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kc3-lang/freetype/src/cff/cf2font.h

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  • Author : Werner Lemberg
    Date : 2013-06-25 23:28:02
    Hash : 89ca1fd6
    Message : [cff] Add `darkening-parameters' property. * include/freetype/ftcffdrv.h: Document it. * src/cff/cffdrivr.c (cff_property_set, cff_property_get): Handle `darkening-parameters' property. * src/cff/cf2font.h (CF2_FontRec): Add `darkenParams' array. * src/cff/cf2font.c (cf2_computeDarkening): Add `darkenParams' argument and use it. Update all callers. * src/cff/cf2ft.c (cf2_decoder_parse_charstrings): Copy `darken_params' values. * src/cff/cffobjs.h (CFF_DriverRec): Add `darken_params' array. * src/cff/cffobjs.c (cff_driver_init): Set default values for `darken_params'.

  • src/cff/cf2font.h
  • /***************************************************************************/
    /*                                                                         */
    /*  cf2font.h                                                              */
    /*                                                                         */
    /*    Adobe's code for font instances (specification).                     */
    /*                                                                         */
    /*  Copyright 2007-2013 Adobe Systems Incorporated.                        */
    /*                                                                         */
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    /*  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     */
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    /*  the Work or a contribution incorporated within the Work constitutes    */
    /*  direct or contributory patent infringement, then any patent licenses   */
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    /*                                                                         */
    /*  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 __CF2FONT_H__
    #define __CF2FONT_H__
    
    
    #include "cf2ft.h"
    #include "cf2blues.h"
    
    
    FT_BEGIN_HEADER
    
    
    #define CF2_OPERAND_STACK_SIZE  48
    #define CF2_MAX_SUBR            10 /* maximum subroutine nesting */
    
    
      /* typedef is in `cf2glue.h' */
      struct  CF2_FontRec_
      {
        FT_Memory  memory;
        FT_Error   error;     /* shared error for this instance */
    
        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              */
    
        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 */
        CFF_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_LOCAL( FT_Error )
      cf2_getGlyphOutline( CF2_Font           font,
                           CF2_Buffer         charstring,
                           const CF2_Matrix*  transform,
                           CF2_F16Dot16*      glyphWidth );
    
    
    FT_END_HEADER
    
    
    #endif /* __CF2FONT_H__ */
    
    
    /* END */