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xyy
2026-01-09 17:08:12 +08:00
parent 9548f934ff
commit a4c8562e09
1 changed files with 122 additions and 3 deletions
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125
外科辅料和患者防护罩激光抗性测试仪/BasicDemo/AutoCameraForm.cs
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@@ -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
string imagePath = Path.Combine(framesFolder, $"Cam{cameraIndex + 1}_frame_{currentFrame:D6}.jpg");
// 添加时间戳到文件名中（可选）
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)
{