20060303a

1 files changed, 1403 insertions, 0 deletions

diff --git a/libfreetype/psobjs.c b/libfreetype/psobjs.c
new file mode 100644
index 00000000..60359506
--- /dev/null
+++ b/libfreetype/psobjs.c
@@ -0,0 +1,1403 @@
+/***************************************************************************/
+/*                                                                         */
+/*  psobjs.c                                                               */
+/*                                                                         */
+/*    Auxiliary functions for PostScript fonts (body).                     */
+/*                                                                         */
+/*  Copyright 1996-2001, 2002 by                                           */
+/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
+/*                                                                         */
+/*  This file is part of the FreeType project, and may only be used,       */
+/*  modified, and distributed under the terms of the FreeType project      */
+/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
+/*  this file you indicate that you have read the license and              */
+/*  understand and accept it fully.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+
+#include <ft2build.h>
+#include FT_INTERNAL_POSTSCRIPT_AUX_H
+#include FT_INTERNAL_DEBUG_H
+
+#include "psobjs.h"
+
+#include "psauxerr.h"
+
+
+  /*************************************************************************/
+  /*************************************************************************/
+  /*****                                                               *****/
+  /*****                             PS_TABLE                          *****/
+  /*****                                                               *****/
+  /*************************************************************************/
+  /*************************************************************************/
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Function>                                                            */
+  /*    ps_table_new                                                       */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    Initializes a PS_Table.                                            */
+  /*                                                                       */
+  /* <InOut>                                                               */
+  /*    table  :: The address of the target table.                         */
+  /*                                                                       */
+  /* <Input>                                                               */
+  /*    count  :: The table size = the maximum number of elements.         */
+  /*                                                                       */
+  /*    memory :: The memory object to use for all subsequent              */
+  /*              reallocations.                                           */
+  /*                                                                       */
+  /* <Return>                                                              */
+  /*    FreeType error code.  0 means success.                             */
+  /*                                                                       */
+  FT_LOCAL_DEF( FT_Error )
+  ps_table_new( PS_Table   table,
+                FT_Int     count,
+                FT_Memory  memory )
+  {
+    FT_Error  error;
+
+
+    table->memory = memory;
+    if ( FT_NEW_ARRAY( table->elements, count ) ||
+         FT_NEW_ARRAY( table->lengths,  count ) )
+      goto Exit;
+
+    table->max_elems = count;
+    table->init      = 0xDEADBEEFUL;
+    table->num_elems = 0;
+    table->block     = 0;
+    table->capacity  = 0;
+    table->cursor    = 0;
+
+    *(PS_Table_FuncsRec*)&table->funcs = ps_table_funcs;
+
+  Exit:
+    if ( error )
+      FT_FREE( table->elements );
+
+    return error;
+  }
+
+
+  static void
+  shift_elements( PS_Table  table,
+                  FT_Byte*  old_base )
+  {
+    FT_Long    delta  = (FT_Long)( table->block - old_base );
+    FT_Byte**  offset = table->elements;
+    FT_Byte**  limit  = offset + table->max_elems;
+
+
+    for ( ; offset < limit; offset++ )
+    {
+      if ( offset[0] )
+        offset[0] += delta;
+    }
+  }
+
+
+  static FT_Error
+  reallocate_t1_table( PS_Table  table,
+                       FT_Long   new_size )
+  {
+    FT_Memory  memory   = table->memory;
+    FT_Byte*   old_base = table->block;
+    FT_Error   error;
+
+
+    /* allocate new base block */
+    if ( FT_ALLOC( table->block, new_size ) )
+      return error;
+
+    /* copy elements and shift offsets */
+    if (old_base )
+    {
+      FT_MEM_COPY( table->block, old_base, table->capacity );
