i_style_flags );
}
-static int RenderTag( filter_t *p_filter, FT_Face p_face,
- const text_style_t *p_style,
- line_desc_t *p_line, uint32_t *psz_unicode,
- int *pi_pen_x, int i_pen_y, int *pi_start,
- FT_Vector *p_result )
-{
- FT_BBox line;
- int i_yMin, i_yMax;
- int i;
- bool b_first_on_line = true;
-
- int i_previous = 0;
- int i_pen_x_start = *pi_pen_x;
-
- uint32_t *psz_unicode_start = psz_unicode;
-
- line.xMin = line.xMax = line.yMin = line.yMax = 0;
-
- /* Account for part of line already in position */
- for( i = 0; i<*pi_start; i++ )
- {
- FT_BBox glyph_size;
-
- FT_Glyph_Get_CBox( (FT_Glyph) p_line->pp_glyphs[ i ],
- ft_glyph_bbox_pixels, &glyph_size );
-
- line.xMax = p_line->p_glyph_pos[ i ].x + glyph_size.xMax -
- glyph_size.xMin + p_line->pp_glyphs[ i ]->left;
- line.yMax = __MAX( line.yMax, glyph_size.yMax );
- line.yMin = __MIN( line.yMin, glyph_size.yMin );
- }
- i_yMin = line.yMin;
- i_yMax = line.yMax;
-
- if( line.xMax > 0 )
- b_first_on_line = false;
-
- while( *psz_unicode && ( *psz_unicode != '\n' ) )
- {
- FT_BBox glyph_size;
- FT_Glyph tmp_glyph;
- int i_error;
-
- int i_glyph_index = FT_Get_Char_Index( p_face, *psz_unicode++ );
- if( FT_HAS_KERNING( p_face ) && i_glyph_index
- && i_previous )
- {
- FT_Vector delta;
- FT_Get_Kerning( p_face, i_previous, i_glyph_index,
- ft_kerning_default, &delta );
- *pi_pen_x += delta.x >> 6;
- }
- p_line->p_glyph_pos[ i ].x = *pi_pen_x;
- p_line->p_glyph_pos[ i ].y = i_pen_y;
-
- i_error = FT_Load_Glyph( p_face, i_glyph_index, FT_LOAD_NO_BITMAP | FT_LOAD_DEFAULT );
- if( i_error )
- {
- i_error = FT_Load_Glyph( p_face, i_glyph_index, FT_LOAD_DEFAULT );
- if( i_error )
- {
- msg_Err( p_filter,
- "unable to render text FT_Load_Glyph returned %d", i_error );
- p_line->pp_glyphs[ i ] = NULL;
- return VLC_EGENERIC;
- }
- }
-
- /* Do synthetic styling now that Freetype supports it;
- * ie. if the font we have loaded is NOT already in the
- * style that the tags want, then switch it on; if they
- * are then don't. */
- if ((p_style->i_style_flags & STYLE_BOLD) && !(p_face->style_flags & FT_STYLE_FLAG_BOLD))
- FT_GlyphSlot_Embolden( p_face->glyph );
- if ((p_style->i_style_flags & STYLE_ITALIC) && !(p_face->style_flags & FT_STYLE_FLAG_ITALIC))
- FT_GlyphSlot_Oblique( p_face->glyph );
-
- i_error = FT_Get_Glyph( p_face->glyph, &tmp_glyph );
- if( i_error )
- {
- msg_Err( p_filter,
- "unable to render text FT_Get_Glyph returned %d", i_error );
- p_line->pp_glyphs[ i ] = NULL;
- return VLC_EGENERIC;
- }
- FT_Glyph_Get_CBox( tmp_glyph, ft_glyph_bbox_pixels, &glyph_size );
- i_error = FT_Glyph_To_Bitmap( &tmp_glyph, FT_RENDER_MODE_NORMAL, 0, 1);
- if( i_error )
- {
- FT_Done_Glyph( tmp_glyph );
- continue;
- }
- if( p_style->i_style_flags & (STYLE_UNDERLINE | STYLE_STRIKEOUT) )
- {
- float aOffset = FT_FLOOR(FT_MulFix(p_face->underline_position,
- p_face->size->metrics.y_scale));
