ufoProcessIsParamSet

    int ufoProcessIsParamSet(
       ufoProcess process_instance,
       int param_index);

Refer to the following table for command descriptions:

Command | Description
    param_index
| index (0..number_parameters-1) of parameter

ufoProcesslsParamSet returns whether a parameter has been set since default initialization.

ufoProcesslsParamSetmay 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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