Method draw_text_layer

src/laybasic/laybasic/layRedrawThreadWorker.cc:1450–1487

}

void 
RedrawThreadWorker::draw_text_layer (bool drawing_context, db::cell_index_type ci, const db::CplxTrans &trans, const std::vector<db::Box> &vp, int level)
{
  if (! m_text_visible) {
    return;
  }

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

  lay::CanvasPlane *fill = 0, *frame = 0, *text = 0, *vertex = 0;
  fill   = m_planes[0 + plane_group * (planes_per_layer / 3)];
  frame  = m_planes[1 + plane_group * (planes_per_layer / 3)];
  text   = m_planes[2 + plane_group * (planes_per_layer / 3)];
  vertex = m_planes[3 + plane_group * (planes_per_layer / 3)];

  //  do not draw, if there is nothing to draw
  if (mp_layout->cells () <= ci || vp.empty () || mp_layout->cell (ci).bbox (m_layer).empty ()) {
    return;
  }
  if (cell_var_cached (ci, trans)) {
    return;
  }

  std::unique_ptr<lay::Bitmap> opt_bitmap;
  lay::Bitmap *vertex_bitmap = dynamic_cast<lay::Bitmap *> (vertex);
  if (m_text_lazy_rendering && 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 = vp.begin (); b != vp.end (); ++b) {
    draw_text_layer (drawing_context, ci, trans, *b, level, fill, frame, vertex, text, opt_bitmap.get ());
  }
}

void
RedrawThreadWorker::draw_text_layer (bool drawing_context, db::cell_index_type ci, const db::CplxTrans &trans, const db::Box &vp, int level, CanvasPlane *fill, CanvasPlane *frame, CanvasPlane *vertex, CanvasPlane *text, lay::Bitmap *opt_bitmap)