public void SetScaleCenter(double tsx, double tsy)
{
if (tsx < 0.1)
{
return;
}
if (tsy < 0.1)
{
return;
}
pf_UpdateMatrix(delegate(Matrix tmtr)
{
double tysx = RxGeom.GetScaleX(tmtr);
double tysy = RxGeom.GetScaleY(tmtr);
double tnsx = RxGeom.DoubleRound(tsx);
double tnsy = RxGeom.DoubleRound(tsy);
if ((tysx != tnsx) && (tysy != tnsy))
{
double tcx = RxGeom.GetLeftCenter(_rctBounds);
double tcy = RxGeom.GetTopCenter(_rctBounds);
tmtr.Translate(-tcx, -tcy);
double tbsx = 1 / tysx;
double tbsy = 1 / tysy;
tmtr.Scale(tbsx, tbsy);
tmtr.Scale(tnsx, tnsy);
tmtr.Translate(tcx, tcy);
}
return(tmtr);
});
}
