oops, sorry, forget about that. i thought you cast the widget while passing
it to the expose_event function. good luck anyway.
say, do you think you can help me on some gdk stuff? hey, wait a minute. i
got that same error message "Drawable!=NULL" before. i managed to fix that
one. what i did was, CEATE THE DRAWING AREA FIRST (either by gdk_widget_show
or gdk_widget_realize) then only you create the pixbuf. yeah, i'm pretty
sure thats the problem, hooray! again, tell me if it works.
SH
>From: "fred beacon" <[EMAIL PROTECTED]>
>Reply-To: [EMAIL PROTECTED]
>To: [EMAIL PROTECTED]
>Subject: [gtk-list] gdk_pixbuf_render_to_drawable
>Date: Wed, 01 Mar 2000 22:12:17 EST
>
>I seem to be the only one having trouble with this, but i can't seem to
>find
>the solution, and i have spent countless hours on it. I cannot render the
>pixbuf to the drawable 'drawing_area->window'. I get this error when i
>execute my program:
>
>** CRITICAL **: file gdk-pixbuf-render.c: line 212
>(gdk_pixbuf_render_to_drawable): assertion `drawable != NULL' failed.
>
>here is my expose event, from which i think the problem is coming:
>
>static gint expose_event(GtkWidget *widget, GdkEventExpose *event)
>{
>GdkPixbuf *pixbuf = gtk_object_get_data(GTK_OBJECT(widget), "pixbuf");
>
>//render the pixbuf
> gdk_pixbuf_render_to_drawable(pixbuf,
> widget->window,
> widget->style->black_gc,
> event->area.x, event->area.y,
> event->area.x, event->area.y,
> event->area.width, event->area.height,
> GDK_RGB_DITHER_NORMAL,
> 0,
> 0);
>
>return FALSE;
>}
>
>if anyone can help me with this i would greatly appreciate it. like i
>said,
>i have been working on it for a while and i would not have posted it if i
>didn't really need some help. thanks.
>-fred
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