+      shift_elements( table, old_base );
+      FT_FREE( old_base );
+    }
+
+    table->capacity = new_size;
+
+    return PSaux_Err_Ok;
+  }
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Function>                                                            */
+  /*    ps_table_add                                                       */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    Adds an object to a PS_Table, possibly growing its memory block.   */
+  /*                                                                       */
+  /* <InOut>                                                               */
+  /*    table  :: The target table.                                        */
+  /*                                                                       */
+  /* <Input>                                                               */
+  /*    idx  :: The index of the object in the table.                      */
+  /*                                                                       */
+  /*    object :: The address of the object to copy in memory.             */
+  /*                                                                       */
+  /*    length :: The length in bytes of the source object.                */
+  /*                                                                       */
+  /* <Return>                                                              */
+  /*    FreeType error code.  0 means success.  An error is returned if a  */
+  /*    reallocation fails.                                                */
+  /*                                                                       */
+  FT_LOCAL_DEF( FT_Error )
+  ps_table_add( PS_Table  table,
+                FT_Int    idx,
+                void*     object,
+                FT_Int    length )
+  {
+    if ( idx < 0 || idx > table->max_elems )
+    {
+      FT_ERROR(( "ps_table_add: invalid index\n" ));
+      return PSaux_Err_Invalid_Argument;
+    }
+
+    /* grow the base block if needed */
+    if ( table->cursor + length > table->capacity )
+    {
+      FT_Error   error;
+      FT_Offset  new_size  = table->capacity;
+      FT_Long    in_offset;
+
+
+      in_offset = (FT_Long)((FT_Byte*)object - table->block);
+      if ( (FT_ULong)in_offset >= table->capacity )
+        in_offset = -1;
+
+      while ( new_size < table->cursor + length )
+      {
+        /* increase size by 25% and round up to the nearest multiple of 1024 */
+        new_size += (new_size >> 2) + 1;
+        new_size  = ( new_size + 1023 ) & -1024;
+      }
+
+      error = reallocate_t1_table( table, new_size );
+      if ( error )
+        return error;
+
+      if ( in_offset >= 0 )
+        object = table->block + in_offset;
+    }
+
+    /* add the object to the base block and adjust offset */
+    table->elements[idx] = table->block + table->cursor;
+    table->lengths [idx] = length;
+    FT_MEM_COPY( table->block + table->cursor, object, length );
+
+    table->cursor += length;
+    return PSaux_Err_Ok;
+  }
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Function>                                                            */
+  /*    ps_table_done                                                      */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    Finalizes a PS_TableRec (i.e., reallocate it to its current        */
+  /*    cursor).                                                           */
+  /*                                                                       */
+  /* <InOut>                                                               */
+  /*    table :: The target table.                                         */
+  /*                                                                       */
+  /* <Note>                                                                */
+  /*    This function does NOT release the heap's memory block.  It is up  */
+  /*    to the caller to clean it, or reference it in its own structures.  */
+  /*                                                                       */
+  FT_LOCAL_DEF( void )
+  ps_table_done( PS_Table  table )
+  {
+    FT_Memory  memory = table->memory;
+    FT_Error   error;
+    FT_Byte*   old_base = table->block;
+
+
+    /* should never fail, because rec.cursor <= rec.size */
+    if ( !old_base )
+      return;
+
+    if ( FT_ALLOC( table->block, table->cursor ) )
+      return;
+    FT_MEM_COPY( table->block, old_base, table->cursor );
+    shift_elements( table, old_base );
+
+    table->capacity = table->cursor;
+    FT_FREE( old_base );
+
+    FT_UNUSED( error );
+  }
+
+
+  FT_LOCAL_DEF( void )
+  ps_table_release( PS_Table  table )
+  {
+    FT_Memory  memory = table->memory;
+
+
+    if ( (FT_ULong)table->init == 0xDEADBEEFUL )
+    {
