C#GDI+阴影笔刷样式HatchStyle探讨

命名空间：System.Drawing.Drawing2D.HatchBrush

在创建笔刷时，需要传入参数

1.阴影样式HatchStyle

2.前景色

3.背景色

Brush brs1 = new HatchBrush(参数1,参数2, 参数3);

参数1中HatchStyle为枚举值，且枚举很多有0-52，突发奇想，想试试每种笔刷的效果，结果如下，可供参考：

测试代码，使用循环生成枚举笔刷绘制：

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public partial class Form1 : Form     {         public Form1()         {             InitializeComponent();             string code = GetAllBrushCode();         }           private void Form1_Paint(object sender, PaintEventArgs e)         {             Graphics g = e.Graphics;             Point start = new Point(50, 50);             Point end = new Point(300, 50);             //前景色             Color color1 = Color.Blue;             //背景色             Color color2 = Color.Yellow;             //每根线之间的间距             int margin = 10;             //每个笔刷的宽度             int pwidth = 10;             //笔刷             //1.颜色笔刷             Brush br1 = new SolidBrush(Color.Black);             Pen p1 = new Pen(br1, pwidth);             g.DrawLine(p1, NewPoint(start, 0), NewPoint(end, 0));             //2.阴影画刷             //复制code生成的代码开始             //样式1             Brush brs1 = new HatchBrush((HatchStyle)0, color1, color2);             Pen ps1 = new Pen(brs1, pwidth);             g.DrawLine(ps1, NewPoint(start, 22), NewPoint(end, 22));             g.DrawString("HatchStyle.Horizontal", new Font("微软雅黑", 8), br1, NewPoint(end, 23));             //样式2             Brush brs2 = new HatchBrush((HatchStyle)1, color1, color2);             Pen ps2 = new Pen(brs2, pwidth);             g.DrawLine(ps2, NewPoint(start, 44), NewPoint(end, 44));             g.DrawString("HatchStyle.Vertical", new Font("微软雅黑", 8), br1, NewPoint(end, 46));             //样式3             Brush brs3 = new HatchBrush((HatchStyle)2, color1, color2);             Pen ps3 = new Pen(brs3, pwidth);             g.DrawLine(ps3, NewPoint(start, 66), NewPoint(end, 66));             g.DrawString("HatchStyle.ForwardDiagonal", new Font("微软雅黑", 8), br1, NewPoint(end, 69));             //样式4             Brush brs4 = new HatchBrush((HatchStyle)3, color1, color2);             Pen ps4 = new Pen(brs4, pwidth);             g.DrawLine(ps4, NewPoint(start, 88), NewPoint(end, 88));             g.DrawString("HatchStyle.BackwardDiagonal", new Font("微软雅黑", 8), br1, NewPoint(end, 92));             //样式5             Brush brs5 = new HatchBrush((HatchStyle)4, color1, color2);             Pen ps5 = new Pen(brs5, pwidth);             g.DrawLine(ps5, NewPoint(start, 110), NewPoint(end, 110));             g.DrawString("HatchStyle.LargeGrid", new Font("微软雅黑", 8), br1, NewPoint(end, 115));             //样式6             Brush brs6 = new HatchBrush((HatchStyle)5, color1, color2);             Pen ps6 = new Pen(brs6, pwidth);             g.DrawLine(ps6, NewPoint(start, 132), NewPoint(end, 132));             g.DrawString("HatchStyle.DiagonalCross", new Font("微软雅黑", 8), br1, NewPoint(end, 138));             //样式7             Brush brs7 = new HatchBrush((HatchStyle)6, color1, color2);             Pen ps7 = new Pen(brs7, pwidth);             g.DrawLine(ps7, NewPoint(start, 154), NewPoint(end, 154));             g.DrawString("HatchStyle.Percent05", new Font("微软雅黑", 8), br1, NewPoint(end, 161));             //样式8             Brush brs8 = new HatchBrush((HatchStyle)7, color1, color2);             Pen ps8 = new Pen(brs8, pwidth);             g.DrawLine(ps8, NewPoint(start, 176), NewPoint(end, 176));             g.DrawString("HatchStyle.Percent10", new Font("微软雅黑", 8), br1, NewPoint(end, 184));             //样式9             Brush brs9 = new HatchBrush((HatchStyle)8, color1, color2);             Pen ps9 = new Pen(brs9, pwidth);             