115 lines
2.7 KiB
C
115 lines
2.7 KiB
C
// -*- c-basic-offset: 8; indent-tabs-mode: t -*-
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// vim:ts=8:sw=8:noet:ai:
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/*
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* Copyright (C) 2006 Evgeniy Stepanov <eugeni.stepanov@gmail.com>
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*
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* This file is part of libass.
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*
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* libass is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* libass is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with libass; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <inttypes.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "ass.h"
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#include "ass_library.h"
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ass_library_t* ass_library_init(void)
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{
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return calloc(1, sizeof(ass_library_t));
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}
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void ass_library_done(ass_library_t* priv)
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{
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if (priv) {
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ass_set_fonts_dir(priv, NULL);
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ass_set_style_overrides(priv, NULL);
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ass_clear_fonts(priv);
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free(priv);
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}
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}
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void ass_set_fonts_dir(ass_library_t* priv, const char* fonts_dir)
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{
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if (priv->fonts_dir)
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free(priv->fonts_dir);
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priv->fonts_dir = fonts_dir ? strdup(fonts_dir) : 0;
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}
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void ass_set_extract_fonts(ass_library_t* priv, int extract)
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{
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priv->extract_fonts = !!extract;
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}
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void ass_set_style_overrides(ass_library_t* priv, char** list)
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{
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char** p;
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char** q;
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int cnt;
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if (priv->style_overrides) {
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for (p = priv->style_overrides; *p; ++p)
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free(*p);
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free(priv->style_overrides);
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}
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if (!list) return;
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for (p = list, cnt = 0; *p; ++p, ++cnt) {}
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priv->style_overrides = malloc((cnt + 1) * sizeof(char*));
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for (p = list, q = priv->style_overrides; *p; ++p, ++q)
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*q = strdup(*p);
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priv->style_overrides[cnt] = NULL;
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}
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static void grow_array(void **array, int nelem, size_t elsize)
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{
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if (!(nelem & 31))
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*array = realloc(*array, (nelem + 32) * elsize);
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}
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void ass_add_font(ass_library_t* priv, char* name, char* data, int size)
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{
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int idx = priv->num_fontdata;
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if (!name || !data || !size)
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return;
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grow_array((void**)&priv->fontdata, priv->num_fontdata, sizeof(*priv->fontdata));
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priv->fontdata[idx].name = strdup(name);
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priv->fontdata[idx].data = malloc(size);
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memcpy(priv->fontdata[idx].data, data, size);
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priv->fontdata[idx].size = size;
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priv->num_fontdata ++;
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}
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void ass_clear_fonts(ass_library_t* priv)
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{
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int i;
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for (i = 0; i < priv->num_fontdata; ++i) {
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free(priv->fontdata[i].name);
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free(priv->fontdata[i].data);
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}
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free(priv->fontdata);
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priv->fontdata = NULL;
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priv->num_fontdata = 0;
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}
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