前提
入行已经7,8年了，一直想做一套漂亮点的自定义控件，于是就有了本系列文章。
GitHub：https://github.com/kwwwvagaa/NetWinformControl
码云：https://gitee.com/kwwwvagaa/net_winform_custom_control.git
如果觉得写的还行，请点个 star 支持一下吧
欢迎前来交流探讨： 企鹅群568015492 
麻烦博客下方点个【推荐】，谢谢
NuGet
Install-Package HZH_Controls
目录
https://www.cnblogs.com/bfyx/p/11364884.html
用处及效果
可用作水泵，风机，涡轮等
准备工作
GDI+画的，不懂的可以自行百度一下
开始
添加2个枚举，分别控制进出风口的位置
1 /// <summary>
2 /// Enum BlowerEntranceDirection
3 /// </summary>
4 public enum BlowerEntranceDirection
5 {
6 /// <summary>
7 /// The none
8 /// </summary>
9 None,
10 /// <summary>
11 /// The left
12 /// </summary>
13 Left,
14 /// <summary>
15 /// The right
16 /// </summary>
17 Right,
18 /// <summary>
19 /// Up
20 /// </summary>
21 Up
22 }
23
24 /// <summary>
25 /// Enum BlowerExitDirection
26 /// </summary>
27 public enum BlowerExitDirection
28 {
29 /// <summary>
30 /// The left
31 /// </summary>
32 Left,
33 /// <summary>
34 /// The right
35 /// </summary>
36 Right,
37 /// <summary>
38 /// Up
39 /// </summary>
40 Up
41 }
属性
1 /// <summary>
2 /// The entrance direction
3 /// </summary>
4 private BlowerEntranceDirection entranceDirection = BlowerEntranceDirection.None;
5
6 /// <summary>
7 /// Gets or sets the entrance direction.
8 /// </summary>
9 /// <value>The entrance direction.</value>
10 [Description("入口方向"), Category("自定义")]
11 public BlowerEntranceDirection EntranceDirection
12 {
13 get { return entranceDirection; }
14 set
15 {
16 entranceDirection = value;
17 Refresh();
18 }
19 }
20
21 /// <summary>
22 /// The exit direction
23 /// </summary>
24 private BlowerExitDirection exitDirection = BlowerExitDirection.Right;
25
26 /// <summary>
27 /// Gets or sets the exit direction.
28 /// </summary>
29 /// <value>The exit direction.</value>
30 [Description("出口方向"), Category("自定义")]
31 public BlowerExitDirection ExitDirection
32 {
33 get { return exitDirection; }
34 set
35 {
36 exitDirection = value;
37 Refresh();
38 }
39 }
40
41 /// <summary>
42 /// The blower color
43 /// </summary>
44 private Color blowerColor = Color.FromArgb(255, 77, 59);
45
46 /// <summary>
47 /// Gets or sets the color of the blower.
48 /// </summary>
49 /// <value>The color of the blower.</value>
50 [Description("风机颜色"), Category("自定义")]
51 public Color BlowerColor
52 {
53 get { return blowerColor; }
54 set
55 {
56 blowerColor = value;
57 Refresh();
58 }
59 }
60
61 /// <summary>
62 /// The fan color
63 /// </summary>
64 private Color fanColor = Color.FromArgb(3, 169, 243);
65
66 /// <summary>
67 /// Gets or sets the color of the fan.
