DINESHBABU DINAKARABABU schreef: > I found out that widget.queue_draw() should solve the issue. But, I am > still having doubts on how to use the queue_draw() method. > It would be great if someone could let me know on how to use the > method in my 'expose' function and bind it to the "expose_event". My > expose function is defined as follows: > > def expose (da, event, pixbuf): > ctx = da.window.cairo_create() > ctx.set_source_pixbuf(pixbuf,0,0) > ctx.paint() > ctx.stroke() Add this line here: da.queue_draw()
> > It would be extremely helpful if someone could guide me in this > regard. I really appreciate the help. > > Thanks > > On Tue, Aug 4, 2009 at 10:48 AM, DINESHBABU DINAKARABABU > <[email protected] <mailto:[email protected]>> wrote: > > Hi all, > > I am writing a program to continuously display full screen images > after getting the raw image data from a remote machine. (Doing it > using sockets). It would be really helpful if any one of you could > help me out in solving the issue as I am pretty new to Python and > PyGTK. > > I am able to get the first image image on the screen. But, not the > remaining images. Is there anyway to display the images > successively without actually closing the window? In other words, > is it possible to just update the first image with the update of > the raw image data? > > My image display code is as below. I stop with the image displays > once I receive a flag = 1 from my remote machine. > def main(): > flag = 0 > while flag == 0: > imagedata = conn.recv(1024) > flag = conn.recv(2) > pixbuf = gtk.gdk.pixbuf_new_from_data(imagedata, > gtk.gdk.COLORSPACE_RGB, 0, 8, 480, 320, 1440) > imgw=pixbuf.get_width() > imgh=pixbuf.get_height() > win = gtk.Window() > pixmap = gtk.gdk.Pixmap(None, 1, 1, 1) > color = gtk.gdk.Color() > cursor = gtk.gdk.Cursor(pixmap, pixmap, color, color, 0, 0) > gtk.Window.fullscreen(win) > win.connect("realize", lambda obj: win.window.set_cursor(cursor)) > win.connect("key-press-event", key_press_event) > win.connect('destroy', gtk.main_quit) > win.set_default_size(imgw, imgh) > da = gtk.DrawingArea() > win.add(da) > da.connect('expose_event', expose, pixbuf) > win.show_all() > gtk.main() > > I would be grateful if any one can give me any suggestions on how > to go about solving the problem. I would really appreciate any > help. Thanks a lot in advance. > > -- > Cheers > DB > > > > > -- > Cheers > DB > ------------------------------------------------------------------------ > > _______________________________________________ > pygtk mailing list [email protected] > http://www.daa.com.au/mailman/listinfo/pygtk > Read the PyGTK FAQ: http://faq.pygtk.org/ _______________________________________________ pygtk mailing list [email protected] http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://faq.pygtk.org/