g.DrawLine(ps9, NewPoint(start, 198), NewPoint(end, 198));             g.DrawString("HatchStyle.Percent20", new Font("微软雅黑", 8), br1, NewPoint(end, 207));             //样式10             Brush brs10 = new HatchBrush((HatchStyle)9, color1, color2);             Pen ps10 = new Pen(brs10, pwidth);             g.DrawLine(ps10, NewPoint(start, 220), NewPoint(end, 220));             g.DrawString("HatchStyle.Percent25", new Font("微软雅黑", 8), br1, NewPoint(end, 230));             //样式11             Brush brs11 = new HatchBrush((HatchStyle)10, color1, color2);             Pen ps11 = new Pen(brs11, pwidth);             g.DrawLine(ps11, NewPoint(start, 242), NewPoint(end, 242));             g.DrawString("HatchStyle.Percent30", new Font("微软雅黑", 8), br1, NewPoint(end, 253));             //样式12             Brush brs12 = new HatchBrush((HatchStyle)11, color1, color2);             Pen ps12 = new Pen(brs12, pwidth);             g.DrawLine(ps12, NewPoint(start, 264), NewPoint(end, 264));             g.DrawString("HatchStyle.Percent40", new Font("微软雅黑", 8), br1, NewPoint(end, 276));             //样式13             Brush brs13 = new HatchBrush((HatchStyle)12, color1, color2);             Pen ps13 = new Pen(brs13, pwidth);             g.DrawLine(ps13, NewPoint(start, 286), NewPoint(end, 286));             g.DrawString("HatchStyle.Percent50", new Font("微软雅黑", 8), br1, NewPoint(end, 299));             //样式14             Brush brs14 = new HatchBrush((HatchStyle)13, color1, color2);             Pen ps14 = new Pen(brs14, pwidth);             g.DrawLine(ps14, NewPoint(start, 308), NewPoint(end, 308));             g.DrawString("HatchStyle.Percent60", new Font("微软雅黑", 8), br1, NewPoint(end, 322));             //样式15             Brush brs15 = new HatchBrush((HatchStyle)14, color1, color2);             Pen ps15 = new Pen(brs15, pwidth);             g.DrawLine(ps15, NewPoint(start, 330), NewPoint(end, 330));             g.DrawString("HatchStyle.Percent70", new Font("微软雅黑", 8), br1, NewPoint(end, 345));             //样式16             Brush brs16 = new HatchBrush((HatchStyle)15, color1, color2);             Pen ps16 = new Pen(brs16, pwidth);             g.DrawLine(ps16, NewPoint(start, 352), NewPoint(end, 352));             g.DrawString("HatchStyle.Percent75", new Font("微软雅黑", 8), br1, NewPoint(end, 368));             //样式17             Brush brs17 = new HatchBrush((HatchStyle)16, color1, color2);             Pen ps17 = new Pen(brs17, pwidth);             g.DrawLine(ps17, NewPoint(start, 374), NewPoint(end, 374));             g.DrawString("HatchStyle.Percent80", new Font("微软雅黑", 8), br1, NewPoint(end, 391));             //样式18             Brush brs18 = new HatchBrush((HatchStyle)17, color1, color2);             Pen ps18 = new Pen(brs18, pwidth);             g.DrawLine(ps18, NewPoint(start, 396), NewPoint(end, 396));             g.DrawString("HatchStyle.Percent90", new Font("微软雅黑", 8), br1, NewPoint(end, 414));             //样式19             Brush brs19 = new HatchBrush((HatchStyle)18, color1, color2);             Pen ps19 = new Pen(brs19, pwidth);             g.DrawLine(ps19, NewPoint(start, 418), NewPoint(end, 418));             g.DrawString("HatchStyle.LightDownwardDiagonal", new Font("微软雅黑", 8), br1, NewPoint(end, 437));             //样式20             Brush brs20 = new HatchBrush((HatchStyle)19, color1, color2);             Pen ps20 = new Pen(brs20, pwidth);             g.DrawLine(ps20, NewPoint(start, 440), NewPoint(end, 440));             g.DrawString("HatchStyle.LightUpwardDiagonal", new Font("微软雅黑", 8), br1, NewPoint(end, 460));             //样式21             Brush brs21 = new HatchBrush((HatchStyle)20, color1, color2);             Pen ps21 = new