-#define STYLE_EMPTY 0
-#define STYLE_FILLED 1
-
-/*****************************************************************************
- * Local prototypes
- *****************************************************************************/
-static void DrawRect( subpicture_t *, int, int, int, int, short );
-static void DrawTriangle( subpicture_t *, int, int, int, int, short );
-static void CreatePicture( spu_t *, subpicture_t *, int, int, int, int );
-static subpicture_t *vout_CreateWidget( spu_t *, int );
-
-/*****************************************************************************
- * Draws a rectangle at the given position in the subpic.
- * It may be filled (fill == STYLE_FILLED) or empty (fill == STYLE_EMPTY).
- *****************************************************************************/
-static void DrawRect( subpicture_t *p_subpic, int i_x1, int i_y1,
- int i_x2, int i_y2, short fill )
-{
- int x, y;
- uint8_t *p_a = p_subpic->p_region->picture.A_PIXELS;
- int i_pitch = p_subpic->p_region->picture.Y_PITCH;
-
- if( fill == STYLE_FILLED )
- {
- for( y = i_y1; y <= i_y2; y++ )
- {
- for( x = i_x1; x <= i_x2; x++ )
- {
- p_a[ x + i_pitch * y ] = 0xff;
- }
- }
- }
- else
- {
- for( y = i_y1; y <= i_y2; y++ )
- {
- p_a[ i_x1 + i_pitch * y ] = 0xff;
- p_a[ i_x2 + i_pitch * y ] = 0xff;
- }
- for( x = i_x1; x <= i_x2; x++ )
- {
- p_a[ x + i_pitch * i_y1 ] = 0xff;
- p_a[ x + i_pitch * i_y2 ] = 0xff;
- }
- }
-}
-
-/*****************************************************************************
- * Draws a triangle at the given position in the subpic.
- * It may be filled (fill == STYLE_FILLED) or empty (fill == STYLE_EMPTY).
- *****************************************************************************/
-static void DrawTriangle( subpicture_t *p_subpic, int i_x1, int i_y1,
- int i_x2, int i_y2, short fill )
-{
- int x, y, i_mid, h;
- uint8_t *p_a = p_subpic->p_region->picture.A_PIXELS;
- int i_pitch = p_subpic->p_region->picture.Y_PITCH;
-
- i_mid = i_y1 + ( ( i_y2 - i_y1 ) >> 1 );
-
- if( i_x2 >= i_x1 )
- {
- if( fill == STYLE_FILLED )
- {
- for( y = i_y1; y <= i_mid; y++ )
- {
- h = y - i_y1;
- for( x = i_x1; x <= i_x1 + h && x <= i_x2; x++ )
- {
- p_a[ x + i_pitch * y ] = 0xff;
- p_a[ x + i_pitch * ( i_y2 - h ) ] = 0xff;
- }
- }
- }
- else
- {
- for( y = i_y1; y <= i_mid; y++ )
- {
- h = y - i_y1;
- p_a[ i_x1 + i_pitch * y ] = 0xff;
- p_a[ i_x1 + h + i_pitch * y ] = 0xff;
- p_a[ i_x1 + i_pitch * ( i_y2 - h ) ] = 0xff;
- p_a[ i_x1 + h + i_pitch * ( i_y2 - h ) ] = 0xff;
- }
- }
- }
- else
- {
- if( fill == STYLE_FILLED )
- {
- for( y = i_y1; y <= i_mid; y++ )
- {
- h = y - i_y1;
- for( x = i_x1; x >= i_x1 - h && x >= i_x2; x-- )
- {
- p_a[ x + i_pitch * y ] = 0xff;
- p_a[ x + i_pitch * ( i_y2 - h ) ] = 0xff;
- }
- }
- }
- else
- {
- for( y = i_y1; y <= i_mid; y++ )
- {
- h = y - i_y1;
- p_a[ i_x1 + i_pitch * y ] = 0xff;
- p_a[ i_x1 - h + i_pitch * y ] = 0xff;
- p_a[ i_x1 + i_pitch * ( i_y2 - h ) ] = 0xff;
- p_a[ i_x1 - h + i_pitch * ( i_y2 - h ) ] = 0xff;
- }
- }
- }
-}
-
-/*****************************************************************************
- * Create Picture: creates subpicture region and picture
- *****************************************************************************/
-static void CreatePicture( spu_t *p_spu, subpicture_t *p_subpic,
- int i_x, int i_y, int i_width, int i_height )
-{
- uint8_t *p_y, *p_u, *p_v, *p_a;
- video_format_t fmt;
- int i_pitch;
-
- /* Create a new subpicture region */
- memset( &fmt, 0, sizeof(video_format_t) );
- fmt.i_chroma = VLC_FOURCC('Y','U','V','A');
- fmt.i_aspect = 0;
- fmt.i_width = fmt.i_visible_width = i_width;
- fmt.i_height = fmt.i_visible_height = i_height;
- fmt.i_x_offset = fmt.i_y_offset = 0;
- p_subpic->p_region = p_subpic->pf_create_region( VLC_OBJECT(p_spu), &fmt );
- if( !p_subpic->p_region )
- {
- msg_Err( p_spu, "cannot allocate SPU region" );
- return;
- }
-
- p_subpic->p_region->i_x = i_x;
- p_subpic->p_region->i_y = i_y;
- p_y = p_subpic->p_region->picture.Y_PIXELS;
- p_u = p_subpic->p_region->picture.U_PIXELS;
- p_v = p_subpic->p_region->picture.V_PIXELS;
- p_a = p_subpic->p_region->picture.A_PIXELS;
- i_pitch = p_subpic->p_region->picture.Y_PITCH;
-
- /* Initialize the region pixels (only the alpha will be changed later) */
- memset( p_y, 0xff, i_pitch * p_subpic->p_region->fmt.i_height );
- memset( p_u, 0x80, i_pitch * p_subpic->p_region->fmt.i_height );
- memset( p_v, 0x80, i_pitch * p_subpic->p_region->fmt.i_height );
- memset( p_a, 0x00, i_pitch * p_subpic->p_region->fmt.i_height );
-}
-
-/*****************************************************************************
- * Creates and initializes an OSD widget.
- *****************************************************************************/
-subpicture_t *vout_CreateWidget( spu_t *p_spu, int i_channel )
-{
- subpicture_t *p_subpic;
- mtime_t i_now = mdate();
-
- /* Create and initialize a subpicture */
- p_subpic = spu_CreateSubpicture( p_spu );
- if( p_subpic == NULL ) return NULL;
-
- p_subpic->i_channel = i_channel;
- p_subpic->i_start = i_now;
- p_subpic->i_stop = i_now + 1200000;
- p_subpic->b_ephemer = VLC_TRUE;
- p_subpic->b_fade = VLC_TRUE;
-
- return p_subpic;
-}
-