cell_style_aa
rasterizer_cells_aa<cell_style_aa> m_outline;
cell_style_aa cell;
const cell_style_aa* const* cells = m_outline.scanline_cells(m_scan_y);
const cell_style_aa* curr_cell;
void style(const cell_style_aa& c)
int not_equal(int ex, int ey, const cell_style_aa& c) const