/// <summary>
/// normalize instance value from negative to positive rectangle
/// </summary>
/// <returns></returns>
public LayoutRect Normalize()
{
var l = Math.Min(L.Lx, R.Lx);
var t = Math.Min(T.Ly, B.Ly);
var r = Math.Max(L.Lx, R.Lx);
var b = Math.Max(T.Ly, B.Ly);
LT = new LayoutPos
{
X = new LayoutX {
Lx = l
},
Y = new LayoutY {
Ly = t
},
};
RB = new LayoutPos
{
X = new LayoutX {
Lx = r
},
Y = new LayoutY {
Ly = b
},
};
return(this);
}
/// <summary>
/// make a new instance from Left-Top and size
/// </summary>
/// <param name="lt"></param>
/// <param name="size"></param>
/// <returns></returns>
public static LayoutRect From(LayoutPos lt, LayoutSize size)
{
return(new LayoutRect
{
LT = new LayoutPos
{
X = new LayoutX {
Lx = lt.X.Lx
},
Y = new LayoutY {
Ly = lt.Y.Ly
},
},
RB = new LayoutPos
{
X = new LayoutX {
Lx = lt.X.Lx + size.Width.Lx
},
Y = new LayoutY {
Ly = lt.Y.Ly + size.Height.Ly
},
},
});
}
/// <summary>
/// make a new instance from left, center y, width and height
/// </summary>
/// <param name="leftcenter"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <returns></returns>
public static LayoutRect FromLWH(LayoutPos leftcenter, double width, double height)
{
return(new LayoutRect
{
LT = new LayoutPos
{
X = new LayoutX {
Lx = leftcenter.X.Lx
},
Y = new LayoutY {
Ly = leftcenter.Y.Ly - height / 2
},
},
RB = new LayoutPos
{
X = new LayoutX {
Lx = leftcenter.X.Lx + width
},
Y = new LayoutY {
Ly = leftcenter.Y.Ly + height / 2
},
},
});
}
/// <summary>
/// make a new instance from center x, bottom y, width and height
/// </summary>
/// <param name="centerbottom"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <returns></returns>
public static LayoutRect FromCbWH(LayoutPos centerbottom, double width, double height)
{
return(new LayoutRect
{
LT = new LayoutPos
{
X = new LayoutX {
Lx = centerbottom.X.Lx - width / 2
},
Y = new LayoutY {
Ly = centerbottom.Y.Ly - height
},
},
RB = new LayoutPos
{
X = new LayoutX {
Lx = centerbottom.X.Lx + width / 2
},
Y = new LayoutY {
Ly = centerbottom.Y.Ly
},
},
});
}
/// <summary>
/// make a new instance from Left-Top, width and height
/// </summary>
/// <param name="lt"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <returns></returns>
public static LayoutRect FromLTWH(LayoutPos lt, double width, double height)
{
return(new LayoutRect
{
LT = new LayoutPos
{
X = new LayoutX {
Lx = lt.X.Lx
},
Y = new LayoutY {
Ly = lt.Y.Ly
},
},
RB = new LayoutPos
{
X = new LayoutX {
Lx = lt.X.Lx + width
},
Y = new LayoutY {
Ly = lt.Y.Ly + height
},
},
});
}
/// <summary>
/// make a new instance from LT and RB
/// </summary>
/// <param name="lt">Left-Top</param>
/// <param name="rb">Right-Bottom</param>
/// <returns></returns>
public static LayoutRect FromLTRB(LayoutPos lt, LayoutPos rb)
{
return(new LayoutRect
{
LT = new LayoutPos
{
X = new LayoutX {
Lx = lt.X.Lx
},
Y = new LayoutY {
Ly = lt.Y.Ly
},
},
RB = new LayoutPos
{
X = new LayoutX {
Lx = rb.X.Lx
},
Y = new LayoutY {
Ly = rb.Y.Ly
},
},
});
}
/// <summary>
/// make a new instance from center and size
/// </summary>
/// <param name="center"></param>
/// <param name="size"></param>
/// <returns></returns>
public static LayoutRect FromCS(LayoutPos center, LayoutSize size)
{
return(FromCWH(center, size.Width.Lx, size.Height.Ly));
}
/// <summary>
/// check position is in this space
/// </summary>
/// <param name="pos"></param>
/// <returns></returns>
public bool IsIn(LayoutPos pos)
{
return(LT.X <= pos.X && RB.X >= pos.X && LT.Y <= pos.Y && RB.Y >= pos.Y);
}
/// <summary>
/// offset vertical position
/// </summary>
/// <param name="v1"></param>
/// <param name="v2"></param>
/// <returns></returns>
public static LayoutRect operator -(LayoutRect v1, LayoutY v2)
{
return(new LayoutRect {
LT = LayoutPos.From(v1.LT.X, v1.LT.Y - v2), RB = LayoutPos.From(v1.R, v1.RB.Y - v2),
});
}
/// <summary>
/// offset horizontal position
/// </summary>
/// <param name="v1"></param>
/// <param name="v2"></param>
/// <returns></returns>
public static LayoutRect operator +(LayoutRect v1, LayoutX v2)
{
return(new LayoutRect {
LT = LayoutPos.From(v1.LT.X + v2, v1.LT.Y), RB = LayoutPos.From(v1.R + v2, v1.RB.Y),
});
}
/// <summary>
/// deflate instance
/// </summary>
/// <param name="all"></param>
/// <returns></returns>
public void Deflate(LayoutSize size)
{
LT += size / 2;
RB -= size / 2;
}
/// <summary>
/// infrate instance
/// </summary>
/// <param name="all"></param>
/// <returns></returns>
public void Inflate(LayoutSize size)
{
LT -= size / 2.0;
RB += size / 2.0;
}