//---------------------------------------------------------------------
public line_interpolator_image(renderer_outline_aa ren, line_parameters lp,
int sx, int sy, int ex, int ey,
int pattern_start,
double scale_x)
{
throw new NotImplementedException();
/*
* 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_di = new distance_interpolator4(lp.x1, lp.y1, lp.x2, lp.y2, sx, sy, ex, ey, lp.len, scale_x,
* lp.x1 & ~LineAABasics.line_subpixel_mask, lp.y1 & ~LineAABasics.line_subpixel_mask);
* m_ren=ren;
* 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 >> (LineAABasics.line_subpixel_shift - 2));
* m_max_extent = ((m_width + LineAABasics.line_subpixel_scale) >> LineAABasics.line_subpixel_shift);
* m_start=(pattern_start + (m_max_extent + 2) * ren.pattern_width());
* 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);
*
* uint i;
* int stop = m_width + LineAABasics.line_subpixel_scale * 2;
* for(i = 0; i < max_half_width; ++i)
* {
* m_dist_pos[i] = li.y();
* if(m_dist_pos[i] >= stop) break;
++li;
* }
* m_dist_pos[i] = 0x7FFF0000;
*
* int dist1_start;
* int dist2_start;
* int npix = 1;
*
* if(lp.vertical)
* {
* do
* {
* --m_li;
* m_y -= lp.inc;
* m_x = (m_lp.x1 + m_li.y()) >> LineAABasics.line_subpixel_shift;
*
* if(lp.inc > 0) m_di.dec_y(m_x - m_old_x);
* else m_di.inc_y(m_x - m_old_x);
*
* m_old_x = m_x;
*
* dist1_start = dist2_start = m_di.dist_start();
*
* int dx = 0;
* if(dist1_start < 0) ++npix;
* do
* {
* dist1_start += m_di.dy_start();
* dist2_start -= m_di.dy_start();
* if(dist1_start < 0) ++npix;
* if(dist2_start < 0) ++npix;
++dx;
* }
* while(m_dist_pos[dx] <= m_width);
* if(npix == 0) break;
*
* npix = 0;
* }
* while(--m_step >= -m_max_extent);
* }
* else
* {
* do
* {
* --m_li;
*
* m_x -= lp.inc;
* m_y = (m_lp.y1 + m_li.y()) >> LineAABasics.line_subpixel_shift;
*
* if(lp.inc > 0) m_di.dec_x(m_y - m_old_y);
* else m_di.inc_x(m_y - m_old_y);
*
* m_old_y = m_y;
*
* dist1_start = dist2_start = m_di.dist_start();
*
* int dy = 0;
* if(dist1_start < 0) ++npix;
* do
* {
* dist1_start -= m_di.dx_start();
* dist2_start += m_di.dx_start();
* if(dist1_start < 0) ++npix;
* if(dist2_start < 0) ++npix;
++dy;
* }
* while(m_dist_pos[dy] <= m_width);
* if(npix == 0) break;
*
* npix = 0;
* }
* while(--m_step >= -m_max_extent);
* }
* m_li.adjust_forward();
* m_step -= m_max_extent;
*/
}
//---------------------------------------------------------------------
public line_interpolator_image(renderer_outline_aa ren, line_parameters lp,
int sx, int sy, int ex, int ey,
int pattern_start,
double scale_x)
{
throw new NotImplementedException();
/*
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_di = new distance_interpolator4(lp.x1, lp.y1, lp.x2, lp.y2, sx, sy, ex, ey, lp.len, scale_x,
lp.x1 & ~LineAABasics.line_subpixel_mask, lp.y1 & ~LineAABasics.line_subpixel_mask);
m_ren=ren;
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 >> (LineAABasics.line_subpixel_shift - 2));
m_max_extent = ((m_width + LineAABasics.line_subpixel_scale) >> LineAABasics.line_subpixel_shift);
m_start=(pattern_start + (m_max_extent + 2) * ren.pattern_width());
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);
uint i;
int stop = m_width + LineAABasics.line_subpixel_scale * 2;
for(i = 0; i < max_half_width; ++i)
{
m_dist_pos[i] = li.y();
if(m_dist_pos[i] >= stop) break;
++li;
}
m_dist_pos[i] = 0x7FFF0000;
int dist1_start;
int dist2_start;
int npix = 1;
if(lp.vertical)
{
do
{
--m_li;
m_y -= lp.inc;
m_x = (m_lp.x1 + m_li.y()) >> LineAABasics.line_subpixel_shift;
if(lp.inc > 0) m_di.dec_y(m_x - m_old_x);
else m_di.inc_y(m_x - m_old_x);
m_old_x = m_x;
dist1_start = dist2_start = m_di.dist_start();
int dx = 0;
if(dist1_start < 0) ++npix;
do
{
dist1_start += m_di.dy_start();
dist2_start -= m_di.dy_start();
if(dist1_start < 0) ++npix;
if(dist2_start < 0) ++npix;
++dx;
}
while(m_dist_pos[dx] <= m_width);
if(npix == 0) break;
npix = 0;
}
while(--m_step >= -m_max_extent);
}
else
{
do
{
--m_li;
m_x -= lp.inc;
m_y = (m_lp.y1 + m_li.y()) >> LineAABasics.line_subpixel_shift;
if(lp.inc > 0) m_di.dec_x(m_y - m_old_y);
else m_di.inc_x(m_y - m_old_y);
m_old_y = m_y;
dist1_start = dist2_start = m_di.dist_start();
int dy = 0;
if(dist1_start < 0) ++npix;
do
{
dist1_start -= m_di.dx_start();
dist2_start += m_di.dx_start();
if(dist1_start < 0) ++npix;
if(dist2_start < 0) ++npix;
++dy;
}
while(m_dist_pos[dy] <= m_width);
if(npix == 0) break;
npix = 0;
}
while(--m_step >= -m_max_extent);
}
m_li.adjust_forward();
m_step -= m_max_extent;
*/
}
