代码如下。
1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Net;
5 using System.Windows;
6 using System.Windows.Controls;
7 using System.Windows.Documents;
8 using System.Windows.Ink;
9 using System.Windows.Input;
10 using System.Windows.Media;
11 using System.Windows.Media.Animation;
12 using System.Windows.Shapes;
13 using System.Windows.Media.Imaging;
14
15
16
17 namespace customCom
18 {
19
20 public partial class RightInstrumentpanel : UserControl
21 {
22 private int iMaxValue = 30; //刻度最大值
23 private int iMinValue = 0; //刻度最小值
24 private int iMaxMarkScale = 10; //刻度进制
25 private int iMinMarkNumber = 5; //刻度数
26 private float iPointValue = 0; //液面初始化
27 private string iBackGroup = "RightInstrumentpanel_Background.png"; //背景图片
28 private double iBaseLength = 150; //基础边长
29
30 //
31 public RightInstrumentpanel()
32 {
33 InitializeComponent();
34 MainPaint();
35 }
36 //刻度最大值
37 public int MaxValue
38 {
39 get { return iMaxValue; }
40 set
41 {
42 iMaxValue = value;
43 MainPaint();
44 }
45 }
46
47 //刻度最小值
48 public int MinValue
49 {
50 get { return iMinValue; }
51 set
52 {
53 iMinValue = value;
54 MainPaint();
55 }
56 }
57
58 //刻度数
59 public int MinMarkNumber
60 {
61 get { return iMinMarkNumber; }
62 set
63 {
64 iMinMarkNumber = value;
65 MainPaint();
66 }
67 }
68
69 //最大角度
70 public int MaxAngle
71 {
72 get { return iMinValue; }
73 set
74 {
75 iMinValue = value;
76 MainPaint();
77 }
78 }
79
80 //指针值初始化
81 public float PointValue
82 {
83 get { return iPointValue; }
84 set
85 {
86 iPointValue = value;
87 MainPaint();
88 }
89 }
90
91
92 public void MainPaint()
93 {
94 mainCanvas.Children.Clear();
95 //与边框绑定
96 double iCurrentLength = mainControl.Width;
97 //加载背景图
98 mainCanvas.Background = new ImageBrush()
99 {
100 ImageSource = new BitmapImage(new Uri(iBackGroup, UriKind.RelativeOrAbsolute))
101 };
102
103 //加载大刻度
104 mainCanvas.Children.Clear();
105 for (int i = 0; i <= (iMaxValue - iMinValue) / iMaxMarkScale; i++)
106 {
107 //加载刻度
108 Image imTemp = new Image();
109 imTemp.Source = new BitmapImage(new Uri("RightInstrumentpanel_MarkImage.png", UriKind.RelativeOrAbsolute));
110 mainCanvas.Children.Add(imTemp);
111 imTemp.Width = 30;
112 imTemp.Height = 20;
113
114 //刻度位置
115 TranslateTransform ttForm = new TranslateTransform();
116 ttForm.X = 150 * iCurrentLength / iBaseLength;
117 ttForm.Y = (230 * i) * iCurrentLength / iBaseLength;
118 imTemp.RenderTransform = ttForm;
119
120 //加载刻度数值
121 Label imlabelTemp = new Label();
122 imlabelTemp.Content =iMaxValue - iMaxMarkScale * i;
123 mainCanvas.Children.Add(imlabelTemp);
124 imlabelTemp.Height =20;
125
126 //刻度数值位置
127 ttForm = new TranslateTransform();
128 ttForm.X = 170 * iCurrentLength / iBaseLength;
129 ttForm.Y = (230 * i) * iCurrentLength / iBaseLength;
130 imlabelTemp.RenderTransform = ttForm;
131
132 ////加载小刻度
133 //float fMinMarkMinAngle = iMaxValue + (iMaxValue-iMinValue)/ ((iMaxValue - iMinValue) / iMaxMarkScale) * i;
134 //float fMinMarkScale = (iMaxValue - iMinValue)/ ((iMaxValue - iMinValue) / iMaxMarkScale) / (iMinMarkNumber + 1);
135 //for (int j = 0; j < iMinMarkNumber; j++)
136 //{
137 // if (i < (iMaxValue - iMinValue) / iMaxMarkScale)
138 // {
139 // //加载刻度
140 // Image imSmallTemp = new Image();
141 // imSmallTemp.Source = new BitmapImage(new Uri("RightInstrumentpanel_MarkImage.png", UriKind.RelativeOrAbsolute));
142 // mainCanvas.Children.Add(imSmallTemp); //图片大小
143 // imSmallTemp.Width = 20;
144 // imSmallTemp.Height = 10;
145
146 // //刻度位置
147 // TranslateTransform ttSmallForm = new TranslateTransform();
148 // ttSmallForm.X = 150 * iCurrentLength / iBaseLength;
149 // ttSmallForm.Y = 6 * (fMinMarkMinAngle + fMinMarkScale * (j-26));
150
151 // //调用函数
152 // TransformGroup tfSmallGroup = new TransformGroup();
153 // tfSmallGroup.Children.Add(ttSmallForm);
154 // imSmallTemp.RenderTransform = tfSmallGroup;
155 // }
156 //}
157
158 //加载液面
159 Image imPoint = new Image();
160 //调用液面图片
161 imPoint.Source = new BitmapImage(new Uri("RightInstrumentpanel_PointImage.png", UriKind.RelativeOrAbsolute));
162 mainCanvas.Children.Add(imPoint);
163 imPoint.Width = 38;
164
165 //液面上下浮动位置
166 ScaleTransform stPoint = new ScaleTransform();
167 stPoint.ScaleX = 1;
168 stPoint.ScaleY = (200*(iPointValue/iMaxValue))/290;
169
170 //液面坐标
171 TranslateTransform ttPointForm = new TranslateTransform();
172 ttPointForm.X = 1;
173 ttPointForm.Y = 200 * (1 - iPointValue / iMaxValue);
174
175 //调用函数
176 TransformGroup tfPointGroup = new TransformGroup();
177 tfPointGroup.Children.Add(stPoint);
178 tfPointGroup.Children.Add(ttPointForm);
179 imPoint.RenderTransform = tfPointGroup;
180 }
181 }
182 //绑定刻度与背景图
183 private void mainCanvas_SizeChanged(object sender, SizeChangedEventArgs e)
184 {
185 MainPaint();
186 }
187 }
188 }
温度计边框绑定不上，拖动大小的时候刻度数值不能跟着温度计边框移动。小刻度数值不能正确排列，算法我实在弄不出来了。。。液面位置对应不到刻度上。三个问题。。。请大家帮帮我。恢复的时候请把源码给我。。。万分感谢。如果不明白我就把源码发给你。
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