Fix infinite loop bug in tilde fix, added then commented out a bunch of non-working GSUB handling
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75876af476
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@ -187,8 +187,17 @@ af_lookup_vertical_seperation_type( AF_ReverseCharacterMap map, FT_Int glyph_ind
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FT_LOCAL_DEF( FT_Int )
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af_lookup_tilde_correction_type( AF_ReverseCharacterMap map, FT_Int glyph_index ) {
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FT_UInt32 codepoint = af_reverse_character_map_lookup( map, glyph_index );
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if ( codepoint == 0xF1 ) {
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return 1;
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/* bits are: apply stretch, apply segment removal */
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if ( codepoint == 0xF1 ) { /*n tilde*/
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return 0b01;
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}
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else if ( codepoint == 0xE3 ) /*a tilde*/
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{
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return 0b11;
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}
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else if ( codepoint == 0xF5 ) /*o tilde*/
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{
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return 0b10;
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}
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return 0;
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}
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@ -336,7 +345,8 @@ af_reverse_character_map_new( AF_ReverseCharacterMap *map, AF_FaceGlobals global
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af_reverse_character_map_entry_compare
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);
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#ifdef FT_CONFIG_OPTION_USE_HARFBUZZ
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#if 0
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/*#ifdef FT_CONFIG_OPTION_USE_HARFBUZZ*/
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hb_font_t *hb_font = globals->hb_font;
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hb_face_t *hb_face = hb_font_get_face( hb_font );
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hb_set_t *feature_indicies = hb_set_create();
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@ -350,8 +360,6 @@ af_reverse_character_map_new( AF_ReverseCharacterMap *map, AF_FaceGlobals global
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feature_indicies
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);
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hb_codepoint_t feature_index = HB_SET_VALUE_INVALID;
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FT_UInt added_entries = 0;
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while ( hb_set_next(feature_indicies, &feature_index) )
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{
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hb_codepoint_t output_glyph_index;
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@ -366,6 +374,20 @@ af_reverse_character_map_new( AF_ReverseCharacterMap *map, AF_FaceGlobals global
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glyphs_output);
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/*Don't consider anything involving context. Just do the
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simple cases*/
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FT_TRACE4(("num inputs: %d\n", hb_set_get_population( glyphs_input )));
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FT_TRACE4(("num outputs: %d\n", hb_set_get_population( glyphs_output )));
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FT_TRACE4(("num before: %d\n", hb_set_get_population( glyphs_before )));
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FT_TRACE4(("num after: %d\n", hb_set_get_population( glyphs_after )));
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hb_codepoint_t input = HB_SET_VALUE_INVALID;
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while ( hb_set_next( glyphs_input, &input ) )
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{
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FT_TRACE4(("input: %d\n", input));
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}
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hb_codepoint_t output = HB_SET_VALUE_INVALID;
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while ( hb_set_next( glyphs_output, &output ) )
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{
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FT_TRACE4(("output: %d\n", output));
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}
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if ( hb_set_get_population( glyphs_before ) > 0 ||
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hb_set_get_population( glyphs_after ) > 0 )
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{
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@ -378,18 +400,22 @@ af_reverse_character_map_new( AF_ReverseCharacterMap *map, AF_FaceGlobals global
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hb_codepoint_t input_glyph_index = HB_SET_VALUE_INVALID;
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const AF_AdjustmentDatabaseEntry* input_entry = NULL;
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FT_UInt32 input_codepoint;
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FT_UInt32 input_codepoint = 0;
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while ( hb_set_next( glyphs_input, &input_glyph_index ) ) {
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input_codepoint = af_reverse_character_map_lookup_( *map, input_glyph_index, oldlength );
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if ( input_codepoint == 0 )
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FT_TRACE4(("input glyph: %d\n", input_glyph_index));
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FT_UInt32 inner_codepoint = af_reverse_character_map_lookup_( *map, input_glyph_index, oldlength );
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if ( inner_codepoint == 0 )
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{
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continue;
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}
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const AF_AdjustmentDatabaseEntry* entry = af_adjustment_database_lookup( input_codepoint );
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const AF_AdjustmentDatabaseEntry* entry = af_adjustment_database_lookup( inner_codepoint );
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if ( entry == NULL )
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{
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continue;
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}
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if ( input_codepoint == 0 ) {
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input_codepoint = inner_codepoint;
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}
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if ( input_entry == NULL )
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{
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@ -404,6 +430,10 @@ af_reverse_character_map_new( AF_ReverseCharacterMap *map, AF_FaceGlobals global
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}
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}
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if ( input_codepoint == 0 )
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{
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continue;
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}
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output_glyph_index = HB_SET_VALUE_INVALID;
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hb_set_next( glyphs_output, &output_glyph_index );
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@ -2809,13 +2809,18 @@ af_remove_segments_containing_point(AF_GlyphHints hints, AF_Point point)
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{
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AF_Segment seg = &segments[i];
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FT_Bool remove = 0;
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for ( AF_Point p = seg->first; p <= seg->last; p = p->next )
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AF_Point p = seg->first;
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while ( 1 )
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{
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if ( p == point )
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{
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remove = 1;
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break;
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}
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if (p == seg->last) {
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break;
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}
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p = p->next;
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}
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if ( remove )
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@ -2856,7 +2861,7 @@ af_latin_stretch_tildes_step_2( AF_GlyphHints hints,
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FT_Int glyph_index,
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AF_ReverseCharacterMap reverse_charmap )
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{
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if (af_lookup_tilde_correction_type(reverse_charmap, glyph_index)) {
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if (af_lookup_tilde_correction_type(reverse_charmap, glyph_index) & 1) {
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FT_Int highest_contour = af_find_highest_contour(hints);
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AF_Point first_point = hints->contours[highest_contour];
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@ -2872,18 +2877,17 @@ af_latin_stretch_tildes_step_2( AF_GlyphHints hints,
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&& p->prev->flags & AF_FLAG_CONTROL
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&& p->next->flags & AF_FLAG_CONTROL*/ 1 )
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{
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FT_TRACE4(("%p", p));
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af_remove_segments_containing_point( hints, p );
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}
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} while ( p != first_point );
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}
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}
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void
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af_latin_stretch_tildes( AF_GlyphHints hints,
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FT_Int glyph_index,
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AF_ReverseCharacterMap reverse_charmap ) {
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if ( af_lookup_tilde_correction_type( reverse_charmap, glyph_index ) ) {
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if ( af_lookup_tilde_correction_type( reverse_charmap, glyph_index ) & 2 ) {
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FT_Int highest_contour = af_find_highest_contour( hints );
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AF_Point p = hints->contours[highest_contour];
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AF_Point first_point = p;
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@ -4116,7 +4120,7 @@ static void traceheight(FT_UInt num, AF_GlyphHints hints) {
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if ( AF_HINTS_DO_VERTICAL( hints ) )
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{
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/*af_latin_stretch_tildes( hints, glyph_index, metrics->root.reverse_charmap );*/
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af_latin_stretch_tildes( hints, glyph_index, metrics->root.reverse_charmap );
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axis = &metrics->axis[AF_DIMENSION_VERT];
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error = af_latin_hints_detect_features( hints,
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axis->width_count,
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