kc3-lang/freetype/src/cff/cffgload.h

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• Hash : bc82f1bb
  Author :
  Date : 2002-03-01T02:26:22
  

  * include/freetype/ftconfig.h: changed FT_LOCAL xxxx to FT_LOCAL( xxxx ) everywhere in the source. Sames goes for FT_LOCAL_DEF xxxx translated into FT_LOCAL_DEF( xxxxx )

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• src/cff/cffgload.h

• /***************************************************************************/
  /*                                                                         */
  /*  cffgload.h                                                             */
  /*                                                                         */
  /*    OpenType Glyph Loader (specification).                               */
  /*                                                                         */
  /*  Copyright 1996-2001 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.                                        */
  /*                                                                         */
  /***************************************************************************/
  
  
  #ifndef __CFFGLOAD_H__
  #define __CFFGLOAD_H__
  
  
  #include <ft2build.h>
  #include FT_FREETYPE_H
  #include "cffobjs.h"
  
  
  FT_BEGIN_HEADER
  
  
  #define CFF_MAX_OPERANDS     48
  #define CFF_MAX_SUBRS_CALLS  32
  
  
    /*************************************************************************/
    /*                                                                       */
    /* <Structure>                                                           */
    /*    CFF_Builder                                                        */
    /*                                                                       */
    /* <Description>                                                         */
    /*     A structure used during glyph loading to store its outline.       */
    /*                                                                       */
    /* <Fields>                                                              */
    /*    memory       :: The current memory object.                         */
    /*                                                                       */
    /*    face         :: The current face object.                           */
    /*                                                                       */
    /*    glyph        :: The current glyph slot.                            */
    /*                                                                       */
    /*    current      :: The current glyph outline.                         */
    /*                                                                       */
    /*    base         :: The base glyph outline.                            */
    /*                                                                       */
    /*    max_points   :: maximum points in builder outline                  */
    /*                                                                       */
    /*    max_contours :: Maximal number of contours in builder outline.     */
    /*                                                                       */
    /*    last         :: The last point position.                           */
    /*                                                                       */
    /*    scale_x      :: The horizontal scale (FUnits to sub-pixels).       */
    /*                                                                       */
    /*    scale_y      :: The vertical scale (FUnits to sub-pixels).         */
    /*                                                                       */
    /*    pos_x        :: The horizontal translation (if composite glyph).   */
    /*                                                                       */
    /*    pos_y        :: The vertical translation (if composite glyph).     */
    /*                                                                       */
    /*    left_bearing :: The left side bearing point.                       */
    /*                                                                       */
    /*    advance      :: The horizontal advance vector.                     */
    /*                                                                       */
    /*    bbox         :: Unused.                                            */
    /*                                                                       */
    /*    path_begun   :: A flag which indicates that a new path has begun.  */
    /*                                                                       */
    /*    load_points  :: If this flag is not set, no points are loaded.     */
    /*                                                                       */
    /*    no_recurse   :: Set but not used.                                  */
    /*                                                                       */
    /*    error        :: An error code that is only used to report memory   */
    /*                    allocation problems.                               */
    /*                                                                       */
    /*    metrics_only :: A boolean indicating that we only want to compute  */
    /*                    the metrics of a given glyph, not load all of its  */
    /*                    points.                                            */
    /*                                                                       */
    typedef struct  CFF_Builder_
    {
      FT_Memory         memory;
      TT_Face           face;
      CFF_GlyphSlot     glyph;
      FT_GlyphLoader    loader;
      FT_Outline*       base;
      FT_Outline*       current;
  
      FT_Vector         last;
  
      FT_Fixed          scale_x;
      FT_Fixed          scale_y;
  
      FT_Pos            pos_x;
      FT_Pos            pos_y;
  
      FT_Vector         left_bearing;
      FT_Vector         advance;
  
      FT_BBox           bbox;          /* bounding box */
      FT_Bool           path_begun;
      FT_Bool           load_points;
      FT_Bool           no_recurse;
  
      FT_Error          error;         /* only used for memory errors */
      FT_Bool           metrics_only;
  
      void*             hints_funcs;    /* hinter-specific */
      void*             hints_globals;  /* hinter-specific */
  
    } CFF_Builder;
  
  
    /* execution context charstring zone */
  
    typedef struct  CFF_Decoder_Zone_
    {
      FT_Byte*  base;
      FT_Byte*  limit;
      FT_Byte*  cursor;
  
    } CFF_Decoder_Zone;
  
  
    typedef struct  CFF_Decoder_
    {
      CFF_Builder        builder;
      CFF_Font*          cff;
  
      FT_Fixed           stack[CFF_MAX_OPERANDS + 1];
      FT_Fixed*          top;
  
      CFF_Decoder_Zone   zones[CFF_MAX_SUBRS_CALLS + 1];
      CFF_Decoder_Zone*  zone;
  
      FT_Int             flex_state;
      FT_Int             num_flex_vectors;
      FT_Vector          flex_vectors[7];
  
      FT_Pos             glyph_width;
      FT_Pos             nominal_width;
  
      FT_Bool            read_width;
      FT_Int             num_hints;
      FT_Fixed*          buildchar;
      FT_Int             len_buildchar;
  
      FT_UInt            num_locals;
      FT_UInt            num_globals;
  
      FT_Int             locals_bias;
      FT_Int             globals_bias;
  
      FT_Byte**          locals;
      FT_Byte**          globals;
  
      FT_Byte**          glyph_names;   /* for pure CFF fonts only  */
      FT_UInt            num_glyphs;    /* number of glyphs in font */
  
    } CFF_Decoder;
  
  
    FT_LOCAL( void )
    CFF_Init_Decoder( CFF_Decoder*   decoder,
                      TT_Face        face,
                      CFF_Size       size,
                      CFF_GlyphSlot  slot,
                      FT_Bool        hinting );
  
    FT_LOCAL( void )
    CFF_Prepare_Decoder( CFF_Decoder*  decoder,
                         FT_UInt       glyph_index );
  
  #if 0  /* unused until we support pure CFF fonts */
  
    /* Compute the maximum advance width of a font through quick parsing */
    FT_LOCAL( FT_Error )
    CFF_Compute_Max_Advance( TT_Face  face,
                             FT_Int*  max_advance );
  
  #endif /* 0 */
  
    FT_LOCAL( FT_Error )
    CFF_Parse_CharStrings( CFF_Decoder*  decoder,
                           FT_Byte*      charstring_base,
                           FT_Int        charstring_len );
  
    FT_LOCAL( FT_Error )
    CFF_Load_Glyph( CFF_GlyphSlot  glyph,
                    CFF_Size       size,
                    FT_Int         glyph_index,
                    FT_Int         load_flags );
  
  
  FT_END_HEADER
  
  #endif /* __CFFGLOAD_H__ */
  
  
  /* END */
  

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