/// <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 center x0, y0 and size
/// </summary>
/// <param name="x0">center X (Layout)</param>
/// <param name="y0">center Y (Layout)</param>
/// <param name="size"></param>
/// <returns></returns>
public static LayoutRect From(double x0, double y0, LayoutSize size)
{
return(new LayoutRect
{
LT = new LayoutPos
{
X = new LayoutX {
Lx = x0
},
Y = new LayoutY {
Ly = y0
},
},
RB = new LayoutPos
{
X = new LayoutX {
Lx = x0 + size.Width.Lx
},
Y = new LayoutY {
Ly = y0 + size.Height.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>
/// make a new size instance
/// </summary>
/// <returns></returns>
public LayoutSize ToSize()
{
return(LayoutSize.From(Width, Height));
}
/// <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;
}