|
public static FixDegenBisectrixStart ( |
||
| lp | ||
| x | int | |
| y | int | |
| return | void | |
void Line1NoClip(LineParameters lp, int sx, int sy)
{
if (lp.len > LineAA.MAX_LENGTH)
{
LineParameters lp1, lp2;
lp.Divide(out lp1, out lp2);
Line1NoClip(lp1, (lp.x1 + sx) >> 1, (lp.y1 + sy) >> 1);
Line1NoClip(lp2, lp1.x2 + (lp1.y2 - lp1.y1), lp1.y2 - (lp1.x2 - lp1.x1));
return;
}
LineAA.FixDegenBisectrixStart(lp, ref sx, ref sy);
LineInterpolatorAA1 li = new LineInterpolatorAA1(this, lp, sx, sy);
if (li.IsVertical)
{
while (li.StepV())
{
;
}
}
else
{
while (li.StepH())
{
;
}
}
}
void Line3NoClip(LineParameters lp,
int sx, int sy, int ex, int ey)
{
if (lp.len > LineAA.MAX_LENGTH)
{
LineParameters lp1, lp2;
lp.Divide(out lp1, out lp2);
int mx = lp1.x2 + (lp1.y2 - lp1.y1);
int my = lp1.y2 - (lp1.x2 - lp1.x1);
Line3NoClip(lp1, (lp.x1 + sx) >> 1, (lp.y1 + sy) >> 1, mx, my);
Line3NoClip(lp2, mx, my, (lp.x2 + ex) >> 1, (lp.y2 + ey) >> 1);
return;
}
LineAA.FixDegenBisectrixStart(lp, ref sx, ref sy);
LineAA.FixDegenBisectrixEnd(lp, ref ex, ref ey);
LineInterpolatorAA3 li = new LineInterpolatorAA3(this, lp, sx, sy, ex, ey);
if (li.IsVertical)
{
while (li.StepV())
{
;
}
}
else
{
while (li.StepH())
{
;
}
}
}
void Line1NoClip(LineParameters lp, int sx, int sy)
{
if (lp.len > LineAA.MAX_LENGTH)
{
LineParameters lp1, lp2;
lp.Divide(out lp1, out lp2);
Line1NoClip(lp1, (lp.x1 + sx) >> 1, (lp.y1 + sy) >> 1);
Line1NoClip(lp2, lp1.x2 + (lp1.y2 - lp1.y1), lp1.y2 - (lp1.x2 - lp1.x1));
return;
}
LineAA.FixDegenBisectrixStart(lp, ref sx, ref sy);
LineInterpolatorAA1 li = new LineInterpolatorAA1(this, lp, sx, sy);
li.Loop();
}
