src/freetype/type1/t1objs.h

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  t1objs.h                                                               */
   4 /*                                                                         */
   5 /*    Type 1 objects manager (specification).                              */
   6 /*                                                                         */
   7 /*  Copyright 1996-2000 by                                                 */
   8 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
   9 /*                                                                         */
  10 /*  This file is part of the FreeType project, and may only be used,       */
  11 /*  modified, and distributed under the terms of the FreeType project      */
  12 /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
  13 /*  this file you indicate that you have read the license and              */
  14 /*  understand and accept it fully.                                        */
  15 /*                                                                         */
  16 /***************************************************************************/
  17
  18
  19 #ifndef T1OBJS_H
  20 #define T1OBJS_H
  21
  22 #include <freetype/config/ftconfig.h>
  23 #include <freetype/internal/ftobjs.h>
  24 #include <freetype/internal/t1types.h>
  25
  26 #include <freetype/internal/t1errors.h>
  27
  28 #ifdef __cplusplus
  29   extern "C" {
  30 #endif
  31
  32
  33   /* The following structures must be defined by the hinter */
  34   typedef struct T1_Size_Hints_   T1_Size_Hints;
  35   typedef struct T1_Glyph_Hints_  T1_Glyph_Hints;
  36
  37
  38   /*************************************************************************/
  39   /*                                                                       */
  40   /* <Type>                                                                */
  41   /*    T1_Driver                                                          */
  42   /*                                                                       */
  43   /* <Description>                                                         */
  44   /*    A handle to a Type 1 driver object.                                */
  45   /*                                                                       */
  46   typedef struct T1_DriverRec_*  T1_Driver;
  47
  48
  49   /*************************************************************************/
  50   /*                                                                       */
  51   /* <Type>                                                                */
  52   /*    T1_Size                                                            */
  53   /*                                                                       */
  54   /* <Description>                                                         */
  55   /*    A handle to a Type 1 size object.                                  */
  56   /*                                                                       */
  57   typedef struct T1_SizeRec_*  T1_Size;
  58
  59
  60   /*************************************************************************/
  61   /*                                                                       */
  62   /* <Type>                                                                */
  63   /*    T1_GlyphSlot                                                       */
  64   /*                                                                       */
  65   /* <Description>                                                         */
  66   /*    A handle to a Type 1 glyph slot object.                            */
  67   /*                                                                       */
  68   typedef struct T1_GlyphSlotRec_*  T1_GlyphSlot;
  69
  70
  71   /*************************************************************************/
  72   /*                                                                       */
  73   /* <Type>                                                                */
  74   /*    T1_CharMap                                                         */
  75   /*                                                                       */
  76   /* <Description>                                                         */
  77   /*    A handle to a Type 1 character mapping object.                     */
  78   /*                                                                       */
  79   /* <Note>                                                                */
  80   /*    The Type 1 format doesn't use a charmap but an encoding table.     */
  81   /*    The driver is responsible for making up charmap objects            */
  82   /*    corresponding to these tables.                                     */
  83   /*                                                                       */
  84   typedef struct T1_CharMapRec_*  T1_CharMap;
  85
  86
  87   /*************************************************************************/
  88   /*                                                                       */
  89   /*                  HERE BEGINS THE TYPE1 SPECIFIC STUFF                 */
  90   /*                                                                       */
  91   /*************************************************************************/
  92
  93
  94   /*************************************************************************/
  95   /*                                                                       */
  96   /* <Type>                                                                */
  97   /*    T1_SizeRec                                                         */
  98   /*                                                                       */
  99   /* <Description>                                                         */
 100   /*    Type 1 size record.                                                */
 101   /*                                                                       */
 102   typedef struct  T1_SizeRec_
 103   {
 104     FT_SizeRec      root;
 105     FT_Bool         valid;
 106     T1_Size_Hints*  hints;  /* defined in the hinter. This allows */
 107                             /* us to experiment with different    */
 108                             /* hinting schemes without having to  */
 109                             /* change `t1objs' each time.         */
 110   } T1_SizeRec;
 111
 112
 113   /*************************************************************************/
 114   /*                                                                       */
 115   /* <Type>                                                                */
 116   /*    T1_GlyphSlotRec                                                    */
 117   /*                                                                       */
 118   /* <Description>                                                         */
 119   /*    Type 1 glyph slot record.                                          */
 120   /*                                                                       */
 121   typedef struct  T1_GlyphSlotRec_
 122   {
 123     FT_GlyphSlotRec  root;
 124
 125     FT_Bool          hint;
 126     FT_Bool          scaled;
 127
 128     FT_Int           max_points;
 129     FT_Int           max_contours;
 130
 131     FT_Fixed         x_scale;
 132     FT_Fixed         y_scale;
 133
 134     T1_Glyph_Hints*  hints;  /* defined in the hinter */
 135
 136   } T1_GlyphSlotRec;
 137
 138
 139   LOCAL_DEF
 140   FT_Error  T1_Init_Face( FT_Stream      stream,
 141                           T1_Face        face,
 142                           FT_Int         face_index,
 143                           FT_Int         num_params,
 144                           FT_Parameter*  params );
 145
 146   LOCAL_DEF
 147   void  T1_Done_Face( T1_Face  face );
 148
 149   LOCAL_DEF
 150   FT_Error  T1_Init_Size( T1_Size  size );
 151
 152   LOCAL_DEF
 153   void  T1_Done_Size( T1_Size  size );
 154
 155   LOCAL_DEF
 156   FT_Error  T1_Reset_Size( T1_Size  size );
 157
 158   LOCAL_DEF
 159   FT_Error  T1_Init_GlyphSlot( T1_GlyphSlot  slot );
 160
 161   LOCAL_DEF
 162   void  T1_Done_GlyphSlot( T1_GlyphSlot  slot );
 163
 164
 165 #ifdef __cplusplus
 166   }
 167 #endif
 168
 169 #endif /* T1OBJS_H */
 170
 171
 172 /* END */