#!/bin/sh

set -e

WORKDIR=$(mktemp -d)
trap "rm -rf $WORKDIR" 0 INT QUIT ABRT PIPE TERM
#cd $WORKDIR

cat <<EOF > $WORKDIR/cube.vtp
<?xml version="1.0"?>
  <VTKFile type="PPolyData" version="0.1" byte_order="LittleEndian">
    <PPolyData GhostLevel="0">
      <PPointData Scalars="my_scalars">
        <PDataArray type="Float32" Name="my_scalars"/>
      </PPointData>
        <PCellData Scalars="cell_scalars" Normals="cell_normals">
          <PDataArray type="Int32" Name="cell_scalars"/>
           <PDataArray type="Float32" Name="cell_normals" NumberOfComponents="3"/>
        </PCellData>
        <PPoints>
          <PDataArray type="Float32" NumberOfComponents="3"/>
        </PPoints>
        <Piece Source="polyEx0.vtp"/>
    </PPolyData>
  </VTKFile>
EOF

cat <<EOF > $WORKDIR/polyEx0.vtp
<?xml version="1.0"?>
    <VTKFile type="PolyData" version="0.1" byte_order="LittleEndian">
      <PolyData>
        <Piece NumberOfPoints="8" NumberOfVerts="0" NumberOfLines="0"
               NumberOfStrips="0" NumberOfPolys="6">
        <Points>
          <DataArray type="Float32" NumberOfComponents="3" format="ascii">
            0 0 0 1 0 0 1 1 0 0 1 0 0 0 1 1 0 1 1 1 1 0 1 1
          </DataArray>
        </Points>
        <PointData Scalars="my_scalars">
          <DataArray type="Float32" Name="my_scalars" format="ascii">
            0 1 2 3 4 5 6 7
         </DataArray>
        </PointData>
        <CellData Scalars="cell_scalars" Normals="cell_normals">
          <DataArray type="Int32" Name="cell_scalars" format="ascii">
           0 1 2 3 4 5
          </DataArray>
          <DataArray type="Float32" Name="cell_normals"
                     NumberOfComponents="3" format="ascii">
            0 0 -1 0 0 1 0 -1 0 0 1 0 -1 0 0 1 0 0
          </DataArray>
        </CellData>
        <Polys>
          <DataArray type="Int32" Name="connectivity" format="ascii">
             0 1 2 3 4 5 6 7 0 1 5 4 2 3 7 6 0 4 7 3 1 2 6 5
          </DataArray>
          <DataArray type="Int32" Name="offsets" format="ascii">
             4 8 12 16 20 24
          </DataArray>
        </Polys>
      </Piece>
    </PolyData>
   </VTKFile>
EOF


f3d --no-render $WORKDIR/cube.vtp
#f3d -s --resolution=640,480 --output=~/cube_ref.png cube.vtp
xvfb-run f3d -s --resolution=640,480 --ref=debian/tests/cube_ref.png $WORKDIR/cube.vtp
