ltk

GUI toolkit for X11 (WIP)
git clone git://lumidify.org/ltk.git (fast, but not encrypted)
git clone https://lumidify.org/ltk.git (encrypted, but very slow)
git clone git://4kcetb7mo7hj6grozzybxtotsub5bempzo4lirzc3437amof2c2impyd.onion/ltk.git (over tor)
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surface_cache.h (2244B)

      1 /*
      2  * Copyright (c) 2022-2024 lumidify <nobody@lumidify.org>
      3  *
      4  * Permission to use, copy, modify, and/or distribute this software for any
      5  * purpose with or without fee is hereby granted, provided that the above
      6  * copyright notice and this permission notice appear in all copies.
      7  *
      8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
      9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     15  */
     16 
     17 #ifndef LTK_SURFACE_CACHE_H
     18 #define LTK_SURFACE_CACHE_H
     19 
     20 #include "graphics.h"
     21 
     22 /* FIXME: It would probably be much better to just have a named cache
     23    and then pass a single surface around while drawing other widgets */
     24 /* FIXME: some sort of "locking" for surfaces so they temporarily can't
     25    be reassigned? (e.g. when drawing widget hierarchy) */
     26 
     27 typedef struct ltk_surface_cache ltk_surface_cache;
     28 typedef struct ltk_surface_cache_key ltk_surface_cache_key;
     29 
     30 ltk_surface_cache *ltk_surface_cache_create(ltk_renderwindow *renderwindow);
     31 void ltk_surface_cache_destroy(ltk_surface_cache *cache);
     32 ltk_surface_cache_key *ltk_surface_cache_get_named_key(ltk_surface_cache *cache, int widget_type, int id, int min_w, int min_h);
     33 ltk_surface_cache_key *ltk_surface_cache_get_unnamed_key(ltk_surface_cache *cache, int min_w, int min_h);
     34 
     35 /* WARNING: DO NOT RESIZE SURFACES MANUALLY, ALWAYS USE ltk_surface_cache_request_surface_size! */
     36 void ltk_surface_cache_request_surface_size(ltk_surface_cache_key *key, int min_w, int min_h);
     37 /* -> just sets to invalid and changes min_* so appropriate size is taken next time */
     38 /* -> cannot assume anything about the contents afterwards! */
     39 
     40 /* returns 1 if key was valid, i.e. surface was already assigned, 0 otherwise */
     41 int ltk_surface_cache_get_surface(ltk_surface_cache_key *key, ltk_surface **s_ret);
     42 
     43 void ltk_surface_cache_release_key(ltk_surface_cache_key *key);
     44 
     45 #endif /* LTK_SURFACE_CACHE_H */