public static bool Clip(Q1Rect a, Q1Rect b, out Q1Rect result)
{
int a_left = a.Left;
int a_bottom = a.Bottom;
int a_right = a.Right;
int a_top = a.Top;
if (a_left < b.Left)
{
a_left = b.Left;
}
if (a_bottom < b.Bottom)
{
a_bottom = b.Bottom;
}
if (a_right > b.Right)
{
a_right = b.Right;
}
if (a_top > b.Top)
{
a_top = b.Top;
}
if (a_left <= a_right && a_bottom <= a_top)
{
result = new Q1Rect(a_left, a_bottom, a_right, a_top);
return(true);
}
result = new Q1Rect();//empty
return(false);
}
public static bool IntersectsWith(Q1Rect a, Q1Rect b)
{
int a_left = a.Left;
int a_bottom = a.Bottom;
int a_right = a.Right;
int a_top = a.Top;
if (a_left < b.Left)
{
a_left = b.Left;
}
if (a_bottom < b.Bottom)
{
a_bottom = b.Bottom;
}
if (a_right > b.Right)
{
a_right = b.Right;
}
if (a_top > b.Top)
{
a_top = b.Top;
}
return(a_left < a_right && a_bottom < a_top);
}
public static void GetBoundingRect(this VertexStore vxs, ref Q1Rect rect)
{
Q1RectD rect1 = new Q1RectD();
BoundingRect.GetBoundingRect(vxs, ref rect1);
rect.Left = (int)System.Math.Round(rect1.Left);
rect.Bottom = (int)System.Math.Round(rect1.Bottom);
rect.Right = (int)System.Math.Round(rect1.Right);
rect.Top = (int)System.Math.Round(rect1.Top);
}
public void ExpandToInclude(Q1Rect rectToInclude)
{
if (Right < rectToInclude.Right)
{
Right = rectToInclude.Right;
}
if (Top < rectToInclude.Top)
{
Top = rectToInclude.Top;
}
if (Left > rectToInclude.Left)
{
Left = rectToInclude.Left;
}
if (Bottom > rectToInclude.Bottom)
{
Bottom = rectToInclude.Bottom;
}
}
public RoundedRect(Q1Rect bounds, double r)
: this(bounds.Left, bounds.Bottom, bounds.Right, bounds.Top, r)
{
}
