public Circle(Pixel center, Pixel anyDotOnCircle, Color color)
: this(center, center.Distance(anyDotOnCircle), color)
{
}
public Circle(Pixel center, int radius, Color color)
: this(center, radius)
{
pen = new Pen(color);
}
public Circle(Pixel center, int radius)
{
leftUpCorner = new Pixel(center.x - radius, center.y - radius);
width = radius * 2;
height = radius * 2;
}
public Circle(Pixel center, Pixel anyDotOnCircle)
: this(center, center.Distance(anyDotOnCircle))
{
}
virtual public void Move(Pixel position)
{
this.position = position;
}
public void grow(int[,] filter)
{
int filterWidth = filter.GetLength(0);
int filterHeight = filter.GetLength(1);
int halfWidth = filterWidth / 2;
int halfHeight = filterHeight / 2;
Pixel[] newPixels = new Pixel[pixels.Length];
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
Pixel current = this[x, y];
if (current.r < 10 && current.g < 10 && current.b < 10)
{
int weight = 0;
int newR = 0;
int newG = 0;
int newB = 0;
for (int filterX = 0; filterX < filterWidth; filterX++)
{
for (int filterY = 0; filterY < filterHeight; filterY++)
{
int curX = x - halfWidth + filterX;
int curY = y - halfHeight + filterY;
if ((curX >= 0 && curX < width) && (curY >= 0 && curY < height))
{
Pixel next = this[curX, curY];
if (next.a > 0 || next.g > 0 || next.b > 0)
{
newR += filter[filterX, filterY] * next.r;
newG += filter[filterX, filterY] * next.g;
newB += filter[filterX, filterY] * next.b;
weight += filter[filterX, filterY];
}
}
}
}
if (weight != 0)
{
newPixels[y * width + x] = new Pixel((byte)(newB / weight), (byte)(newG / weight), (byte)(newR / weight));
}
else
{
newPixels[y * width + x] = this[x, y];
}
}
else
{
newPixels[y * width + x] = this[x, y];
}
}
}
pixels = newPixels;
}
