public override void MoveTo(PointFP point)
{
transformedPoint = new PointFP(point);
if (transformMatrix != null)
{
transformedPoint.Transform(transformMatrix);
}
base.MoveTo(point);
}
public override int GetColorAt(int x, int y, bool singlePoint)
{
int pos;
PointFP p = new PointFP(x << SingleFP.DecimalBits, y << SingleFP.DecimalBits);
PointFP p1 = null;
if (!singlePoint)
{
p1 = new PointFP(p.X + SingleFP.One, p.Y);
}
if (finalMatrix != null)
{
p.Transform(finalMatrix);
if (!singlePoint)
{
p1.Transform(finalMatrix);
}
}
int width = bounds.Width;
int height = bounds.Height;
if (type == LINEAR_GRADIENT)
{
int v = p.X + ff_length / 2;
if (v < 0)
{
v = 0;
}
else if (v > ff_length - 1)
{
v = ff_length - 1;
}
ff_currpos = (int)(((long)v << RATIO_BITS + SingleFP.DecimalBits) / ff_length);
if (!singlePoint)
{
ff_deltapos = (int)(((long)(p1.X - p.X) << RATIO_BITS + SingleFP.DecimalBits) / ff_length);
}
pos = ff_currpos >> SingleFP.DecimalBits;
}
else
{
ff_currpos = PointFP.Distance(p.X, p.Y);
if (!singlePoint)
{
ff_deltapos = PointFP.Distance(p1.X, p1.Y) - ff_currpos;
}
//if (ff_currpos > SingleFP.One - 1) pos = SingleFP.One - 1;
pos = ff_currpos >> SingleFP.DecimalBits - RATIO_BITS;
}
//pos >>= BrushFP.XY_MAX_BITS - RATIO_BITS;
pos = pos < 0?0:(pos > RATIO_MAX?RATIO_MAX:pos);
return(gradientColors[pos]);
}
public override void LineTo(PointFP point)
{
//PointFP a = new PointFP(CurrentPoint);
PointFP pntTemp = new PointFP(point);
ff_xmin = MathFP.Min(ff_xmin, CurrentPoint.X);
ff_xmax = MathFP.Max(ff_xmax, point.X);
ff_ymin = MathFP.Min(ff_ymin, CurrentPoint.Y);
ff_ymax = MathFP.Max(ff_ymax, point.Y);
if (transformMatrix != null)
{
pntTemp.Transform(transformMatrix);
//b.Transform(transformMatrix);
}
Scanline(transformedPoint.X, transformedPoint.Y, pntTemp.X, pntTemp.Y);
transformedPoint = pntTemp;
base.LineTo(point);
}