[cairo] const-ness fixes for transform_distance
OneSadCookie at paradise.net.nz
Tue May 10 13:37:45 PDT 2005
>> cairo_scaled_font_create (face, font_matrix,
>> cairo_get_matrix (cr));
> I'm not entirely comfortable with that. The problem is that
> although the
> matrix is const to the API user, its contents can change over time.
I agree, this seems like a recipe for disaster.
It strikes me that you can get close to the desired syntax without
breaking the desired semantics by behaving a bit like getcwd, and
returning the pointer to your output parameter:
cairo_matrix_t *cairo_get_matrix(cairo_t *cr, cairo_matrix_t *matrix);
Perhaps that would satisfy everyone?
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