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/* tabytecode.h */
/*
* Copyright (C) 2011-2016 by Werner Lemberg.
*
* This file is part of the ttfautohint library, and may only be used,
* modified, and distributed under the terms given in `COPYING'. By
* continuing to use, modify, or distribute this file you indicate that you
* have read `COPYING' and understand and accept it fully.
*
* The file `COPYING' mentioned in the previous paragraph is distributed
* with the ttfautohint library.
*/
#ifndef TABYTECODE_H_
#define TABYTECODE_H_
/* symbolic names for bytecode instruction codes */
#define SVTCA_y 0x00 /* set freedom and projection vectors to y axis */
#define SVTCA_x 0x01 /* set freedom and projection vectors to x axis */
#define SPVTCA_y 0x02 /* set projection vector to y axis */
#define SPVTCA_x 0x03 /* set projection vector to x axis */
#define SFVTCA_y 0x04 /* set freedom vector to y axis */
#define SFVTCA_x 0x05 /* set freedom vector to x axis */
#define SPVTL_para 0x06 /* set projection vector parallel to line */
#define SPVTL_perp 0x07 /* set projection vector perpendicular to line */
#define SFVTL_para 0x08 /* set freedom vector parallel to line */
#define SFVTL_perp 0x09 /* set freedom vector perpendicular to line */
#define SPVFS 0x0A /* set projection vector from stack */
#define SFVFS 0x0B /* set freedom vector from stack */
#define GPV 0x0C /* get projection vector */
#define GFV 0x0D /* get freedom vector */
#define SFVTPV 0x0E /* set freedom vector to projection vector */
#define ISECT 0x0F /* move point to intersection of lines */
#define SRP0 0x10 /* set reference point 0 */
#define SRP1 0x11 /* set reference point 1 */
#define SRP2 0x12 /* set reference point 2 */
#define SZP0 0x13 /* set zone pointer 0 */
#define SZP1 0x14 /* set zone pointer 1 */
#define SZP2 0x15 /* set zone pointer 2 */
#define SZPS 0x16 /* set zone pointers */
#define SLOOP 0x17 /* set loop counter */
#define RTG 0x18 /* round to grid */
#define RTHG 0x19 /* round to half grid */
#define SMD 0x1A /* set `minimum_distance' */
#define ELSE 0x1B /* begin of `else' clause */
#define JMPR 0x1C /* jump relative */
#define SCVTCI 0x1D /* set `control_value_cut_in' */
#define SSWCI 0x1E /* set `single_width_cut_in' */
#define SSW 0x1F /* set `single_width_value' */
#define DUP 0x20 /* duplicate top stack element */
#define POP 0x21 /* pop top stack element */
#define CLEAR 0x22 /* clear entire stack */
#define SWAP 0x23 /* swap top two elements of stack */
#define DEPTH 0x24 /* get depth of stack */
#define CINDEX 0x25 /* copy indexed element to top of stack */
#define MINDEX 0x26 /* move indexed element to top of stack */
#define ALIGNPTS 0x27 /* align points */
#define INS_28 0x28 /* undefined */
#define UTP 0x29 /* untouch point */
#define LOOPCALL 0x2A /* loop and call function */
#define CALL 0x2B /* call function */
#define FDEF 0x2C /* define function */
#define ENDF 0x2D /* end of function */
#define MDAP_noround 0x2E /* move direct absolute point without rounding */
#define MDAP_round 0x2F /* move direct absolute point with rounding */
