686 lines
26 KiB
C#
686 lines
26 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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namespace JoyD.Windows.CS
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{
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public partial class Setting : Form
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{
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// 创建并显示检测配置窗口
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public static Setting Form = new Setting();
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// 定时器字段
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private Timer _timer;
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// 绘制模式标志
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private bool _isDrawingMode = false;
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// 矩形绘制相关变量
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private Point _startPoint;
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private Rectangle _currentRectangle = Rectangle.Empty;
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private bool _isDrawing = false;
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private List<RegionInfo> _drawnRectangles = new List<RegionInfo>();
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private Color _selectedColor = Color.Red;
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private int _regionCounter = 0;
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// 叠加层图像 - 用于存储已完成绘制的矩形
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private Image _rectangleOverlayImage = null;
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public Setting()
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{
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InitializeComponent();
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// 订阅SizeChanged事件，确保控件大小变化时矩形框正确缩放
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this.picBoxTemp.SizeChanged += new EventHandler(PicBoxTemp_SizeChanged);
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// 设置按钮图标
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SetButtonIcon();
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// 初始化定时器
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_timer = new Timer { Interval = 1000 };
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_timer.Tick += Timer_Tick;
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// 注册窗口事件
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this.Shown += Setting_Shown;
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this.FormClosing += Setting_FormClosing;
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// 注册按钮点击事件
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btnDrawRegion.Click += BtnDrawRegion_Click;
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btnSelectColor.Click += BtnSelectColor_Click;
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}
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/// <summary>
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/// 绘制区域按钮点击事件
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/// </summary>
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private void BtnDrawRegion_Click(object sender, EventArgs e)
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{
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_isDrawingMode = btnDrawRegion.Checked;
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if (_isDrawingMode)
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{
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// 启用绘制模式
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picBoxTemp.MouseDown += PicBoxTemp_MouseDown;
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picBoxTemp.MouseMove += PicBoxTemp_MouseMove;
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picBoxTemp.MouseUp += PicBoxTemp_MouseUp;
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picBoxTemp.Cursor = Cursors.Cross;
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btnDrawRegion.ToolTipText = "绘制模式已启用，点击图片区域绘制矩形框(点击关闭)";
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}
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else
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{
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// 禁用绘制模式
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picBoxTemp.MouseDown -= PicBoxTemp_MouseDown;
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picBoxTemp.MouseMove -= PicBoxTemp_MouseMove;
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picBoxTemp.MouseUp -= PicBoxTemp_MouseUp;
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picBoxTemp.Cursor = Cursors.Default;
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_currentRectangle = Rectangle.Empty;
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btnDrawRegion.ToolTipText = "绘制温度检测区域(点击开启/关闭)";
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// 重绘以清除临时矩形
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picBoxTemp.Invalidate();
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}
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}
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/// <summary>
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/// 将控件坐标转换为图像坐标
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/// </summary>
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private Point ControlPointToImagePoint(Point controlPoint)
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{
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if (picBoxTemp.Image == null)
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return controlPoint;
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// 计算图像在控件中的缩放比例
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float scaleX = (float)picBoxTemp.Image.Width / picBoxTemp.ClientSize.Width;
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float scaleY = (float)picBoxTemp.Image.Height / picBoxTemp.ClientSize.Height;
