140 lines
3.7 KiB
C
140 lines
3.7 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id: skin_tokens.c 24526 2010-02-05 23:58:53Z jdgordon $
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*
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* Copyright (C) 2010 Jonathan Gordon
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "file.h"
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#include "settings.h"
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#include "font.h"
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#include "skin_buffer.h"
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#include "skin_fonts.h"
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#define FONT_SIZE 10000
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static struct skin_font {
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struct font font;
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int font_id;
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char name[MAX_PATH];
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char *buffer;
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int ref_count; /* how many times has this font been loaded? */
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} font_table[MAXUSERFONTS];
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/* need this to know if we should be closing font fd's on the next init */
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static bool first_load = true;
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void skin_font_init(void)
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{
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int i;
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for(i=0;i<MAXUSERFONTS;i++)
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{
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if (!first_load)
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font_unload(font_table[i].font_id);
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font_table[i].font_id = -1;
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font_table[i].name[0] = '\0';
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font_table[i].buffer = NULL;
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font_table[i].ref_count = 0;
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}
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}
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/* load a font into the skin buffer. return the font id. */
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int skin_font_load(char* font_name)
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{
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int i;
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struct font *pf;
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struct skin_font *font = NULL;
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char filename[MAX_PATH];
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if (!strcmp(font_name, global_settings.font_file))
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return FONT_UI;
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#ifdef HAVE_REMOTE_LCD
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if (!strcmp(font_name, global_settings.remote_font_file))
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return FONT_UI_REMOTE;
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#endif
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for(i=0;i<MAXUSERFONTS;i++)
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{
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if (font_table[i].font_id >= 0 && !strcmp(font_table[i].name, font_name))
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{
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font_table[i].ref_count++;
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return font_table[i].font_id;
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}
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else if (!font && font_table[i].font_id == -1)
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{
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font = &font_table[i];
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}
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}
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if (!font)
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return -1; /* too many fonts loaded */
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pf = &font->font;
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if (!font->buffer)
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{
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pf->buffer_start = skin_buffer_alloc(FONT_SIZE);
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if (!pf->buffer_start)
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return -1;
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font->buffer = pf->buffer_start;
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}
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else
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{
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pf->buffer_start = font->buffer;
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}
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pf->buffer_size = FONT_SIZE;
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snprintf(filename, MAX_PATH, FONT_DIR "/%s.fnt", font_name);
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strcpy(font->name, font_name);
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pf->fd = -1;
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font->font_id = font_load(pf, filename);
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if (font->font_id < 0)
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return -1;
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font->ref_count = 1;
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return font->font_id;
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}
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/* unload a skin font. If a font has been loaded more than once it wont actually
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* be unloaded untill all references have been unloaded */
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void skin_font_unload(int font_id)
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{
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int i;
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for(i=0;i<MAXUSERFONTS;i++)
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{
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if (font_table[i].font_id == font_id)
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{
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if (--font_table[i].ref_count == 0)
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{
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font_unload(font_id);
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font_table[i].font_id = -1;
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font_table[i].name[0] = '\0';
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}
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return;
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}
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}
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}
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