internal static void CheckBounds(ref int x, ref int y, ref int w, ref int h, int width, int height)
{
if (x == -1)
{
Runtime.Assert(0 < w && w <= width, "Invalid w");
x = (width - w) / 2;
}
else if (w == 0)
{
Runtime.Assert(0 <= x && x < width, "Invalid x");
w = width - x;
}
else
{
Runtime.Assert(0 <= x && x < width, "Invalid x");
Runtime.Assert(0 < w && w <= width, "Invalid w");
Runtime.Assert(x + w <= width, "Invalid x+w");
}
if (y == -1)
{
Runtime.Assert(0 < h && h <= height, "Invalid h");
y = (height - h) / 2;
}
else if (h == 0)
{
Runtime.Assert(0 <= y && y < height, "Invalid y");
h = height - h;
}
else
{
Runtime.Assert(0 <= y && y < height, "Invalid y");
Runtime.Assert(0 < h && h <= height, "Invalid h");
Runtime.Assert(y + h <= height, "Invalid y+h");
}
}
