/// <summary>
/// Creates gradient between 2 points
/// </summary>
/// <param name="point1"></param>
/// <param name="color1"></param>
/// <param name="point2"></param>
/// <param name="color2"></param>
public void Gradient(Point point1, Color color1, Point point2, Color color2)
{
int width = this.Width;
int height = this.Height;
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
Point p = new Point(i, j);
double d1 = p.Distance(point1), d2 = p.Distance(point2);
double dis = d1 + d2;
Color c = Color.Black;
double ratio1 = d2 / dis;
double ratio2 = 1 - ratio1;
c = c.Add(color1.Multiply(ratio1));
c = c.Add(color2.Multiply(ratio2));
Canvas[i, j] = (uint)c.ToArgb();
}
}
}
public static Color Add(this Color This, int value) => This.Add(value, value, value);
public static Color Darken(this Color This, byte amount) => This.Add(-amount);
public static Color Lighten(this Color This, byte amount) => This.Add(amount);
