public void cannot_use_factory_if_is_not_initialised()
{
using var module = new PiTopModule(new DummyGpioController());
var action = new Action(() =>
module.GetOrCreateCamera<FileSystemCamera>(new DirectoryInfo(Path.GetTempPath()))
);
action.Should().Throw<InvalidOperationException>()
.Which
.Message
.Should()
.Match("Cannot find a factory if type PiTop.Abstractions.IConnectedDeviceFactory<PiTop.Camera.FileSystemCameraSettings, PiTop.Camera.FileSystemCamera>, make sure to configure the module calling UseCamera first.");
}
static void Main(string[] args)
{
using var module = new PiTopModule()
.UseCamera();
var count = OpenCvCamera.GetCameraCount();
Console.WriteLine($"Found {count} cameras available");
var camera = module.GetOrCreateCamera <OpenCvCamera>(0);
var file = new FileInfo("./test.png");
var frame = camera.GetFrameAsMat();
frame.SaveImage(file.FullName);
module.DisposeDevice(camera);
Console.WriteLine($"Dumping frame at {file.FullName}");
}
public static T GetOrCreateCamera <T>(this PiTopModule module, DirectoryInfo directory, string imageFileSearchPattern = "*.png") where T : FileSystemCamera
{
return(module.GetOrCreateCamera <T>(
new FileSystemCameraSettings(directory, imageFileSearchPattern)));
}