retains shared ownership of a H-Blank effect which changes the color of a background color palette in each screen horizontal line.</dd>
            <dt>
              class <a href="classbn_1_1bg__palette__item.html" class="m-doc">bn::bg_palette_item</a>
            </dt>
            <dd>Contains the required information to generate background color palettes.</dd>
            <dt>
              class <a href="classbn_1_1bg__palette__ptr.html" class="m-doc">bn::bg_palette_ptr</a>
            </dt>
          