Method PathTextLayout

libs/drape_frontend/text_layout.cpp:392–413

}

PathTextLayout::PathTextLayout(m2::PointD const & tileCenter, std::string const & text, float fontSize,
                               ref_ptr<dp::TextureManager> textureManager,
                               localisation::LanguageIndex const textLanguageIndex)
  : m_tileCenter(tileCenter)
{
  /*
   * TODO Temporary workaround: If the string contains newlines, replace them with whitespaces.
   * On the long run, this should be fixed in the map generator and this workaround removed after
   * a few months, when maps with buggy data can be expected to have been phased out.
   */
  std::string stext = text;
  while (stext.find('\n') != std::string::npos)
    stext[stext.find('\n')] = ' ';
  ASSERT_EQUAL(std::string::npos, stext.find('\n'), ("Multiline text is not expected", stext));

  auto const fontScale = static_cast<float>(VisualParams::Instance().GetFontScale());
  m_textSizeRatio = fontSize * fontScale / dp::kBaseFontSizePixels;

  // TODO(AB): StraightTextLayout used a logic to split a longer string into two strings.
  m_shapedGlyphs =
      textureManager->ShapeSingleTextLine(dp::kBaseFontSizePixels, stext, &m_glyphRegions, textLanguageIndex);
}

void PathTextLayout::CacheStaticGeometry(dp::TextureManager::ColorRegion const & colorRegion,
                                         dp::TextureManager::ColorRegion const & outlineRegion,