src/tabytecode.h

   1 /* tabytecode.h */
   2
   3 /* written 2011 by Werner Lemberg <wl@gnu.org> */
   4
   5 #ifndef __TABYTECODE_H__
   6 #define __TABYTECODE_H__
   7
   8 #include "ta.h"
   9
  10
  11 #define SVTCA_y      0x00 /* set freedom and projection vectors to y axis */
  12 #define SVTCA_x      0x01 /* set freedom and projection vectors to x axis */
  13 #define SPVTCA_y     0x02 /* set projection vector to y axis */
  14 #define SPVTCA_x     0x03 /* set projection vector to x axis */
  15 #define SFVTCA_y     0x04 /* set freedom vector to y axis */
  16 #define SFVTCA_x     0x05 /* set freedom vector to x axis */
  17 #define SPVTL_para   0x06 /* set projection vector parallel to line */
  18 #define SPVTL_perp   0x07 /* set projection vector perpendicular to line */
  19 #define SFVTL_para   0x08 /* set freedom vector parallel to line */
  20 #define SFVTL_perp   0x09 /* set freedom vector perpendicular to line */
  21 #define SPVFS        0x0A /* set projection vector from stack */
  22 #define SFVFS        0x0B /* set freedom vector from stack */
  23 #define GPV          0x0C /* get projection vector */
  24 #define GFV          0x0D /* get freedom vector */
  25 #define SFVTPV       0x0E /* set freedom vector to projection vector */
  26 #define ISECT        0x0F /* move point to intersection of lines */
  27
  28 #define SRP0         0x10 /* set reference point 0 */
  29 #define SRP1         0x11 /* set reference point 1 */
  30 #define SRP2         0x12 /* set reference point 2 */
  31 #define SZP0         0x13 /* set zone pointer 0 */
  32 #define SZP1         0x14 /* set zone pointer 1 */
  33 #define SZP2         0x15 /* set zone pointer 2 */
  34 #define SZPS         0x16 /* set zone pointers */
  35 #define SLOOP        0x17 /* set loop counter */
  36 #define RTG          0x18 /* round to grid */
  37 #define RTHG         0x19 /* round to half grid */
  38 #define SMD          0x1A /* set `minimum_distance' */
  39 #define ELSE         0x1B /* begin of `else' clause */
  40 #define JMPR         0x1C /* jump relative */
  41 #define SCVTCI       0x1D /* set `control_value_cut_in' */
  42 #define SSWCI        0x1E /* set `single_width_cut_in' */
  43 #define SSW          0x1F /* set `single_width_value' */
  44
  45 #define DUP          0x20 /* duplicate top stack element */
  46 #define POP          0x21 /* pop top stack element */
  47 #define CLEAR        0x22 /* clear entire stack */
  48 #define SWAP         0x23 /* swap top two elements of stack */
  49 #define DEPTH        0x24 /* get depth of stack */
  50 #define CINDEX       0x25 /* copy indexed element to top of stack */
  51 #define MINDEX       0x26 /* move indexed element to top of stack */
  52 #define ALIGNPTS     0x27 /* align points */
  53 #define INS_28       0x28 /* undefined */
  54 #define UTP          0x29 /* untouch point */
  55 #define LOOPCALL     0x2A /* loop and call function */
  56 #define CALL         0x2B /* call function */
  57 #define FDEF         0x2C /* define function */
  58 #define ENDF         0x2D /* end of function */
  59 #define MDAP_noround 0x2E /* move direct absolute point without rounding */
  60 #define MDAP_round   0x2F /* move direct absolute point with rounding */
  61
  62 #define IUP_y        0x30 /* interpolate untouched points along y axis */
  63 #define IUP_x        0x31 /* interpolate untouched points along x axis */
  64 #define SHP_rp2      0x32 /* shift point using rp2 */
  65 #define SHP_rp1      0x33 /* shift point using rp1 */
  66 #define SHC_rp2      0x34 /* shift contour using rp2 */
  67 #define SHC_rp1      0x35 /* shift contour using rp1 */
  68 #define SHZ_rp2      0x36 /* shift zone using rp2 */
