private void OnHandlerStart()
{
foreach (var job in _jobs.GetConsumingEnumerable(CancellationToken.None))
{
if (job.StartsWith("http://www") || job.StartsWith("https://www"))
{
_logger.LogInformation("Processing job: " + job);
Shotter shotter = new Shotter(_windowSize);
ScreenShotSaver ssSaver = new ScreenShotSaver(_dbConfig[0], _dbConfig[1], _dbConfig[2]);
try
{
ScreenShotData ssData = new ScreenShotData
{
Url = job,
Date = DateTime.UtcNow,
ContentImage = shotter.TakeScreenshot(job)
};
ssSaver.Create(ssData);
_logger.LogInformation("Successfully imported job: " + job);
}
catch (Exception ex)
{
_logger.LogError(ex.Message);
}
finally
{
shotter.Dispose();
}
}
}
}
public ScreenShotData Create(ScreenShotData screenShot)
{
_screens.InsertOne(screenShot);
return(screenShot);
}
private static List <TargetItem> FilterTargetsInCamera(ScreenShotData data)
{
List <TargetItem> ret = new List <TargetItem>();
List <TargetItem> source = data.Items;
Rectangle camRectangle = data.CameraRectangle;
int imgWidth = camRectangle.Width;
int imgHeight = camRectangle.Height;
source.ForEach(i =>
{
i.X -= camRectangle.X;
i.Y -= camRectangle.Y;
// Validation
if (i.Height < 0 || i.Width < 0)
{
throw new InvalidDataException("Items Height or Width is negative!!");
}
// Not show in screenshots at all
if (i.X > imgWidth || i.Y > imgHeight)
{
return;
}
int inCameraWidth = i.Width;
int inCameraHeight = i.Height;
double itemArea = i.Width * i.Height;
// Partial in X - left
if (i.X < 0)
{
inCameraWidth = i.X + i.Width;
if (inCameraWidth < 0)
{
return;
}
i.X = 0;
}
// Partial in X - right
if (i.X + i.Width > imgWidth)
{
inCameraWidth = imgWidth - i.X;
}
// Partial in Y - up
if (i.Y < 0)
{
inCameraHeight = i.Y + i.Height;
if (inCameraHeight < 0)
{
return;
}
i.Y = 0;
}
// Partial in Y - bottom
if (i.Y + i.Height > imgHeight)
{
inCameraHeight = imgHeight - i.Y;
}
double inCameraArea = inCameraHeight * imgWidth;
if (inCameraArea / itemArea >= ITEM_PARTIAL_AREA_THRESHOLD)
{
i.Width = inCameraWidth;
i.Height = inCameraHeight;
ret.Add(i);
}
});
return(ret);
}