68 /// </summary>
69 /// <value>The color of the fan.</value>
70 [Description("风叶颜色"), Category("自定义")]
71 public Color FanColor
72 {
73 get { return fanColor; }
74 set
75 {
76 fanColor = value;
77 Refresh();
78 }
79 }
80
81 /// <summary>
82 /// The m rect working
83 /// </summary>
84 Rectangle m_rectWorking;
重绘
1 protected override void OnPaint(PaintEventArgs e)
2 {
3 base.OnPaint(e);
4 var g = e.Graphics;
5 g.SetGDIHigh();
6 GraphicsPath pathLineIn = new GraphicsPath();
7 GraphicsPath pathLineOut = new GraphicsPath();
8 int intLinePenWidth = 0;
9
10 switch (exitDirection)
11 {
12 case BlowerExitDirection.Left:
13 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(0, m_rectWorking.Top, this.Width / 2, m_rectWorking.Height / 2 - 5));
14 intLinePenWidth = m_rectWorking.Height / 2 - 5;
15 pathLineOut.AddLine(new Point(-10, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) / 2), new Point(m_rectWorking.Left + m_rectWorking.Width / 2, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) / 2));
16 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(1, m_rectWorking.Top - 2), new Point(1, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) + 2));
17 break;
18 case BlowerExitDirection.Right:
19 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(this.Width / 2, m_rectWorking.Top, this.Width / 2, m_rectWorking.Height / 2 - 5));
20 intLinePenWidth = m_rectWorking.Height / 2 - 5;
21 pathLineOut.AddLine(new Point(this.Width + 10, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) / 2), new Point(m_rectWorking.Left + m_rectWorking.Width / 2, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) / 2));
22 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(this.Width - 2, m_rectWorking.Top - 2), new Point(this.Width - 2, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) + 2));
23 break;
24 case BlowerExitDirection.Up:
25 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(m_rectWorking.Right - (m_rectWorking.Width / 2 - 5), 0, m_rectWorking.Width / 2 - 5, this.Height / 2));
26 intLinePenWidth = m_rectWorking.Width / 2 - 5;
27 pathLineOut.AddLine(new Point(m_rectWorking.Right - (m_rectWorking.Width / 2 - 5) / 2, -10), new Point(m_rectWorking.Right - (m_rectWorking.Width / 2 - 5) / 2, m_rectWorking.Top + m_rectWorking.Height / 2));
28 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(m_rectWorking.Right + 2, 1), new Point(m_rectWorking.Right - (m_rectWorking.Width / 2 - 5) - 2, 1));
29 break;
30 }
31
32 switch (entranceDirection)
33 {
34 case BlowerEntranceDirection.Left:
35 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(0, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5, this.Width / 2, m_rectWorking.Height / 2 - 5));
36 pathLineIn.AddLine(new Point(-10, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) / 2), new Point(m_rectWorking.Left + m_rectWorking.Width / 2, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) / 2));
37 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(1, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 - 2), new Point(1, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) + 2));
38 break;
39 case BlowerEntranceDirection.Right:
40 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(this.Width / 2, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5, this.Width / 2, m_rectWorking.Height / 2 - 5));
41 pathLineIn.AddLine(new Point(this.Width + 10, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) / 2), new Point(m_rectWorking.Left + m_rectWorking.Width / 2, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) / 2));
42 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(this.Width - 2, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 - 2), new Point(this.Width - 2, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) + 2));
43 break;
44 case BlowerEntranceDirection.Up:
45 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(m_rectWorking.Left, 0, m_rectWorking.Width / 2 - 5, this.Height / 2));
