internal TexturePaintContext(ColorModel cm, AffineTransform xform, int bWidth, int bHeight, int maxw)
{
this.ColorModel_Renamed = GetInternedColorModel(cm);
this.BWidth = bWidth;
this.BHeight = bHeight;
this.MaxWidth = maxw;
try
{
xform = xform.CreateInverse();
}
catch (NoninvertibleTransformException)
{
xform.SetToScale(0, 0);
}
this.IncXAcross = Mod(xform.ScaleX, bWidth);
this.IncYAcross = Mod(xform.ShearY, bHeight);
this.IncXDown = Mod(xform.ShearX, bWidth);
this.IncYDown = Mod(xform.ScaleY, bHeight);
this.XOrg = xform.TranslateX;
this.YOrg = xform.TranslateY;
this.Colincx = (int)IncXAcross;
this.Colincy = (int)IncYAcross;
this.Colincxerr = FractAsInt(IncXAcross);
this.Colincyerr = FractAsInt(IncYAcross);
this.Rowincx = (int)IncXDown;
this.Rowincy = (int)IncYDown;
this.Rowincxerr = FractAsInt(IncXDown);
this.Rowincyerr = FractAsInt(IncYDown);
}
public static AffineTransform GetScaleInstance(float scx, float scY)
{
var t = new AffineTransform();
t.SetToScale(scx, scY);
return(t);
}