+      FT_FREE( table->block );
+      FT_FREE( table->elements );
+      FT_FREE( table->lengths );
+      table->init = 0;
+    }
+  }
+
+
+  /*************************************************************************/
+  /*************************************************************************/
+  /*****                                                               *****/
+  /*****                            T1 PARSER                          *****/
+  /*****                                                               *****/
+  /*************************************************************************/
+  /*************************************************************************/
+
+
+#define IS_T1_WHITESPACE( c )  ( (c) == ' '  || (c) == '\t' )
+#define IS_T1_LINESPACE( c )   ( (c) == '\r' || (c) == '\n' )
+
+#define IS_T1_SPACE( c )  ( IS_T1_WHITESPACE( c ) || IS_T1_LINESPACE( c ) )
+
+
+  FT_LOCAL_DEF( void )
+  ps_parser_skip_spaces( PS_Parser  parser )
+  {
+    FT_Byte* cur   = parser->cursor;
+    FT_Byte* limit = parser->limit;
+
+
+    while ( cur < limit )
+    {
+      FT_Byte  c = *cur;
+
+
+      if ( !IS_T1_SPACE( c ) )
+        break;
+      cur++;
+    }
+    parser->cursor = cur;
+  }
+
+
+  FT_LOCAL_DEF( void )
+  ps_parser_skip_alpha( PS_Parser  parser )
+  {
+    FT_Byte* cur   = parser->cursor;
+    FT_Byte* limit = parser->limit;
+
+
+    while ( cur < limit )
+    {
+      FT_Byte  c = *cur;
+
+
+      if ( IS_T1_SPACE( c ) )
+        break;
+      cur++;
+    }
+    parser->cursor = cur;
+  }
+
+
+  FT_LOCAL_DEF( void )
+  ps_parser_to_token( PS_Parser  parser,
+                      T1_Token   token )
+  {
+    FT_Byte*  cur;
+    FT_Byte*  limit;
+    FT_Byte   starter, ender;
+    FT_Int    embed;
+
+
+    token->type  = T1_TOKEN_TYPE_NONE;
+    token->start = 0;
+    token->limit = 0;
+
+    /* first of all, skip space */
+    ps_parser_skip_spaces( parser );
+
+    cur   = parser->cursor;
+    limit = parser->limit;
+
+    if ( cur < limit )
+    {
+      switch ( *cur )
+      {
+        /************* check for strings ***********************/
+      case '(':
+        token->type = T1_TOKEN_TYPE_STRING;
+        ender = ')';
+        goto Lookup_Ender;
+
+        /************* check for programs/array ****************/
+      case '{':
+        token->type = T1_TOKEN_TYPE_ARRAY;
+        ender = '}';
+        goto Lookup_Ender;
+
+        /************* check for table/array ******************/
+      case '[':
+        token->type = T1_TOKEN_TYPE_ARRAY;
+        ender = ']';
+
+      Lookup_Ender:
+        embed   = 1;
+        starter = *cur++;
+        token->start = cur;
+        while ( cur < limit )
+        {
+          if ( *cur == starter )
+            embed++;
+          else if ( *cur == ender )
+          {
+            embed--;
+            if ( embed <= 0 )
+            {
+              token->limit = cur++;
+              break;
+            }
+          }
+          cur++;
+        }
+        break;
+
+        /* **************** otherwise, it's any token **********/
+      default:
+        token->start = cur++;
+        token->type  = T1_TOKEN_TYPE_ANY;
+        while ( cur < limit && !IS_T1_SPACE( *cur ) )
+          cur++;
+
+        token->limit = cur;
+      }
+
+      if ( !token->limit )
+      {
+        token->start = 0;
+        token->type  = T1_TOKEN_TYPE_NONE;
+      }
+
+      parser->cursor = cur;
+    }
+  }
+
+
+  FT_LOCAL_DEF( void )
+  ps_parser_to_token_array( PS_Parser  parser,
+                            T1_Token   tokens,
+                            FT_UInt    max_tokens,
+                            FT_Int*    pnum_tokens )
+  {
+    T1_TokenRec  master;
+
+
+    *pnum_tokens = -1;
+
+    ps_parser_to_token( parser, &master );
+    if ( master.type == T1_TOKEN_TYPE_ARRAY )
+    {
+      FT_Byte*  old_cursor = parser->cursor;
+      FT_Byte*  old_limit  = parser->limit;
+      T1_Token  cur        = tokens;
+      T1_Token  limit      = cur + max_tokens;
+
+
+      parser->cursor = master.start;
+      parser->limit  = master.limit;
+
+      while ( parser->cursor < parser->limit )
+      {
+        T1_TokenRec  token;
+
+
+        ps_parser_to_token( parser, &token );
+        if ( !token.type )
+          break;
+
+        if ( cur < limit )
+          *cur = token;
+
+        cur++;
+      }
+
+      *pnum_tokens = (FT_Int)( cur - tokens );
+
+      parser->cursor = old_cursor;
+      parser->limit  = old_limit;
+    }
+  }
+
+
+  static FT_Long
+  T1Radix( FT_Long    radixBase,
+           FT_Byte**  cur,
+           FT_Byte*   limit )
+  {
+    FT_Long  result = 0;
+    FT_Byte  radixEndChar0 =
+               (FT_Byte)( radixBase > 10 ? '9' + 1 : '0' + radixBase );
+    FT_Byte  radixEndChar1 =
+               (FT_Byte)( 'A' + radixBase - 10 );