  69 #define SHZ_rp1      0x37 /* shift zone using rp1 */
  70 #define SHPIX        0x38 /* shift point by pixel amount */
  71 #define IP           0x39 /* interpolate point */
  72 #define MSIRP_norp0  0x3A /* move stack indirect relative point, don't set rp0 */
  73 #define MSIRP_rp0    0x3B /* move stack indirect relative point, set rp0 */
  74 #define ALIGNRP      0x3C /* align relative point */
  75 #define RTDG         0x3D /* round to double grid */
  76 #define MIAP_noround 0x3E /* move indirect absolute point without rounding */
  77 #define MIAP_round   0x3F /* move indirect absolute point with rounding */
  78
  79 #define NPUSHB       0x40 /* push `n' bytes */
  80 #define NPUSHW       0x41 /* push `n' words */
  81 #define WS           0x42 /* write to storage area */
  82 #define RS           0x43 /* read from storage area */
  83 #define WCVTP        0x44 /* write to CVT in pixel units */
  84 #define RCVT         0x45 /* read from CVT */
  85 #define GC_cur       0x46 /* get (projected) coordinate, current position */
  86 #define GC_orig      0x47 /* get (projected) coordinate, original position */
  87 #define SCFS         0x48 /* set coordinate from stack */
  88 #define MD_cur       0x49 /* measure distance, current positions */
  89 #define MD_orig      0x4A /* measure distance, original positions */
  90 #define MPPEM        0x4B /* measure PPEM */
  91 #define MPS          0x4C /* measure point size */
  92 #define FLIPON       0x4D /* set `auto_flip' to TRUE */
  93 #define FLIPOFF      0x4E /* set `auto_flip' to FALSE */
  94 #define DEBUG        0x4F /* ignored */
  95
  96 #define LT           0x50 /* lower than */
  97 #define LTEQ         0x51 /* lower than or equal */
  98 #define GT           0x52 /* greater than */
  99 #define GTEQ         0x53 /* greater than or equal */
 100 #define EQ           0x54 /* equal */
 101 #define NEQ          0x55 /* not equal */
 102 #define ODD          0x56 /* TRUE if odd */
 103 #define EVEN         0x57 /* TRUE if even */
 104 #define IF           0x58 /* start of `if' clause */
 105 #define EIF          0x59 /* end of `if' or `else' clause */
 106 #define AND          0x5A /* logical AND */
 107 #define OR           0x5B /* logical OR */
 108 #define NOT          0x5C /* logical NOT */
 109 #define DELTAP1      0x5D /* delta point exception 1 */
 110 #define SDB          0x5E /* set `delta_base' */
 111 #define SDS          0x5F /* set `delta_shift' */
 112
 113 #define ADD          0x60 /* addition */
 114 #define SUB          0x61 /* subtraction */
 115 #define DIV          0x62 /* division */
 116 #define MUL          0x63 /* multiplication */
 117 #define ABS          0x64 /* absolute value */
 118 #define NEG          0x65 /* negation */
 119 #define FLOOR        0x66 /* floor operation */
 120 #define CEILING      0x67 /* ceiling operation */
 121 #define ROUND_gray   0x68 /* round value with gray compensation */
 122 #define ROUND_black  0x69 /* round value with black compensation */
 123 #define ROUND_white  0x6A /* round value with white compensation */
 124 #define ROUND_3      0x6B /* undefined */
 125 #define NROUND_gray  0x6C /* apply gray compensation */
 126 #define NROUND_black 0x6D /* apply black compensation */
 127 #define NROUND_white 0x6E /* apply white compensation */
 128 #define NROUND_3     0x6F /* undefined */
 129
 130 #define WCVTF        0x70 /* write to CVT in font units */
 131 #define DELTAP2      0x71 /* delta point exception 2 */
 132 #define DELTAP3      0x72 /* delta point exception 3 */
 133 #define DELTAC1      0x73 /* delta cvt exception 1 */
 134 #define DELTAC2      0x74 /* delta cvt exception 2 */
