How do I get the curveeditorcontrol 's fcurve object 2005-05-01 - By Felix Gebhardt
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Hey Guy,
Stupid, I tried this with the profile editor on the operator's PPG first
and there it fails. Then I got hypnotized by the CComAPIHandler's
mystical aura. But yes, works fine now on the external PPG.
Thanks a lot, I'll add an entry on you beer list, (on page 7 now)
Felix
Guy Rabiller wrote:
>Hi Felix,
>
>not sure to fully understand what you are after, on my side I often deal with
CustomPPG connected to a Custom Operator ( in place of Parameters directly on
the Operator, I put them on CustomPPGs, wich offers more possibilities ).
>
>In this case, if you want a profile curve it's very easy, no need to use the
CComAPIHandler.
>
>You can add a FCurve this way:
>Parameter oParam( oProp.AddFCurveParameter( L"MyFCurve" ) );
>FCurve oFCurve( oParam.GetValue() );
>
>You can edit the Curve directly:
>oFCurve.RemoveKeys();
>oFCurve.BeginEdit();
>oFCurve.AddKey( CTime(1), 100L );
>oFCurve.AddKey( CTime(100), 100L );
>oFCurve.EndEdit();
>
>>From the Operator you can retrieve the FCurve:
>InputPort InPort( InOp.GetPortAt(0,0,0) ); // If CustomPPG is on Group 0 /
Port 0
>CustomProperty InPSet( InPort.GetValue() );
>CParameterRefArray oParams( InPSet.GetParameters() );
>FCurve oMyFCurve( Parameter( oParams[0] ).GetValue() ); // If FCurve is your
first parameter
>
>Then you can evaluate the FCurve:
>float fValue( oMyFCurve.Eval( 2.0f ) ); // Get Y value at X = 2.0
>
>Does it help ?
>--
>guy rabiller | 3d technical director @ LaMaison
>
>
>-- -- Original Message -- --
>From: "Felix Gebhardt" <gebhardt@(protected)>
>To: <XSI@(protected)>
>Sent: Saturday, April 30, 2005 9:24 PM
>Subject: Re: [C++ API] How do I get the curveeditorcontrol's fcurve object
>
>
>
>
>>Hey Reinhard, how are you doing?
>>
>>Actually I have this very message in my treasure box of rare
>>CComAPIHandler examples. Unfortunately having the returned CValue as an
>>argument of the CRef constructor like in Andrew Skowronski's reply
>>doesn't give me a valid CRef for some reason. Just a master girded with
>>seven belts of COMwisdom would know why.
>>
>>But I'm really close. The LogMessage already converts to the correct
>>ClassIDName.
>>
>>Thanks a lot for your help,
>>Felix
>>
>>
>>
>>Reinhard Claus wrote:
>>
>>
>>
>>>Hm I had a problem a while ago that might be related to this. I had to deal
>>>with point subcomponent selections using the c++ api and had similar
>>>problems as you're reporting.
>>>It turned out that the SubComponent object isn't yet fully supported by the
>>>cppapi, and I had to use the CComApi... wrappers all the way through.
>>>Using the Invoke method etc. etc... Bad times.
>>>
>>>http://www.softimage.com/Community/Xsi/Discuss/Archives/xsi.archive.0409
/msg01636.htm
>>>
>>>Reinhard
>>>
>>>
>>>
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