+    FT_Byte  radixEndChar2 =
+               (FT_Byte)( 'a' + radixBase - 10 );
+
+
+    while( *cur < limit )
+    {
+      if ( (*cur)[0] >= '0' && (*cur)[0] < radixEndChar0 )
+        result = result * radixBase + (*cur)[0] - '0';
+
+      else if ( radixBase > 10 &&
+                (*cur)[0] >= 'A' && (*cur)[0] < radixEndChar1 )
+        result = result * radixBase + ( (*cur)[0] - 'A' + 10 );
+
+      else if ( radixBase > 10 &&
+                (*cur)[0] >= 'a' && (*cur)[0] < radixEndChar2 )
+        result = result * radixBase + ( (*cur)[0] - 'a' + 10 );
+
+      else
+        return result;
+
+      (*cur)++;
+    }
+
+    return result;
+  }
+
+
+  static FT_Long
+  t1_toint( FT_Byte**  cursor,
+            FT_Byte*   limit )
+  {
+    FT_Long   result = 0;
+    FT_Byte*  cur    = *cursor;
+    FT_Byte   c      = '\0', d;
+
+
+    for ( ; cur < limit; cur++ )
+    {
+      c = *cur;
+      d = (FT_Byte)( c - '0' );
+      if ( d < 10 )
+        break;
+
+      if ( c == '-' )
+      {
+        cur++;
+        break;
+      }
+    }
+
+    if ( cur < limit )
+    {
+      do
+      {
+        d = (FT_Byte)( cur[0] - '0' );
+        if ( d >= 10 )
+        {
+          if ( cur[0] == '#' )
+          {
+            cur++;
+            result = T1Radix( result, &cur, limit );
+          }
+          break;
+        }
+
+        result = result * 10 + d;
+        cur++;
+
+      } while ( cur < limit );
+
+      if ( c == '-' )
+        result = -result;
+    }
+
+    *cursor = cur;
+    return result;
+  }
+
+
+  static FT_Long
+  t1_tofixed( FT_Byte**  cursor,
+              FT_Byte*   limit,
+              FT_Long    power_ten )
+  {
+    FT_Byte*  cur  = *cursor;
+    FT_Long   num, divider, result;
+    FT_Int    sign = 0;
+    FT_Byte   d;
+
+
+    if ( cur >= limit )
+      return 0;
+
+    /* first of all, check the sign */
+    if ( *cur == '-' )
+    {
+      sign = 1;
+      cur++;
+    }
+
+    /* then, read the integer part, if any */
+    if ( *cur != '.' )
+      result = t1_toint( &cur, limit ) << 16;
+    else
+      result = 0;
+
+    num     = 0;
+    divider = 1;
+
+    if ( cur >= limit )
+      goto Exit;
+
+    /* read decimal part, if any */
+    if ( *cur == '.' && cur + 1 < limit )
+    {
+      cur++;
+
+      for (;;)
+      {
+        d = (FT_Byte)( *cur - '0' );
+        if ( d >= 10 )
+          break;
+
+        if ( divider < 10000000L )
+        {
+          num      = num * 10 + d;
+          divider *= 10;
+        }
+
+        cur++;
+        if ( cur >= limit )
+          break;
+      }
+    }
+
+    /* read exponent, if any */
+    if ( cur + 1 < limit && ( *cur == 'e' || *cur == 'E' ) )
+    {
+      cur++;
+      power_ten += t1_toint( &cur, limit );
+    }
+
+  Exit:
+    /* raise to power of ten if needed */
+    while ( power_ten > 0 )
+    {
+      result = result * 10;
+      num    = num * 10;
+      power_ten--;
+    }
+
+    while ( power_ten < 0 )
+    {
+      result  = result / 10;
+      divider = divider * 10;
+      power_ten++;
+    }
+
+    if ( num )
+      result += FT_DivFix( num, divider );
+
+    if ( sign )
+      result = -result;
+
+    *cursor = cur;
+    return result;
+  }
+
+
+  static FT_Int
+  t1_tocoordarray( FT_Byte**  cursor,
+                   FT_Byte*   limit,
+                   FT_Int     max_coords,
+                   FT_Short*  coords )
+  {
+    FT_Byte*  cur   = *cursor;
+    FT_Int    count = 0;
+    FT_Byte   c, ender;
+
+
+    if ( cur >= limit )
+      goto Exit;
+
+    /* check for the beginning of an array; if not, only one number will */
+    /* be read                                                           */
+    c     = *cur;
+    ender = 0;
+
+    if ( c == '[' )
+      ender = ']';
+
+    if ( c == '{' )
+      ender = '}';
+
+    if ( ender )
+      cur++;
+
+    /* now, read the coordinates */
+    for ( ; cur < limit; )
+    {
+      /* skip whitespace in front of data */
+      for (;;)
+      {
+        c = *cur;
+        if ( c != ' ' && c != '\t' )
+          break;
+
+        cur++;
+        if ( cur >= limit )
+          goto Exit;
+      }
+
+      if ( count >= max_coords || c == ender )
+        break;
+
+      coords[count] = (FT_Short)( t1_tofixed( &cur, limit, 0 ) >> 16 );
+      count++;
+
+      if ( !ender )
+        break;
+    }
+
+  Exit:
+    *cursor = cur;
+    return count;
+  }
+
+
+  static FT_Int
+  t1_tofixedarray( FT_Byte**  cursor,
+                   FT_Byte*   limit,
+                   FT_Int     max_values,
+                   FT_Fixed*  values,
+                   FT_Int     power_ten )
+  {
+    FT_Byte*  cur   = *cursor;
+    FT_Int    count = 0;
+    FT_Byte   c, ender;
+
+
+    if ( cur >= limit ) goto Exit;
+
+    /* check for the beginning of an array. If not, only one number will */