46 pathLineIn.AddLine(new Point(m_rectWorking.Left + (m_rectWorking.Width / 2 - 5) / 2, -10), new Point(m_rectWorking.Left + (m_rectWorking.Width / 2 - 5) / 2, m_rectWorking.Top + m_rectWorking.Height / 2));
47 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(m_rectWorking.Left - 2, 1), new Point(m_rectWorking.Left + (m_rectWorking.Width / 2 - 5) + 2, 1));
48 break;
49 }
50
51 //渐变色
52 int _intPenWidth = intLinePenWidth;
53 int intCount = _intPenWidth / 2 / 4;
54 for (int i = 0; i < intCount; i++)
55 {
56 int _penWidth = _intPenWidth / 2 - 4 * i;
57 if (_penWidth <= 0)
58 _penWidth = 1;
59 if (entranceDirection != BlowerEntranceDirection.None)
60 g.DrawPath(new Pen(new SolidBrush(Color.FromArgb(40, Color.White.R, Color.White.G, Color.White.B)), _penWidth), pathLineIn);
61 g.DrawPath(new Pen(new SolidBrush(Color.FromArgb(40, Color.White.R, Color.White.G, Color.White.B)), _penWidth), pathLineOut);
62 if (_penWidth == 1)
63 break;
64 }
65
66 //底座
67 GraphicsPath gpDZ = new GraphicsPath();
68 gpDZ.AddLines(new Point[]
69 {
70 new Point( m_rectWorking.Left+m_rectWorking.Width/2,m_rectWorking.Top+m_rectWorking.Height/2),
71 new Point(m_rectWorking.Left+2,this.Height),
72 new Point(m_rectWorking.Right-2,this.Height)
73 });
74 gpDZ.CloseAllFigures();
75 g.FillPath(new SolidBrush(blowerColor), gpDZ);
76 g.FillPath(new SolidBrush(Color.FromArgb(50, Color.White)), gpDZ);
77 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(m_rectWorking.Left, this.Height - 2), new Point(m_rectWorking.Right, this.Height - 2));
78
79 //中心
80 g.FillEllipse(new SolidBrush(blowerColor), m_rectWorking);
81 g.FillEllipse(new SolidBrush(Color.FromArgb(20, Color.White)), m_rectWorking);
82
83
84 //扇叶
85 Rectangle _rect = new Rectangle(m_rectWorking.Left + (m_rectWorking.Width - (m_rectWorking.Width / 3 * 2)) / 2, m_rectWorking.Top + (m_rectWorking.Height - (m_rectWorking.Width / 3 * 2)) / 2, (m_rectWorking.Width / 3 * 2), (m_rectWorking.Width / 3 * 2));
86
87 int _splitCount = 8;
88 float fltSplitValue = 360F / (float)_splitCount;
89 for (int i = 0; i <= _splitCount; i++)
90 {
91 float fltAngle = (fltSplitValue * i - 180) % 360;
92 float fltY1 = (float)(_rect.Top + _rect.Width / 2 - ((_rect.Width / 2) * Math.Sin(Math.PI * (fltAngle / 180.00F))));
93 float fltX1 = (float)(_rect.Left + (_rect.Width / 2 - ((_rect.Width / 2) * Math.Cos(Math.PI * (fltAngle / 180.00F)))));
94 float fltY2 = 0;
95 float fltX2 = 0;
96
97 fltY2 = (float)(_rect.Top + _rect.Width / 2 - ((_rect.Width / 4) * Math.Sin(Math.PI * (fltAngle / 180.00F))));
98 fltX2 = (float)(_rect.Left + (_rect.Width / 2 - ((_rect.Width / 4) * Math.Cos(Math.PI * (fltAngle / 180.00F)))));
99
100 g.DrawLine(new Pen(new SolidBrush(fanColor), 2), new PointF(fltX1, fltY1), new PointF(fltX2, fltY2));
101 }
102
103 g.FillEllipse(new SolidBrush(fanColor), new Rectangle(_rect.Left + _rect.Width / 2 - _rect.Width / 4 + 2, _rect.Top + _rect.Width / 2 - _rect.Width / 4 + 2, _rect.Width / 2 - 4, _rect.Width / 2 - 4));
104 g.FillEllipse(new SolidBrush(Color.FromArgb(50, Color.White)), new Rectangle(_rect.Left - 5, _rect.Top - 5, _rect.Width + 10, _rect.Height + 10));
105 }
全部代码
1 // ***********************************************************************
2 // Assembly : HZH_Controls
3 // Created : 2019-09-09
4 //
5 // ***********************************************************************
6 // <copyright file="UCBlower.cs">
7 // Copyright by Huang Zhenghui(黄正辉) All, QQ group:568015492 QQ:623128629 Email:[email protected]
8 // </copyright>
9 //
10 // Blog: https://www.cnblogs.com/bfyx
11 // GitHub：https://github.com/kwwwvagaa/NetWinformControl
12 // gitee：https://gitee.com/kwwwvagaa/net_winform_custom_control.git
13 //
14 // If you use this code, please keep this note.
15 // ***********************************************************************
16 using System;
17 using System.Collections.Generic;
18 using System.Linq;
19 using System.Text;
20 using System.Windows.Forms;
21 using System.Drawing;
22 using System.Drawing.Drawing2D;
23 using System.ComponentModel;
24
25 namespace HZH_Controls.Controls
26 {
27 /// <summary>
28 /// Class UCBlower.
