thirdparty/freetype-2.3.12/src/pfr/pfrtypes.h

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  pfrtypes.h                                                             */
   4 /*                                                                         */
   5 /*    FreeType PFR data structures (specification only).                   */
   6 /*                                                                         */
   7 /*  Copyright 2002, 2003, 2005, 2007 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 __PFRTYPES_H__
  20 #define __PFRTYPES_H__
  21
  22 #include <ft2build.h>
  23 #include FT_INTERNAL_OBJECTS_H
  24
  25 FT_BEGIN_HEADER
  26
  27   /************************************************************************/
  28
  29   /* the PFR Header structure */
  30   typedef struct  PFR_HeaderRec_
  31   {
  32     FT_UInt32  signature;
  33     FT_UInt    version;
  34     FT_UInt    signature2;
  35     FT_UInt    header_size;
  36
  37     FT_UInt    log_dir_size;
  38     FT_UInt    log_dir_offset;
  39
  40     FT_UInt    log_font_max_size;
  41     FT_UInt32  log_font_section_size;
  42     FT_UInt32  log_font_section_offset;
  43
  44     FT_UInt32  phy_font_max_size;
  45     FT_UInt32  phy_font_section_size;
  46     FT_UInt32  phy_font_section_offset;
  47
  48     FT_UInt    gps_max_size;
  49     FT_UInt32  gps_section_size;
  50     FT_UInt32  gps_section_offset;
  51
  52     FT_UInt    max_blue_values;
  53     FT_UInt    max_x_orus;
  54     FT_UInt    max_y_orus;
  55
  56     FT_UInt    phy_font_max_size_high;
  57     FT_UInt    color_flags;
  58
  59     FT_UInt32  bct_max_size;
  60     FT_UInt32  bct_set_max_size;
  61     FT_UInt32  phy_bct_set_max_size;
  62
  63     FT_UInt    num_phy_fonts;
  64     FT_UInt    max_vert_stem_snap;
  65     FT_UInt    max_horz_stem_snap;
  66     FT_UInt    max_chars;
  67
  68   } PFR_HeaderRec, *PFR_Header;
  69
  70
  71   /* used in `color_flags' field of the PFR_Header */
  72   typedef enum  PFR_HeaderFlags_
  73   {
  74     PFR_FLAG_BLACK_PIXEL   = 1,
  75     PFR_FLAG_INVERT_BITMAP = 2
  76
  77   } PFR_HeaderFlags;
  78
  79
  80   /************************************************************************/
  81
  82   typedef struct  PFR_LogFontRec_
  83   {
  84     FT_UInt32  size;
  85     FT_UInt32  offset;
  86
  87     FT_Int32   matrix[4];
  88     FT_UInt    stroke_flags;
  89     FT_Int     stroke_thickness;
  90     FT_Int     bold_thickness;
  91     FT_Int32   miter_limit;
  92
  93     FT_UInt32  phys_size;
  94     FT_UInt32  phys_offset;
  95
  96   } PFR_LogFontRec, *PFR_LogFont;
  97
  98
  99   typedef enum  PFR_LogFlags_
 100   {
 101     PFR_LOG_EXTRA_ITEMS  = 0x40,
 102     PFR_LOG_2BYTE_BOLD   = 0x20,
 103     PFR_LOG_BOLD         = 0x10,
 104     PFR_LOG_2BYTE_STROKE = 8,
 105     PFR_LOG_STROKE       = 4,
 106     PFR_LINE_JOIN_MASK   = 3
 107
 108   } PFR_LogFlags;
 109
 110
 111   typedef enum  PFR_LineJoinFlags_
 112   {
 113     PFR_LINE_JOIN_MITER = 0,
 114     PFR_LINE_JOIN_ROUND = 1,
 115     PFR_LINE_JOIN_BEVEL = 2
 116
 117   } PFR_LineJoinFlags;
 118
 119
 120   /************************************************************************/
 121
 122   typedef enum  PFR_BitmapFlags_
 123   {
