[Glade-users] how to display images?
- From: f parzefall multitest de (f parzefall multitest de)
- Subject: [Glade-users] how to display images?
- Date: Wed, 25 Jul 2001 15:55:26 +0200
Hi crowd,
thanks to Byron I�m now able to display the images from a frame grabber
in a GtkImage widget.
The only issue I come across now is that if I grab and display images
repeatedly and leave and reenter the screen where my program runs, it
sometimes hangs in gdk_draw_gray_image().
Seems that it is just when X11 redraws the window during the execution of
gdk_draw_gray_image().
When I run the program in gdb and stop it with [cntrl]-z when it hangs
I can get the folowing backtrace:
#0 0x402c6caa in _XFlushInt () from /usr/X11R6/lib/libX11.so.6
#1 0x402c6c5b in _XFlush () from /usr/X11R6/lib/libX11.so.6
#2 0x402c3d6a in XSync () from /usr/X11R6/lib/libX11.so.6
#3 0x4026a3e0 in gdk_flush () from /usr/lib/libgdk-1.2.so.0
#4 0x40275310 in gdk_rgb_alloc_scratch_image () from
/usr/lib/libgdk-1.2.so.0
#5 0x4027538a in gdk_rgb_alloc_scratch () from /usr/lib/libgdk-1.2.so.0
#6 0x40275604 in gdk_draw_rgb_image_core () from /usr/lib/libgdk-1.2.so.0
#7 0x4027591f in gdk_draw_gray_image () from /usr/lib/libgdk-1.2.so.0
#8 0x804dc5a in image_draw () at callbacks.c:348
The last line is my funktuion that calls gdk_draw_gray_image().
Anyone a clue if this is a bug in X11 or what? I'm running RedHat 6.1
(my frame grabber driver doesnt'n work with newer versions) which is XFree
3.3.6.
Thanks,
Franz
------------------------------------------------------------------
Franz Parzefall
Multitest elektronische Systeme GmbH & Co. KG
Aeussere Oberaustr. 4
83026 Rosenheim
Germany
Tel: +49 (0)8031 406 473
Fax: +49 (0)8031 406 420
Email: f parzefall multitest de
Web: www.multitest.de
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