type1cid.c

ucgui的矢量字库支持包,可以象windows一样使用truetype的字库了

                *p == '\f' ||
                *p == '\0' )
      {
        p++;
        continue;
      }
      else if ( *p == '>' )
      {
        val  = 0;
        done = 1;
      }
      else
      {
        error = CID_Err_Syntax_Error;
        goto Exit;
      }

      if ( upper_nibble )
        *d = (FT_Byte)( val << 4 );
      else
      {
        *d = (FT_Byte)( *d + val );
        d++;
      }

      upper_nibble = (FT_Byte)( 1 - upper_nibble );

      if ( done )
        break;

      p++;
    }

    error = CID_Err_Ok;

  Exit:
    return error;
  }


  FT_LOCAL_DEF( FT_Error )
  cid_face_open( CID_Face  face,
                 FT_Int    face_index )
  {
    CID_Loader   loader;
    CID_Parser*  parser;
    FT_Memory    memory = face->root.memory;
    FT_Error     error;


    t1_init_loader( &loader, face );

    parser = &loader.parser;
    error = cid_parser_new( parser, face->root.stream, face->root.memory,
                            (PSAux_Service)face->psaux );
    if ( error )
      goto Exit;

    error = cid_parse_dict( face, &loader,
                            parser->postscript,
                            parser->postscript_len );
    if ( error )
      goto Exit;

    if ( face_index < 0 )
      goto Exit;

    if ( FT_NEW( face->cid_stream ) )
      goto Exit;

    if ( parser->binary_length )
    {
      /* we must convert the data section from hexadecimal to binary */
      if ( FT_ALLOC( face->binary_data, parser->binary_length )         ||
           cid_hex_to_binary( face->binary_data, parser->binary_length,
                              parser->data_offset, face )               )
        goto Exit;

      FT_Stream_OpenMemory( face->cid_stream,
                            face->binary_data, parser->binary_length );
      face->cid.data_offset = 0;
    }
    else
    {
      *face->cid_stream     = *face->root.stream;
      face->cid.data_offset = loader.parser.data_offset;
    }

    error = cid_read_subrs( face );

  Exit:
    t1_done_loader( &loader );
    return error;
  }


/* END */

/***************************************************************************/
/*                                                                         */
/*  cidobjs.c                                                              */
/*                                                                         */
/*    CID objects manager (body).                                          */
/*                                                                         */
/*  Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006 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_DEBUG_H
#include FT_INTERNAL_STREAM_H

#include "cidgload.h"
#include "cidload.h"

#include FT_SERVICE_POSTSCRIPT_CMAPS_H
#include FT_INTERNAL_POSTSCRIPT_AUX_H
#include FT_INTERNAL_POSTSCRIPT_HINTS_H

#include "ciderrs.h"


  /*************************************************************************/
  /*                                                                       */
  /* The macro FT_COMPONENT is used in trace mode.  It is an implicit      */
  /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log  */
  /* messages during execution.                                            */
  /*                                                                       */
#undef  FT_COMPONENT
#define FT_COMPONENT  trace_cidobjs


  /*************************************************************************/
  /*                                                                       */
  /*                            SLOT  FUNCTIONS                            */
  /*                                                                       */
  /*************************************************************************/

  FT_LOCAL_DEF( void )
  cid_slot_done( FT_GlyphSlot  slot )
  {
    slot->internal->glyph_hints = 0;
  }


  FT_LOCAL_DEF( FT_Error )
  cid_slot_init( FT_GlyphSlot  slot )
  {
    CID_Face          face;
    PSHinter_Service  pshinter;


    face     = (CID_Face)slot->face;
    pshinter = (PSHinter_Service)face->pshinter;

    if ( pshinter )
    {
      FT_Module  module;


      module = FT_Get_Module( slot->face->driver->root.library,
                              "pshinter" );
      if ( module )
      {
        T1_Hints_Funcs  funcs;


        funcs = pshinter->get_t1_funcs( module );
        slot->internal->glyph_hints = (void*)funcs;
      }
    }

    return 0;
  }


  /*************************************************************************/
  /*                                                                       */
  /*                           SIZE  FUNCTIONS                             */
  /*                                                                       */
  /*************************************************************************/


  static PSH_Globals_Funcs
  cid_size_get_globals_funcs( CID_Size  size )
  {
    CID_Face          face     = (CID_Face)size->root.face;
    PSHinter_Service  pshinter = (PSHinter_Service)face->pshinter;
    FT_Module         module;


    module = FT_Get_Module( size->root.face->driver->root.library,
                            "pshinter" );
    return ( module && pshinter && pshinter->get_globals_funcs )
           ? pshinter->get_globals_funcs( module )
           : 0;
  }