- float aSize = FT_CEIL(FT_MulFix(p_face->underline_thickness,
- p_face->size->metrics.y_scale));
-
- p_line->pi_underline_offset[ i ] =
- ( aOffset < 0 ) ? -aOffset : aOffset;
- p_line->pi_underline_thickness[ i ] =
- ( aSize < 0 ) ? -aSize : aSize;
- if( p_style->i_style_flags & STYLE_STRIKEOUT )
- {
- /* Move the baseline to make it strikethrough instead of
- * underline. That means that strikethrough takes precedence
- */
- float aDescent = FT_FLOOR(FT_MulFix(p_face->descender*2,
- p_face->size->metrics.y_scale));
-
- p_line->pi_underline_offset[ i ] -=
- ( aDescent < 0 ) ? -aDescent : aDescent;
- }
- }
-
- p_line->pp_glyphs[ i ] = (FT_BitmapGlyph)tmp_glyph;
- p_line->p_fg_rgb[ i ] = p_style->i_font_color;
- p_line->p_bg_rgb[ i ] = p_style->i_karaoke_background_color;
- p_line->p_fg_bg_ratio[ i ] = 0x00;
-
- line.xMax = p_line->p_glyph_pos[i].x + glyph_size.xMax -
- glyph_size.xMin + ((FT_BitmapGlyph)tmp_glyph)->left;
- if( line.xMax > (int)p_filter->fmt_out.video.i_visible_width - 20 )
- {
- for( ; i >= *pi_start; i-- )
- FT_Done_Glyph( (FT_Glyph)p_line->pp_glyphs[ i ] );
- i = *pi_start;
-
- while( psz_unicode > psz_unicode_start && *psz_unicode != ' ' )
- {
- psz_unicode--;
- }
- if( psz_unicode == psz_unicode_start )
- {
- if( b_first_on_line )
- {
- msg_Warn( p_filter, "unbreakable string" );
- p_line->pp_glyphs[ i ] = NULL;
- return VLC_EGENERIC;
- }
- *pi_pen_x = i_pen_x_start;
-
- p_line->i_width = line.xMax;
- p_line->i_height = __MAX( p_line->i_height,
- p_face->size->metrics.height >> 6 );
- p_line->pp_glyphs[ i ] = NULL;
-
- p_result->x = __MAX( p_result->x, line.xMax );
- p_result->y = __MAX( p_result->y, __MAX( p_line->i_height,
- i_yMax - i_yMin ) );
- return VLC_SUCCESS;
- }
- else
- {
- *psz_unicode = '\n';
- }
- psz_unicode = psz_unicode_start;
- *pi_pen_x = i_pen_x_start;
- i_previous = 0;
-
- line.yMax = i_yMax;
- line.yMin = i_yMin;
-
- continue;
- }
- line.yMax = __MAX( line.yMax, glyph_size.yMax );
- line.yMin = __MIN( line.yMin, glyph_size.yMin );
-
- i_previous = i_glyph_index;
- *pi_pen_x += p_face->glyph->advance.x >> 6;
- i++;
- }
- p_line->i_width = line.xMax;
- p_line->i_height = __MAX( p_line->i_height,
- p_face->size->metrics.height >> 6 );
- p_line->pp_glyphs[ i ] = NULL;
-
- p_result->x = __MAX( p_result->x, line.xMax );
- p_result->y = __MAX( p_result->y, __MAX( p_line->i_height,
- line.yMax - line.yMin ) );
-
- *pi_start = i;
-
- /* Get rid of any text processed - if necessary repositioning
- * at the start of a new line of text
- */
- if( !*psz_unicode )
- {
- *psz_unicode_start = '\0';
- }
- else if( psz_unicode > psz_unicode_start )
- {
- for( i=0; psz_unicode[ i ]; i++ )
- psz_unicode_start[ i ] = psz_unicode[ i ];
- psz_unicode_start[ i ] = '\0';
- }
-
- return VLC_SUCCESS;
-}
-
static unsigned SetupText( filter_t *p_filter,
uint32_t *psz_text_out,
text_style_t **pp_styles,
