On Thu, Jun 15, 2006 at 10:59:50PM +0000, kamil stachowski wrote: > i understand this is a basic question and am sorry for my ignorance. i really > haven't managed to find an answer though i've searched quite a time. > > i've actually got two problems (using nemerle (mono, i.e. gtk#)): > > 1. i'd like to generate a terrain heightmap and draw it onto a widget. should > i be using drawingarea.gdkwindow.drawpixel (how to handle colours, then?), > try to convert it to an xpm (how?) or what other method would be most > appropriate? (please, read the second question before answering this one) Don't draw pixel by pixel, it would be awfully slow. Use GdkPixbufs and gdk_draw_pixbuf(). > 2. i'd like to be able to fluently change the colours while the heightmap is > already generated. in the old days (i haven't written much for quite a time) > it was possible to just draw a bitmap onto the screen and keep redefining the > colours, which was pretty fast and looked nice in its way. is it still > doable? Something along these lines should be doable *if* you can get a indexed color visual, which you cannot count on. So I would just redraw it (incidentally I develop a program which uses false-color maps a lot and redrawing works good enough). Yeti -- Anonyms eat their boogers. _______________________________________________ gtk-list@xxxxxxxxx http://mail.gnome.org/mailman/listinfo/gtk-list
