So, I want to have an app in Mac that will show a live video preview through my iSight while allowing users to take snapshots. Basically, it's similar to the Still Motion Demo, except now I have to make it work under a Qt app. That is, I'm having mm files that are mostly adhering to the c++ structure, with occasional Obj-c messaging. Currently, I'm having problems with placing the QTCaptureView with the rest of the Qt module.
Right now, I have managed to place it into my Qt gui through QMacCocoaViewContainer, and wanted to resize it to an appropriate size; since we can't use the Interface Builder anymore, I have to code it somehow. I've tried setting it's frame and bounds right after I created it, but it's not making any difference.
CCaptureViewWidget::CCaptureViewWidget(QWidget *parent) :
QMacCocoaViewContainer(0, parent)
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSRect kVideoFrame = NSMakeRect( 100.0f, 100.0f, 400.0f, 300.0f );
QTCaptureView *camView = [[QTCaptureView alloc] initWithFrame:kVideoFrame];
[camView setFrame:kVideoFrame];
[camView setBounds:kVideoFrame];
NSRect ourPreviewBounds = [ camView previewBounds ];
NSColor *pFillColor = [ [NSColor colorWithDeviceRed:0.0f green:1.0f blue:0.0f alpha:1.0f] copy];
[camView setFillColor:pFillColor];
[camView setPreservesAspectRatio:YES];
[camView setNeedsDisplay:YES];
setCocoaView( camView );
[camView release];
[pool release];
}
The ourPreviewBounds, as far as I can tell from the debuger in Xcode, has a size of 0x0, even after the setFrame and setBounds call. And just to prove that camView is valid, I did manage to change the fill color of the QTCaptureView.
I read from sources that overriding QTCaptureView's previewBounds might be an option, but I haven't been able to find any working examples of that.
If anyone can give me a hint as to how to resize a QTCaptureView outside of the Interface Builder and inside the code, I will very much appreciate it.