  FT_LOCAL_DEF( void )
  cid_size_done( FT_Size  cidsize )         /* CID_Size */
  {
    CID_Size  size = (CID_Size)cidsize;


    if ( cidsize->internal )
    {
      PSH_Globals_Funcs  funcs;


      funcs = cid_size_get_globals_funcs( size );
      if ( funcs )
        funcs->destroy( (PSH_Globals)cidsize->internal );

      cidsize->internal = 0;
    }
  }


  FT_LOCAL_DEF( FT_Error )
  cid_size_init( FT_Size  cidsize )     /* CID_Size */
  {
    CID_Size           size  = (CID_Size)cidsize;
    FT_Error           error = 0;
    PSH_Globals_Funcs  funcs = cid_size_get_globals_funcs( size );


    if ( funcs )
    {
      PSH_Globals   globals;
      CID_Face      face = (CID_Face)cidsize->face;
      CID_FaceDict  dict = face->cid.font_dicts + face->root.face_index;
      PS_Private    priv = &dict->private_dict;


      error = funcs->create( cidsize->face->memory, priv, &globals );
      if ( !error )
        cidsize->internal = (FT_Size_Internal)(void*)globals;
    }

    return error;
  }


  FT_LOCAL( FT_Error )
  cid_size_request( FT_Size          size,
                    FT_Size_Request  req )
  {
    PSH_Globals_Funcs  funcs;


    FT_Request_Metrics( size->face, req );

    funcs = cid_size_get_globals_funcs( (CID_Size)size );

    if ( funcs )
      funcs->set_scale( (PSH_Globals)size->internal,
                        size->metrics.x_scale,
                        size->metrics.y_scale,
                        0, 0 );

    return CID_Err_Ok;
  }


  /*************************************************************************/
  /*                                                                       */
  /*                           FACE  FUNCTIONS                             */
  /*                                                                       */
  /*************************************************************************/

  /*************************************************************************/
  /*                                                                       */
  /* <Function>                                                            */
  /*    cid_face_done                                                      */
  /*                                                                       */
  /* <Description>                                                         */
  /*    Finalizes a given face object.                                     */
  /*                                                                       */
  /* <Input>                                                               */
  /*    face :: A pointer to the face object to destroy.                   */
  /*                                                                       */
  FT_LOCAL_DEF( void )
  cid_face_done( FT_Face  cidface )         /* CID_Face */
  {
    CID_Face   face = (CID_Face)cidface;
    FT_Memory  memory;


    if ( face )
    {
      CID_FaceInfo  cid  = &face->cid;
      PS_FontInfo   info = &cid->font_info;


      memory = cidface->memory;

      /* release subrs */
      if ( face->subrs )
      {
        FT_Int  n;


        for ( n = 0; n < cid->num_dicts; n++ )
        {
          CID_Subrs  subr = face->subrs + n;


          if ( subr->code )
          {
            FT_FREE( subr->code[0] );
            FT_FREE( subr->code );
          }
        }

        FT_FREE( face->subrs );
      }

      /* release FontInfo strings */
      FT_FREE( info->version );
      FT_FREE( info->notice );
      FT_FREE( info->full_name );
      FT_FREE( info->family_name );
      FT_FREE( info->weight );

      /* release font dictionaries */
      FT_FREE( cid->font_dicts );
      cid->num_dicts = 0;

      /* release other strings */
      FT_FREE( cid->cid_font_name );
      FT_FREE( cid->registry );
      FT_FREE( cid->ordering );

      cidface->family_name = 0;
      cidface->style_name  = 0;

      FT_FREE( face->binary_data );
      FT_FREE( face->cid_stream );
    }
  }


  /*************************************************************************/
  /*                                                                       */
  /* <Function>                                                            */
  /*    cid_face_init                                                      */
  /*                                                                       */
  /* <Description>                                                         */
  /*    Initializes a given CID face object.                               */
  /*                                                                       */
  /* <Input>                                                               */
  /*    stream     :: The source font stream.                              */
  /*                                                                       */
  /*    face_index :: The index of the font face in the resource.          */
  /*                                                                       */
  /*    num_params :: Number of additional generic parameters.  Ignored.   */
  /*                                                                       */
  /*    params     :: Additional generic parameters.  Ignored.             */
  /*                                                                       */
  /* <InOut>                                                               */
  /*    face       :: The newly built face object.                         */
  /*                                                                       */
  /* <Return>                                                              */
  /*    FreeType error code.  0 means success.                             */
  /*                                                                       */
  FT_LOCAL_DEF( FT_Error )
  cid_face_init( FT_Stream      stream,
                 FT_Face        cidface,        /* CID_Face */
                 FT_Int         face_index,
                 FT_Int         num_params,
                 FT_Parameter*  params )
  {
    CID_Face          face = (CID_Face)cidface;
    FT_Error          error;
    PSAux_Service     psaux;
    PSHinter_Service  pshinter;

    FT_UNUSED( num_params );