//--------------------------------------------------------------------
public void GenerateColors(ColorRGBA[] outputColors, int startIndex, int x, int y, int len)
{
m_interpolator.Begin(x + 0.5, y + 0.5, len);
do
{
m_interpolator.GetCoord(out x, out y);
float d = m_grValueCalculator.Calculate(x >> DOWN_SCALE_SHIFT,
y >> DOWN_SCALE_SHIFT,
m_d2);
d = ((d - m_d1) * stepRatio);
if (d < 0)
{
d = 0;
}
if (d >= m_colorsProvider.GradientSteps)
{
d = m_colorsProvider.GradientSteps - 1;
}
outputColors[startIndex++] = m_colorsProvider.GetColor((int)d);
m_interpolator.Next();
}while (--len != 0);
}
//--------------------------------------------------------------------
public void GenerateColors(Color[] outputColors, int startIndex, int x, int y, int spanLen)
{
//set interpolation start point
//spanLen => horizontal span len
#if COSMOS
#else
_interpolator.Begin(_grad0X + _xoffset + x + 0.5, _grad0Y + _yoffset + y + 0.5, spanLen);
int gradientSteps = _colorsProvider.GradientSteps;
int scanline_x = x;
do
{
//find actual x and y
_interpolator.GetCoord(out x, out y);
float d = _grValueCalculator.Calculate(x >> DOWN_SCALE_SHIFT,
y >> DOWN_SCALE_SHIFT,
_dist) * _stepRatio;
if (d < 0)
{
if (PartNo == 0)
{
d = 0;
}
else
{
//move to prev part
d = 0;
//move to next part
if (RequestGradientPart != null)
{
GradientSpanGen nextPart = RequestGradientPart(this.PartNo - 1);
if (nextPart != null)
{
//generate next part
nextPart.GenerateColors(outputColors, startIndex, scanline_x, y, spanLen);
return;
}
}
else
{
d = 0;
}
}
}
else if (d >= gradientSteps)
{
if (IsLastPart)
{
d = gradientSteps - 1;
}
else
{
//move to next part
if (RequestGradientPart != null)
{
GradientSpanGen nextPart = RequestGradientPart(this.PartNo + 1);
if (nextPart != null)
{
//generate next part
nextPart.GenerateColors(outputColors, startIndex, scanline_x, y, spanLen);
return;
}
}
else
{
d = gradientSteps - 1;
}
}
}
else
{
//
}
outputColors[startIndex++] = _colorsProvider.GetColor((int)d);
_interpolator.Next();//**
scanline_x++;
}while (--spanLen != 0);
#endif
}