1  /****************************************************************************
       2   *
       3   * psglue.h
       4   *
       5   *   Adobe's code for shared stuff (specification only).
       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 PSGLUE_H_
      40  #define PSGLUE_H_
      41  
      42  
      43  /* common includes for other modules */
      44  #include "pserror.h"
      45  #include "psfixed.h"
      46  #include "psarrst.h"
      47  #include "psread.h"
      48  
      49  
      50  FT_BEGIN_HEADER
      51  
      52  
      53    /* rendering parameters */
      54  
      55    /* apply hints to rendered glyphs */
      56  #define CF2_FlagsHinted    1
      57    /* for testing */
      58  #define CF2_FlagsDarkened  2
      59  
      60    /* type for holding the flags */
      61    typedef CF2_Int  CF2_RenderingFlags;
      62  
      63  
      64    /* elements of a glyph outline */
      65    typedef enum  CF2_PathOp_
      66    {
      67      CF2_PathOpMoveTo = 1,     /* change the current point */
      68      CF2_PathOpLineTo = 2,     /* line                     */
      69      CF2_PathOpQuadTo = 3,     /* quadratic curve          */
      70      CF2_PathOpCubeTo = 4      /* cubic curve              */
      71  
      72    } CF2_PathOp;
      73  
      74  
      75    /* a matrix of fixed-point values */
      76    typedef struct  CF2_Matrix_
      77    {
      78      CF2_F16Dot16  a;
      79      CF2_F16Dot16  b;
      80      CF2_F16Dot16  c;
      81      CF2_F16Dot16  d;
      82      CF2_F16Dot16  tx;
      83      CF2_F16Dot16  ty;
      84  
      85    } CF2_Matrix;
      86  
      87  
      88    /* these typedefs are needed by more than one header file */
      89    /* and gcc compiler doesn't allow redefinition            */
      90    typedef struct CF2_FontRec_  CF2_FontRec, *CF2_Font;
      91    typedef struct CF2_HintRec_  CF2_HintRec, *CF2_Hint;
      92  
      93  
      94    /* A common structure for all callback parameters.                       */
      95    /*                                                                       */
      96    /* Some members may be unused.  For example, `pt0' is not used for       */
      97    /* `moveTo' and `pt3' is not used for `quadTo'.  The initial point `pt0' */
      98    /* is included for each path element for generality; curve conversions   */
      99    /* need it.  The `op' parameter allows one function to handle multiple   */
     100    /* element types.                                                        */
     101  
     102    typedef struct  CF2_CallbackParamsRec_
     103    {
     104      FT_Vector  pt0;
     105      FT_Vector  pt1;
     106      FT_Vector  pt2;
     107      FT_Vector  pt3;
     108  
     109      CF2_Int  op;
     110  
     111    } CF2_CallbackParamsRec, *CF2_CallbackParams;
     112  
     113  
     114    /* forward reference */
     115    typedef struct CF2_OutlineCallbacksRec_  CF2_OutlineCallbacksRec,
     116                                             *CF2_OutlineCallbacks;
     117  
     118    /* callback function pointers */
     119    typedef void
     120    (*CF2_Callback_Type)( CF2_OutlineCallbacks      callbacks,
     121                          const CF2_CallbackParams  params );
     122  
     123  
     124    struct  CF2_OutlineCallbacksRec_
     125    {
     126      CF2_Callback_Type  moveTo;
     127      CF2_Callback_Type  lineTo;
     128      CF2_Callback_Type  quadTo;
     129      CF2_Callback_Type  cubeTo;
     130  
     131      CF2_Int  windingMomentum;    /* for winding order detection */
     132  
     133      FT_Memory  memory;
     134      FT_Error*  error;
     135    };
     136  
     137  
     138  FT_END_HEADER
     139  
     140  
     141  #endif /* PSGLUE_H_ */
     142  
     143  
     144  /* END */