Method createRawStream

test/offscreen_test.cpp:268–272

  }

  std::unique_ptr<ColorStream<TrivialColorReader>> createRawStream() const {
    return std::unique_ptr<ColorStream<TrivialColorReader>>(
        new ColorStream<TrivialColorReader>(extents_, colors_, extents_,
                                            color_mode_));
  }

  Box extents() const override { return extents_; }