29 /// Implements the <see cref="System.Windows.Forms.UserControl" />
30 /// </summary>
31 /// <seealso cref="System.Windows.Forms.UserControl" />
32 public class UCBlower : UserControl
33 {
34 /// <summary>
35 /// The entrance direction
36 /// </summary>
37 private BlowerEntranceDirection entranceDirection = BlowerEntranceDirection.None;
38
39 /// <summary>
40 /// Gets or sets the entrance direction.
41 /// </summary>
42 /// <value>The entrance direction.</value>
43 [Description("入口方向"), Category("自定义")]
44 public BlowerEntranceDirection EntranceDirection
45 {
46 get { return entranceDirection; }
47 set
48 {
49 entranceDirection = value;
50 Refresh();
51 }
52 }
53
54 /// <summary>
55 /// The exit direction
56 /// </summary>
57 private BlowerExitDirection exitDirection = BlowerExitDirection.Right;
58
59 /// <summary>
60 /// Gets or sets the exit direction.
61 /// </summary>
62 /// <value>The exit direction.</value>
63 [Description("出口方向"), Category("自定义")]
64 public BlowerExitDirection ExitDirection
65 {
66 get { return exitDirection; }
67 set
68 {
69 exitDirection = value;
70 Refresh();
71 }
72 }
73
74 /// <summary>
75 /// The blower color
76 /// </summary>
77 private Color blowerColor = Color.FromArgb(255, 77, 59);
78
79 /// <summary>
80 /// Gets or sets the color of the blower.
81 /// </summary>
82 /// <value>The color of the blower.</value>
83 [Description("风机颜色"), Category("自定义")]
84 public Color BlowerColor
85 {
86 get { return blowerColor; }
87 set
88 {
89 blowerColor = value;
90 Refresh();
91 }
92 }
93
94 /// <summary>
95 /// The fan color
96 /// </summary>
97 private Color fanColor = Color.FromArgb(3, 169, 243);
98
99 /// <summary>
100 /// Gets or sets the color of the fan.
101 /// </summary>
102 /// <value>The color of the fan.</value>
103 [Description("风叶颜色"), Category("自定义")]
104 public Color FanColor
105 {
106 get { return fanColor; }
107 set
108 {
109 fanColor = value;
110 Refresh();
111 }
112 }
113
114 /// <summary>
115 /// The m rect working
116 /// </summary>
117 Rectangle m_rectWorking;
118
119 /// <summary>
120 /// Initializes a new instance of the <see cref="UCBlower"/> class.
121 /// </summary>
122 public UCBlower()
123 {
124 this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
125 this.SetStyle(ControlStyles.DoubleBuffer, true);
126 this.SetStyle(ControlStyles.ResizeRedraw, true);
127 this.SetStyle(ControlStyles.Selectable, true);
128 this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
129 this.SetStyle(ControlStyles.UserPaint, true);
130 this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.None;
131 this.SizeChanged += UCBlower_SizeChanged;
132 this.Size = new Size(120, 120);
133
134 }
135
136 /// <summary>
137 /// Handles the SizeChanged event of the UCBlower control.