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// 计算图像坐标
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return new Point(
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(int)(controlPoint.X * scaleX),
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(int)(controlPoint.Y * scaleY)
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);
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}
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/// <summary>
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/// 将图像坐标转换为控件坐标
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/// </summary>
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private Point ImagePointToControlPoint(Point imagePoint)
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{
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if (picBoxTemp.Image == null)
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return imagePoint;
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// 计算图像在控件中的缩放比例
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float scaleX = (float)picBoxTemp.ClientSize.Width / picBoxTemp.Image.Width;
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float scaleY = (float)picBoxTemp.ClientSize.Height / picBoxTemp.Image.Height;
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// 计算控件坐标
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return new Point(
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(int)(imagePoint.X * scaleX),
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(int)(imagePoint.Y * scaleY)
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);
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}
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/// <summary>
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/// 将图像矩形转换为控件矩形
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/// </summary>
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private Rectangle ImageRectangleToControlRectangle(Rectangle imageRectangle)
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{
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if (picBoxTemp.Image == null)
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return imageRectangle;
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// 计算图像在控件中的缩放比例
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float scaleX = (float)picBoxTemp.ClientSize.Width / picBoxTemp.Image.Width;
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float scaleY = (float)picBoxTemp.ClientSize.Height / picBoxTemp.Image.Height;
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// 计算控件矩形
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return new Rectangle(
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(int)(imageRectangle.X * scaleX),
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(int)(imageRectangle.Y * scaleY),
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(int)(imageRectangle.Width * scaleX),
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(int)(imageRectangle.Height * scaleY)
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);
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}
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/// <summary>
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/// 鼠标按下事件 - 开始绘制矩形
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/// </summary>
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private void PicBoxTemp_MouseDown(object sender, MouseEventArgs e)
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{
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if (e.Button == MouseButtons.Left && _isDrawingMode)
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{
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_startPoint = e.Location;
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_isDrawing = true;
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_currentRectangle = new Rectangle(e.X, e.Y, 0, 0);
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}
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}
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/// <summary>
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/// 鼠标移动事件 - 更新矩形大小
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/// </summary>
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private void PicBoxTemp_MouseMove(object sender, MouseEventArgs e)
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{
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if (_isDrawing && _isDrawingMode)
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{
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int width = e.X - _startPoint.X;
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int height = e.Y - _startPoint.Y;
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_currentRectangle = new Rectangle(
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width > 0 ? _startPoint.X : _startPoint.X + width,
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height > 0 ? _startPoint.Y : _startPoint.Y + height,
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Math.Abs(width),
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Math.Abs(height));
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picBoxTemp.Invalidate();
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}
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}
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/// <summary>
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/// 存储区域信息的类，包含矩形框（图像坐标）、颜色和序号
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/// </summary>
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private class RegionInfo
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{
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// 存储相对于图像的矩形坐标
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public Rectangle ImageRectangle { get; set; }
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public Color Color { get; set; }
