Re: [Java-gnome-developer] Cairo - embedding images in pdfs

[William T. <wil...@gm...>]

On 9 February 2010 05:01, Andrew Cowie <an...@op...> wrote:
> On Sat, 2010-02-06 at 10:52 +0000, William Temperley wrote:
>
>> I've posted the VM crash dump here:
>> http://pastebin.com/m7587cc22
>
> The relevant part is:
>
> Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
> C  [libpixbufloader-gif.so+0x1b76]
>
> Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
> j  org.gnome.gdk.GdkPixbuf.gdk_pixbuf_new_from_file(Ljava/lang/String;)J+0
> j  org.gnome.gdk.GdkPixbuf.createPixbufFromFile(Ljava/lang/String;)J+21
> j  org.gnome.gdk.Pixbuf.checkPixbufFromFile(Ljava/lang/String;)J+44
> j  org.gnome.gdk.Pixbuf.<init>(Ljava/lang/String;)V+2
> j  uk.ac.ox.map.carto.canvas.CairoTest.main([Ljava/lang/String;)V+69
> v  ~StubRoutines::call_stub
>
> which is nothing unusual at all.
>
>
>> I'm on a fairly standard Ubuntu Karmic AMD64 install - using Java-gnome-4.0.14.
>
> Sure, that's fine.
>
> (java-gnome from the PPA, I assume?)
>

No - built from source.

>> It just crashed when creating a pixbuf from a file. I was just doing a
>> very simple trial of a few features:
>
>
>> public class CairoTest {
>>       public static void main(String[] args) throws IOException {
>
> You didn't call Gtk.init() first. That's obligatory.
> http://java-gnome.sourceforge.net/4.0/doc/api/org/gnome/gtk/Gtk.html#init(java.lang.String[])
>
> Annoyingly, not having done so should have resulted in an Exception
> being thrown when you tried to use anything else in java-gnome.
>
> We used to have some great code that would check you'd initialized
> properly. Apparently we messed that up when we changed the
> initialization last cycle to deal with the GLib g_set_prgname() bug.
> http://article.gmane.org/gmane.comp.gnome.bindings.java.devel/1425
> refers. Not sure why we aren't getting an Exception anymore. Someone
> will need to fix that.
>
> Anyway, call Gtk.init() and you're on your way.
>
> AfC
> Sydney
>

Thanks Andrew. Glad it's a simple fix - apologies for the noise.

Will