//--------------------------------------------------------------------
public SpanGenGradient(ISpanInterpolator inter,
IGradientValueCalculator gvc,
IGradientColorsProvider m_colorsProvider,
double d1, double d2)
{
this.m_interpolator = inter;
this.m_grValueCalculator = gvc;
this.m_colorsProvider = m_colorsProvider;
m_d1 = AggBasics.iround(d1 * GR_SUBPIX_SCALE);
m_d2 = AggBasics.iround(d2 * GR_SUBPIX_SCALE);
dd = m_d2 - m_d1;
if (dd < 1) dd = 1;
stepRatio = (float)m_colorsProvider.GradientSteps / (float)dd;
}
//--------------------------------------------------------------------
public SpanGenGradient(ISpanInterpolator inter,
IGradientValueCalculator gvc,
IGradientColorsProvider m_colorsProvider,
double d1, double d2)
{
this.m_interpolator = inter;
this.m_grValueCalculator = gvc;
this.m_colorsProvider = m_colorsProvider;
m_d1 = AggBasics.iround(d1 * GR_SUBPIX_SCALE);
m_d2 = AggBasics.iround(d2 * GR_SUBPIX_SCALE);
dd = m_d2 - m_d1;
if (dd < 1)
{
dd = 1;
}
stepRatio = (float)m_colorsProvider.GradientSteps / (float)dd;
}
public void Reset(ISpanInterpolator inter,
IGradientValueCalculator gvc,
IGradientColorsProvider m_colorsProvider,
double distance)
{
_grad0X = _grad0Y = _xoffset = _yoffset = 0;//reset
_interpolator = inter;
_grValueCalculator = gvc;
_colorsProvider = m_colorsProvider;
_dist = AggMath.iround(distance * GR_SUBPIX_SCALE);
if (_dist < 1)
{
_dist = 1;
}
_stepRatio = (float)m_colorsProvider.GradientSteps / (float)_dist;
_xoffset = _yoffset = 0;//reset
}