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public int Index { get; set; }
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}
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/// <summary>
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/// 创建或更新叠加层图像（完全重绘）
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/// 仅在必要时调用，如图像尺寸改变或需要完全重绘
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/// 使用图像坐标绘制矩形
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/// </summary>
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private void CreateRectangleOverlayImage()
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{
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// 如果PictureBox没有图像或者尺寸为0，则不创建叠加层
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if (picBoxTemp.Image == null || picBoxTemp.Image.Width == 0 || picBoxTemp.Image.Height == 0)
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{
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return;
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}
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// 如果叠加层图像不存在或尺寸不匹配，创建新的
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if (_rectangleOverlayImage == null ||
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_rectangleOverlayImage.Width != picBoxTemp.Image.Width ||
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_rectangleOverlayImage.Height != picBoxTemp.Image.Height)
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{
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// 释放旧的叠加层图像资源
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if (_rectangleOverlayImage != null)
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{
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_rectangleOverlayImage.Dispose();
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}
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// 创建新的叠加层图像
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_rectangleOverlayImage = new Bitmap(picBoxTemp.Image.Width, picBoxTemp.Image.Height);
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// 清除背景为透明
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using (Graphics g = Graphics.FromImage(_rectangleOverlayImage))
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{
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g.Clear(Color.Transparent);
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}
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// 由于创建了新图像，需要重新绘制所有矩形
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foreach (RegionInfo region in _drawnRectangles)
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{
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DrawRegionToOverlay(region);
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}
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}
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else
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{
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// 清除现有叠加层图像
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using (Graphics g = Graphics.FromImage(_rectangleOverlayImage))
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{
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g.Clear(Color.Transparent);
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}
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// 重绘所有矩形
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foreach (RegionInfo region in _drawnRectangles)
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{
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DrawRegionToOverlay(region);
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}
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}
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}
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/// <summary>
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/// 将单个区域绘制到叠加层图像
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/// 用于增量绘制，避免每次都重绘所有矩形
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/// 使用图像坐标绘制矩形
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/// </summary>
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/// <param name="region">要绘制的区域信息</param>
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private void DrawRegionToOverlay(RegionInfo region)
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{
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if (_rectangleOverlayImage == null)
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return;
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using (Graphics g = Graphics.FromImage(_rectangleOverlayImage))
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{
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// 设置高质量绘图
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g.SmoothingMode = SmoothingMode.AntiAlias;
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// 使用每个区域自己的颜色绘制矩形
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g.DrawRectangle(new Pen(region.Color, 2), region.ImageRectangle);
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// 绘制区域序号
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using (Font font = new Font("Arial", 12, FontStyle.Bold))
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using (SolidBrush brush = new SolidBrush(region.Color))
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{
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// 在矩形左上角绘制序号
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Point textPosition = new Point(region.ImageRectangle.X + 5, region.ImageRectangle.Y - 15);
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// 确保文本不超出图像边界
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if (textPosition.Y < 0)
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textPosition.Y = 5;
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g.DrawString(region.Index.ToString(), font, brush, textPosition);
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}
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}