 124     PFR_BITMAP_3BYTE_OFFSET   = 4,
 125     PFR_BITMAP_2BYTE_SIZE     = 2,
 126     PFR_BITMAP_2BYTE_CHARCODE = 1
 127
 128   } PFR_BitmapFlags;
 129
 130
 131   typedef struct  PFR_BitmapCharRec_
 132   {
 133     FT_UInt    char_code;
 134     FT_UInt    gps_size;
 135     FT_UInt32  gps_offset;
 136
 137   } PFR_BitmapCharRec, *PFR_BitmapChar;
 138
 139
 140   typedef enum  PFR_StrikeFlags_
 141   {
 142     PFR_STRIKE_2BYTE_COUNT  = 0x10,
 143     PFR_STRIKE_3BYTE_OFFSET = 0x08,
 144     PFR_STRIKE_3BYTE_SIZE   = 0x04,
 145     PFR_STRIKE_2BYTE_YPPM   = 0x02,
 146     PFR_STRIKE_2BYTE_XPPM   = 0x01
 147
 148   } PFR_StrikeFlags;
 149
 150
 151   typedef struct  PFR_StrikeRec_
 152   {
 153     FT_UInt         x_ppm;
 154     FT_UInt         y_ppm;
 155     FT_UInt         flags;
 156
 157     FT_UInt32       gps_size;
 158     FT_UInt32       gps_offset;
 159
 160     FT_UInt32       bct_size;
 161     FT_UInt32       bct_offset;
 162
 163     /* optional */
 164     FT_UInt         num_bitmaps;
 165     PFR_BitmapChar  bitmaps;
 166
 167   } PFR_StrikeRec, *PFR_Strike;
 168
 169
 170   /************************************************************************/
 171
 172   typedef struct  PFR_CharRec_
 173   {
 174     FT_UInt    char_code;
 175     FT_Int     advance;
 176     FT_UInt    gps_size;
 177     FT_UInt32  gps_offset;
 178
 179   } PFR_CharRec, *PFR_Char;
 180
 181
 182   /************************************************************************/
 183
 184   typedef struct  PFR_DimensionRec_
 185   {
 186     FT_UInt  standard;
 187     FT_UInt  num_stem_snaps;
 188     FT_Int*  stem_snaps;
 189
 190   } PFR_DimensionRec, *PFR_Dimension;
 191
 192   /************************************************************************/
 193
 194   typedef struct PFR_KernItemRec_*  PFR_KernItem;
 195
 196   typedef struct  PFR_KernItemRec_
 197   {
 198     PFR_KernItem  next;
 199     FT_Byte       pair_count;
 200     FT_Byte       flags;
 201     FT_Short      base_adj;
 202     FT_UInt       pair_size;
 203     FT_Offset     offset;
 204     FT_UInt32     pair1;
 205     FT_UInt32     pair2;
 206
 207   } PFR_KernItemRec;
 208
 209
 210 #define PFR_KERN_INDEX( g1, g2 )                          \
 211           ( ( (FT_UInt32)(g1) << 16 ) | (FT_UInt16)(g2) )
 212
 213 #define PFR_KERN_PAIR_INDEX( pair )                        \
 214           PFR_KERN_INDEX( (pair)->glyph1, (pair)->glyph2 )
 215
 216 #define PFR_NEXT_KPAIR( p )  ( p += 2,                              \
 217                                ( (FT_UInt32)p[-2] << 16 ) | p[-1] )
 218
 219
 220   /************************************************************************/
 221
 222   typedef struct  PFR_PhyFontRec_
 223   {
 224     FT_Memory          memory;
 225     FT_UInt32          offset;
 226
 227     FT_UInt            font_ref_number;
 228     FT_UInt            outline_resolution;
 229     FT_UInt            metrics_resolution;
 230     FT_BBox            bbox;
 231     FT_UInt            flags;
 232     FT_UInt            standard_advance;
 233
 234     FT_Int             ascent;   /* optional, bbox.yMax if not present */
 235     FT_Int             descent;  /* optional, bbox.yMin if not present */
