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      1 /***************************************************************************/
      2 /*                                                                         */
      3 /*  cf2font.h                                                              */
      4 /*                                                                         */
      5 /*    Adobe's code for font instances (specification).                     */
      6 /*                                                                         */
      7 /*  Copyright 2007-2013 Adobe Systems Incorporated.                        */
      8 /*                                                                         */
      9 /*  This software, and all works of authorship, whether in source or       */
     10 /*  object code form as indicated by the copyright notice(s) included      */
     11 /*  herein (collectively, the "Work") is made available, and may only be   */
     12 /*  used, modified, and distributed under the FreeType Project License,    */
     13 /*  LICENSE.TXT.  Additionally, subject to the terms and conditions of the */
     14 /*  FreeType Project License, each contributor to the Work hereby grants   */
     15 /*  to any individual or legal entity exercising permissions granted by    */
     16 /*  the FreeType Project License and this section (hereafter, "You" or     */
     17 /*  "Your") a perpetual, worldwide, non-exclusive, no-charge,              */
     18 /*  royalty-free, irrevocable (except as stated in this section) patent    */
     19 /*  license to make, have made, use, offer to sell, sell, import, and      */
     20 /*  otherwise transfer the Work, where such license applies only to those  */
     21 /*  patent claims licensable by such contributor that are necessarily      */
     22 /*  infringed by their contribution(s) alone or by combination of their    */
     23 /*  contribution(s) with the Work to which such contribution(s) was        */
     24 /*  submitted.  If You institute patent litigation against any entity      */
     25 /*  (including a cross-claim or counterclaim in a lawsuit) alleging that   */
     26 /*  the Work or a contribution incorporated within the Work constitutes    */
     27 /*  direct or contributory patent infringement, then any patent licenses   */
     28 /*  granted to You under this License for that Work shall terminate as of  */
     29 /*  the date such litigation is filed.                                     */
     30 /*                                                                         */
     31 /*  By using, modifying, or distributing the Work you indicate that you    */
     32 /*  have read and understood the terms and conditions of the               */
     33 /*  FreeType Project License as well as those provided in this section,    */
     34 /*  and you accept them fully.                                             */
     35 /*                                                                         */
     36 /***************************************************************************/
     37 
     38 
     39 #ifndef __CF2FONT_H__
     40 #define __CF2FONT_H__
     41 
     42 
     43 #include "cf2ft.h"
     44 #include "cf2blues.h"
     45 
     46 
     47 FT_BEGIN_HEADER
     48 
     49 
     50 #define CF2_OPERAND_STACK_SIZE  48
     51 #define CF2_MAX_SUBR            10 /* maximum subroutine nesting */
     52 
     53 
     54   /* typedef is in `cf2glue.h' */
     55   struct  CF2_FontRec_
     56   {
     57     FT_Memory  memory;
     58     FT_Error   error;     /* shared error for this instance */
     59 
     60     CF2_RenderingFlags  renderingFlags;
     61 
     62     /* variables that depend on Transform:  */
     63     /* the following have zero translation; */
     64     /* inner * outer = font * original      */
     65 
     66     CF2_Matrix  currentTransform;  /* original client matrix           */
     67     CF2_Matrix  innerTransform;    /* for hinting; erect, scaled       */
     68     CF2_Matrix  outerTransform;    /* post hinting; includes rotations */
     69     CF2_Fixed   ppem;              /* transform-dependent              */
     70 
     71     CF2_Int  unitsPerEm;
     72 
     73     CF2_Fixed  syntheticEmboldeningAmountX;   /* character space units */
     74     CF2_Fixed  syntheticEmboldeningAmountY;   /* character space units */
     75 
     76     /* FreeType related members */
     77     CF2_OutlineRec  outline;       /* freetype glyph outline functions */
     78     CFF_Decoder*    decoder;
     79     CFF_SubFont     lastSubfont;              /* FreeType parsed data; */
     80                                               /* top font or subfont   */
     81 
     82     /* these flags can vary from one call to the next */
     83     FT_Bool  hinted;
     84     FT_Bool  darkened;       /* true if stemDarkened or synthetic bold */
     85                              /* i.e. darkenX != 0 || darkenY != 0      */
     86     FT_Bool  stemDarkened;
     87 
     88     /* variables that depend on both FontDict and Transform */
     89     CF2_Fixed  stdVW;     /* in character space; depends on dict entry */
     90     CF2_Fixed  stdHW;     /* in character space; depends on dict entry */
     91     CF2_Fixed  darkenX;                    /* character space units    */
     92     CF2_Fixed  darkenY;                    /* depends on transform     */
     93                                            /* and private dict (StdVW) */
     94     FT_Bool  reverseWinding;               /* darken assuming          */
     95                                            /* counterclockwise winding */
     96 
     97     CF2_BluesRec  blues;                         /* computed zone data */
     98   };
     99 
    100 
    101   FT_LOCAL( FT_Error )
    102   cf2_getGlyphOutline( CF2_Font           font,
    103                        CF2_Buffer         charstring,
    104                        const CF2_Matrix*  transform,
    105                        CF2_F16Dot16*      glyphWidth );
    106 
    107 
    108 FT_END_HEADER
    109 
    110 
    111 #endif /* __CF2FONT_H__ */
    112 
    113 
    114 /* END */
    115