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/****************************************************************************
 *
 * 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 FT_SERVICE_CFF_TABLE_LOAD_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) */

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