Method GetVal

BeefySysLib/img/ImgEffects.cpp:121–145

}

float ImageCurve::GetVal(float x)
{
	ImageCurvePoint* prevPt = NULL;
	for (int i = 0; i < (int) mPoints.size(); i++)
	{
		ImageCurvePoint* nextPt = &mPoints[i];

		if (x == nextPt->mX)
			return nextPt->mY;

		if ((x <= nextPt->mX) && (prevPt != NULL))
		{			
			if (prevPt->mSpline != NULL)
				return prevPt->mSpline->Evaluate(x);
				//return BFClamp(prevPt->mSpline->Evaluate(x), 0.0f, 255.0f);

			return prevPt->mY + 
				((x - prevPt->mX) / (nextPt->mX - prevPt->mX)) * (nextPt->mY - prevPt->mY);
		}

		prevPt = nextPt;
	}

	return mPoints.back().mY;
}

bool ImageCurve::IsDefault()
{