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}
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/// <summary>
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/// 鼠标释放事件 - 完成矩形绘制（优化版）
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/// 使用增量绘制，避免每次都重绘所有矩形
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/// 确保矩形坐标相对于图像而非控件
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/// </summary>
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private void PicBoxTemp_MouseUp(object sender, MouseEventArgs e)
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{
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if (_isDrawing && _isDrawingMode && e.Button == MouseButtons.Left && picBoxTemp.Image != null)
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{
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_isDrawing = false;
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// 获取相对于图像的矩形坐标
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Point imageStartPoint = ControlPointToImagePoint(new Point(_currentRectangle.X, _currentRectangle.Y));
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Point imageEndPoint = ControlPointToImagePoint(new Point(_currentRectangle.Right, _currentRectangle.Bottom));
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// 确保矩形有一定大小才添加（转换为图像坐标后检查）
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int imageWidth = Math.Abs(imageEndPoint.X - imageStartPoint.X);
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int imageHeight = Math.Abs(imageEndPoint.Y - imageStartPoint.Y);
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if (imageWidth > 5 && imageHeight > 5)
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{
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// 计算图像坐标的矩形（确保左上角为起始点）
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int imageX = Math.Min(imageStartPoint.X, imageEndPoint.X);
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int imageY = Math.Min(imageStartPoint.Y, imageEndPoint.Y);
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// 增加计数器并创建新的区域信息（存储图像坐标）
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_regionCounter++;
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RegionInfo regionInfo = new RegionInfo
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{
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ImageRectangle = new Rectangle(imageX, imageY, imageWidth, imageHeight),
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Color = _selectedColor,
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Index = _regionCounter
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};
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_drawnRectangles.Add(regionInfo);
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// 检查是否需要完全重建叠加层
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bool needFullRebuild = false;
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// 如果叠加层不存在或尺寸不匹配，需要完全重建
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if (_rectangleOverlayImage == null ||
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_rectangleOverlayImage.Width != picBoxTemp.Image.Width ||
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_rectangleOverlayImage.Height != picBoxTemp.Image.Height)
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{
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needFullRebuild = true;
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}
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if (needFullRebuild)
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{
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// 完全重建叠加层
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CreateRectangleOverlayImage();
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}
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else
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{
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// 仅绘制新添加的矩形（增量绘制）
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DrawRegionToOverlay(regionInfo);
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}
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// 显示绘制完成的提示
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ToolStripStatusLabel statusLabel = new ToolStripStatusLabel
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{
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Text = string.Format("已添加检测区域{0}: 图像坐标 - X={1}, Y={2}, 宽={3}, 高={4}",
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_regionCounter,
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imageX, imageY, imageWidth, imageHeight)
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};
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// 如果有状态栏，可以添加到状态栏显示
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}
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_currentRectangle = Rectangle.Empty;
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picBoxTemp.Invalidate();
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}
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}
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/// <summary>
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/// 绘制事件 - 显示矩形框（实现图像合并机制）
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/// 处理叠加层图像的缩放，确保与控件尺寸匹配
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/// </summary>
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private void PicBoxTemp_Paint(object sender, PaintEventArgs e)
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{
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// 设置高质量绘图
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e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
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e.Graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
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// 图像合并机制：先绘制叠加层（根据控件尺寸进行缩放）
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if (_rectangleOverlayImage != null && picBoxTemp.Image != null)
