
        file.import.data = field:flexform_image
      }
      30 = TEXT
      30.value = );">|</div>
    }
    wrap.override.if.isTrue.field = flexform_image
  }
}