On May 19, 2008, at 6:12 PM, Hezekiah M. Carty wrote:

> On Wed, Mar 19, 2008 at 9:51 PM, Hazen Babcock <[EMAIL PROTECTED]>  
> wrote:
>> Agreed, but the segfault occurs because I did not think to check the
>> return value of the function pango_cairo_create_layout(). It should
>> return a pointer to a PangoLayout, but when it fails, as it does in
>> our test case, it returns NULL. The program crashes when this null
>> pointer is passed to the next function which expects a valid
>> PangoLayout pointer. I can add a test for this and the program will
>> no longer segfault, but this does not solve the problem of why
>> pango_cairo_create_layout() is failing in the first place.
> Is there a work-around for this problem?  I would like to use the
> Cairo output drivers to generate a series of plots, but this problem
> is preventing me from doing so.
> I see that the example plots on the web site are made with using
> family files.  I would like to be able to use arbitrary file names for
> each plot in this sequence, not just "foo-1.png" then "foo-2.png" etc.
>  Is there a way to do this without using plend between plots?

I have not made any progress on determining what is going wrong. All  
I can suggest is that you use the family functionality and then  
rename the plots when you are done.


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