+    /* be read                                                           */
+    c     = *cur;
+    ender = 0;
+
+    if ( c == '[' )
+      ender = ']';
+
+    if ( c == '{' )
+      ender = '}';
+
+    if ( ender )
+      cur++;
+
+    /* now, read the values */
+    for ( ; cur < limit; )
+    {
+      /* skip whitespace in front of data */
+      for (;;)
+      {
+        c = *cur;
+        if ( c != ' ' && c != '\t' )
+          break;
+
+        cur++;
+        if ( cur >= limit )
+          goto Exit;
+      }
+
+      if ( count >= max_values || c == ender )
+        break;
+
+      values[count] = t1_tofixed( &cur, limit, power_ten );
+      count++;
+
+      if ( !ender )
+        break;
+    }
+
+  Exit:
+    *cursor = cur;
+    return count;
+  }
+
+
+#if 0
+
+  static FT_String*
+  t1_tostring( FT_Byte**  cursor,
+               FT_Byte*   limit,
+               FT_Memory  memory )
+  {
+    FT_Byte*    cur = *cursor;
+    FT_PtrDist  len = 0;
+    FT_Int      count;
+    FT_String*  result;
+    FT_Error    error;
+
+
+    /* XXX: some stupid fonts have a `Notice' or `Copyright' string     */
+    /*      that simply doesn't begin with an opening parenthesis, even */
+    /*      though they have a closing one!  E.g. "amuncial.pfb"        */
+    /*                                                                  */
+    /*      We must deal with these ill-fated cases there.  Note that   */
+    /*      these fonts didn't work with the old Type 1 driver as the   */
+    /*      notice/copyright was not recognized as a valid string token */
+    /*      and made the old token parser commit errors.                */
+
+    while ( cur < limit && ( *cur == ' ' || *cur == '\t' ) )
+      cur++;
+    if ( cur + 1 >= limit )
+      return 0;
+
+    if ( *cur == '(' )
+      cur++;  /* skip the opening parenthesis, if there is one */
+
+    *cursor = cur;
+    count   = 0;
+
+    /* then, count its length */
+    for ( ; cur < limit; cur++ )
+    {
+      if ( *cur == '(' )
+        count++;
+
+      else if ( *cur == ')' )
+      {
+        count--;
+        if ( count < 0 )
+          break;
+      }
+    }
+
+    len = cur - *cursor;
+    if ( cur >= limit || FT_ALLOC( result, len + 1 ) )
+      return 0;
+
+    /* now copy the string */
+    FT_MEM_COPY( result, *cursor, len );
+    result[len] = '\0';
+    *cursor = cur;
+    return result;
+  }
+
+#endif /* 0 */
+
+
+  static int
+  t1_tobool( FT_Byte**  cursor,
+             FT_Byte*   limit )
+  {
+    FT_Byte*  cur    = *cursor;
+    FT_Bool   result = 0;
+
+
+    /* return 1 if we find `true', 0 otherwise */
+    if ( cur + 3 < limit &&
+         cur[0] == 't' &&
+         cur[1] == 'r' &&
+         cur[2] == 'u' &&
+         cur[3] == 'e' )
+    {
+      result = 1;
+      cur   += 5;
+    }
+    else if ( cur + 4 < limit &&
+              cur[0] == 'f' &&
+              cur[1] == 'a' &&
+              cur[2] == 'l' &&
+              cur[3] == 's' &&
+              cur[4] == 'e' )
+    {
+      result = 0;
+      cur   += 6;
+    }
+
+    *cursor = cur;
+    return result;
+  }
+
+
+  /* Load a simple field (i.e. non-table) into the current list of objects */
+  FT_LOCAL_DEF( FT_Error )
+  ps_parser_load_field( PS_Parser       parser,
+                        const T1_Field  field,
+                        void**          objects,
+                        FT_UInt         max_objects,
+                        FT_ULong*       pflags )
+  {
+    T1_TokenRec  token;
+    FT_Byte*     cur;
+    FT_Byte*     limit;
+    FT_UInt      count;
+    FT_UInt      idx;
+    FT_Error     error;
+
+
+    ps_parser_to_token( parser, &token );
+    if ( !token.type )
+      goto Fail;
+
+    count = 1;
+    idx   = 0;
+    cur   = token.start;
+    limit = token.limit;
+
+    /* we must detect arrays */
+    if ( field->type == T1_FIELD_TYPE_BBOX )
+    {
+      T1_TokenRec  token2;
+      FT_Byte*     old_cur   = parser->cursor;
+      FT_Byte*     old_limit = parser->limit;
+
+
+      parser->cursor = token.start;
+      parser->limit  = token.limit;
+
+      ps_parser_to_token( parser, &token2 );
+      parser->cursor = old_cur;
+      parser->limit  = old_limit;
+
+      if ( token2.type == T1_TOKEN_TYPE_ARRAY )
+        goto FieldArray;
+    }
+    else if ( token.type == T1_TOKEN_TYPE_ARRAY )
+    {
+    FieldArray:
+      /* if this is an array, and we have no blend, an error occurs */
+      if ( max_objects == 0 )
+        goto Fail;
+
+      count = max_objects;
+      idx = 1;
+    }
+
+    for ( ; count > 0; count--, idx++ )
+    {
+      FT_Byte*    q = (FT_Byte*)objects[idx] + field->offset;
+      FT_Long     val;
+      FT_String*  string;
+
+
+      switch ( field->type )
+      {
+      case T1_FIELD_TYPE_BOOL:
+        val = t1_tobool( &cur, limit );
+        goto Store_Integer;
