Esempi in C++ (Cpp) per ThirdPoint

Esempio n. 1

File: painter.cpp Progetto: neurodebian/iv-hines

static void CalcBSpline(
    IntCoord cminus1x, IntCoord cminus1y, IntCoord cx, IntCoord cy,
    IntCoord cplus1x, IntCoord cplus1y, IntCoord cplus2x, IntCoord cplus2y
) {
    double p0x, p1x, p2x, p3x, tempx,
	   p0y, p1y, p2y, p3y, tempy;
    
    ThirdPoint(
        double(cx), double(cy), double(cplus1x), double(cplus1y), p1x, p1y
    );
    ThirdPoint(
        double(cplus1x), double(cplus1y), double(cx), double(cy), p2x, p2y
    );
    ThirdPoint(
        double(cx), double(cy), double(cminus1x), double(cminus1y),
	tempx, tempy
    );
    Midpoint(tempx, tempy, p1x, p1y, p0x, p0y);
    ThirdPoint(
        double(cplus1x), double(cplus1y), double(cplus2x), double(cplus2y),
	tempx, tempy
    );
    Midpoint(tempx, tempy, p2x, p2y, p3x, p3y);
    
    AddBezierCurve(p0x, p0y, p1x, p1y, p2x, p2y, p3x, p3y);
}

Esempio n. 2

File: geomobjs.c Progetto: barak/ivtools-cvs

void MultiLineObj::CalcSection (
    Coord cminus1x, Coord cminus1y, Coord cx, Coord cy,
    Coord cplus1x, Coord cplus1y, Coord cplus2x, Coord cplus2y
) {
    double p0x, p1x, p2x, p3x, tempx,
	   p0y, p1y, p2y, p3y, tempy;
    
    ThirdPoint(
        double(cx), double(cy), double(cplus1x), double(cplus1y), p1x, p1y
    );
    ThirdPoint(
        double(cplus1x), double(cplus1y), double(cx), double(cy), p2x, p2y
    );
    ThirdPoint(
        double(cx), double(cy), double(cminus1x), double(cminus1y),
	tempx, tempy
    );
    Midpoint(tempx, tempy, p1x, p1y, p0x, p0y);
    ThirdPoint(
        double(cplus1x), double(cplus1y), double(cplus2x), double(cplus2y),
	tempx, tempy
    );
    Midpoint(tempx, tempy, p2x, p2y, p3x, p3y);
    AddBezierArc(p0x, p0y, p1x, p1y, p2x, p2y, p3x, p3y);
}