private static void Main(string[] args)
{
var config = Config.GetIConfiguration(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location));
var settings = new CameraStillSettings
{
CaptureWidth = 640,
CaptureHeight = 480,
CaptureJpegQuality = 90,
CaptureTimeoutMilliseconds = 300,
HorizontalFlip = true,
VerticalFlip = true
};
string filename = DateTime.UtcNow.ToString("yyyy-MM-dd-HH-mm-ss") + ".jpg";
var pictureBytes = Pi.Camera.CaptureImage(settings);
var targetPath = config.GetSection("LocalPath").Value + filename;
if (File.Exists(targetPath))
{
File.Delete(targetPath);
}
File.WriteAllBytes(targetPath, pictureBytes);
CloudSave(filename, string.Empty, config.GetSection("LocalPath").Value, config.GetSection("Storage").Value, "Dev").GetAwaiter().GetResult();
File.Delete(targetPath);
}
public IActionResult CaptureImage(ImageViewModel viewModel)
{
if (Pi.Camera.IsBusy)
{
ViewData["Message"] = "Camera is busy!";
return(View());
}
var pin = Pi.Gpio.Pin21;
pin.PinMode = GpioPinDriveMode.Output;
pin.Write(true);
// Prepare the camera settings object, getting the values from the ViewModel
CameraStillSettings cameraSettings = new CameraStillSettings
{
CaptureTimeoutMilliseconds = 900, // default for CaptureImageJpeg = 300 (min value recommended)
ImageFlipVertically = true,
//CaptureEncoding = CameraImageEncodingFormat.Jpg, // default
CaptureJpegQuality = 95
};
ViewModelToCameraSettings(viewModel, ref cameraSettings);
// Take the picture with the camera settings and get image as bytes
var imageBytes = Pi.Camera.CaptureImage(cameraSettings);
// Encode the bytes to base64 and store in ViewModel
var base64string = Convert.ToBase64String(imageBytes);
viewModel.ImageData = base64string;
//var targetPath = "./wwwroot/picture.jpg";
//if (System.IO.File.Exists(targetPath))
//{
// System.IO.File.Delete(targetPath);
//}
//System.IO.File.WriteAllBytes(targetPath, imageBytes);
pin.Write(false);
ViewData["Message"] = "Image captured.";
return(View(viewModel));
}
private void ViewModelToCameraSettings(ImageViewModel viewModel, ref CameraStillSettings cameraSettings)
{
cameraSettings.CaptureWidth = resolutionWidths[(int)viewModel.Resolution];
cameraSettings.CaptureHeight = resolutionHeights[(int)viewModel.Resolution];
cameraSettings.CaptureTimeoutMilliseconds = viewModel.CaptureTimeoutMilliseconds;
switch (viewModel.ImageEncoding)
{
case "jpg":
{
cameraSettings.CaptureEncoding = CameraImageEncodingFormat.Jpg;
break;
}
case "png":
{
cameraSettings.CaptureEncoding = CameraImageEncodingFormat.Png;
break;
}
}
}
