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// -*- c-basic-offset: 8; indent-tabs-mode: t -*-
// vim:ts=8:sw=8:noet:ai:
/*
Copyright (C) 2006 Evgeniy Stepanov <eugeni.stepanov@gmail.com>
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 program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ass.h"
#include "ass_library.h"
ass_library_t* ass_library_init(void)
{
return calloc(1, sizeof(ass_library_t));
}
void ass_library_done(ass_library_t* priv)
{
if (priv) {
ass_set_fonts_dir(priv, NULL);
ass_set_style_overrides(priv, NULL);
ass_clear_fonts(priv);
free(priv);
}
}
void ass_set_fonts_dir(ass_library_t* priv, const char* fonts_dir)
{
if (priv->fonts_dir)
free(priv->fonts_dir);
priv->fonts_dir = fonts_dir ? strdup(fonts_dir) : 0;
}
void ass_set_extract_fonts(ass_library_t* priv, int extract)
{
priv->extract_fonts = !!extract;
}
void ass_set_style_overrides(ass_library_t* priv, char** list)
{
char** p;
char** q;
int cnt;
if (priv->style_overrides) {
for (p = priv->style_overrides; *p; ++p)
free(*p);
free(priv->style_overrides);
}
if (!list) return;
for (p = list, cnt = 0; *p; ++p, ++cnt) {}
priv->style_overrides = malloc((cnt + 1) * sizeof(char*));
for (p = list, q = priv->style_overrides; *p; ++p, ++q)
*q = strdup(*p);
priv->style_overrides[cnt] = NULL;
}
static void grow_array(void **array, int nelem, size_t elsize)
{
if (!(nelem & 31))
*array = realloc(*array, (nelem + 32) * elsize);
}
void ass_add_font(ass_library_t* priv, char* name, char* data, int size)
{
int idx = priv->num_fontdata;
if (!name || !data || !size)
return;
grow_array((void**)&priv->fontdata, priv->num_fontdata, sizeof(*priv->fontdata));
priv->fontdata[idx].name = strdup(name);
priv->fontdata[idx].data = malloc(size);
memcpy(priv->fontdata[idx].data, data, size);
priv->fontdata[idx].size = size;
priv->num_fontdata ++;
}
void ass_clear_fonts(ass_library_t* priv)
{
int i;
for (i = 0; i < priv->num_fontdata; ++i) {
free(priv->fontdata[i].name);
free(priv->fontdata[i].data);
}
free(priv->fontdata);
priv->fontdata = NULL;
priv->num_fontdata = 0;
}
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