include/vlc_text_style.h

   1 /*****************************************************************************
   2  * vlc_text_style.h: text_style_t definition and helpers.
   3  *****************************************************************************
   4  * Copyright (C) 1999-2010 VLC authors and VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Derk-Jan Hartman <hartman _AT_ videolan _DOT_ org>
   8  *          basOS G <noxelia 4t gmail , com>
   9  *
  10  * This program is free software; you can redistribute it and/or modify it
  11  * under the terms of the GNU Lesser General Public License as published by
  12  * the Free Software Foundation; either version 2.1 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public License
  21  * along with this program; if not, write to the Free Software Foundation,
  22  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #ifndef VLC_TEXT_STYLE_H
  26 #define VLC_TEXT_STYLE_H 1
  27
  28 #ifdef __cplusplus
  29 extern "C" {
  30 #endif
  31
  32 /**
  33  * Text style
  34  *
  35  * A text style is used to specify the formatting of text.
  36  * A font renderer can use the supplied information to render the
  37  * text specified.
  38  */
  39 typedef struct
  40 {
  41     char *     psz_fontname;      /**< The name of the font */
  42     char *     psz_monofontname;  /**< The name of the mono font */
  43     int        i_font_size;       /**< The font size in pixels */
  44     int        i_font_color;      /**< The color of the text 0xRRGGBB
  45                                        (native endianness) */
  46     unsigned   i_font_alpha;      /**< The transparency of the text.
  47                                        0x00 is fully opaque,
  48                                        0xFF fully transparent */
  49     int        i_style_flags;     /**< Formatting style flags */
  50     int        i_outline_color;   /**< The color of the outline 0xRRGGBB */
  51     int        i_outline_alpha;   /**< The transparency of the outline.
  52                                        0x00 is fully opaque,
  53                                        0xFF fully transparent */
  54     int        i_shadow_color;    /**< The color of the shadow 0xRRGGBB */
  55     int        i_shadow_alpha;    /**< The transparency of the shadow.
  56                                         0x00 is fully opaque,
  57                                         0xFF fully transparent */
  58     int        i_background_color;/**< The color of the background 0xRRGGBB */
  59     int        i_background_alpha;/**< The transparency of the background.
  60                                        0x00 is fully opaque,
  61                                        0xFF fully transparent */
  62     int        i_karaoke_background_color;/**< Background color for karaoke 0xRRGGBB */
  63     int        i_karaoke_background_alpha;/**< The transparency of the karaoke bg.
  64                                        0x00 is fully opaque,
  65                                        0xFF fully transparent */
  66     int        i_outline_width;   /**< The width of the outline in pixels */
  67     int        i_shadow_width;    /**< The width of the shadow in pixels */
  68     int        i_spacing;         /**< The spaceing between glyphs in pixels */
  69 } text_style_t;
  70
  71 /* Style flags for \ref text_style_t */
  72 #define STYLE_BOLD        1
  73 #define STYLE_ITALIC      2
  74 #define STYLE_OUTLINE     4
  75 #define STYLE_SHADOW      8
  76 #define STYLE_BACKGROUND  16
  77 #define STYLE_UNDERLINE   32
  78 #define STYLE_STRIKEOUT   64
  79 #define STYLE_HALFWIDTH   128
  80
  81 #define STYLE_DEFAULT_FONT_SIZE 22
  82
  83 /**
  84  * Create a default text style
  85  */
  86 VLC_API text_style_t * text_style_New( void );
  87
  88 /**
  89  * Copy a text style into another
  90  */
  91 VLC_API text_style_t * text_style_Copy( text_style_t *, const text_style_t * );
  92
  93 /**
  94  * Duplicate a text style
  95  */
  96 VLC_API text_style_t * text_style_Duplicate( const text_style_t * );
  97
  98 /**
  99  * Delete a text style created by text_style_New or text_style_Duplicate
 100  */
 101 VLC_API void text_style_Delete( text_style_t * );
 102
 103 #ifdef __cplusplus
 104 }
 105 #endif
 106
 107 #endif /* VLC_TEXT_STYLE_H */
 108