Re: Colors and GDK, this the best way?
- From: Eric Harlow <linuxgeek yahoo com>
- To: gtk-list redhat com
- Subject: Re: Colors and GDK, this the best way?
- Date: Sun, 20 Sep 1998 20:24:47 -0700 (PDT)
That fixed it - thanks.
Using the drawing area with double buffering seems to be pretty quick
for the small stuff I've been doing (wireframe 3-d models) - and
pretty smooth. Has anyone done anything to test it out - like video
games?
-Eric
---Havoc Pennington <rhpennin@midway.uchicago.edu> wrote:
>
>
> On Sun, 20 Sep 1998, Eric Harlow wrote:
> > gc = (GdkGC *) malloc (sizeof (GdkGC));
> >
>
> OK, this is the problem I bet. You have to use gdk_gc_new() instead of
> malloc - it's not just memory allocation, you also have to do some
> initialization and so on.
>
> Jon created GdkGC statically, undoubtedly thinking of our Gdk_GC C++
> wrapper which calls gdk_gc_new automatically.
>
> A side comment: in general you probably want to use g_malloc or g_new
> instead of malloc, that lets you interoperate with Gtk more nicely.
Plus
> it automatically checks for freeing 0 and the malloc return value.
>
> Havoc
>
>
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