public distance_interpolator4(int x1, int y1, int x2, int y2,
int sx, int sy, int ex, int ey,
int len, double scale, int x, int y)
{
m_dx = (x2 - x1);
m_dy = (y2 - y1);
m_dx_start = (LineAABasics.line_mr(sx) - LineAABasics.line_mr(x1));
m_dy_start = (LineAABasics.line_mr(sy) - LineAABasics.line_mr(y1));
m_dx_end = (LineAABasics.line_mr(ex) - LineAABasics.line_mr(x2));
m_dy_end = (LineAABasics.line_mr(ey) - LineAABasics.line_mr(y2));
m_dist = (agg_basics.iround((double)(x + LineAABasics.line_subpixel_scale / 2 - x2) * (double)(m_dy) -
(double)(y + LineAABasics.line_subpixel_scale / 2 - y2) * (double)(m_dx)));
m_dist_start = ((LineAABasics.line_mr(x + LineAABasics.line_subpixel_scale / 2) - LineAABasics.line_mr(sx)) * m_dy_start -
(LineAABasics.line_mr(y + LineAABasics.line_subpixel_scale / 2) - LineAABasics.line_mr(sy)) * m_dx_start);
m_dist_end = ((LineAABasics.line_mr(x + LineAABasics.line_subpixel_scale / 2) - LineAABasics.line_mr(ex)) * m_dy_end -
(LineAABasics.line_mr(y + LineAABasics.line_subpixel_scale / 2) - LineAABasics.line_mr(ey)) * m_dx_end);
m_len = (int)(agg_basics.uround(len / scale));
double d = len * scale;
int dx = agg_basics.iround(((x2 - x1) << LineAABasics.line_subpixel_shift) / d);
int dy = agg_basics.iround(((y2 - y1) << LineAABasics.line_subpixel_shift) / d);
m_dx_pict = -dy;
m_dy_pict = dx;
m_dist_pict = ((x + LineAABasics.line_subpixel_scale / 2 - (x1 - dy)) * m_dy_pict -
(y + LineAABasics.line_subpixel_scale / 2 - (y1 + dx)) * m_dx_pict) >>
LineAABasics.line_subpixel_shift;
m_dx <<= LineAABasics.line_subpixel_shift;
m_dy <<= LineAABasics.line_subpixel_shift;
m_dx_start <<= LineAABasics.line_mr_subpixel_shift;
m_dy_start <<= LineAABasics.line_mr_subpixel_shift;
m_dx_end <<= LineAABasics.line_mr_subpixel_shift;
m_dy_end <<= LineAABasics.line_mr_subpixel_shift;
}
/*
* //-------------------------------------------------------------------------
* public void semidot(Cmp, int, int, int, int)
* {
* }
*
* //-------------------------------------------------------------------------
* public void pie(int, int, int, int, int, int)
* {
* }
*
* //-------------------------------------------------------------------------
* public void line0(line_parameters)
* {
* }
*
* //-------------------------------------------------------------------------
* public void line1(line_parameters, int, int)
* {
* }
*
* //-------------------------------------------------------------------------
* public void line2(line_parameters, int, int)
* {
* }
*/
//-------------------------------------------------------------------------
public void line3_no_clip(line_parameters lp,
int sx, int sy, int ex, int ey)
{
if (lp.len > LineAABasics.line_max_length)
{
line_parameters lp1, lp2;
lp.divide(lp1, lp2);
int mx = lp1.x2 + (lp1.y2 - lp1.y1);
int my = lp1.y2 - (lp1.x2 - lp1.x1);
line3_no_clip(lp1, (lp.x1 + sx) >> 1, (lp.y1 + sy) >> 1, mx, my);
line3_no_clip(lp2, mx, my, (lp.x2 + ex) >> 1, (lp.y2 + ey) >> 1);
return;
}
LineAABasics.fix_degenerate_bisectrix_start(lp, ref sx, ref sy);
LineAABasics.fix_degenerate_bisectrix_end(lp, ref ex, ref ey);
line_interpolator_image li = new line_interpolator_image(*this, lp,
sx, sy,
ex, ey,
m_start, m_scale_x);
if (li.vertical())
{
while (li.step_ver())
{
;
}
}
else
{
while (li.step_hor())
{
;
}
}
m_start += uround(lp.len / m_scale_x);
}