Hi, I'm a novice at working with the gimp, and I'm trying to write a plug-in. I've run into an unexpected snag, and I would very much appreciate a little help. I'll start with what I think my question is, and then afterwards, briefly describe what I want to do in case that really isn't my question :-). I think my question is: If I have an image loaded into gimp, and displayed in a window, and my plug-in fired up, how do I get the coordinates of the mouse when one of the buttons is clicked into the plug-in? Here's what I want to do: I'm trying to write an "unplot" plugin. The idea is to load a graph image into the gimp (probably using a scanner), and then, using the mouse to click on points on the graph, write the x and y values of mouse-selected points to a file. Thus, if I had a graph of, say, voltage vs. current, I could digitize it manually using the plug-in, obtaining a file with voltages and currents. In order to do this, the plug-in has to be able to get the mouse coordinates when a button is clicked. I think I know how to do that in a stand-alone gtk-based program, but I can't figure out how to do it from a gimp plug-in. I guess the optimum coordinate system would be the local coordinates within the image window, but global coordinates of the underlying root window would probably be OK too. Advice would be much appreciated. I've looked in Kevin Turner's "Writing a GIMP Plug-in" tutorial, and in all the FAQ's I can find. I've also looked in the plug-in registry for an existing plug-in I could snarf. If the solution was in any of these places, I was too dense to realize it. Thanks. Frazer Williams pfw@xxxxxxxxxxx Department of Electrical Engineering University of Nebraska-Lincoln Lincoln, NE 68588-0511
