Exemple #1
0
        public virtual SubTable GetSubTable(uint i)
        {
            if (i >= SubTableCount)
            {
                throw new ArgumentOutOfRangeException();
            }

            SubTable st = null;
            uint stOffset = m_offsetLookupTable + (uint)GetSubTableOffset(i);

            if ((string)m_tag == "GPOS")
            {
                switch (LookupType)
                {
                    case 1: st = new Table_GPOS.SinglePos      (stOffset, m_bufTable); break;
                    case 2: st = new Table_GPOS.PairPos        (stOffset, m_bufTable); break;
                    case 3: st = new Table_GPOS.CursivePos     (stOffset, m_bufTable); break;
                    case 4: st = new Table_GPOS.MarkBasePos    (stOffset, m_bufTable); break;
                    case 5: st = new Table_GPOS.MarkLigPos     (stOffset, m_bufTable); break;
                    case 6: st = new Table_GPOS.MarkMarkPos    (stOffset, m_bufTable); break;
                    case 7: st = new Table_GPOS.ContextPos     (stOffset, m_bufTable); break;
                    case 8: st = new Table_GPOS.ChainContextPos(stOffset, m_bufTable); break;
                    case 9: st = new Table_GPOS.ExtensionPos   (stOffset, m_bufTable); break;
                }
            }
            else if ((string)m_tag == "GSUB")
            {
                switch (LookupType)
                {
                    case 1: st = new Table_GSUB.SingleSubst      (stOffset, m_bufTable); break;
                    case 2: st = new Table_GSUB.MultipleSubst    (stOffset, m_bufTable); break;
                    case 3: st = new Table_GSUB.AlternateSubst   (stOffset, m_bufTable); break;
                    case 4: st = new Table_GSUB.LigatureSubst    (stOffset, m_bufTable); break;
                    case 5: st = new Table_GSUB.ContextSubst     (stOffset, m_bufTable); break;
                    case 6: st = new Table_GSUB.ChainContextSubst(stOffset, m_bufTable); break;
                    case 7: st = new Table_GSUB.ExtensionSubst   (stOffset, m_bufTable); break;
                    case 8: st = new Table_GSUB.ReverseChainSubst(stOffset, m_bufTable); break;
                }
            }
            else
            {
                throw new InvalidOperationException("unknown table type");
            }

            return st;
        }
Exemple #2
0
        public virtual SubTable GetSubTable(uint i)
        {
            if (i >= SubTableCount)
            {
                throw new ArgumentOutOfRangeException();
            }

            SubTable st       = null;
            uint     stOffset = m_offsetLookupTable + (uint)GetSubTableOffset(i);

            if ((string)m_tag == "GPOS")
            {
                switch (LookupType)
                {
                case 1: st = new Table_GPOS.SinglePos(stOffset, m_bufTable); break;

                case 2: st = new Table_GPOS.PairPos(stOffset, m_bufTable); break;

                case 3: st = new Table_GPOS.CursivePos(stOffset, m_bufTable); break;

                case 4: st = new Table_GPOS.MarkBasePos(stOffset, m_bufTable); break;

                case 5: st = new Table_GPOS.MarkLigPos(stOffset, m_bufTable); break;

                case 6: st = new Table_GPOS.MarkMarkPos(stOffset, m_bufTable); break;

                case 7: st = new Table_GPOS.ContextPos(stOffset, m_bufTable); break;

                case 8: st = new Table_GPOS.ChainContextPos(stOffset, m_bufTable); break;

                case 9: st = new Table_GPOS.ExtensionPos(stOffset, m_bufTable); break;
                }
            }
            else if ((string)m_tag == "GSUB")
            {
                switch (LookupType)
                {
                case 1: st = new Table_GSUB.SingleSubst(stOffset, m_bufTable); break;

                case 2: st = new Table_GSUB.MultipleSubst(stOffset, m_bufTable); break;

                case 3: st = new Table_GSUB.AlternateSubst(stOffset, m_bufTable); break;

                case 4: st = new Table_GSUB.LigatureSubst(stOffset, m_bufTable); break;

                case 5: st = new Table_GSUB.ContextSubst(stOffset, m_bufTable); break;

                case 6: st = new Table_GSUB.ChainContextSubst(stOffset, m_bufTable); break;

                case 7: st = new Table_GSUB.ExtensionSubst(stOffset, m_bufTable); break;

                case 8: st = new Table_GSUB.ReverseChainSubst(stOffset, m_bufTable); break;
                }
            }
            else
            {
                throw new InvalidOperationException("unknown table type");
            }

            return(st);
        }