git.sesse.net Git - vlc/blob - include/video_graphics.h

   1 /*******************************************************************************
   2  * video_graphics.h: pictures manipulation primitives
   3  * (c)1999 VideoLAN
   4  *******************************************************************************
   5  * Includes function to compose, convert and display pictures, and also basic
   6  * functions to copy pictures data or descriptors.
   7  *******************************************************************************
   8  * Requires:
   9  *  "config.h"
  10  *  "common.h"
  11  *  "mtime.h"
  12  *  "video.h"
  13  *******************************************************************************/
  14
  15 /*******************************************************************************
  16  * Prototypes
  17  *******************************************************************************/
  18
  19 /* Pictures management functions */
  20 picture_t * video_CreatePicture         ( video_cfg_t *p_cfg );
  21 picture_t * video_CopyPicture           ( picture_t *p_pic );
  22 picture_t * video_ReplicatePicture      ( picture_t *p_pic );
  23 void        video_DestroyPicture        ( picture_t *p_pic );
  24
  25 /* Files functions */
  26 picture_t * video_ReadPicture           ( int i_file );
  27
  28 /* Drawing functions */
  29 void        video_ClearPicture          ( picture_t *p_pic );
  30 void        video_DrawPixel             ( picture_t *p_pic, int i_x, int i_y, pixel_t value );
  31 void        video_DrawHLine             ( picture_t *p_pic, int i_x, int i_y, int i_width, pixel_t value );
  32 void        video_DrawVLine             ( picture_t *p_pic, int i_x, int i_y, int i_height, pixel_t value );
  33 void        video_DrawLine              ( picture_t *p_pic, int i_x1, int i_y1,
  34                                           int i_x2, int i_y2, pixel_t value );
  35 void        video_DrawBar               ( picture_t *p_pic, int i_x, int i_y, int i_width,
  36                                           int i_height, pixel_t value );
  37 void        video_DrawRectangle         ( picture_t *p_pic, int i_x, int i_y,
  38                                           int i_width, int i_height, pixel_t color );
  39 void        video_DrawPicture           ( picture_t *p_pic, picture_t *p_insert, int i_x, int i_y );
  40 void        video_DrawText              ( picture_t *p_pic, int i_x, int i_y, char *psz_text,
  41                                           int i_size, pixel_t color );
  42
  43 /* Convertion functions */
  44 /* ?? rgb->pixel, pixel->rgb */
  45
  46 /* Low-level shared functions */
  47 void        video_CopyPictureDescriptor ( picture_t *p_dest, picture_t *p_src );
  48 int         video_CreatePictureBody     ( picture_t *p_pic, video_cfg_t *p_cfg );
  49
  50 #ifdef DEBUG
  51 /* Debugging functions */
  52 void        video_PrintPicture          ( picture_t *p_pic, char *psz_str );
  53 #endif