public MazeGraphic Paint(Maze maze, MazeGenerationOptions options)
{
ImageSizesHelper helper = new ImageSizesHelper();
ImageSizes sizes = helper.CalculateSizes(maze, options);
using (Bitmap bitmap = new Bitmap(sizes.Width, sizes.Height))
{
using (Graphics graphics = Graphics.FromImage(bitmap))
{
this.DrawMaze(maze, graphics, sizes);
using (MemoryStream memoryStream = new MemoryStream())
{
bitmap.Save(memoryStream, ImageFormat.Jpeg);
return(new MazeGraphic
{
Name = Guid.NewGuid().ToString(GuidFormats.Digits),
GraphicType = "image",
Content = memoryStream.ToArray()
});
}
}
}
}
private void DrawMaze(Maze maze, Graphics graphics, ImageSizes sizes)
{
Pen pen = new Pen(Color.White, 2);
float currentPositionX = sizes.MarginX;
float currentPositionY = sizes.MarginY;
float width = sizes.CellWidth;
float height = sizes.CellHeight;
for (int i = 0; i < maze.Length; i++)
{
currentPositionY = sizes.MarginY;
for (int j = 0; j < maze[i].Length; j++)
{
MazeCell currentCell = maze[i][j];
if (currentCell.HasWall(MazeWall.Bottom))
{
graphics.DrawLine(pen, currentPositionX, currentPositionY, currentPositionX + width, currentPositionY);
}
if (currentCell.HasWall(MazeWall.Right))
{
graphics.DrawLine(pen, currentPositionX + width, currentPositionY, currentPositionX + width, currentPositionY + height);
}
if (currentCell.HasWall(MazeWall.Top))
{
graphics.DrawLine(pen, currentPositionX + width, currentPositionY + height, currentPositionX, currentPositionY + height);
}
if (currentCell.HasWall(MazeWall.Left))
{
graphics.DrawLine(pen, currentPositionX, currentPositionY + height, currentPositionX, currentPositionY);
}
currentPositionY += sizes.CellHeight;
}
currentPositionX += sizes.CellWidth;
}
}
public ImageSizes CalculateSizes(Maze maze, MazeGenerationOptions options)
{
ImageSizes result = new ImageSizes();
if (options.FixedSize)
{
result.Width = (int)(sizeX + 2 * marginX);
result.Height = (int)(sizeY + 2 * marginY);
result.CellWidth = (int)(sizeX / maze.Length);
result.CellHeight = (int)(sizeY / maze[0].Length);
}
else
{
result.CellWidth = 25;
result.CellHeight = 25;
result.Width = (int)(marginX * 2 + result.CellWidth * maze.Length);
result.Height = (int)(marginY * 2 + result.CellHeight * maze[0].Length);
}
result.MarginX = marginX;
result.MarginY = marginY;
return(result);
}