#define IUP_y 0x30 /* interpolate untouched points along y axis */
#define IUP_x 0x31 /* interpolate untouched points along x axis */
#define SHP_rp2 0x32 /* shift point using rp2 */
#define SHP_rp1 0x33 /* shift point using rp1 */
#define SHC_rp2 0x34 /* shift contour using rp2 */
#define SHC_rp1 0x35 /* shift contour using rp1 */
#define SHZ_rp2 0x36 /* shift zone using rp2 */
#define SHZ_rp1 0x37 /* shift zone using rp1 */
#define SHPIX 0x38 /* shift point by pixel amount */
#define IP 0x39 /* interpolate point */
#define MSIRP_norp0 0x3A /* move stack indirect relative point, don't set rp0 */
#define MSIRP_rp0 0x3B /* move stack indirect relative point, set rp0 */
#define ALIGNRP 0x3C /* align relative point */
#define RTDG 0x3D /* round to double grid */
#define MIAP_noround 0x3E /* move indirect absolute point without rounding */
#define MIAP_round 0x3F /* move indirect absolute point with rounding */
#define NPUSHB 0x40 /* push `n' bytes */
#define NPUSHW 0x41 /* push `n' words */
#define WS 0x42 /* write to storage area */
#define RS 0x43 /* read from storage area */
#define WCVTP 0x44 /* write to CVT in pixel units */
#define RCVT 0x45 /* read from CVT */
#define GC_cur 0x46 /* get (projected) coordinate, current position */
#define GC_orig 0x47 /* get (projected) coordinate, original position */
#define SCFS 0x48 /* set coordinate from stack */
#define MD_cur 0x49 /* measure distance, current positions */
#define MD_orig 0x4A /* measure distance, original positions */
#define MPPEM 0x4B /* measure PPEM */
#define MPS 0x4C /* measure point size */
#define FLIPON 0x4D /* set `auto_flip' to TRUE */
#define FLIPOFF 0x4E /* set `auto_flip' to FALSE */
#define DEBUG 0x4F /* ignored */
#define LT 0x50 /* lower than */
#define LTEQ 0x51 /* lower than or equal */
#define GT 0x52 /* greater than */
#define GTEQ 0x53 /* greater than or equal */
#define EQ 0x54 /* equal */
#define NEQ 0x55 /* not equal */
#define ODD 0x56 /* TRUE if odd */
#define EVEN 0x57 /* TRUE if even */
#define IF 0x58 /* start of `if' clause */
#define EIF 0x59 /* end of `if' or `else' clause */
#define AND 0x5A /* logical AND */
#define OR 0x5B /* logical OR */
#define NOT 0x5C /* logical NOT */
#define DELTAP1 0x5D /* delta point exception 1 */
#define SDB 0x5E /* set `delta_base' */
#define SDS 0x5F /* set `delta_shift' */
#define ADD 0x60 /* addition */
#define SUB 0x61 /* subtraction */
#define DIV 0x62 /* division */
#define MUL 0x63 /* multiplication */
#define ABS 0x64 /* absolute value */
#define NEG 0x65 /* negation */
#define FLOOR 0x66 /* floor operation */
#define CEILING 0x67 /* ceiling operation */
#define ROUND_gray 0x68 /* round value with gray compensation */
#define ROUND_black 0x69 /* round value with black compensation */
#define ROUND_white 0x6A /* round value with white compensation */
#define ROUND_3 0x6B /* undefined */
#define NROUND_gray 0x6C /* apply gray compensation */
#define NROUND_black 0x6D /* apply black compensation */
#define NROUND_white 0x6E /* apply white compensation */