138 /// </summary>
139 /// <param name="sender">The source of the event.</param>
140 /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
141 void UCBlower_SizeChanged(object sender, EventArgs e)
142 {
143 int intMin = Math.Min(this.Width, this.Height);
144 m_rectWorking = new Rectangle((this.Width - (intMin / 3 * 2)) / 2, (this.Height - (intMin / 3 * 2)) / 2, (intMin / 3 * 2), (intMin / 3 * 2));
145 }
146
147 /// <summary>
148 /// 引发 <see cref="E:System.Windows.Forms.Control.Paint" /> 事件。
149 /// </summary>
150 /// <param name="e">包含事件数据的 <see cref="T:System.Windows.Forms.PaintEventArgs" />。</param>
151 protected override void OnPaint(PaintEventArgs e)
152 {
153 base.OnPaint(e);
154 var g = e.Graphics;
155 g.SetGDIHigh();
156 GraphicsPath pathLineIn = new GraphicsPath();
157 GraphicsPath pathLineOut = new GraphicsPath();
158 int intLinePenWidth = 0;
159
160 switch (exitDirection)
161 {
162 case BlowerExitDirection.Left:
163 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(0, m_rectWorking.Top, this.Width / 2, m_rectWorking.Height / 2 - 5));
164 intLinePenWidth = m_rectWorking.Height / 2 - 5;
165 pathLineOut.AddLine(new Point(-10, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) / 2), new Point(m_rectWorking.Left + m_rectWorking.Width / 2, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) / 2));
166 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(1, m_rectWorking.Top - 2), new Point(1, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) + 2));
167 break;
168 case BlowerExitDirection.Right:
169 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(this.Width / 2, m_rectWorking.Top, this.Width / 2, m_rectWorking.Height / 2 - 5));
170 intLinePenWidth = m_rectWorking.Height / 2 - 5;
171 pathLineOut.AddLine(new Point(this.Width + 10, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) / 2), new Point(m_rectWorking.Left + m_rectWorking.Width / 2, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) / 2));
172 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(this.Width - 2, m_rectWorking.Top - 2), new Point(this.Width - 2, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) + 2));
173 break;
174 case BlowerExitDirection.Up:
175 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(m_rectWorking.Right - (m_rectWorking.Width / 2 - 5), 0, m_rectWorking.Width / 2 - 5, this.Height / 2));
176 intLinePenWidth = m_rectWorking.Width / 2 - 5;
177 pathLineOut.AddLine(new Point(m_rectWorking.Right - (m_rectWorking.Width / 2 - 5) / 2, -10), new Point(m_rectWorking.Right - (m_rectWorking.Width / 2 - 5) / 2, m_rectWorking.Top + m_rectWorking.Height / 2));
178 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(m_rectWorking.Right + 2, 1), new Point(m_rectWorking.Right - (m_rectWorking.Width / 2 - 5) - 2, 1));
179 break;
180 }
181
182 switch (entranceDirection)
183 {
184 case BlowerEntranceDirection.Left:
185 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(0, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5, this.Width / 2, m_rectWorking.Height / 2 - 5));
186 pathLineIn.AddLine(new Point(-10, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) / 2), new Point(m_rectWorking.Left + m_rectWorking.Width / 2, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) / 2));
187 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(1, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 - 2), new Point(1, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) + 2));
188 break;
189 case BlowerEntranceDirection.Right:
190 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(this.Width / 2, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5, this.Width / 2, m_rectWorking.Height / 2 - 5));
191 pathLineIn.AddLine(new Point(this.Width + 10, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) / 2), new Point(m_rectWorking.Left + m_rectWorking.Width / 2, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) / 2));
192 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(this.Width - 2, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 - 2), new Point(this.Width - 2, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) + 2));
193 break;
194 case BlowerEntranceDirection.Up:
195 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(m_rectWorking.Left, 0, m_rectWorking.Width / 2 - 5, this.Height / 2));
196 pathLineIn.AddLine(new Point(m_rectWorking.Left + (m_rectWorking.Width / 2 - 5) / 2, -10), new Point(m_rectWorking.Left + (m_rectWorking.Width / 2 - 5) / 2, m_rectWorking.Top + m_rectWorking.Height / 2));
197 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(m_rectWorking.Left - 2, 1), new Point(m_rectWorking.Left + (m_rectWorking.Width / 2 - 5) + 2, 1));
198 break;
199 }
200
201 //渐变色
202 int _intPenWidth = intLinePenWidth;
203 int intCount = _intPenWidth / 2 / 4;
204 for (int i = 0; i < intCount; i++)
205 {
206 int _penWidth = _intPenWidth / 2 - 4 * i;
207 if (_penWidth <= 0)
208 _penWidth = 1;
209 if (entranceDirection != BlowerEntranceDirection.None)
210 g.DrawPath(new Pen(new SolidBrush(Color.FromArgb(40, Color.White.R, Color.White.G, Color.White.B)), _penWidth), pathLineIn);
211 g.DrawPath(new Pen(new SolidBrush(Color.FromArgb(40, Color.White.R, Color.White.G, Color.White.B)), _penWidth), pathLineOut);
212 if (_penWidth == 1)
213 break;
214 }
215
216 //底座
217 GraphicsPath gpDZ = new GraphicsPath();
218 gpDZ.AddLines(new Point[]
219 {
220 new Point( m_rectWorking.Left+m_rectWorking.Width/2,m_rectWorking.Top+m_rectWorking.Height/2),
221 new Point(m_rectWorking.Left+2,this.Height),
222 new Point(m_rectWorking.Right-2,this.Height)
223 });
224 gpDZ.CloseAllFigures();
225 g.FillPath(new SolidBrush(blowerColor), gpDZ);
226 g.FillPath(new SolidBrush(Color.FromArgb(50, Color.White)), gpDZ);
227 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(m_rectWorking.Left, this.Height - 2), new Point(m_rectWorking.Right, this.Height - 2));
228
229 //中心
230 g.FillEllipse(new SolidBrush(blowerColor), m_rectWorking);
231 g.FillEllipse(new SolidBrush(Color.FromArgb(20, Color.White)), m_rectWorking);
232
233
234 //扇叶
235 Rectangle _rect = new Rectangle(m_rectWorking.Left + (m_rectWorking.Width - (m_rectWorking.Width / 3 * 2)) / 2, m_rectWorking.Top + (m_rectWorking.Height - (m_rectWorking.Width / 3 * 2)) / 2, (m_rectWorking.Width / 3 * 2), (m_rectWorking.Width / 3 * 2));
236
237 int _splitCount = 8;
238 float fltSplitValue = 360F / (float)_splitCount;
239 for (int i = 0; i <= _splitCount; i++)
240 {
241 float fltAngle = (fltSplitValue * i - 180) % 360;
242 float fltY1 = (float)(_rect.Top + _rect.Width / 2 - ((_rect.Width / 2) * Math.Sin(Math.PI * (fltAngle / 180.00F))));
243 float fltX1 = (float)(_rect.Left + (_rect.Width / 2 - ((_rect.Width / 2) * Math.Cos(Math.PI * (fltAngle / 180.00F)))));
244 float fltY2 = 0;
245 float fltX2 = 0;
246
247 fltY2 = (float)(_rect.Top + _rect.Width / 2 - ((_rect.Width / 4) * Math.Sin(Math.PI * (fltAngle / 180.00F))));
248 fltX2 = (float)(_rect.Left + (_rect.Width / 2 - ((_rect.Width / 4) * Math.Cos(Math.PI * (fltAngle / 180.00F)))));
249
250 g.DrawLine(new Pen(new SolidBrush(fanColor), 2), new PointF(fltX1, fltY1), new PointF(fltX2, fltY2));
251 }
252
253 g.FillEllipse(new SolidBrush(fanColor), new Rectangle(_rect.Left + _rect.Width / 2 - _rect.Width / 4 + 2, _rect.Top + _rect.Width / 2 - _rect.Width / 4 + 2, _rect.Width / 2 - 4, _rect.Width / 2 - 4));
254 g.FillEllipse(new SolidBrush(Color.FromArgb(50, Color.White)), new Rectangle(_rect.Left - 5, _rect.Top - 5, _rect.Width + 10, _rect.Height + 10));
255 }
256 }
257 /// <summary>
258 /// Enum BlowerEntranceDirection
259 /// </summary>
260 public enum BlowerEntranceDirection
261 {
262 /// <summary>
263 /// The none
264 /// </summary>
265 None,
266 /// <summary>
267 /// The left
268 /// </summary>
269 Left,
270 /// <summary>
271 /// The right
272 /// </summary>
273 Right,
274 /// <summary>
275 /// Up
276 /// </summary>
277 Up
278 }
279
280 /// <summary>
281 /// Enum BlowerExitDirection
282 /// </summary>
283 public enum BlowerExitDirection
284 {
285 /// <summary>
286 /// The left
287 /// </summary>
288 Left,
289 /// <summary>
290 /// The right
291 /// </summary>
292 Right,
293 /// <summary>
294 /// Up
295 /// </summary>
296 Up
297 }
298 }
添加一个类UCBlower ，继承UserControl
最后的话
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原文地址：https://www.cnblogs.com/bfyx/p/11491253.html
时间： 2024-11-04 02:52:23