+
+      case T1_FIELD_TYPE_FIXED:
+        val = t1_tofixed( &cur, limit, 3 );
+        goto Store_Integer;
+
+      case T1_FIELD_TYPE_INTEGER:
+        val = t1_toint( &cur, limit );
+
+      Store_Integer:
+        switch ( field->size )
+        {
+        case 1:
+          *(FT_Byte*)q = (FT_Byte)val;
+          break;
+
+        case 2:
+          *(FT_UShort*)q = (FT_UShort)val;
+          break;
+
+        case 4:
+          *(FT_UInt32*)q = (FT_UInt32)val;
+          break;
+
+        default:                /* for 64-bit systems */
+          *(FT_Long*)q = val;
+        }
+        break;
+
+      case T1_FIELD_TYPE_STRING:
+        {
+          FT_Memory  memory = parser->memory;
+          FT_UInt    len    = (FT_UInt)( limit - cur );
+
+
+          if ( *(FT_String**)q )
+            /* with synthetic fonts, it's possible to find a field twice */
+            break;
+
+          if ( FT_ALLOC( string, len + 1 ) )
+            goto Exit;
+
+          FT_MEM_COPY( string, cur, len );
+          string[len] = 0;
+
+          *(FT_String**)q = string;
+        }
+        break;
+
+      case T1_FIELD_TYPE_BBOX:
+        {
+          FT_Fixed  temp[4];
+          FT_BBox*  bbox = (FT_BBox*)q;
+
+
+          /* we need the '[' and ']' delimiters */
+          token.start--;
+          token.limit++;
+          (void)t1_tofixedarray( &token.start, token.limit, 4, temp, 0 );
+
+          bbox->xMin = FT_RoundFix( temp[0] );
+          bbox->yMin = FT_RoundFix( temp[1] );
+          bbox->xMax = FT_RoundFix( temp[2] );
+          bbox->yMax = FT_RoundFix( temp[3] );
+        }
+        break;
+
+      default:
+        /* an error occured */
+        goto Fail;
+      }
+    }
+
+#if 0  /* obsolete - keep for reference */
+    if ( pflags )
+      *pflags |= 1L << field->flag_bit;
+#else
+    FT_UNUSED( pflags );
+#endif
+
+    error = PSaux_Err_Ok;
+
+  Exit:
+    return error;
+
+  Fail:
+    error = PSaux_Err_Invalid_File_Format;
+    goto Exit;
+  }
+
+
+#define T1_MAX_TABLE_ELEMENTS  32
+
+
+  FT_LOCAL_DEF( FT_Error )
+  ps_parser_load_field_table( PS_Parser       parser,
+                              const T1_Field  field,
+                              void**          objects,
+                              FT_UInt         max_objects,
+                              FT_ULong*       pflags )
+  {
+    T1_TokenRec  elements[T1_MAX_TABLE_ELEMENTS];
+    T1_Token     token;
+    FT_Int       num_elements;
+    FT_Error     error = 0;
+    FT_Byte*     old_cursor;
+    FT_Byte*     old_limit;
+    T1_FieldRec  fieldrec = *(T1_Field)field;
+
+
+#if 1
+    fieldrec.type = T1_FIELD_TYPE_INTEGER;
+    if ( field->type == T1_FIELD_TYPE_FIXED_ARRAY )
+      fieldrec.type = T1_FIELD_TYPE_FIXED;
+#endif
+
+    ps_parser_to_token_array( parser, elements, 32, &num_elements );
+    if ( num_elements < 0 )
+      goto Fail;
+
+    if ( num_elements > T1_MAX_TABLE_ELEMENTS )
+      num_elements = T1_MAX_TABLE_ELEMENTS;
+
+    old_cursor = parser->cursor;
+    old_limit  = parser->limit;
+
+    /* we store the elements count */
+    *(FT_Byte*)( (FT_Byte*)objects[0] + field->count_offset ) =
+      (FT_Byte)num_elements;
+
+    /* we now load each element, adjusting the field.offset on each one */
+    token = elements;
+    for ( ; num_elements > 0; num_elements--, token++ )
+    {
+      parser->cursor = token->start;
+      parser->limit  = token->limit;
+      ps_parser_load_field( parser, &fieldrec, objects, max_objects, 0 );
+      fieldrec.offset += fieldrec.size;
+    }
+
+#if 0  /* obsolete -- keep for reference */
+    if ( pflags )
+      *pflags |= 1L << field->flag_bit;
+#else
+    FT_UNUSED( pflags );
+#endif
+
+    parser->cursor = old_cursor;
+    parser->limit  = old_limit;
+
+  Exit:
+    return error;
+
+  Fail:
+    error = PSaux_Err_Invalid_File_Format;
+    goto Exit;
+  }
+
+
+  FT_LOCAL_DEF( FT_Long )
+  ps_parser_to_int( PS_Parser  parser )
+  {
+    return t1_toint( &parser->cursor, parser->limit );
+  }
+
+
+  FT_LOCAL_DEF( FT_Fixed )
+  ps_parser_to_fixed( PS_Parser  parser,
+                      FT_Int     power_ten )
+  {
+    return t1_tofixed( &parser->cursor, parser->limit, power_ten );
+  }
+
+
+  FT_LOCAL_DEF( FT_Int )
+  ps_parser_to_coord_array( PS_Parser  parser,
+                            FT_Int     max_coords,
+                            FT_Short*  coords )
+  {
+    return t1_tocoordarray( &parser->cursor, parser->limit,
+                            max_coords, coords );
+  }
+
+
+  FT_LOCAL_DEF( FT_Int )
+  ps_parser_to_fixed_array( PS_Parser  parser,
+                            FT_Int     max_values,
+                            FT_Fixed*  values,
+                            FT_Int     power_ten )
+  {
+    return t1_tofixedarray( &parser->cursor, parser->limit,
