[Gimp-developer] calling a procedure in a plugin

[Giuseppe Pasquino]

Thanks to all... Now it's work...

>> You are attempting to modify a color at some random memory location, that's never been allocated (you didn't initialize colore) and then  you passed this  dodgy pointer to gimp_by_color_select. In most parts of the GIMP, GimpRGB are statically allocated, and you see that they are used more like this:
GimpRGB colore;
GimpChannelOps parametri; 
gboolean success; 
gimp_rgb_set_uchar(&colore, pixel[0], pixel[1], pixel[2]); 
parametri = GIMP_CHANNEL_OP_REPLACE; 
success = gimp_by_color_select(drawable->drawable_id, 
                                                &colore, 
                                                termogramma.scarto, 
                                                parametri, 
                                                FALSE, 
                                                FALSE, 
                                                0.0, 
                                                FALSE);

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