diff --git a/src/autofit/aflatin.c b/src/autofit/aflatin.c index 91a71cfa3..67b454054 100644 --- a/src/autofit/aflatin.c +++ b/src/autofit/aflatin.c @@ -2845,6 +2845,51 @@ } + static FT_Int + af_find_second_highest_contour( AF_GlyphHints hints ) + { + FT_Int highest_contour; + FT_Pos highest_min_y; + + FT_Int second_highest_contour = 0; + FT_Pos second_highest_max_y = FT_INT_MIN; + + FT_Int contour; + + + if ( hints->num_contours < 3 ) + return 0; + + highest_contour = af_find_highest_contour( hints ); + highest_min_y = hints->contour_y_minima[highest_contour]; + + /* Search the contour with the largest vertical maximum that has a */ + /* vertical minimum lower than the vertical minimum of the topmost */ + /* contour. */ + for ( contour = 0; contour < hints->num_contours; contour++ ) + { + FT_Pos current_min_y; + FT_Pos current_max_y; + + + if ( contour == highest_contour ) + continue; + + current_min_y = hints->contour_y_minima[contour]; + current_max_y = hints->contour_y_maxima[contour]; + + if ( current_max_y > second_highest_max_y && + current_min_y < highest_min_y ) + { + second_highest_max_y = current_max_y; + second_highest_contour = contour; + } + } + + return second_highest_contour; + } + + static FT_Int af_find_lowest_contour( AF_GlyphHints hints ) { @@ -2870,6 +2915,48 @@ } + static FT_Int + af_find_second_lowest_contour( AF_GlyphHints hints ) + { + FT_Int lowest_contour; + FT_Pos lowest_max_y; + + FT_Int second_lowest_contour = 0; + FT_Pos second_lowest_min_y = FT_INT_MAX; + + FT_Int contour; + + + if ( hints->num_contours < 3 ) + return 0; + + lowest_contour = af_find_lowest_contour( hints ); + lowest_max_y = hints->contour_y_maxima[lowest_contour]; + + for ( contour = 0; contour < hints->num_contours; contour++ ) + { + FT_Pos current_min_y; + FT_Pos current_max_y; + + + if ( contour == lowest_contour ) + continue; + + current_min_y = hints->contour_y_minima[contour]; + current_max_y = hints->contour_y_maxima[contour]; + + if ( current_min_y < second_lowest_min_y && + current_max_y > lowest_max_y ) + { + second_lowest_min_y = current_min_y; + second_lowest_contour = contour; + } + } + + return second_lowest_contour; + } + + static void af_remove_segments_containing_point( AF_GlyphHints hints, AF_Point point )