How to use

setSample

method

in

org.deegree.coverage.raster.data.nio.PixelInterleavedRasterData

private void setSubset( PixelInterleavedRasterData targetData, int x0, int y0, int width, int height,
            RasterData sourceRaster ) {
  // clamp to maximum possible size
  int subWidth = min( targetData.getColumns() - x0, width, sourceRaster.getColumns() );
  int subHeight = min( targetData.getRows() - y0, height, sourceRaster.getRows() );
  byte[] tmp = new byte[targetData.getDataInfo().getDataSize()];
  for ( int y = 0; y < subHeight; y++ ) {
    for ( int x = 0; x < subWidth; x++ ) {
      byte[] color = new byte[3];
      byte[] c = new byte[1];
      c = sourceRaster.getSample( x, y, 0, c );
      color[0] = c[0];
      c = sourceRaster.getSample( x, y, 1, c );
      color[1] = c[0];
      c = sourceRaster.getSample( x, y, 2, c );
      color[2] = c[0];
      if ( !shouldBeTransparent( color ) ) {
        targetData.setSample( x0 + x, y0 + y, 0, sourceRaster.getSample( x, y, 0, tmp ) );
        targetData.setSample( x0 + x, y0 + y, 1, sourceRaster.getSample( x, y, 1, tmp ) );
        targetData.setSample( x0 + x, y0 + y, 2, sourceRaster.getSample( x, y, 2, tmp ) );
      }
    }
  }
}