Method Draw

libs/drape_frontend/line_shape.cpp:512–547

}

void LineShape::Draw(ref_ptr<dp::GraphicsContext> context, ref_ptr<dp::Batcher> batcher,
                     ref_ptr<dp::TextureManager> textures) const
{
  if (!m_lineShapeInfo)
    Prepare(textures);

  ASSERT(m_lineShapeInfo != nullptr, ());
  dp::RenderState state = m_lineShapeInfo->GetState();
  dp::AttributeProvider provider(1, m_lineShapeInfo->GetLineSize());
  provider.InitStream(0, m_lineShapeInfo->GetBindingInfo(), m_lineShapeInfo->GetLineData());
  if (!m_isSimple)
  {
    batcher->InsertListOfStrip(context, state, make_ref(&provider), dp::Batcher::VertexPerQuad);

    // Not used, keep comment for possible usage. LineJoin::RoundJoin is processed as _Cap_.
    //    uint32_t const joinSize = m_lineShapeInfo->GetJoinSize();
    //    if (joinSize > 0)
    //    {
    //      dp::AttributeProvider joinsProvider(1, joinSize);
    //      joinsProvider.InitStream(0, m_lineShapeInfo->GetBindingInfo(), m_lineShapeInfo->GetJoinData());
    //      batcher->InsertTriangleList(context, state, make_ref(&joinsProvider));
    //    }

    uint32_t const capSize = m_lineShapeInfo->GetCapSize();
    if (capSize > 0)
    {
      dp::AttributeProvider capProvider(1, capSize);
      capProvider.InitStream(0, m_lineShapeInfo->GetCapBindingInfo(), m_lineShapeInfo->GetCapData());
      batcher->InsertTriangleList(context, m_lineShapeInfo->GetCapState(), make_ref(&capProvider));
    }
  }
  else
  {
    batcher->InsertLineStrip(context, state, make_ref(&provider));
  }
}
}  // namespace df