Thank you for your reply Marc.
Here is what worked in the end:
[self addInputPortWithType:QCPortTypeIndex forKey:@"inputBlend"
withAttributes:[NSDictionary
dictionaryWithObjectsAndKeys:@"Blending", QCPortAttributeNameKey,
[NSNumber numberWithUnsignedInteger:2], QCPortAttributeMaximumValueKey,
[NSArray arrayWithObjects:@"Replace", @"Over", @"Add", nil],
QCPortAttributeMenuItemsKey,
nil]];
The thing that was tripping me up was that
QCPortAttributeMaximumValueKey has to be defined. The order of
definition is also important. First QCPortAttributeMaximumValueKey,
then QCPortAttributeMenuItemsKey. Of course the port's type has to be
defined as QCPortTypeIndex, but the documentation is explicit enough
about that. The rest was a bit unclear to me I must say... Anyway, I
filed some feedback about that, so I hope the documentation will be
more explicit in the future.
The next problem though, is how do I do this for a predefined port?
The logic of this seems correct, yet it doesn't work for me:
return [NSDictionary dictionaryWithObjectsAndKeys:QCPortTypeIndex,
QCPortAttributeTypeKey,
@"Blending", QCPortAttributeNameKey,
[NSNumber numberWithUnsignedInteger:2], QCPortAttributeMaximumValueKey,
[NSArray arrayWithObjects:@"Replace", @"Over", @"Add", nil],
QCPortAttributeMenuItemsKey,
nil];
Can anyone out there clear this up?
Thanks
On 25 Feb 2008, at 12:23, Marc Epard wrote:
I've only used it in attributesForPropertyPortWithKey for predefined
ports, but it works. Try adding min and max and maybe default keys:
[NSNumber numberWithUnsignedInteger:0],
QCPortAttributeDefaultValueKey,
[NSNumber numberWithUnsignedInteger:0],
QCPortAttributeMinimumValueKey,
[NSNumber numberWithUnsignedInteger:count-1],
QCPortAttributeMaximumValueKey,
-Marc
On Feb 25, 2008, at 3:25 AM, Julien Rigal wrote:
Hello once again,
Sorry to post such a newbie question, but how do I use
QCPortAttributeMenuItemsKey to add a list of menu items to a port.
I tried this, but it doesn't work, QC raises an exception.
[self addInputPortWithType:QCPortTypeIndex forKey:@"inputBlend"
withAttributes:[NSDictionary
dictionaryWithObjectsAndKeys:@"Blending", QCPortAttributeNameKey,
[NSArray arrayWithObjects:@"Replace", @"Over", @"Add", nil],
QCPortAttributeMenuItemsKey,
nil]];
I tried a few other things, but can't seem to find the correct way...
Thanks!
Regards,
Julien
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