外科辅料和患者防护罩激光抗性测试仪/BasicDemo/AutoCameraForm.cs

@@ -615,6 +615,43 @@ namespace BasicDemo
             }
         }
 
+        //private void SaveFrameAsImage(int cameraIndex, Bitmap frame)
+        //{
+        //    try
+        //    {
+        //        if (!recordingFlags[cameraIndex] || string.IsNullOrEmpty(recordingPaths[cameraIndex]))
+        //            return;
+
+        //        int currentFrame = frameCounters[cameraIndex]++;
+        //        string framesFolder = Path.Combine(recordingPaths[cameraIndex], "frames");
+
+        //        // 添加相机编号到文件名，方便识别
+        //        string imagePath = Path.Combine(framesFolder, $"Cam{cameraIndex + 1}_frame_{currentFrame:D6}.jpg");
+
+        //        // 使用高质量压缩保存图片
+        //        ImageCodecInfo jpgEncoder = GetEncoderInfo("image/jpeg");
+        //        EncoderParameters encoderParams = new EncoderParameters(1);
+        //        encoderParams.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 85L); // 85%质量
+
+        //        lock (locks[cameraIndex])
+        //        {
+        //            frame.Save(imagePath, jpgEncoder, encoderParams);
+        //        }
+
+        //        imagePaths[cameraIndex].Add(imagePath);
+
+        //        // 每50帧更新一次录制状态
+        //        if (currentFrame % 50 == 0)
+        //        {
+        //            UpdateRecordingStatus(cameraIndex, $"已录制 {currentFrame} 帧", Color.Green);
+        //            Console.WriteLine($"相机{cameraIndex + 1}已保存 {currentFrame} 帧");
+        //        }
+        //    }
+        //    catch (Exception ex)
+        //    {
+        //        Console.WriteLine($"保存图片失败（相机{cameraIndex + 1}）: {ex.Message}");
+        //    }
+        //}
         private void SaveFrameAsImage(int cameraIndex, Bitmap frame)
         {
             try
@@ -625,8 +662,12 @@ namespace BasicDemo
                 int currentFrame = frameCounters[cameraIndex]++;
                 string framesFolder = Path.Combine(recordingPaths[cameraIndex], "frames");
 
-                // 添加相机编号到文件名，方便识别
+                // 添加时间戳到文件名中（可选）
-                string imagePath = Path.Combine(framesFolder, $"Cam{cameraIndex + 1}_frame_{currentFrame:D6}.jpg");
+                string timestamp = DateTime.Now.ToString("yyyyMMdd_HHmmssfff");
+                string imagePath = Path.Combine(framesFolder, $"Cam{cameraIndex + 1}_{timestamp}_frame_{currentFrame:D6}.jpg");
+
+                // 在图片上添加时间戳水印
+                Bitmap watermarkedFrame = AddTimestampWatermark(frame);
 
                 // 使用高质量压缩保存图片
                 ImageCodecInfo jpgEncoder = GetEncoderInfo("image/jpeg");
@@ -635,9 +676,12 @@ namespace BasicDemo
 
                 lock (locks[cameraIndex])
                 {
-                    frame.Save(imagePath, jpgEncoder, encoderParams);
+                    watermarkedFrame.Save(imagePath, jpgEncoder, encoderParams);
                 }
 
+                // 释放水印图片资源
+                watermarkedFrame.Dispose();
+
                 imagePaths[cameraIndex].Add(imagePath);
 
                 // 每50帧更新一次录制状态
@@ -653,6 +697,81 @@ namespace BasicDemo
             }
         }
 
+        /// <summary>
+        /// 为图片添加时间戳水印
+        /// </summary>
+        private Bitmap AddTimestampWatermark(Bitmap originalImage)
+        {
+            // 创建新的位图，复制原始图像
+            Bitmap watermarkedImage = new Bitmap(originalImage);
+
+            using (Graphics graphics = Graphics.FromImage(watermarkedImage))
+            {
+                // 设置高质量绘制
+                graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
+                graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
+                graphics.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
+
+                // 创建字体（可以根据图片大小调整）
+                Font font = new Font("Arial", 16, FontStyle.Bold, GraphicsUnit.Pixel);
+
+                // 时间戳文本
+                string timestamp = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff");
+
+                // 测量文本大小
+                SizeF textSize = graphics.MeasureString(timestamp, font);
+
+                // 计算位置（左上角，留一些边距）
+                int margin = 10;
+                PointF position = new PointF(margin, margin);
+
+                // 添加背景色以提高可读性
+                RectangleF backgroundRect = new RectangleF(
+                    position.X - 2,
+                    position.Y - 2,
+                    textSize.Width + 4,
+                    textSize.Height + 4);
+
+                // 绘制半透明背景
+                using (Brush backgroundBrush = new SolidBrush(Color.FromArgb(128, 0, 0, 0)))
+                {
+                    graphics.FillRectangle(backgroundBrush, backgroundRect);
+                }
+
+                // 绘制时间戳文本
+                using (Brush textBrush = new SolidBrush(Color.White))
+                {
+                    graphics.DrawString(timestamp, font, textBrush, position);
+                }
+
+                // 添加相机信息（可选）
+                // 如果你想要在图片中显示相机编号，可以取消下面的注释
+                /*
+                string cameraInfo = $"相机 {GetCurrentCameraIndex() + 1}";
+                SizeF cameraTextSize = graphics.MeasureString(cameraInfo, font);
+                PointF cameraPosition = new PointF(margin, margin + textSize.Height + 5);
+
+                RectangleF cameraBackgroundRect = new RectangleF(
+                    cameraPosition.X - 2, 
+                    cameraPosition.Y - 2, 
+                    cameraTextSize.Width + 4, 
+                    cameraTextSize.Height + 4);
+
+                using (Brush backgroundBrush = new SolidBrush(Color.FromArgb(128, 0, 0, 0)))
+                {
+                    graphics.FillRectangle(backgroundBrush, cameraBackgroundRect);
+                }
+
+                using (Brush textBrush = new SolidBrush(Color.White))
+                {
+                    graphics.DrawString(cameraInfo, font, textBrush, cameraPosition);
+                }
+                */
+            }
+
+            return watermarkedImage;
+        }
+
         // 获取图像编码器
         private ImageCodecInfo GetEncoderInfo(string mimeType)
         {