* freetype.c : Put text on the video, using freetype2
*****************************************************************************
* Copyright (C) 2002, 2003 VideoLAN
- * $Id: freetype.c,v 1.13 2003/07/24 21:50:28 gbazin Exp $
+ * $Id: freetype.c,v 1.14 2003/07/26 18:54:20 titer Exp $
*
* Authors: Sigmund Augdal <sigmunau@idi.ntnu.no>
*
const subpicture_t * );
static void RenderI420( vout_thread_t *, picture_t *,
const subpicture_t * );
+static void RenderYUY2( vout_thread_t *, picture_t *,
+ const subpicture_t * );
static int AddText ( vout_thread_t *, byte_t *, text_style_t *, int,
int, int, mtime_t, mtime_t );
static int GetUnicodeCharFromUTF8( byte_t ** );
#if 0
/* RV16 target, scaling */
case VLC_FOURCC('R','V','1','6'):
- RenderRV16( p_vout, p_pic, p_spu, p_spu->p_sys->b_crop );
+ RenderRV16( p_vout, p_pic, p_subpic );
break;
/* RV32 target, scaling */
case VLC_FOURCC('R','V','2','4'):
case VLC_FOURCC('R','V','3','2'):
- RenderRV32( p_vout, p_pic, p_spu, p_spu->p_sys->b_crop );
+ RenderRV32( p_vout, p_pic, p_subpic );
break;
-
- /* NVidia overlay, no scaling */
+#endif
+ /* NVidia or BeOS overlay, no scaling */
case VLC_FOURCC('Y','U','Y','2'):
- RenderYUY2( p_vout, p_pic, p_spu, p_spu->p_sys->b_crop );
+ RenderYUY2( p_vout, p_pic, p_subpic );
break;
-#endif
+
default:
msg_Err( p_vout, "unknown chroma, can't render SPU" );
break;
}
}
+/**
+ * Draw a string on a YUY2 picture
+ */
+static void RenderYUY2( vout_thread_t *p_vout, picture_t *p_pic,
+ const subpicture_t *p_subpic )
+{
+ subpicture_sys_t *p_string = p_subpic->p_sys;
+ int x, y, pen_x, pen_y;
+ unsigned int i;
+
+ uint8_t *p_in;
+ int i_pitch = p_pic->p[0].i_pitch;
+
+ p_in = p_pic->p->p_pixels;
+
+ if ( p_string->i_flags & OSD_ALIGN_BOTTOM )
+ {
+ pen_y = p_pic->p->i_lines - p_string->i_height -
+ p_string->i_y_margin;
+ }
+ else
+ {
+ pen_y = p_string->i_y_margin;
+ }
+ pen_y += p_vout->p_text_renderer_data->p_face->size->metrics.height / 100;
+ if ( p_string->i_flags & OSD_ALIGN_RIGHT )
+ {
+ pen_x = i_pitch - p_string->i_width - p_string->i_x_margin;
+ }
+ else
+ {
+ pen_x = p_string->i_x_margin;
+ }
+
+ /* TODO : set U & V bytes */
+ for( i = 0; p_string->pp_glyphs[i] != NULL; i++ )
+ {
+ if( p_string->pp_glyphs[i] )
+ {
+ FT_BitmapGlyph p_glyph = p_string->pp_glyphs[ i ];
+#define alpha p_vout->p_text_renderer_data->pi_gamma[ p_glyph->bitmap.buffer[ x + y * p_glyph->bitmap.width ] ]
+#define pixel p_in[ ( p_string->p_glyph_pos[ i ].y + pen_y + y - p_glyph->top ) * i_pitch + 2 * ( x + pen_x + p_string->p_glyph_pos[ i ].x + p_glyph->left ) ]
+ for( y = 0; y < p_glyph->bitmap.rows; y++ )
+ {
+ for( x = 0; x < p_glyph->bitmap.width; x++ )
+ {
+ pixel = ( ( pixel * ( 255 - alpha ) ) >> 8 ) +
+ ( 255 * alpha >> 8 );
+#undef alpha
+#undef pixel
+ }
+ }
+ }
+ }
+}
+
+
/**
* This function receives a string and creates a subpicture for it. It
* also calculates the size needed for this string, and renders the