namespace MessagingToolkit.QRCode.Geom;

public class SamplingGrid
{
	private class AreaGrid
	{
		private SamplingGrid enclosingInstance;

		private Line[] xLine;

		private Line[] yLine;

		public virtual int Width => xLine.Length;

		public virtual int Height => yLine.Length;

		public virtual Line[] XLines => xLine;

		public virtual Line[] YLines => yLine;

		public SamplingGrid Enclosing_Instance => enclosingInstance;

		private void InitBlock(SamplingGrid enclosingInstance)
		{
			this.enclosingInstance = enclosingInstance;
		}

		public AreaGrid(SamplingGrid enclosingInstance, int width, int height)
		{
			InitBlock(enclosingInstance);
			xLine = new Line[width];
			yLine = new Line[height];
		}

		public virtual Line getXLine(int x)
		{
			return xLine[x];
		}

		public virtual Line getYLine(int y)
		{
			return yLine[y];
		}

		public virtual void setXLine(int x, Line line)
		{
			xLine[x] = line;
		}

		public virtual void setYLine(int y, Line line)
		{
			yLine[y] = line;
		}
	}

	private AreaGrid[][] grid;

	public virtual int TotalWidth
	{
		get
		{
			int num = 0;
			for (int i = 0; i < grid.Length; i++)
			{
				num += grid[i][0].Width;
				if (i > 0)
				{
					num--;
				}
			}
			return num;
		}
	}

	public virtual int TotalHeight
	{
		get
		{
			int num = 0;
			for (int i = 0; i < grid[0].Length; i++)
			{
				num += grid[0][i].Height;
				if (i > 0)
				{
					num--;
				}
			}
			return num;
		}
	}

	public SamplingGrid(int sqrtNumArea)
	{
		grid = new AreaGrid[sqrtNumArea][];
		for (int i = 0; i < sqrtNumArea; i++)
		{
			grid[i] = new AreaGrid[sqrtNumArea];
		}
	}

	public virtual void initGrid(int ax, int ay, int width, int height)
	{
		grid[ax][ay] = new AreaGrid(this, width, height);
	}

	public virtual void setXLine(int ax, int ay, int x, Line line)
	{
		grid[ax][ay].setXLine(x, line);
	}

	public virtual void setYLine(int ax, int ay, int y, Line line)
	{
		grid[ax][ay].setYLine(y, line);
	}

	public virtual Line getXLine(int ax, int ay, int x)
	{
		return grid[ax][ay].getXLine(x);
	}

	public virtual Line getYLine(int ax, int ay, int y)
	{
		return grid[ax][ay].getYLine(y);
	}

	public virtual Line[] getXLines(int ax, int ay)
	{
		return grid[ax][ay].XLines;
	}

	public virtual Line[] getYLines(int ax, int ay)
	{
		return grid[ax][ay].YLines;
	}

	public virtual int getWidth()
	{
		return grid[0].Length;
	}

	public virtual int getHeight()
	{
		return grid.Length;
	}

	public virtual int getWidth(int ax, int ay)
	{
		return grid[ax][ay].Width;
	}

	public virtual int getHeight(int ax, int ay)
	{
		return grid[ax][ay].Height;
	}

	public virtual int getX(int ax, int x)
	{
		int num = x;
		for (int i = 0; i < ax; i++)
		{
			num += grid[i][0].Width - 1;
		}
		return num;
	}

	public virtual int getY(int ay, int y)
	{
		int num = y;
		for (int i = 0; i < ay; i++)
		{
			num += grid[0][i].Height - 1;
		}
		return num;
	}

	public virtual void adjust(Point adjust)
	{
		int x = adjust.X;
		int y = adjust.Y;
		for (int i = 0; i < grid[0].Length; i++)
		{
			for (int j = 0; j < grid.Length; j++)
			{
				for (int k = 0; k < grid[j][i].XLines.Length; k++)
				{
					grid[j][i].XLines[k].translate(x, y);
				}
				for (int l = 0; l < grid[j][i].YLines.Length; l++)
				{
					grid[j][i].YLines[l].translate(x, y);
				}
			}
		}
	}
}