Function safe_transformed_box

src/laybasic/laybasic/layRedrawThreadWorker.cc:36–41

// -------------------------------------------------------------

static inline db::Box safe_transformed_box (const db::Box &box, const db::ICplxTrans &t)
{
  db::DBox db = db::CplxTrans (t) * box;
  db &= db::DBox (db::Box::world ());
  return db::Box (db);
}

static bool
has_zero_bit (const lay::Bitmap *bitmap, unsigned int ixmin, unsigned int iymin, unsigned int ixmax, unsigned int iymax)