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{
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// 计算缩放后的目标矩形
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Rectangle destRect = new Rectangle(0, 0, picBoxTemp.ClientSize.Width, picBoxTemp.ClientSize.Height);
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// 绘制缩放后的叠加层
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e.Graphics.DrawImage(_rectangleOverlayImage, destRect, 0, 0, _rectangleOverlayImage.Width, _rectangleOverlayImage.Height, GraphicsUnit.Pixel);
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}
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// 再绘制临时矩形（当前正在绘制的矩形，使用控件坐标）
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if (!_currentRectangle.IsEmpty && _isDrawingMode && _isDrawing)
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{
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using (Pen dashedPen = new Pen(Color.Blue, 2))
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{
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dashedPen.DashPattern = new float[] { 5, 2 };
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e.Graphics.DrawRectangle(dashedPen, _currentRectangle);
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}
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}
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}
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/// <summary>
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/// 设置绘制区域按钮的图标
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/// </summary>
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private void SetButtonIcon()
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{
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// 创建一个表示绘制区域的图标
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Bitmap icon = new Bitmap(24, 24);
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using (Graphics g = Graphics.FromImage(icon))
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{
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// 设置高质量绘图
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g.SmoothingMode = SmoothingMode.AntiAlias;
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g.InterpolationMode = InterpolationMode.HighQualityBicubic;
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// 清除背景为透明
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g.Clear(Color.Transparent);
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// 绘制外矩形
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g.DrawRectangle(new Pen(Color.Black, 2), 3, 3, 18, 18);
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// 绘制虚线内矩形
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using (Pen dashedPen = new Pen(Color.Black, 1.5f))
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{
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dashedPen.DashPattern = new float[] { 2, 1 };
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g.DrawRectangle(dashedPen, 5, 5, 14, 14);
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}
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// 绘制四个角的控制点
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SolidBrush brush = new SolidBrush(Color.Black);
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g.FillEllipse(brush, 6, 6, 3, 3); // 左上角
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g.FillEllipse(brush, 15, 6, 3, 3); // 右上角
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g.FillEllipse(brush, 6, 15, 3, 3); // 左下角
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g.FillEllipse(brush, 15, 15, 3, 3); // 右下角
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}
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// 设置按钮图标并设置透明色
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btnDrawRegion.Image = icon;
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btnDrawRegion.ImageTransparentColor = Color.Transparent;
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// 设置颜色选择按钮的图标
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UpdateColorButtonIcon();
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}
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/// <summary>
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/// 更新颜色选择按钮的图标，显示_selectedColor颜色的矩形
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/// </summary>
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private void UpdateColorButtonIcon()
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{
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// 创建颜色选择按钮的图标
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Bitmap colorIcon = new Bitmap(24, 24);
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using (Graphics g = Graphics.FromImage(colorIcon))
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{
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// 设置高质量绘图
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g.SmoothingMode = SmoothingMode.AntiAlias;
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// 清除背景为透明
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g.Clear(Color.Transparent);
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// 绘制边框
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g.DrawRectangle(new Pen(Color.Black, 1), 3, 3, 18, 18);
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// 使用_selectedColor填充矩形
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using (SolidBrush brush = new SolidBrush(_selectedColor))
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{
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g.FillRectangle(brush, 4, 4, 16, 16);
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}
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}
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// 设置按钮图标并设置透明色
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btnSelectColor.Image = colorIcon;
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btnSelectColor.ImageTransparentColor = Color.Transparent;
