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