return p_line;
}
+static int RenderTag( filter_t *p_filter, FT_Face p_face,
+ const text_style_t *p_style,
+ line_desc_t *p_line, uint32_t *psz_unicode,
+ int *pi_pen_x, int i_pen_y, int *pi_start,
+ FT_Vector *p_result )
+{
+ FT_BBox line;
+ int i_yMin, i_yMax;
+ int i;
+ bool b_first_on_line = true;
+
+ int i_previous = 0;
+ int i_pen_x_start = *pi_pen_x;
+
+ uint32_t *psz_unicode_start = psz_unicode;
+
+ line.xMin = line.xMax = line.yMin = line.yMax = 0;
+
+ /* Account for part of line already in position */
+ for( i = 0; i<*pi_start; i++ )
+ {
+ FT_BBox glyph_size;
+
+ FT_Glyph_Get_CBox( (FT_Glyph) p_line->pp_glyphs[ i ],
+ ft_glyph_bbox_pixels, &glyph_size );
+
+ line.xMax = p_line->p_glyph_pos[ i ].x + glyph_size.xMax -
+ glyph_size.xMin + p_line->pp_glyphs[ i ]->left;
+ line.yMax = __MAX( line.yMax, glyph_size.yMax );
+ line.yMin = __MIN( line.yMin, glyph_size.yMin );
+ }
+ i_yMin = line.yMin;
+ i_yMax = line.yMax;
+
+ if( line.xMax > 0 )
+ b_first_on_line = false;
+
+ while( *psz_unicode && ( *psz_unicode != '\n' ) )
+ {
+ FT_BBox glyph_size;
+ FT_Glyph tmp_glyph;
+ int i_error;
+
+ int i_glyph_index = FT_Get_Char_Index( p_face, *psz_unicode++ );
+ if( FT_HAS_KERNING( p_face ) && i_glyph_index
+ && i_previous )
+ {
+ FT_Vector delta;
+ FT_Get_Kerning( p_face, i_previous, i_glyph_index,
+ ft_kerning_default, &delta );
+ *pi_pen_x += delta.x >> 6;
+ }
+ p_line->p_glyph_pos[ i ].x = *pi_pen_x;
+ p_line->p_glyph_pos[ i ].y = i_pen_y;
+
+ i_error = FT_Load_Glyph( p_face, i_glyph_index, FT_LOAD_NO_BITMAP | FT_LOAD_DEFAULT );
+ if( i_error )
+ {
+ i_error = FT_Load_Glyph( p_face, i_glyph_index, FT_LOAD_DEFAULT );
+ if( i_error )
+ {
+ msg_Err( p_filter,
+ "unable to render text FT_Load_Glyph returned %d", i_error );
+ p_line->pp_glyphs[ i ] = NULL;
+ return VLC_EGENERIC;
+ }
+ }
+
+ /* Do synthetic styling now that Freetype supports it;
+ * ie. if the font we have loaded is NOT already in the
+ * style that the tags want, then switch it on; if they
+ * are then don't. */
+ if ((p_style->i_style_flags & STYLE_BOLD) && !(p_face->style_flags & FT_STYLE_FLAG_BOLD))
+ FT_GlyphSlot_Embolden( p_face->glyph );
+ if ((p_style->i_style_flags & STYLE_ITALIC) && !(p_face->style_flags & FT_STYLE_FLAG_ITALIC))
+ FT_GlyphSlot_Oblique( p_face->glyph );
+
+ i_error = FT_Get_Glyph( p_face->glyph, &tmp_glyph );
+ if( i_error )
+ {
+ msg_Err( p_filter,
+ "unable to render text FT_Get_Glyph returned %d", i_error );
+ p_line->pp_glyphs[ i ] = NULL;
+ return VLC_EGENERIC;
+ }
+ FT_Glyph_Get_CBox( tmp_glyph, ft_glyph_bbox_pixels, &glyph_size );
+ i_error = FT_Glyph_To_Bitmap( &tmp_glyph, FT_RENDER_MODE_NORMAL, 0, 1);
+ if( i_error )
+ {
+ FT_Done_Glyph( tmp_glyph );
+ continue;
+ }
+ if( p_style->i_style_flags & (STYLE_UNDERLINE | STYLE_STRIKEOUT) )
+ {
+ float aOffset = FT_FLOOR(FT_MulFix(p_face->underline_position,
+ p_face->size->metrics.y_scale));
