1 /*****************************************************************************
2 * video_text.c : text manipulation functions
3 *****************************************************************************
4 * Copyright (C) 1999-2001 VideoLAN
5 * $Id: video_text.c,v 1.45 2003/08/04 23:35:25 gbazin Exp $
7 * Authors: Sigmund Augdal <sigmunau@idi.ntnu.no>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
26 * \brief Show text on the video for some time
27 * \param p_vout pointer to the vout the text is to be showed on
28 * \param psz_string The text to be shown
29 * \param p_style Pointer to a struct with text style info
30 * \param i_flags flags for alignment and such
31 * \param i_hmargin horizontal margin in pixels
32 * \param i_vmargin vertical margin in pixels
33 * \param i_duration Amount of time the text is to be shown.
35 void vout_ShowTextRelative( vout_thread_t *p_vout, char *psz_string,
36 text_style_t *p_style, int i_flags,
37 int i_hmargin, int i_vmargin,
40 mtime_t i_now = mdate();
41 if ( p_vout->pf_add_string )
43 p_vout->pf_add_string( p_vout, psz_string, p_style, i_flags, i_hmargin,
44 i_vmargin, i_now, i_now + i_duration );
48 msg_Warn( p_vout, "No text renderer found" );
53 * \brief Show text on the video from a given start date to a given end date
54 * \param p_vout pointer to the vout the text is to be showed on
55 * \param psz_string The text to be shown
56 * \param p_style Pointer to a struct with text style info
57 * \param i_flags flags for alignment and such
58 * \param i_hmargin horizontal margin in pixels
59 * \param i_vmargin vertical margin in pixels
60 * \param i_start the time when this string is to appear on the video
61 * \param i_stop the time when this string should stop to be displayed
62 * if this is 0 the string will be shown untill the next string
63 * is about to be shown
65 void vout_ShowTextAbsolute( vout_thread_t *p_vout, char *psz_string,
66 text_style_t *p_style, int i_flags,
67 int i_hmargin, int i_vmargin, mtime_t i_start,
70 if ( p_vout->pf_add_string )
72 p_vout->pf_add_string( p_vout, psz_string, p_style, i_flags, i_hmargin,
73 i_vmargin, i_start, i_stop );
77 msg_Warn( p_vout, "No text renderer found" );