#define NROUND_3 0x6F /* undefined */
#define WCVTF 0x70 /* write to CVT in font units */
#define DELTAP2 0x71 /* delta point exception 2 */
#define DELTAP3 0x72 /* delta point exception 3 */
#define DELTAC1 0x73 /* delta cvt exception 1 */
#define DELTAC2 0x74 /* delta cvt exception 2 */
#define DELTAC3 0x75 /* delta cvt exception 3 */
#define SROUND 0x76 /* super round */
#define S45Round 0x77 /* super round at 45 degrees */
#define JROT 0x78 /* jump relative on TRUE */
#define JROF 0x79 /* jump relative on FALSE */
#define ROFF 0x7A /* turn off rounding */
#define INS_7B 0x7B /* undefined */
#define RUTG 0x7C /* round up to grid */
#define RDTG 0x7D /* round down to grid */
#define SANGW 0x7E /* ignored, obsolete */
#define AA 0x7F /* ignored, obsolete */
#define FLIPPT 0x80 /* flip point on-curve to off-curve and vice versa */
#define FLIPRGON 0x81 /* flip range of points to be on-curve */
#define FlIPRGOFF 0x82 /* flip range of points to be off-curve */
#define INS_83 0x83 /* undefined */
#define INS_84 0x84 /* undefined */
#define SCANCTRL 0x85 /* scan conversion control */
#define SDPVTL_para 0x86 /* set dual projection vector parallel to line */
#define SDPVTL_perp 0x87 /* set dual projection vector perpendicular to line */
#define GETINFO 0x88 /* get information about font scaler and current glyph */
#define IDEF 0x89 /* define instruction */
#define ROLL 0x8A /* roll top three stack elements */
#define MAX 0x8B /* maximum */
#define MIN 0x8C /* minimum */
#define SCANTYPE 0x8D /* set scan conversion rules */
#define INSTCTRL 0x8E /* set instruction control state */
#define INS_8F 0x8F /* undefined */
#define INS_90 0x90 /* undefined */
#define INS_91 0x91
#define INS_92 0x92
#define INS_93 0x93
#define INS_94 0x94
#define INS_95 0x95
#define INS_96 0x96
#define INS_97 0x97
#define INS_98 0x98
#define INS_99 0x99
#define INS_9A 0x9A
#define INS_9B 0x9B
#define INS_9C 0x9C
#define INS_9D 0x9D
#define INS_9E 0x9E
#define INS_9F 0x9F
#define INS_A0 0xA0 /* undefined */
#define INS_A1 0xA1
#define INS_A2 0xA2
#define INS_A3 0xA3
#define INS_A4 0xA4
#define INS_A5 0xA5
#define INS_A6 0xA6
#define INS_A7 0xA7
#define INS_A8 0xA8
#define INS_9A 0x9A
#define INS_AA 0xAA
#define INS_AB 0xAB
#define INS_AC 0xAC
#define INS_AD 0xAD
#define INS_AE 0xAE
#define INS_AF 0xAF
#define PUSHB_1 0xB0 /* push 1 byte */
#define PUSHB_2 0xB1 /* push 2 bytes */
#define PUSHB_3 0xB2 /* push 3 bytes */
#define PUSHB_4 0xB3 /* push 4 bytes */
#define PUSHB_5 0xB4 /* push 5 bytes */
#define PUSHB_6 0xB5 /* push 6 bytes */
#define PUSHB_7 0xB6 /* push 7 bytes */
#define PUSHB_8 0xB7 /* push 8 bytes */
#define PUSHW_1 0xB8 /* push 1 word */
#define PUSHW_2 0xB9 /* push 2 words */
#define PUSHW_3 0xBA /* push 3 words */
#define PUSHW_4 0xBB /* push 4 words */
#define PUSHW_5 0xBC /* push 5 words */
#define PUSHW_6 0xBD /* push 6 words */
#define PUSHW_7 0xBE /* push 7 words */
#define PUSHW_8 0xBF /* push 8 words */
#define MDRP_norp0_nokeep_noround_gray 0xC0 /* move direct relative point */
#define MDRP_norp0_nokeep_noround_black 0xC1
