[Cairo] Suggestion for replacing cairo_copy with set_gstate.
Bill Spitzak
spitzak at d2.com
Fri Sep 26 10:00:19 PDT 2003
On Friday 26 September 2003 08:01 am, Keith Packard wrote:
> A 'cairo_t' object holds only two things right now -- a stack of
> cairo_gstate_t objects and the library status. One easy suggestion would
> be to eliminate the stack of gstate objects and make the application
> developer hold the cairo stack itself -- cairo_t then becomes precisely
> cairo_gstate_t. This exposes two problems:
>
> 1) applications cannot use the save/restore paradigm without
> creating a stack themselves (either with local variables on the C
> stack, or an explicit linked list). This would be an
> annoyance, but probably not a sigificant one as libraries exposing
> a stack of graphics states to applications would presumably already
> have a stacked data structure to hang the cairo_t from.
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