Pen(brs21, pwidth);             g.DrawLine(ps21, NewPoint(start, 462), NewPoint(end, 462));             g.DrawString("HatchStyle.DarkDownwardDiagonal", new Font("微软雅黑", 8), br1, NewPoint(end, 483));             //样式22             Brush brs22 = new HatchBrush((HatchStyle)21, color1, color2);             Pen ps22 = new Pen(brs22, pwidth);             g.DrawLine(ps22, NewPoint(start, 484), NewPoint(end, 484));             g.DrawString("HatchStyle.DarkUpwardDiagonal", new Font("微软雅黑", 8), br1, NewPoint(end, 506));             //样式23             Brush brs23 = new HatchBrush((HatchStyle)22, color1, color2);             Pen ps23 = new Pen(brs23, pwidth);             g.DrawLine(ps23, NewPoint(start, 506), NewPoint(end, 506));             g.DrawString("HatchStyle.WideDownwardDiagonal", new Font("微软雅黑", 8), br1, NewPoint(end, 529));             //样式24             Brush brs24 = new HatchBrush((HatchStyle)23, color1, color2);             Pen ps24 = new Pen(brs24, pwidth);             g.DrawLine(ps24, NewPoint(start, 528), NewPoint(end, 528));             g.DrawString("HatchStyle.WideUpwardDiagonal", new Font("微软雅黑", 8), br1, NewPoint(end, 552));             //样式25             Brush brs25 = new HatchBrush((HatchStyle)24, color1, color2);             Pen ps25 = new Pen(brs25, pwidth);             g.DrawLine(ps25, NewPoint(start, 550), NewPoint(end, 550));             g.DrawString("HatchStyle.LightVertical", new Font("微软雅黑", 8), br1, NewPoint(end, 575));             //样式26             Brush brs26 = new HatchBrush((HatchStyle)25, color1, color2);             Pen ps26 = new Pen(brs26, pwidth);             g.DrawLine(ps26, NewPoint(start, 572), NewPoint(end, 572));             g.DrawString("HatchStyle.LightHorizontal", new Font("微软雅黑", 8), br1, NewPoint(end, 598));             //样式27             Brush brs27 = new HatchBrush((HatchStyle)26, color1, color2);             Pen ps27 = new Pen(brs27, pwidth);             g.DrawLine(ps27, NewPoint(start, 594), NewPoint(end, 594));             g.DrawString("HatchStyle.NarrowVertical", new Font("微软雅黑", 8), br1, NewPoint(end, 621));             //样式28             Brush brs28 = new HatchBrush((HatchStyle)27, color1, color2);             Pen ps28 = new Pen(brs28, pwidth);             g.DrawLine(ps28, NewPoint(start, 616), NewPoint(end, 616));             g.DrawString("HatchStyle.NarrowHorizontal", new Font("微软雅黑", 8), br1, NewPoint(end, 644));             //样式29             Brush brs29 = new HatchBrush((HatchStyle)28, color1, color2);             Pen ps29 = new Pen(brs29, pwidth);             g.DrawLine(ps29, NewPoint(start, 638), NewPoint(end, 638));             g.DrawString("HatchStyle.DarkVertical", new Font("微软雅黑", 8), br1, NewPoint(end, 667));             //样式30             Brush brs30 = new HatchBrush((HatchStyle)29, color1, color2);             Pen ps30 = new Pen(brs30, pwidth);             g.DrawLine(ps30, NewPoint(start, 660), NewPoint(end, 660));             g.DrawString("HatchStyle.DarkHorizontal", new Font("微软雅黑", 8), br1, NewPoint(end, 690));             //样式31             Brush brs31 = new HatchBrush((HatchStyle)30, color1, color2);             Pen ps31 = new Pen(brs31, pwidth);             g.DrawLine(ps31, NewPoint(start, 682), NewPoint(end, 682));             g.DrawString("HatchStyle.DashedDownwardDiagonal", new Font("微软雅黑", 8), br1, NewPoint(end, 713));             //样式32             Brush brs32 = new HatchBrush((HatchStyle)31, color1, color2);             Pen ps32 = new Pen(brs32, pwidth);             g.DrawLine(ps32, NewPoint(start, 704), NewPoint(end, 704));             g.DrawString("HatchStyle.DashedUpwardDiagonal", new Font("微软雅黑", 8), br1, NewPoint(end, 736));             //样式33             Brush brs33 = new HatchBrush((HatchStyle)32, color1, color2);             Pen ps33 = new Pen(brs33, pwidth);             g.DrawLine(ps33, NewPoint(start, 726), NewPoint(end, 726));             g.DrawString("HatchStyle.DashedHorizontal", new Font("微软雅黑", 8), br1, NewPoint(end, 759));             //样式34             Brush brs34 = new HatchBrush((HatchStyle)33, color1, color2);             Pen ps34 = new Pen(brs34, pwidth);             g.DrawLine(ps34, NewPoint(start, 748), NewPoint(end, 748));             g.DrawString("HatchStyle.DashedVertical", new Font("微软雅黑", 8), br1, NewPoint(end, 782));             //样式35             Brush brs35 = new HatchBrush((HatchStyle)34, color1, color2);             Pen ps35 = new Pen(brs35, pwidth);             g.DrawLine(ps35, NewPoint(start, 770), NewPoint(end, 770));             g.DrawString("HatchStyle.SmallConfetti", new Font("微软雅黑", 8), br1, NewPoint(end, 805));             //样式36             Brush brs36 = new HatchBrush((HatchStyle)35, color1, color2);             Pen ps36 = new Pen(brs36, pwidth);             g.DrawLine(ps36, NewPoint(start, 792), NewPoint(end, 792));             g.DrawString("HatchStyle.LargeConfetti", new Font("微软雅黑", 8), br1, NewPoint(end, 828));             //样式37             Brush brs37 = new HatchBrush((HatchStyle)36, color1, color2);             Pen ps37 = new Pen(brs37, pwidth);             g.DrawLine(ps37, NewPoint(start, 814), NewPoint(end, 814));             g.DrawString("HatchStyle.ZigZag", new Font("微软雅黑", 8), br1, NewPoint(end, 851));             //样式38             Brush brs38 = new HatchBrush((HatchStyle)37, color1, color2);             Pen ps38 = new Pen(brs38, pwidth);             g.DrawLine(ps38, NewPoint(start, 836), NewPoint(end, 836));             g.DrawString("HatchStyle.Wave", new Font("微软雅黑", 8), br1, NewPoint(end, 874));             //样式39             Brush brs39 = new HatchBrush((HatchStyle)38, color1, color2);             Pen ps39 = new Pen(brs39, pwidth);             g.DrawLine(ps39, NewPoint(start, 858), NewPoint(end, 858));             g.DrawString("HatchStyle.DiagonalBrick", new Font("微软雅黑", 8), br1, NewPoint(end, 897));             //样式40             Brush brs40 = new HatchBrush((HatchStyle)39, color1, color2);             Pen ps40 = new Pen(brs40, pwidth);             g.DrawLine(ps40, NewPoint(start, 880), NewPoint(end, 880));             g.DrawString("HatchStyle.HorizontalBrick", new Font("微软雅黑", 8), br1, NewPoint(end, 920));             //样式41             Brush brs41 = new HatchBrush((HatchStyle)40, color1, color2);             Pen ps41 = new Pen(brs41, pwidth);             g.DrawLine(ps41, NewPoint(start, 902), NewPoint(end, 902));             g.DrawString("HatchStyle.Weave", new Font("微软雅黑", 8), br1, NewPoint(end, 943));             //样式42             Brush brs42 = new HatchBrush((HatchStyle)41, color1, color2);             Pen ps42 = new Pen(brs42, pwidth);             g.DrawLine(ps42, NewPoint(start, 924), NewPoint(end, 924));             g.DrawString("HatchStyle.Plaid", new Font("微软雅黑", 8), br1, NewPoint(end, 966));             //样式43             Brush brs43 = new HatchBrush((HatchStyle)42, color1, color2);             Pen ps43 = new Pen(brs43, pwidth);             g.DrawLine(ps43, NewPoint(start, 946), NewPoint(end, 946));             g.DrawString("HatchStyle.Divot", new Font("微软雅黑", 8), br1, NewPoint(end, 989));             //样式44             Brush brs44 = new HatchBrush((HatchStyle)43, color1, color2);             Pen ps44 = new Pen(brs44, pwidth);             g.DrawLine(ps44, NewPoint(start, 968), NewPoint(end, 968));             g.DrawString("HatchStyle.DottedGrid", new Font("微软雅黑", 8), br1, NewPoint(end, 1012));             //样式45             