set_cairo_source_with_colour   xtlang


Defined in:  https://github.com/digego/extempore/tree/v0.8.9/examples/contrib/spectral_meter.xtm

Implementation

(bind-func set_cairo_source_with_colour
  (lambda (cr colour:rgb_colour*)
    (cairo_set_source_rgba cr
                           (tref colour 0)
                           (tref colour 1)
                           (tref colour 2)
                           0.8)))


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