 135 #define DELTAC3      0x75 /* delta cvt exception 3 */
 136 #define SROUND       0x76 /* super round  */
 137 #define S45Round     0x77 /* super round at 45 degrees */
 138 #define JROT         0x78 /* jump relative on TRUE */
 139 #define JROF         0x79 /* jump relative on FALSE */
 140 #define ROFF         0x7A /* turn off rounding */
 141 #define INS_7B       0x7B /* undefined */
 142 #define RUTG         0x7C /* round up to grid */
 143 #define RDTG         0x7D /* round down to grid */
 144 #define SANGW        0x7E /* ignored, obsolete */
 145 #define AA           0x7F /* ignored, obsolete */
 146
 147 #define FLIPPT       0x80 /* flip point on-curve to off-curve and vice versa */
 148 #define FLIPRGON     0x81 /* flip range of points to be on-curve */
 149 #define FlIPRGOFF    0x82 /* flip range of points to be off-curve */
 150 #define INS_83       0x83 /* undefined */
 151 #define INS_84       0x84 /* undefined */
 152 #define SCANCTRL     0x85 /* scan conversion control */
 153 #define SDPVTL_para  0x86 /* set dual projection vector parallel to line */
 154 #define SDPVTL_perp  0x87 /* set dual projection vector perpendicular to line */
 155 #define GETINFO      0x88 /* get information about font scaler and current glyph */
 156 #define IDEF         0x89 /* define instruction */
 157 #define ROLL         0x8A /* roll top three stack elements */
 158 #define MAX          0x8B /* maximum */
 159 #define MIN          0x8C /* minimum */
 160 #define SCANTYPE     0x8D /* set scan conversion rules */
 161 #define INSTCTRL     0x8E /* set instruction control state */
 162 #define INS_8F       0x8F /* undefined */
 163
 164 #define INS_90       0x90 /* undefined */
 165 #define INS_91       0x91
 166 #define INS_92       0x92
 167 #define INS_93       0x93
 168 #define INS_94       0x94
 169 #define INS_95       0x95
 170 #define INS_96       0x96
 171 #define INS_97       0x97
 172 #define INS_98       0x98
 173 #define INS_99       0x99
 174 #define INS_9A       0x9A
 175 #define INS_9B       0x9B
 176 #define INS_9C       0x9C
 177 #define INS_9D       0x9D
 178 #define INS_9E       0x9E
 179 #define INS_9F       0x9F
 180
 181 #define INS_A0       0xA0 /* undefined */
 182 #define INS_A1       0xA1
 183 #define INS_A2       0xA2
 184 #define INS_A3       0xA3
 185 #define INS_A4       0xA4
 186 #define INS_A5       0xA5
 187 #define INS_A6       0xA6
 188 #define INS_A7       0xA7
 189 #define INS_A8       0xA8
 190 #define INS_9A       0x9A
 191 #define INS_AA       0xAA
 192 #define INS_AB       0xAB
 193 #define INS_AC       0xAC
 194 #define INS_AD       0xAD
 195 #define INS_AE       0xAE
 196 #define INS_AF       0xAF
 197
 198 #define PUSHB_1      0xB0 /* push 1 byte */
 199 #define PUSHB_2      0xB1 /* push 2 bytes */
 200 #define PUSHB_3      0xB2 /* push 3 bytes */
 201 #define PUSHB_4      0xB3 /* push 4 bytes */
 202 #define PUSHB_5      0xB4 /* push 5 bytes */
 203 #define PUSHB_6      0xB5 /* push 6 bytes */
 204 #define PUSHB_7      0xB6 /* push 7 bytes */
 205 #define PUSHB_8      0xB7 /* push 8 bytes */
 206 #define PUSHW_1      0xB8 /* push 1 word */
 207 #define PUSHW_2      0xB9 /* push 2 words */
 208 #define PUSHW_3      0xBA /* push 3 words */
 209 #define PUSHW_4      0xBB /* push 4 words */
 210 #define PUSHW_5      0xBC /* push 5 words */
 211 #define PUSHW_6      0xBD /* push 6 words */
 212 #define PUSHW_7      0xBE /* push 7 words */
 213 #define PUSHW_8      0xBF /* push 8 words */
 214
 215 #define MDRP_norp0_nokeep_noround_gray  0xC0 /* move direct relative point */
 216 #define MDRP_norp0_nokeep_noround_black 0xC1
 217 #define MDRP_norp0_nokeep_noround_white 0xC2
 218 #define MDRP_norp0_nokeep_noround_3     0xC3 /* undefined */
