RE: [gtkmm] Draw Image documentation

[Murray Cumming Comneon com]

Is this some example code in the tarball, or some code in the documentation,
or something else? Can you provide a patch? Please at least use bugzilla if
this is clearly a bug.

Murray Cumming
murrayc usa net
www.murrayc.com 

> -----Original Message-----
> From: Ruediger Sonderfeld [mailto:cplusplushelp gmx net] 
> Sent: Dienstag, 29. Juli 2003 14:41
> To: gtkmm-list gnome org
> Subject: [gtkmm] Draw Image documentation
> 
> 
> hi,
> the code of the draw image example ist wrong!
> 
> class rgb_draw_area: public Gtk::DrawingArea {
>   int width_m, height_m;
>   guchar *rgbbuff_m;
> public:
>   rgb_draw_area(guchar *buff,int width=0, int height=0);
>   bool on_expose_event(GdkEventExpose*);
> };
> 
> rgb_draw_area::rgb_draw_area(guchar *buffer,int width,int height)
>   : width_m(width),height_m(height),rgbbuff_m(buffer) 
> {
>   set_size_request(width,height);
> }
> 
> //this should return bool not int!
> bool rgb_draw_area::on_expose_event(GdkEventExpose*) {
>   gdk_draw_rgb_image(get_window()->gobj(), //and fix here
> 		     
> get_style()->get_fg_gc(Gtk::STATE_NORMAL)->gobj(), //and here
>                      
> 0,0,width_m,height_m,GDK_RGB_DITHER_MAX,rgbbuff_m,width_m*3);
>   return true;
> }
> 
> you should replace it please.
> 
> I think the drawing area part of the documentation isn't very 
> good at the moment
> and I had a lot of problems to understand this section!
> 
> Maybe you should write a section about drawing and loading Images etc.
> (including Gtk::DrawingArea, Gtk::Image, Gdk::Pixbuf etc.)
> 
> (I don't have the experience to do that)
> 
> Ruediger Sonderfeld <cplusplushelp gmx net>
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