ascension: src/font.c@8297afa1c29c (annotated)

src/font.c@8297afa1c29c (annotated)

src/font.c

Fri, 19 Apr 2024 22:28:29 +0200

author: Mike Becker <universe@uap-core.de>
date: Fri, 19 Apr 2024 22:28:29 +0200
changeset 66: 8297afa1c29c
parent 65: 9c44c55d327a
permissions: -rw-r--r--

replaces broken font cache with improved cache - fixes #387

 /*
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
  * Copyright 2023 Mike Becker. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *   1. Redistributions of source code must retain the above copyright
  *      notice, this list of conditions and the following disclaimer.
  *
  *   2. Redistributions in binary form must reproduce the above copyright
  *      notice, this list of conditions and the following disclaimer in the
  *      documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
 #include "ascension/ui/font.h"
 #include "ascension/context.h"
 #include "ascension/error.h"
 #include <assert.h>
 #include <cx/array_list.h>
 void asc_font(enum AscFontStyle style, int size) {
     asc_context.active_font.style = style;
     asc_context.active_font.size = size;
 }
 static char const *asc_font_filename(enum AscFontStyle style) {
     // TODO: do not assume we are running from the program dir
     switch (style) {
         case ASC_FONT_REGULAR:
             return "fonts/OpenSans-Regular.ttf";
         case ASC_FONT_BOLD:
             return "fonts/OpenSans-Bold.ttf";
         case ASC_FONT_ITALIC:
             return "fonts/OpenSans-Italic.ttf";
         case ASC_FONT_BOLD_ITALIC:
             return "fonts/OpenSans-BoldItalic.ttf";
     }
 }
 struct asc_font_cache_entry {
     AscFont font;
     TTF_Font *ttf;
 };
 static CxList *asc_font_cache;
 static void asc_font_unload(struct asc_font_cache_entry *entry) {
     TTF_CloseFont(entry->ttf);
     asc_dprintf("Closed font size %u, style %u", entry->font.size, entry->font.style);
 }
 void asc_font_cache_init(void) {
     assert(asc_font_cache == NULL);
     asc_font_cache = cxArrayListCreateSimple(
             sizeof(struct asc_font_cache_entry), 16
     );
     asc_font_cache->simple_destructor = (cx_destructor_func) asc_font_unload;
 }
 void asc_font_cache_destroy(void) {
     assert(asc_font_cache != NULL);
     cxListDestroy(asc_font_cache);
 }
 TTF_Font *asc_font_load(AscFont font) {
     CxIterator iter = cxListIterator(asc_font_cache);
     cx_foreach(struct asc_font_cache_entry*, cache, iter) {
         if (cache->font.style == font.style && cache->font.size == font.size) {
             return cache->ttf;
         }
     }
     struct asc_font_cache_entry entry;
     entry.font = font;
     entry.ttf = TTF_OpenFont(asc_font_filename(font.style), font.size);
     if (entry.ttf == NULL) {
         asc_error(TTF_GetError());
         return NULL;
     } else {
         cxListAdd(asc_font_cache, &entry);
         asc_dprintf("Loaded font size %d, style %d from disk", font.size, font.style);
         return entry.ttf;
     }
 }

Mercurial > hg > ascension / annotate

src/font.c@8297afa1c29c (annotated)

src/font.c