- // Find the mid-point of the area containing the glyph
- const float glyphCenter = -glyphMetrics.xBearing + position.x + 0.5f * glyphMetrics.advance;
+ // Prevents to jump the whole Latin ligatures like fi, ff, ...
+ const Length numberOfCharactersInLigature = ( TextAbstraction::LATIN == script ) ? *( charactersPerGlyphBuffer + glyphLogicalOrderIndex ) : 1u;
+ const float glyphAdvance = glyphMetrics.advance / static_cast<float>( numberOfCharactersInLigature );
+
+ for( GlyphIndex index = 0u; !matched && ( index < numberOfCharactersInLigature ); ++index )
+ {
+ // Find the mid-point of the area containing the glyph
+ const float glyphCenter = -glyphMetrics.xBearing + position.x + ( static_cast<float>( index ) + 0.5f ) * glyphAdvance;
+
+ if( visualX < glyphCenter )
+ {
+ visualIndex += index;
+ matched = true;
+ break;
+ }
+ }