forked from mia/Aegisub
148 lines
3.7 KiB
C
148 lines
3.7 KiB
C
/*
|
|
* Copyright (C) 2006 Evgeniy Stepanov <eugeni.stepanov@gmail.com>
|
|
*
|
|
* This file is part of libass.
|
|
*
|
|
* libass 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.
|
|
*
|
|
* libass 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 libass; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include <inttypes.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdarg.h>
|
|
|
|
#include "ass.h"
|
|
#include "ass_library.h"
|
|
#include "ass_utils.h"
|
|
|
|
static void ass_msg_handler(int level, char *fmt, va_list *va, void *data)
|
|
{
|
|
if (level > MSGL_INFO)
|
|
return;
|
|
fprintf(stderr, "[ass] ");
|
|
vfprintf(stderr, fmt, *va);
|
|
fprintf(stderr, "\n");
|
|
}
|
|
|
|
ass_library_t *ass_library_init(void)
|
|
{
|
|
ass_library_t* lib = calloc(1, sizeof(ass_library_t));
|
|
lib->msg_callback = ass_msg_handler;
|
|
|
|
return lib;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
/*
|
|
* Register a message callback function with libass. Without setting one,
|
|
* a default handler is used which prints everything with MSGL_INFO or
|
|
* higher to the standard output.
|
|
*
|
|
* \param msg_cb the callback function
|
|
* \param data additional data that will be passed to the callback
|
|
*/
|
|
void ass_set_message_cb(ass_library_t *priv,
|
|
void (*msg_cb)(int, char *, va_list *, void *),
|
|
void *data)
|
|
{
|
|
if (msg_cb) {
|
|
priv->msg_callback = msg_cb;
|
|
priv->msg_callback_data = data;
|
|
}
|
|
}
|
|
|