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// 启用双缓冲以减少闪烁
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typeof(PictureBox).InvokeMember("DoubleBuffered",
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System.Reflection.BindingFlags.SetProperty |
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System.Reflection.BindingFlags.Instance |
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System.Reflection.BindingFlags.NonPublic,
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null, picBoxTemp, new object[] { true });
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}
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/// <summary>
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/// 颜色选择按钮点击事件
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/// </summary>
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private void BtnSelectColor_Click(object sender, EventArgs e)
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{
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using (ColorDialog colorDialog = new ColorDialog())
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{
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// 设置初始颜色为当前选中的颜色
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colorDialog.Color = _selectedColor;
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// 允许自定义颜色
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colorDialog.AllowFullOpen = true;
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colorDialog.FullOpen = true;
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// 显示颜色选择对话框
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if (colorDialog.ShowDialog() == DialogResult.OK)
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{
|
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// 更新选中的颜色
|
||
_selectedColor = colorDialog.Color;
|
||
|
||
// 更新按钮图标，显示新选择的颜色
|
||
UpdateColorButtonIcon();
|
||
|
||
// 重绘图片区域，显示新颜色的矩形
|
||
picBoxTemp.Invalidate();
|
||
}
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 窗口显示时启动定时器
|
||
/// </summary>
|
||
private void Setting_Shown(object sender, EventArgs e)
|
||
{
|
||
// 仅在非设计模式下启动定时器
|
||
if (!DesignMode)
|
||
{
|
||
_timer.Start();
|
||
|
||
// 立即执行一次定时器事件，避免首次显示时的延迟
|
||
Timer_Tick(sender, e);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 窗口关闭时停止定时器并释放资源
|
||
/// </summary>
|
||
private void Setting_FormClosing(object sender, FormClosingEventArgs e)
|
||
{
|
||
_timer.Stop();
|
||
|
||
// 释放叠加层图像资源
|
||
if (_rectangleOverlayImage != null)
|
||
{
|
||
_rectangleOverlayImage.Dispose();
|
||
_rectangleOverlayImage = null;
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 定时器每秒触发的事件处理方法
|
||
/// </summary>
|
||
/// <summary>
|
||
/// 当图像更新或控件大小变化时，重新创建叠加层图像
|
||
/// 确保矩形框正确显示在新的尺寸下
|
||
/// </summary>
|
||
private void UpdateOverlayForSizeChange()
|
||
{
|
||
if (picBoxTemp.Image != null && _drawnRectangles.Count > 0)
|
||
{
|
||
CreateRectangleOverlayImage();
|
||
picBoxTemp.Invalidate();
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 当控件大小改变时，更新叠加层以确保矩形框正确缩放
|
||
/// </summary>
|
||
private void PicBoxTemp_SizeChanged(object sender, EventArgs e)
|
||
{
|
||
UpdateOverlayForSizeChange();
|
||
}
|
||
|
||
private void Timer_Tick(object sender, EventArgs e)
|
||
{
|
||
// 这里可以添加每秒需要执行的代码
|
||
// 例如：更新界面数据、检查状态等
|
||
if (DesignMode || this.IsDisposed || this.Disposing)
|
||
return;
|
||
|
||
// 线程安全检查 - 确保在UI线程上执行
|
||
if (this.InvokeRequired)
|
||
{
|
||
try
|
||
{
|
||
this.BeginInvoke(new Action(UpdatePictureBoxImage));
|
||
}
|
||
catch (ObjectDisposedException)
|
||
{
|
||
// 控件已释放，忽略
|
||
}
|
||
return;
|
||
}
|
||
|
||
UpdatePictureBoxImage();
|
||
}
|
||
|
||
/// <summary>
|
||
/// 更新PictureBox图像的辅助方法
|
||
/// 此方法必须在UI线程上执行
|
||
/// </summary>
|
||
private void UpdatePictureBoxImage()
|
||
{
|
||
}
|
||
|
||
/// <summary>
|
||
/// 更新pictureBoxTemperatureDisplay的图像
|
||
/// 此方法可以从任何线程调用
|
||
/// 注意：根据要求，不修改此方法的核心逻辑
|
||
/// </summary>
|
||
/// <param name="NewImage">要显示的新图像</param>
|
||
public void UpdateRealTimeImage(Image NewImage)
|
||
{
|
||
// 空值检查
|
||
if (NewImage == null)
|
||
{
|
||
Console.WriteLine("传入UpdateRealTimeImage的图像为空");
|
||
return;
|
||
}
|
||
|
||
// 检查是否处于设计模式或窗口不可见
|
||
if (DesignMode || !this.Visible || this.IsDisposed || this.Disposing)
|
||
{
|
||
// 如果不满足条件，释放图像资源并返回
|
||
NewImage.Dispose();
|
||
return;
|
||
}
|
||
|
||
try
|
||
{
|
||
// 线程安全检查 - 确保在UI线程上执行
|
||
if (this.InvokeRequired)
|
||
{
|
||
try
|
||
{
|
||
// 使用BeginInvoke在UI线程上更新图像
|
||
this.BeginInvoke(new Action(() =>
|
||
{
|
||
try
|
||
{
|
||
// 确保窗口未被释放
|
||
if (!this.IsDisposed && !this.Disposing && picBoxTemp != null && !picBoxTemp.IsDisposed)
|
||
{
|
||
// 保存旧图像引用，以便在设置新图像后释放
|
||
Image oldImage = picBoxTemp.Image;
|
||
|
||
// 设置新图像
|
||
picBoxTemp.Image = NewImage;
|
||
|
||
// 释放旧图像资源
|
||
if (oldImage != null && oldImage != NewImage)
|
||
{
|
||
oldImage.Dispose();
|
||
}
|
||
}
|
||
else
|
||
{
|
||
// 如果控件已释放，确保释放图像资源
|
||
NewImage.Dispose();
|
||
}
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
Console.WriteLine($"更新设置窗口图像失败: {ex.Message}");
|
||
// 确保在异常情况下释放图像资源
|
||
try
|
||
{
|
||
NewImage.Dispose();
|
||
}
|
||
catch {}
|
||
}
|
||
}));
|
||
}
|
||
catch (ObjectDisposedException)
|
||
{
|
||
// 控件已释放，忽略并释放图像资源
|
||
NewImage.Dispose();
|
||
}
|
||
return;
|
||
}
|
||
|
||
// 在UI线程上直接更新图像
|
||
if (!this.IsDisposed && !this.Disposing && picBoxTemp != null && !picBoxTemp.IsDisposed)
|
||
{
|
||
// 保存旧图像引用，以便在设置新图像后释放
|
||
Image oldImage = picBoxTemp.Image;
|
||
|
||
// 设置新图像
|
||
picBoxTemp.Image = NewImage;
|
||
|
||
// 释放旧图像资源
|
||
if (oldImage != null && oldImage != NewImage)
|
||
{
|
||
oldImage.Dispose();
|
||
}
|
||
}
|
||
else
|
||
{
|
||
// 如果控件已释放，确保释放图像资源
|
||
NewImage.Dispose();
|
||
}
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
Console.WriteLine($"处理实时图像更新时出错: {ex.Message}");
|
||
// 确保在任何异常情况下都释放图像资源
|
||
try
|
||
{
|
||
NewImage.Dispose();
|
||
}
|
||
catch {}
|
||
}
|
||
}
|
||
}
|
||
} |