 219 #define MDRP_norp0_nokeep_round_gray    0xC4
 220 #define MDRP_norp0_nokeep_round_black   0xC5
 221 #define MDRP_norp0_nokeep_round_white   0xC6
 222 #define MDRP_norp0_nokeep_round_3       0xC7
 223 #define MDRP_norp0_keep_noround_gray    0xC8
 224 #define MDRP_norp0_keep_noround_black   0xC9
 225 #define MDRP_norp0_keep_noround_white   0xCA
 226 #define MDRP_norp0_keep_noround_3       0xCB
 227 #define MDRP_norp0_keep_round_gray      0xCC
 228 #define MDRP_norp0_keep_round_black     0xCD
 229 #define MDRP_norp0_keep_round_white     0xCE
 230 #define MDRP_norp0_keep_round_3         0xCF
 231
 232 #define MDRP_rp0_nokeep_noround_gray    0xD0
 233 #define MDRP_rp0_nokeep_noround_black   0xD1
 234 #define MDRP_rp0_nokeep_noround_white   0xD2
 235 #define MDRP_rp0_nokeep_noround_3       0xD3
 236 #define MDRP_rp0_nokeep_round_gray      0xD4
 237 #define MDRP_rp0_nokeep_round_black     0xD5
 238 #define MDRP_rp0_nokeep_round_white     0xD6
 239 #define MDRP_rp0_nokeep_round_3         0xD7
 240 #define MDRP_rp0_keep_noround_gray      0xD8
 241 #define MDRP_rp0_keep_noround_black     0xD9
 242 #define MDRP_rp0_keep_noround_white     0xDA
 243 #define MDRP_rp0_keep_noround_3         0xDB
 244 #define MDRP_rp0_keep_round_gray        0xDC
 245 #define MDRP_rp0_keep_round_black       0xDD
 246 #define MDRP_rp0_keep_round_white       0xDE
 247 #define MDRP_rp0_keep_round_3           0xDF
 248
 249 #define MIRP_norp0_nokeep_noround_gray  0xE0 /* move indirect relative point */
 250 #define MIRP_norp0_nokeep_noround_black 0xE1
 251 #define MIRP_norp0_nokeep_noround_white 0xE2
 252 #define MIRP_norp0_nokeep_noround_3     0xE3 /* undefined */
 253 #define MIRP_norp0_nokeep_round_gray    0xE4
 254 #define MIRP_norp0_nokeep_round_black   0xE5
 255 #define MIRP_norp0_nokeep_round_white   0xE6
 256 #define MIRP_norp0_nokeep_round_3       0xE7
 257 #define MIRP_norp0_keep_noround_gray    0xE8
 258 #define MIRP_norp0_keep_noround_black   0xE9
 259 #define MIRP_norp0_keep_noround_white   0xEA
 260 #define MIRP_norp0_keep_noround_3       0xEB
 261 #define MIRP_norp0_keep_round_gray      0xEC
 262 #define MIRP_norp0_keep_round_black     0xED
 263 #define MIRP_norp0_keep_round_white     0xEE
 264 #define MIRP_norp0_keep_round_3         0xEF
 265
 266 #define MIRP_rp0_nokeep_noround_gray    0xF0
 267 #define MIRP_rp0_nokeep_noround_black   0xF1
 268 #define MIRP_rp0_nokeep_noround_white   0xF2
 269 #define MIRP_rp0_nokeep_noround_3       0xF3
 270 #define MIRP_rp0_nokeep_round_gray      0xF4
 271 #define MIRP_rp0_nokeep_round_black     0xF5
 272 #define MIRP_rp0_nokeep_round_white     0xF6
 273 #define MIRP_rp0_nokeep_round_3         0xF7
 274 #define MIRP_rp0_keep_noround_gray      0xF8
 275 #define MIRP_rp0_keep_noround_black     0xF9
 276 #define MIRP_rp0_keep_noround_white     0xFA
 277 #define MIRP_rp0_keep_noround_3         0xFB
 278 #define MIRP_rp0_keep_round_gray        0xFC
 279 #define MIRP_rp0_keep_round_black       0xFD
 280 #define MIRP_rp0_keep_round_white       0xFE
 281 #define MIRP_rp0_keep_round_3           0xFF
 282
 283
 284 /* the value of this macro must be increased */
 285 /* if a new bytecode function gets added */
 286 #define NUM_FDEFS 5
 287
 288
 289 FT_Error
 290 TA_sfnt_build_cvt_table(SFNT* sfnt,
 291                         FONT* font);
 292
 293 FT_Error
 294 TA_sfnt_build_fpgm_table(SFNT* sfnt,
 295                          FONT* font);
 296
 297 FT_Error
 298 TA_sfnt_build_prep_table(SFNT* sfnt,
 299                          FONT* font);
 300
 301 FT_Error
 302 TA_sfnt_build_glyf_hints(SFNT* sfnt,
 303                          FONT* font);
 304
 305 #endif /* __TABYTECODE_H__ */
 306
 307 /* end of tabytecode.h */