[Interest] QCamera and QCameraViewFinder
jnfo-c at grauman.com
Tue Nov 5 19:09:48 CET 2013
Sorry, I'm using Qt5.2beta under Linux.
> Which platform are you on?
> Yoann Lopes
> Senior Software Engineer - Digia, Qt
> Visit us on: http://qt.digia.com
> On Nov 5, 2013, at 7:14 AM, Joshua Grauman wrote:
> Hello all,
> I setup a basic use of QCamera and QCameraViewFinder that work fine. I
> just used the basic example in the docs to capture an image like this:
> camera->searchAndLock(); //on half pressed shutter button
> imageCapture->capture(); //on shutter button pressed
> camera->unlock(); //on shutter button released
> and had setup the viewfinder and camera like this:
> camera = new QCamera;
> viewFinder = new QCameraViewfinder(picture1);
> imageCapture = new QCameraImageCapture(camera);
> connect(imageCapture, SIGNAL(imageCaptured(int, const QImage &)), this, SLOT(gotImage(int, const QImage &)));
> Everything works as expected. The problem is with the exposure settings.
> The viewfinder looks how I want it to (properly exposed). But when I
> capture the image, it is under-exposed (very dark). I was hoping to get
> the picture that is taken to have the same exposure settings as the
> viewfinder since it looks fine. Does anyone know why the default settings
> for QCamera would be under-exposed in comparison to the viewfinder?
> Interest mailing list
> Interest at qt-project.org<mailto:Interest at qt-project.org>
More information about the Interest