text: /****************************************************************************
   *
   * psfont.h
   *
   *   Adobe's code for font instances (specification).
   *
   * Copyright 2007-2013 Adobe Systems Incorporated.
   *
   * This software, and all works of authorship, whether in source or
   * object code form as indicated by the copyright notice(s) included
   * herein (collectively, the "Work") is made available, and may only be
   * used, modified, and distributed under the FreeType Project License,
   * LICENSE.TXT.  Additionally, subject to the terms and conditions of the
   * FreeType Project License, each contributor to the Work hereby grants
   * to any individual or legal entity exercising permissions granted by
   * the FreeType Project License and this section (hereafter, "You" or
   * "Your") a perpetual, worldwide, non-exclusive, no-charge,
   * royalty-free, irrevocable (except as stated in this section) patent
   * license to make, have made, use, offer to sell, sell, import, and
   * otherwise transfer the Work, where such license applies only to those
   * patent claims licensable by such contributor that are necessarily
   * infringed by their contribution(s) alone or by combination of their
   * contribution(s) with the Work to which such contribution(s) was
   * submitted.  If You institute patent litigation against any entity
   * (including a cross-claim or counterclaim in a lawsuit) alleging that
   * the Work or a contribution incorporated within the Work constitutes
   * direct or contributory patent infringement, then any patent licenses
   * granted to You under this License for that Work shall terminate as of
   * the date such litigation is filed.
   *
   * By using, modifying, or distributing the Work you indicate that you
   * have read and understood the terms and conditions of the
   * FreeType Project License as well as those provided in this section,
   * and you accept them fully.
   *
   */
  
  
  #ifndef PSFONT_H_
  #define PSFONT_H_
  
  
  #include <freetype/internal/services/svcfftl.h>
  
  #include "psft.h"
  #include "psblues.h"
  
  
  FT_BEGIN_HEADER
  
  
  #define CF2_OPERAND_STACK_SIZE  48
  #define CF2_MAX_SUBR            16 /* maximum subroutine nesting;         */
                                     /* only 10 are allowed but there exist */
                                     /* fonts like `HiraKakuProN-W3.ttf'    */
                                     /* (Hiragino Kaku Gothic ProN W3;      */
                                     /* 8.2d6e1; 2014-12-19) that exceed    */
                                     /* this limit                          */
  #define CF2_STORAGE_SIZE        32
  
  
    /* typedef is in `cf2glue.h' */
    struct  CF2_FontRec_
    {
      FT_Memory  memory;
      FT_Error   error;     /* shared error for this instance */
  
      FT_Bool             isT1;
      FT_Bool             isCFF2;
      CF2_RenderingFlags  renderingFlags;
  
      /* variables that depend on Transform:  */
      /* the following have zero translation; */
      /* inner * outer = font * original      */
  
      CF2_Matrix  currentTransform;  /* original client matrix           */
      CF2_Matrix  innerTransform;    /* for hinting; erect, scaled       */
      CF2_Matrix  outerTransform;    /* post hinting; includes rotations */
      CF2_Fixed   ppem;              /* transform-dependent              */
  
      /* variation data */
      CFF_BlendRec  blend;            /* cached charstring blend vector  */
      CF2_UInt      vsindex;          /* current vsindex                 */
      CF2_UInt      lenNDV;           /* current length NDV or zero      */
      FT_Fixed*     NDV;              /* ptr to current NDV or NULL      */
  
      CF2_Int  unitsPerEm;
  
      CF2_Fixed  syntheticEmboldeningAmountX;   /* character space units */
      CF2_Fixed  syntheticEmboldeningAmountY;   /* character space units */
  
      /* FreeType related members */
      CF2_OutlineRec  outline;       /* freetype glyph outline functions */
      PS_Decoder*     decoder;
      CFF_SubFont     lastSubfont;              /* FreeType parsed data; */
                                                /* top font or subfont   */
  
      /* these flags can vary from one call to the next */
      FT_Bool  hinted;
      FT_Bool  darkened;       /* true if stemDarkened or synthetic bold */
                               /* i.e. darkenX != 0 || darkenY != 0      */
      FT_Bool  stemDarkened;
  
      FT_Int  darkenParams[8];              /* 1000 unit character space */
  
      /* variables that depend on both FontDict and Transform */
      CF2_Fixed  stdVW;     /* in character space; depends on dict entry */
      CF2_Fixed  stdHW;     /* in character space; depends on dict entry */
      CF2_Fixed  darkenX;                    /* character space units    */
      CF2_Fixed  darkenY;                    /* depends on transform     */
                                             /* and private dict (StdVW) */
      FT_Bool  reverseWinding;               /* darken assuming          */
                                             /* counterclockwise winding */
  
      CF2_BluesRec  blues;                         /* computed zone data */
  
      FT_Service_CFFLoad  cffload;           /* pointer to cff functions */
    };
  
  
    FT_LOCAL( FT_Error )
    cf2_getGlyphOutline( CF2_Font           font,
                         CF2_Buffer         charstring,
                         const CF2_Matrix*  transform,
                         CF2_F16Dot16*      glyphWidth );
  
  
  FT_END_HEADER
  
  
  #endif /* PSFONT_H_ */
  
  
  /* END */
  