『尝试』随手绘制几张点阵图片

本文仅属个人尝试，最终目的是实现点阵图片存储离线数据。

本文只包括生成点阵图片的代码，不包括读取点阵图片。

 1     class Program
 2     {
 3         static void Main(string[] args)
 4         {
 5             
 6             int xp = 200;
 7             int yp = 55;
 8 
 9             for (int s = 3; s < 8; s++)
10             {
11                 int width = xp * s + (xp - 1);
12                 int height = yp * s + (yp - 1);
13 
14                 using (Bitmap bitmap = new Bitmap(width, height))
15                 {
16                     using (Graphics g = Graphics.FromImage(bitmap))
17                     {
18                         g.Clear(Color.White);
19 
20                         for (int x = 0; x < xp; x++)
21                             for (int y = 0; y < yp; y++)
22                             {
23                                 int px = x * (s + 1);
24                                 int py = y * (s + 1);
25 
26                                 //g.FillRectangle(new SolidBrush(RandomColor()), px, py, s, s);
27                                 g.FillPath(new SolidBrush(RandomColor()), GraphicsPath(px, py, s, s));
28                             }
29                     }
30                     bitmap.Save(@"D:\" + s + ".png", ImageFormat.Png);
31                 }
32             }
33 
34 
35         }
36 
37 
38         public static Color RandomColor()
39         {
40             int r = new Random(Guid.NewGuid().GetHashCode()).Next(2);
41             int g = new Random(Guid.NewGuid().GetHashCode()).Next(2);
42             int b = new Random(Guid.NewGuid().GetHashCode()).Next(2);
43 
44             return Color.FromArgb(r * 255, g * 255, b * 255);
45         }
46 
47         public static GraphicsPath GraphicsPath(int px, int py, int pw, int ph)
48         {
49             GraphicsPath path = new GraphicsPath();
50             path.StartFigure();
51             path.AddLines(new Point[]{
52                 new Point(px+1, py),
53                 new Point(px+pw-1, py),
54                 new Point(px+pw, py+1),
55                 new Point(px+pw, py+ph-2),
56                 new Point(px+pw-2, py+ph),
57                 new Point(px+1, py+ph),
58                 new Point(px, py+ph-2),
59                 new Point(px, py+1)
60             });
61 
62 
63 
64             //path.AddArc(new Rectangle(new Point(rect.X, rect.Y), new Size(2 * cRadius, 2 * cRadius)), 180, 90);
65             //path.AddLine(new Point(rect.X + cRadius, rect.Y), new Point(rect.Right - cRadius, rect.Y));
66             //path.AddArc(new Rectangle(new Point(rect.Right - 2 * cRadius, rect.Y), new Size(2 * cRadius, 2 * cRadius)), 270, 90);
67             //path.AddLine(new Point(rect.Right, rect.Y + cRadius), new Point(rect.Right, rect.Bottom - cRadius));
68             //path.AddArc(new Rectangle(new Point(rect.Right - 2 * cRadius, rect.Bottom - 2 * cRadius), new Size(2 * cRadius, 2 * cRadius)), 0, 90);
69             //path.AddLine(new Point(rect.Right - cRadius, rect.Bottom), new Point(rect.X + cRadius, rect.Bottom));
70             //path.AddArc(new Rectangle(new Point(rect.X, rect.Bottom - 2 * cRadius), new Size(2 * cRadius, 2 * cRadius)), 90, 90);
71             //path.AddLine(new Point(rect.X, rect.Bottom - cRadius), new Point(rect.X, rect.Y + cRadius));
72             path.CloseFigure();
73             return path;
74         }
75 
76     }