fixed_point
fixed_point alpha0;
fixed_point alpha1;
fixed_point fpSrcW = to_fixed_point(srcW);
fixed_point fpDestW = to_fixed_point(destW);
fixed_point fpSrcH = to_fixed_point(srcH);
fixed_point fpDestH = to_fixed_point(destH);
fixed_point column = to_fixed_point(i) * (long_fixed_point)fpSrcW
fixed_point row;
fixed_point alpha0, alpha1;
fixed_point a0, a1;
fixed_point a0, a1;
#define to_fixed_point(number) static_cast<fixed_point>((number) * kFPPrecisionFactor)