ufoProcessGetParamValueAtTi me

Related Functions: ufoProcessGetParamValuesAtTime, ufoProcessGetStringParamValueAtTime

    double ufoProcessGetParamValueAtTime(
       ufoProcess process_instance,
       int param_index,
       ufoChannelIndex channel_index,
       double time);

Refer to the following table for command descriptions:

Command | Description
    param_index
| index (0..number_parameters-1) of parameter
    channel_index
| index of channel from which current value will be returned (usually 0)
    time
| time at which to evaluate value
    ufoChannelIndex
| see ufoTypes.h for complete set of definitions for channel indices

ufoProcessGetParamValue(s)AtTime gets parameter values(s) at a specified time. Use ufoProcessGetParamValuesAtTime for getting multiple values for parameters which have more than one channel. Use ufoProcessGetStringParamValueAtTime to get the value of a ufoStringParam parameter at a specified time, and returns a character string allocated with malloc which the UFO has the responsibility to free.

ufoProcessGetParamValue(s)AtTime may be called within ufoProcessRenderPixel, ufoProcessRenderLine, ufoProcessRenderRectangle, ufoProcessCanAvoidRendering, ufoProcessPreRender, ufoProcessPostRender, ufoProcessPreRenderPass, ufoProcessPostRenderPass, ufoProcessCalcDefinedRectangle, ufoProcessCalcNeedRectangles, ufoProcessCalcDefinedPixelTypes, ufoProcessSpecifyConvertPixelTypes, and from within any editor user function or event function in the editor GUI.

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