Method draw_boxes_impl

src/laybasic/laybasic/layRedrawThreadWorker.cc:892–928

}

void
RedrawThreadWorker::draw_boxes_impl (bool drawing_context, db::cell_index_type ci, const db::CplxTrans &trans, const std::vector<db::Box> &redraw_regions, int level, bool for_ghosts)
{
  //  do not draw, if there is nothing to draw
  if (mp_layout->cells () <= ci || redraw_regions.empty ()) {
    return;
  }

  const db::Cell &cell = mp_layout->cell (ci);

  //  we will never come to a valid level ..
  if (! need_draw_box (mp_layout, cell, level, for_ghosts)) {
    return;
  }
  if (cell_var_cached (ci, trans)) {
    return;
  }

  std::unique_ptr<lay::Bitmap> opt_bitmap;

  unsigned int plane_group = 2;
  if (drawing_context) {
    plane_group = 0;
  } else if (m_child_context_enabled && level + 1 > 0) {
    plane_group = 1;
  }

  lay::CanvasPlane *vertex = m_planes[3 + plane_group * (planes_per_layer / 3)];
  lay::Bitmap *vertex_bitmap = dynamic_cast<lay::Bitmap *> (vertex);
  if (vertex_bitmap) {
    opt_bitmap.reset (new lay::Bitmap (vertex_bitmap->width (), vertex_bitmap->height (), vertex_bitmap->resolution (), vertex_bitmap->font_resolution ()));
  }

  for (std::vector<db::Box>::const_iterator b = redraw_regions.begin (); b != redraw_regions.end (); ++b) {
    draw_boxes_impl (drawing_context, ci, trans, *b, level, for_ghosts, opt_bitmap.get ());
  }
}

void
RedrawThreadWorker::draw_boxes_impl (bool drawing_context, db::cell_index_type ci, const db::CplxTrans &trans, const db::Box &redraw_box, int level, bool for_ghosts, lay::Bitmap *opt_bitmap)