Hi, I would like to ask, whether there exist any examples of using Gegl from gui ? All I found so far were one purpose command line applications, that built up a single Gegl graph, without needing to alter it at a later time.
What is the preferred approach ? 1) To assemble the graph (add/remove/modify its nodes) on the fly and at the time the rendering output is needed only call the `gegl_node_process` function (or similar) ? 2) Or to defer assembling the graph to the point in time when the rendering output is needed (thus constructing the graph and calling `gegl_node_process` both at the same time) ? To make my question clearer let's say that in gui I have a button to blend all layers to canvas and buttons to add/remove layer and a button to change layer's opacity. Now, should I defer assembling the graph to the point in time when the blend button is pressed or should I build it on the fly as the other buttons are pressed and at the time the blend button is pressed, I would only call `gegl_node_process` (or similar) on already created graph ? Thanks in advance for all your answers.
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