+ float aSize = FT_CEIL(FT_MulFix(p_face->underline_thickness,
+ p_face->size->metrics.y_scale));
+
+ p_line->pi_underline_offset[ i ] =
+ ( aOffset < 0 ) ? -aOffset : aOffset;
+ p_line->pi_underline_thickness[ i ] =
+ ( aSize < 0 ) ? -aSize : aSize;
+ if( p_style->i_style_flags & STYLE_STRIKEOUT )
+ {
+ /* Move the baseline to make it strikethrough instead of
+ * underline. That means that strikethrough takes precedence
+ */
+ float aDescent = FT_FLOOR(FT_MulFix(p_face->descender*2,
+ p_face->size->metrics.y_scale));
+
+ p_line->pi_underline_offset[ i ] -=
+ ( aDescent < 0 ) ? -aDescent : aDescent;
+ }
+ }
+
+ p_line->pp_glyphs[ i ] = (FT_BitmapGlyph)tmp_glyph;
+ p_line->p_fg_rgb[ i ] = p_style->i_font_color;
+ p_line->p_bg_rgb[ i ] = p_style->i_karaoke_background_color;
+ p_line->p_fg_bg_ratio[ i ] = 0x00;
+
+ line.xMax = p_line->p_glyph_pos[i].x + glyph_size.xMax -
+ glyph_size.xMin + ((FT_BitmapGlyph)tmp_glyph)->left;
+ if( line.xMax > (int)p_filter->fmt_out.video.i_visible_width - 20 )
+ {
+ for( ; i >= *pi_start; i-- )
+ FT_Done_Glyph( (FT_Glyph)p_line->pp_glyphs[ i ] );
+ i = *pi_start;
+
+ while( psz_unicode > psz_unicode_start && *psz_unicode != ' ' )
+ {
+ psz_unicode--;
+ }
+ if( psz_unicode == psz_unicode_start )
+ {
+ if( b_first_on_line )
+ {
+ msg_Warn( p_filter, "unbreakable string" );
+ p_line->pp_glyphs[ i ] = NULL;
+ return VLC_EGENERIC;
+ }
+ *pi_pen_x = i_pen_x_start;
+
+ p_line->i_width = line.xMax;
+ p_line->i_height = __MAX( p_line->i_height,
+ p_face->size->metrics.height >> 6 );
+ p_line->pp_glyphs[ i ] = NULL;
+
+ p_result->x = __MAX( p_result->x, line.xMax );
+ p_result->y = __MAX( p_result->y, __MAX( p_line->i_height,
+ i_yMax - i_yMin ) );
+ return VLC_SUCCESS;
+ }
+ else
+ {
+ *psz_unicode = '\n';
+ }
+ psz_unicode = psz_unicode_start;
+ *pi_pen_x = i_pen_x_start;
+ i_previous = 0;
+
+ line.yMax = i_yMax;
+ line.yMin = i_yMin;
+
+ continue;
+ }
+ line.yMax = __MAX( line.yMax, glyph_size.yMax );
+ line.yMin = __MIN( line.yMin, glyph_size.yMin );
+
+ i_previous = i_glyph_index;
+ *pi_pen_x += p_face->glyph->advance.x >> 6;
+ i++;
+ }
+ p_line->i_width = line.xMax;
+ p_line->i_height = __MAX( p_line->i_height,
+ p_face->size->metrics.height >> 6 );
+ p_line->pp_glyphs[ i ] = NULL;
+
+ p_result->x = __MAX( p_result->x, line.xMax );
+ p_result->y = __MAX( p_result->y, __MAX( p_line->i_height,
+ line.yMax - line.yMin ) );
+
+ *pi_start = i;
+
+ /* Get rid of any text processed - if necessary repositioning
+ * at the start of a new line of text
+ */
+ if( !*psz_unicode )
+ {
+ *psz_unicode_start = '\0';
+ }
+ else if( psz_unicode > psz_unicode_start )
+ {
+ for( i=0; psz_unicode[ i ]; i++ )
+ psz_unicode_start[ i ] = psz_unicode[ i ];
+ psz_unicode_start[ i ] = '\0';
+ }
+
+ return VLC_SUCCESS;
+}
+
static int ProcessLines( filter_t *p_filter,
line_desc_t **pp_lines,
projects / vlc / blobdiff