 236     FT_Int             leading;  /* optional, 0 if not present         */
 237
 238     PFR_DimensionRec   horizontal;
 239     PFR_DimensionRec   vertical;
 240
 241     FT_String*         font_id;
 242     FT_String*         family_name;
 243     FT_String*         style_name;
 244
 245     FT_UInt            num_strikes;
 246     FT_UInt            max_strikes;
 247     PFR_StrikeRec*     strikes;
 248
 249     FT_UInt            num_blue_values;
 250     FT_Int            *blue_values;
 251     FT_UInt            blue_fuzz;
 252     FT_UInt            blue_scale;
 253
 254     FT_UInt            num_chars;
 255     FT_Offset          chars_offset;
 256     PFR_Char           chars;
 257
 258     FT_UInt            num_kern_pairs;
 259     PFR_KernItem       kern_items;
 260     PFR_KernItem*      kern_items_tail;
 261
 262     /* not part of the spec, but used during load */
 263     FT_Long            bct_offset;
 264     FT_Byte*           cursor;
 265
 266   } PFR_PhyFontRec, *PFR_PhyFont;
 267
 268
 269   typedef enum  PFR_PhyFlags_
 270   {
 271     PFR_PHY_EXTRA_ITEMS      = 0x80,
 272     PFR_PHY_3BYTE_GPS_OFFSET = 0x20,
 273     PFR_PHY_2BYTE_GPS_SIZE   = 0x10,
 274     PFR_PHY_ASCII_CODE       = 0x08,
 275     PFR_PHY_PROPORTIONAL     = 0x04,
 276     PFR_PHY_2BYTE_CHARCODE   = 0x02,
 277     PFR_PHY_VERTICAL         = 0x01
 278
 279   } PFR_PhyFlags;
 280
 281
 282   typedef enum PFR_KernFlags_
 283   {
 284     PFR_KERN_2BYTE_CHAR  = 0x01,
 285     PFR_KERN_2BYTE_ADJ   = 0x02
 286
 287   } PFR_KernFlags;
 288
 289
 290   /************************************************************************/
 291
 292   typedef enum  PFR_GlyphFlags_
 293   {
 294     PFR_GLYPH_IS_COMPOUND   = 0x80,
 295     PFR_GLYPH_EXTRA_ITEMS   = 0x08,
 296     PFR_GLYPH_1BYTE_XYCOUNT = 0x04,
 297     PFR_GLYPH_XCOUNT        = 0x02,
 298     PFR_GLYPH_YCOUNT        = 0x01
 299
 300   } PFR_GlyphFlags;
 301
 302
 303   /* controlled coordinate */
 304   typedef struct  PFR_CoordRec_
 305   {
 306     FT_UInt  org;
 307     FT_UInt  cur;
 308
 309   } PFR_CoordRec, *PFR_Coord;
 310
 311
 312   typedef struct  PFR_SubGlyphRec_
 313   {
 314     FT_Fixed   x_scale;
 315     FT_Fixed   y_scale;
 316     FT_Int     x_delta;
 317     FT_Int     y_delta;
 318     FT_UInt32  gps_offset;
 319     FT_UInt    gps_size;
 320
 321   } PFR_SubGlyphRec, *PFR_SubGlyph;
 322
 323
 324   typedef enum  PFR_SubgGlyphFlags_
 325   {
 326     PFR_SUBGLYPH_3BYTE_OFFSET = 0x80,
 327     PFR_SUBGLYPH_2BYTE_SIZE   = 0x40,
 328     PFR_SUBGLYPH_YSCALE       = 0x20,
 329     PFR_SUBGLYPH_XSCALE       = 0x10
 330
 331   } PFR_SubGlyphFlags;
 332
 333
 334   typedef struct  PFR_GlyphRec_
 335   {
 336     FT_Byte           format;
 337
 338 #if 0
 339     FT_UInt           num_x_control;
 340     FT_UInt           num_y_control;
 341 #endif
 342     FT_UInt           max_xy_control;
 343     FT_Pos*           x_control;
 344     FT_Pos*           y_control;
 345
 346
 347     FT_UInt           num_subs;
 348     FT_UInt           max_subs;
 349     PFR_SubGlyphRec*  subs;
 350
 351     FT_GlyphLoader    loader;
 352     FT_Bool           path_begun;
 353
 354   } PFR_GlyphRec, *PFR_Glyph;
 355
 356
 357 FT_END_HEADER
 358
 359 #endif /* __PFRTYPES_H__ */
 360
 361
 362 /* END */