+                            max_values, values, power_ten );
+  }
+
+
+#if 0
+
+  FT_LOCAL_DEF( FT_String* )
+  T1_ToString( PS_Parser  parser )
+  {
+    return t1_tostring( &parser->cursor, parser->limit, parser->memory );
+  }
+
+
+  FT_LOCAL_DEF( FT_Bool )
+  T1_ToBool( PS_Parser  parser )
+  {
+    return t1_tobool( &parser->cursor, parser->limit );
+  }
+
+#endif /* 0 */
+
+
+  FT_LOCAL_DEF( void )
+  ps_parser_init( PS_Parser  parser,
+                  FT_Byte*   base,
+                  FT_Byte*   limit,
+                  FT_Memory  memory )
+  {
+    parser->error  = 0;
+    parser->base   = base;
+    parser->limit  = limit;
+    parser->cursor = base;
+    parser->memory = memory;
+    parser->funcs  = ps_parser_funcs;
+  }
+
+
+  FT_LOCAL_DEF( void )
+  ps_parser_done( PS_Parser  parser )
+  {
+    FT_UNUSED( parser );
+  }
+
+
+  /*************************************************************************/
+  /*************************************************************************/
+  /*****                                                               *****/
+  /*****                            T1 BUILDER                         *****/
+  /*****                                                               *****/
+  /*************************************************************************/
+  /*************************************************************************/
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Function>                                                            */
+  /*    t1_builder_init                                                    */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    Initializes a given glyph builder.                                 */
+  /*                                                                       */
+  /* <InOut>                                                               */
+  /*    builder :: A pointer to the glyph builder to initialize.           */
+  /*                                                                       */
+  /* <Input>                                                               */
+  /*    face    :: The current face object.                                */
+  /*                                                                       */
+  /*    size    :: The current size object.                                */
+  /*                                                                       */
+  /*    glyph   :: The current glyph object.                               */
+  /*                                                                       */
+  /*    hinting :: Whether hinting should be applied.                      */
+  /*                                                                       */
+  FT_LOCAL_DEF( void )
+  t1_builder_init( T1_Builder    builder,
+                   FT_Face       face,
+                   FT_Size       size,
+                   FT_GlyphSlot  glyph,
+                   FT_Bool       hinting )
+  {
+    builder->path_begun  = 0;
+    builder->load_points = 1;
+
+    builder->face   = face;
+    builder->glyph  = glyph;
+    builder->memory = face->memory;
+
+    if ( glyph )
+    {
+      FT_GlyphLoader  loader = glyph->internal->loader;
+
+
+      builder->loader  = loader;
+      builder->base    = &loader->base.outline;
+      builder->current = &loader->current.outline;
+      FT_GlyphLoader_Rewind( loader );
+
+      builder->hints_globals = size->internal;
+      builder->hints_funcs   = 0;
+
+      if ( hinting )
+        builder->hints_funcs = glyph->internal->glyph_hints;
+    }
+
+    if ( size )
+    {
+      builder->scale_x = size->metrics.x_scale;
+      builder->scale_y = size->metrics.y_scale;
+    }
+
+    builder->pos_x = 0;
+    builder->pos_y = 0;
+
+    builder->left_bearing.x = 0;
+    builder->left_bearing.y = 0;
+    builder->advance.x      = 0;
+    builder->advance.y      = 0;
+
+    builder->funcs = t1_builder_funcs;
+  }
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Function>                                                            */
+  /*    t1_builder_done                                                    */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    Finalizes a given glyph builder.  Its contents can still be used   */
+  /*    after the call, but the function saves important information       */
+  /*    within the corresponding glyph slot.                               */
+  /*                                                                       */
+  /* <Input>                                                               */
+  /*    builder :: A pointer to the glyph builder to finalize.             */
+  /*                                                                       */
+  FT_LOCAL_DEF( void )
+  t1_builder_done( T1_Builder  builder )