Brush brs45 = new HatchBrush((HatchStyle)44, color1, color2);             Pen ps45 = new Pen(brs45, pwidth);             g.DrawLine(ps45, NewPoint(start, 990), NewPoint(end, 990));             g.DrawString("HatchStyle.DottedDiamond", new Font("微软雅黑", 8), br1, NewPoint(end, 1035));             //样式46             Brush brs46 = new HatchBrush((HatchStyle)45, color1, color2);             Pen ps46 = new Pen(brs46, pwidth);             g.DrawLine(ps46, NewPoint(start, 1012), NewPoint(end, 1012));             g.DrawString("HatchStyle.Shingle", new Font("微软雅黑", 8), br1, NewPoint(end, 1058));             //样式47             Brush brs47 = new HatchBrush((HatchStyle)46, color1, color2);             Pen ps47 = new Pen(brs47, pwidth);             g.DrawLine(ps47, NewPoint(start, 1034), NewPoint(end, 1034));             g.DrawString("HatchStyle.Trellis", new Font("微软雅黑", 8), br1, NewPoint(end, 1081));             //样式48             Brush brs48 = new HatchBrush((HatchStyle)47, color1, color2);             Pen ps48 = new Pen(brs48, pwidth);             g.DrawLine(ps48, NewPoint(start, 1056), NewPoint(end, 1056));             g.DrawString("HatchStyle.Sphere", new Font("微软雅黑", 8), br1, NewPoint(end, 1104));             //样式49             Brush brs49 = new HatchBrush((HatchStyle)48, color1, color2);             Pen ps49 = new Pen(brs49, pwidth);             g.DrawLine(ps49, NewPoint(start, 1078), NewPoint(end, 1078));             g.DrawString("HatchStyle.SmallGrid", new Font("微软雅黑", 8), br1, NewPoint(end, 1127));             //样式50             Brush brs50 = new HatchBrush((HatchStyle)49, color1, color2);             Pen ps50 = new Pen(brs50, pwidth);             g.DrawLine(ps50, NewPoint(start, 1100), NewPoint(end, 1100));             g.DrawString("HatchStyle.SmallCheckerBoard", new Font("微软雅黑", 8), br1, NewPoint(end, 1150));             //样式51             Brush brs51 = new HatchBrush((HatchStyle)50, color1, color2);             Pen ps51 = new Pen(brs51, pwidth);             g.DrawLine(ps51, NewPoint(start, 1122), NewPoint(end, 1122));             g.DrawString("HatchStyle.LargeCheckerBoard", new Font("微软雅黑", 8), br1, NewPoint(end, 1173));             //样式52             Brush brs52 = new HatchBrush((HatchStyle)51, color1, color2);             Pen ps52 = new Pen(brs52, pwidth);             g.DrawLine(ps52, NewPoint(start, 1144), NewPoint(end, 1144));             g.DrawString("HatchStyle.OutlinedDiamond", new Font("微软雅黑", 8), br1, NewPoint(end, 1196));               //复制code生成的代码结束         }           /// <summary>         /// 将传入的点往y轴方向下移一定的距离         /// </summary>         /// <param name="offset"></param>         private Point NewPoint(Point p, int offset)         {             p.Y += offset;             return p;         }           private string GetAllBrushCode()         {             string a = "";             for (int i = 1; i <= 52; i++)             {                 a += "//样式" + i.ToString() + "\r\n";                 a += "Brush brs" + i.ToString() + " = new HatchBrush((HatchStyle)" + (i - 1).ToString() + ", color1, color2);\r\n";                 a += "Pen ps" + i.ToString() + " = new Pen(brs" + i.ToString() + ", pwidth);\r\n";                 a += "g.DrawLine(ps" + i.ToString() + ", NewPoint(start, " + (i * 22).ToString() + "), NewPoint(end, " + (i * 22).ToString() + "));\r\n";                 a += "g.DrawString(\"HatchStyle." + getBrushName(i - 1) + "\", new Font(\"微软雅黑\", 8), br1, NewPoint(end, " + (i * 23).ToString() + "));\r\n";               }             return a;         }           private string getBrushName(int index)         {             HatchStyle temp = (HatchStyle)index;             return temp.ToString();         }     }