cffgload.h

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Hash : 68e9f927
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Date : 2002-09-27T11:09:23

* src/sfnt/ttpost.c (load_post_names, tt_face_free_ps_names, tt_face_get_ps_name): Replace switch statement with if clauses to make it more portable. * src/cff/cffobjs.c (cff_face_init): Ditto. * include/freetype/ftmodule.h (FT_Module_Class): Use `FT_Long' for `module_size'. * include/freetype/ftrender.h (FT_Glyph_Class_): Use `FT_Long' for `glyph_size'. * src/base/ftobjs.c (FT_Render_Glyph): Change second parameter to `FT_Render_Mode'. (FT_Render_Glyph_Internal): Change third parameter to `FT_Render_Mode'. * src/base/ftglyph.c (FT_Glyph_To_Bitmap): Change second parameter to `FT_Render_Mode'. * src/raster/ftrend1.c (ft_raster1_render): Change third parameter to `FT_Render_Mode'. * src/smooth/ftsmooth.c (ft_smooth_render, ft_smooth_render_lcd, ft_smooth_render_lcd_v): Ditto. (ft_smooth_render_generic): Change third and fifth parameter to `FT_Render_Mode'. * include/freetype/freetype.h, include/freetype/internal/ftobjs.h, include/freetype/ftglyph.h: Updated. * src/cff/cffdrivr.c (Load_Glyph), src/pcf/pcfdriver.c (PCF_Glyph_Load), src/pfr/pfrobjs.c (pfr_slot_load), src/winfonts/winfnt.c (FNT_Load_Glyph), src/t42/t42objs.c (T42_GlyphSlot_Load), src/bdf/bdfdrivr.c (BDF_Glyph_Load): Change fourth parameter to `FT_Int32'. * src/pfr/pfrobjs.c (pfr_face_init): Add two missing parameters and declare them as unused. * src/cid/cidparse.h (CID_Parser): Use FT_Long for `postscript_len'. * src/psnames/psnames.h (PS_Unicode_Value_Func): Change return value to FT_UInt32. * src/psnames/psmodule.c (ps_unicode_value, ps_build_unicode_table): Updated accordingly. * src/cff/cffdrivr.c (Get_Kerning): Use FT_Long for `middle'. (cff_get_glyph_name): Use cast for result of ft_strlen. * src/cff/cffparse.c (cff_parse_real): User cast for assigning `exp'. * src/cff/cffload.c (cff_index_get_pointers): Use FT_ULong for some local variables. (cff_charset_load, cff_encoding_load): Use casts to FT_UInt for some switch statements. (cff_font_load): Use cast in call to CFF_Load_FD_Select. * src/cff/cffobjs.c (cff_size_init): Use more casts. (cff_face_init): Use FT_Int32 for `flags'. * src/cff/cffgload.c (cff_operator_seac): Use cast for assigning `adx' and `ady'. (cff_decoder_parse_charstrings): Use FT_ULong for third parameter. Use more casts. * src/cff/cffcmap.c (cff_cmap_unicode_init): Use cast for `count'. * src/cid/cidload.c (cid_read_subrs): Use FT_ULong for `len'. * src/cid/cidgload.c (cid_load_glyph): Add missing cast for `cid_get_offset'. * src/psaux/t1decode.c (t1_decoder_parse_charstrings) <18>: Use cast for `num_points'. (t1_decoder_init): Use cast for assigning `decoder->num_glyphs'. * src/base/ftdebug.c (ft_debug_init): Use FT_Int. * include/freetype/internal/ftdriver.h (FT_Slot_LoadFunc): Use `FT_Int32' for fourth parameter. * src/base/ftobjs.c (open_face): Use cast for calling clazz->init_face. * src/raster/ftraster.c (Set_High_Precision): Use `1' instead of `1L'. (Finalize_Profile_Table, Line_Up, ft_black_init): Use casts. * src/raster/ftrend1.c (ft_raster1_render): Ditto. * src/sfnt/sfnt_dir_check: Compare `magic' with unsigned long constant. * builds/amiga/include/freetype/config/ftmodule.h: Updated.

src/cff/cffgload.h

/***************************************************************************/
/*                                                                         */
/*  cffgload.h                                                             */
/*                                                                         */
/*    OpenType Glyph Loader (specification).                               */
/*                                                                         */
/*  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.                                        */
/*                                                                         */
/***************************************************************************/


#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.                           */
  /*                                                                       */
  /*    loader        :: The current glyph loader.                         */
  /*                                                                       */
  /*    base          :: The base glyph outline.                           */
  /*                                                                       */
  /*    current       :: The current glyph 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.                                           */
  /*                                                                       */
  /*    hints_funcs   :: Auxiliary pointer for hinting.                    */
  /*                                                                       */
  /*    hints_globals :: Auxiliary pointer for hinting.                    */
  /*                                                                       */
  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;

    FT_UInt32       hint_flags;

    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 */

    FT_Render_Mode     hint_mode;

  } CFF_Decoder;


  FT_LOCAL( void )
  cff_decoder_init( CFF_Decoder*    decoder,
                    TT_Face         face,
                    CFF_Size        size,
                    CFF_GlyphSlot   slot,
                    FT_Bool         hinting,
                    FT_Render_Mode  hint_mode );

  FT_LOCAL( void )
  cff_decoder_prepare( 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_decoder_parse_charstrings( CFF_Decoder*  decoder,
                                 FT_Byte*      charstring_base,
                                 FT_ULong      charstring_len );

  FT_LOCAL( FT_Error )
  cff_slot_load( CFF_GlyphSlot  glyph,
                 CFF_Size       size,
                 FT_Int         glyph_index,
                 FT_Int32       load_flags );


FT_END_HEADER

#endif /* __CFFGLOAD_H__ */


/* END */

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