Method drawAxesLegend_

src/openms_gui/source/VISUAL/Plot3DOpenGLCanvas.cpp:295–468

  }

  void Plot3DOpenGLCanvas::drawAxesLegend_()
  {
    QFont font("Typewriter");
    font.setPixelSize(10);

    QString text;
    qglColor_(Qt::black);

    // Draw x and y axis legend
    if (canvas_3d_.legend_shown_)
    {
      font.setPixelSize(12);
      renderText_(0.0, -corner_ - 20.0, -near_ - 2 * corner_ + 20.0, x_label_);
      renderText_(-corner_ - 20.0, -corner_ - 20.0, -near_ - 3 * corner_, y_label_);
      font.setPixelSize(10);
    }

    // RT tick labels
    {
      if (grid_rt_.size() > 0)
      {
        for (Size i = 0; i < grid_rt_[0].size(); i++)
        {
          text = QString::number(grid_rt_[0][i]);
          renderText_(-corner_ - 15.0, -corner_ - 5.0, -near_ - 2 * corner_ - scaledRT_(grid_rt_[0][i]), text);
        }
      }
      if (zoom_ < 3.0 && grid_rt_.size() >= 2)
      {
        for (Size i = 0; i < grid_rt_[1].size(); i++)
        {
          text = QString::number(grid_rt_[1][i]);
          renderText_(-corner_ - 15.0, -corner_ - 5.0, -near_ - 2 * corner_ - scaledRT_(grid_rt_[1][i]), text);
        }
      }
      if (zoom_ < 2.0 && grid_rt_.size() >= 3)
      {
        for (Size i = 0; i < grid_rt_[2].size(); i++)
        {
          text = QString::number(grid_rt_[2][i]);
          renderText_(-corner_ - 15.0, -corner_ - 5.0, -near_ - 2 * corner_ - scaledRT_(grid_rt_[2][i]), text);
        }
      }
    }

    // m/z tick labels
    {
      if (grid_mz_.size() > 0)
      {
        for (Size i = 0; i < grid_mz_[0].size(); i++)
        {
          text = QString::number(grid_mz_[0][i]);
          renderText_(-corner_ - text.length() + scaledMZ_(grid_mz_[0][i]), -corner_ - 5.0, -near_ - 2 * corner_ + 15.0, text);
        }
      }
      if (zoom_ < 3.0 && grid_mz_.size() >= 2)
      {
        for (Size i = 0; i < grid_mz_[1].size(); i++)