[cairo] cairo_image_surface_create_for_png() fclose()

Owen Taylor otaylor at redhat.com
Mon Apr 11 09:18:34 PDT 2005


On Sat, 2005-04-09 at 15:24 +0800, Steve Chaplin wrote:
> Why does cairo_image_surface_create_for_png() take a FILE *
> and then call fclose()?
> 
> I think it should either do
> 1) both fopen and fclose (and take a filename argument)
> or
> 2) neither fopen nor fclose
> 
> I created a Python wrapper which takes a fileObject and 
> passes the underlying FILE * to cairo_image_surface_create_for_png().
> The call to fclose causes a segmentation fault since Python
> is expecting to do the fclose itself. Removing the fclose fixes the 
> problem.

Agreed. Filed in bugzilla at:

 https://bugs.freedesktop.org/show_bug.cgi?id=2972
 
> Also, I agree with the earlier message which said
> cairo_image_surface_create_for_pn()
> should return the surface only, and use a 'getter' function to read
> the width and height.

 https://bugs.freedesktop.org/show_bug.cgi?id=2973

Regards,
						Owen

[ BTW, in general, it's really good if you can file any API
 problems you think exist in bugzilla, since there is a very
 good chance that things sent to the list will be remembered
 the day after we release 1.0 ]

-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: This is a digitally signed message part
Url : http://lists.freedesktop.org/archives/cairo/attachments/20050411/c6e24b8c/attachment.pgp


More information about the cairo mailing list