//----------------------------------------------------------------
public void Next()
{
m_coord_x.Next();
m_coord_y.Next();
m_scale_x.Next();
m_scale_y.Next();
}
//----------------------------------------------------------------
//public void operator++()
public void Next()
{
m_li_x.Next();
m_li_y.Next();
}
//--------------------------------------------------------------------
public void hstep()
{
m_interpolator.Next();
m_x1_lr += m_inc;
}
public line_interpolator_aa_base(OutlineRenderer ren, line_parameters lp)
{
m_lp = lp;
m_li = new dda2_line_interpolator(lp.vertical ? LineAABasics.line_dbl_hr(lp.x2 - lp.x1) : LineAABasics.line_dbl_hr(lp.y2 - lp.y1),
lp.vertical ? Math.Abs(lp.y2 - lp.y1) : Math.Abs(lp.x2 - lp.x1) + 1);
m_ren = ren;
m_len = ((lp.vertical == (lp.inc > 0)) ? -lp.len : lp.len);
m_x = (lp.x1 >> LineAABasics.line_subpixel_shift);
m_y = (lp.y1 >> LineAABasics.line_subpixel_shift);
m_old_x = (m_x);
m_old_y = (m_y);
m_count = ((lp.vertical ? Math.Abs((lp.y2 >> LineAABasics.line_subpixel_shift) - m_y) :
Math.Abs((lp.x2 >> LineAABasics.line_subpixel_shift) - m_x)));
m_width = (ren.subpixel_width());
//m_max_extent(m_width >> (line_subpixel_shift - 2));
m_max_extent = ((m_width + LineAABasics.line_subpixel_mask) >> LineAABasics.line_subpixel_shift);
m_step = 0;
dda2_line_interpolator li = new dda2_line_interpolator(0,
lp.vertical ? (lp.dy << LineAABasics.line_subpixel_shift) : (lp.dx << LineAABasics.line_subpixel_shift),
lp.len);
int i;
int stop = m_width + LineAABasics.line_subpixel_scale * 2;
for (i = 0; i < max_half_width; ++i)
{
m_dist[i] = li.y();
if (m_dist[i] >= stop) break;
li.Next();
}
m_dist[i++] = 0x7FFF0000;
}