+  {
+    FT_GlyphSlot  glyph = builder->glyph;
+
+
+    if ( glyph )
+      glyph->outline = *builder->base;
+  }
+
+
+  /* check that there is enough space for `count' more points */
+  FT_LOCAL_DEF( FT_Error )
+  t1_builder_check_points( T1_Builder  builder,
+                           FT_Int      count )
+  {
+    return FT_GlyphLoader_CheckPoints( builder->loader, count, 0 );
+  }
+
+
+  /* add a new point, do not check space */
+  FT_LOCAL_DEF( void )
+  t1_builder_add_point( T1_Builder  builder,
+                        FT_Pos      x,
+                        FT_Pos      y,
+                        FT_Byte     flag )
+  {
+    FT_Outline*  outline = builder->current;
+
+
+    if ( builder->load_points )
+    {
+      FT_Vector*  point   = outline->points + outline->n_points;
+      FT_Byte*    control = (FT_Byte*)outline->tags + outline->n_points;
+
+
+      if ( builder->shift )
+      {
+        x >>= 16;
+        y >>= 16;
+      }
+      point->x = x;
+      point->y = y;
+      *control = (FT_Byte)( flag ? FT_CURVE_TAG_ON : FT_CURVE_TAG_CUBIC );
+
+      builder->last = *point;
+    }
+    outline->n_points++;
+  }
+
+
+  /* check space for a new on-curve point, then add it */
+  FT_LOCAL_DEF( FT_Error )
+  t1_builder_add_point1( T1_Builder  builder,
+                         FT_Pos      x,
+                         FT_Pos      y )
+  {
+    FT_Error  error;
+
+
+    error = t1_builder_check_points( builder, 1 );
+    if ( !error )
+      t1_builder_add_point( builder, x, y, 1 );
+
+    return error;
+  }
+
+
+  /* check room for a new contour, then add it */
+  FT_LOCAL_DEF( FT_Error )
+  t1_builder_add_contour( T1_Builder  builder )
+  {
+    FT_Outline*  outline = builder->current;
+    FT_Error     error;
+
+
+    if ( !builder->load_points )
+    {
+      outline->n_contours++;
+      return PSaux_Err_Ok;
+    }
+
+    error = FT_GlyphLoader_CheckPoints( builder->loader, 0, 1 );
+    if ( !error )
+    {
+      if ( outline->n_contours > 0 )
+        outline->contours[outline->n_contours - 1] =
+          (short)( outline->n_points - 1 );
+
+      outline->n_contours++;
+    }
+
+    return error;
+  }
+
+
+  /* if a path was begun, add its first on-curve point */
+  FT_LOCAL_DEF( FT_Error )
+  t1_builder_start_point( T1_Builder  builder,
+                          FT_Pos      x,
+                          FT_Pos      y )
+  {
+    FT_Error  error = 0;
+
+
+    /* test whether we are building a new contour */
+    if ( !builder->path_begun )
+    {
+      builder->path_begun = 1;
+      error = t1_builder_add_contour( builder );
+      if ( !error )
+        error = t1_builder_add_point1( builder, x, y );
+    }
+    return error;
+  }
+
+
+  /* close the current contour */
+  FT_LOCAL_DEF( void )
+  t1_builder_close_contour( T1_Builder  builder )
+  {
+    FT_Outline*  outline = builder->current;
+
+
+    /* XXXX: We must not include the last point in the path if it */
+    /*       is located on the first point.                       */
+    if ( outline->n_points > 1 )
+    {
+      FT_Int      first   = 0;
+      FT_Vector*  p1      = outline->points + first;
+      FT_Vector*  p2      = outline->points + outline->n_points - 1;
+      FT_Byte*    control = (FT_Byte*)outline->tags + outline->n_points - 1;
+
+
+      if ( outline->n_contours > 1 )
+      {
+        first = outline->contours[outline->n_contours - 2] + 1;
+        p1    = outline->points + first;
+      }
+
+      /* `delete' last point only if it coincides with the first */
+      /* point and it is not a control point (which can happen). */
+      if ( p1->x == p2->x && p1->y == p2->y )
+        if ( *control == FT_CURVE_TAG_ON )
+          outline->n_points--;
+    }
+
+    if ( outline->n_contours > 0 )
+      outline->contours[outline->n_contours - 1] =
+        (short)( outline->n_points - 1 );
+  }
+
+
+  /*************************************************************************/
+  /*************************************************************************/
+  /*****                                                               *****/
+  /*****                            OTHER                              *****/
+  /*****                                                               *****/
+  /*************************************************************************/
+  /*************************************************************************/
+
+  FT_LOCAL_DEF( void )
+  t1_decrypt( FT_Byte*   buffer,
+              FT_Offset  length,
+              FT_UShort  seed )
+  {
+    while ( length > 0 )
+    {
+      FT_Byte  plain;
+
+
+      plain     = (FT_Byte)( *buffer ^ ( seed >> 8 ) );
+      seed      = (FT_UShort)( ( *buffer + seed ) * 52845U + 22719 );
+      *buffer++ = plain;
+      length--;
+    }
+  }
+
+
+/* END */