ascension: src/font.c@6e5b5ba2752c (annotated)

src/font.c@6e5b5ba2752c (annotated)

src/font.c

Mon, 01 Apr 2024 19:01:04 +0200

author: Mike Becker <universe@uap-core.de>
date: Mon, 01 Apr 2024 19:01:04 +0200
changeset 48: 6e5b5ba2752c
parent 11: d83af80eb09b
child 65: 9c44c55d327a
permissions: -rw-r--r--

create new UI subdir

 /*
  * 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"
 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";
     }
 }
 AscFont const *asc_font(enum AscFontStyle style, int size) {
     for (unsigned int i = 0 ; i < asc_context.fonts_loaded ; i++) {
         AscFont *font = &asc_context.fonts[i];
         if (font->size == size && font->style == style) {
             return font;
         }
     }
     if (asc_context.fonts_loaded == ASC_MAX_FONTS) {
         asc_dprintf("WARNING: Maximum number of fonts reached, wiping cache!");
         asc_font_cache_clear();
     }
     unsigned int slot = asc_context.fonts_loaded++;
     AscFont *font = &asc_context.fonts[slot];
     font->size = size;
     font->style = style;
     font->ptr = TTF_OpenFont(asc_font_filename(style), size);
     if (font->ptr == NULL) {
         asc_context.fonts_loaded--;
         asc_error(TTF_GetError());
         return NULL;
     }
     asc_dprintf("Loaded font size %u, style %u in slot %u", size, style, slot);
     return font;
 }
 void asc_font_cache_clear(void) {
     asc_dprintf("Fonts in cache that are being unloaded: %u", asc_context.fonts_loaded);
     while (asc_context.fonts_loaded > 0) {
         unsigned int i = --asc_context.fonts_loaded;
         AscFont *font = &asc_context.fonts[i];
         TTF_CloseFont(font->ptr);
         font->ptr = NULL;
     }
 }
 AscFont const *asc_font_cache_validate(AscFont const *font) {
     if (font->ptr) {
         return font;
     } else {
         asc_dprintf("Cache miss for font size %u, style %u", font->size, font->style);
         return asc_font(font->style, font->size);
     }
 }

Mercurial > hg > ascension / annotate

src/font.c@6e5b5ba2752c (annotated)

src/font.c