#define MDRP_norp0_nokeep_noround_white 0xC2
#define MDRP_norp0_nokeep_noround_3 0xC3 /* undefined */
#define MDRP_norp0_nokeep_round_gray 0xC4
#define MDRP_norp0_nokeep_round_black 0xC5
#define MDRP_norp0_nokeep_round_white 0xC6
#define MDRP_norp0_nokeep_round_3 0xC7
#define MDRP_norp0_keep_noround_gray 0xC8
#define MDRP_norp0_keep_noround_black 0xC9
#define MDRP_norp0_keep_noround_white 0xCA
#define MDRP_norp0_keep_noround_3 0xCB
#define MDRP_norp0_keep_round_gray 0xCC
#define MDRP_norp0_keep_round_black 0xCD
#define MDRP_norp0_keep_round_white 0xCE
#define MDRP_norp0_keep_round_3 0xCF
#define MDRP_rp0_nokeep_noround_gray 0xD0
#define MDRP_rp0_nokeep_noround_black 0xD1
#define MDRP_rp0_nokeep_noround_white 0xD2
#define MDRP_rp0_nokeep_noround_3 0xD3
#define MDRP_rp0_nokeep_round_gray 0xD4
#define MDRP_rp0_nokeep_round_black 0xD5
#define MDRP_rp0_nokeep_round_white 0xD6
#define MDRP_rp0_nokeep_round_3 0xD7
#define MDRP_rp0_keep_noround_gray 0xD8
#define MDRP_rp0_keep_noround_black 0xD9
#define MDRP_rp0_keep_noround_white 0xDA
#define MDRP_rp0_keep_noround_3 0xDB
#define MDRP_rp0_keep_round_gray 0xDC
#define MDRP_rp0_keep_round_black 0xDD
#define MDRP_rp0_keep_round_white 0xDE
#define MDRP_rp0_keep_round_3 0xDF
#define MIRP_norp0_nokeep_noround_gray 0xE0 /* move indirect relative point */
#define MIRP_norp0_nokeep_noround_black 0xE1
#define MIRP_norp0_nokeep_noround_white 0xE2
#define MIRP_norp0_nokeep_noround_3 0xE3 /* undefined */
#define MIRP_norp0_nokeep_round_gray 0xE4
#define MIRP_norp0_nokeep_round_black 0xE5
#define MIRP_norp0_nokeep_round_white 0xE6
#define MIRP_norp0_nokeep_round_3 0xE7
#define MIRP_norp0_keep_noround_gray 0xE8
#define MIRP_norp0_keep_noround_black 0xE9
#define MIRP_norp0_keep_noround_white 0xEA
#define MIRP_norp0_keep_noround_3 0xEB
#define MIRP_norp0_keep_round_gray 0xEC
#define MIRP_norp0_keep_round_black 0xED
#define MIRP_norp0_keep_round_white 0xEE
#define MIRP_norp0_keep_round_3 0xEF
#define MIRP_rp0_nokeep_noround_gray 0xF0
#define MIRP_rp0_nokeep_noround_black 0xF1
#define MIRP_rp0_nokeep_noround_white 0xF2
#define MIRP_rp0_nokeep_noround_3 0xF3
#define MIRP_rp0_nokeep_round_gray 0xF4
#define MIRP_rp0_nokeep_round_black 0xF5
#define MIRP_rp0_nokeep_round_white 0xF6
#define MIRP_rp0_nokeep_round_3 0xF7
#define MIRP_rp0_keep_noround_gray 0xF8
#define MIRP_rp0_keep_noround_black 0xF9
#define MIRP_rp0_keep_noround_white 0xFA
#define MIRP_rp0_keep_noround_3 0xFB
#define MIRP_rp0_keep_round_gray 0xFC
#define MIRP_rp0_keep_round_black 0xFD
#define MIRP_rp0_keep_round_white 0xFE
#define MIRP_rp0_keep_round_3 0xFF
/* a simple macro to emit bytecode instructions */
#define BCI(code) *(bufp++) = (FT_Byte)(code)
/* we increase the stack depth by this amount */
#define ADDITIONAL_STACK_ELEMENTS 20
/* symbolic names for storage area locations */
#define sal_i 0
#define sal_j sal_i + 1
#define sal_temp1 sal_j + 1
#define sal_temp2 sal_temp1 + 1
#define sal_temp3 sal_temp2 + 1
#define sal_best sal_temp3 + 1
#define sal_ref sal_best + 1
#define sal_func sal_ref + 1
#define sal_anchor sal_func + 1
#define sal_stem_width_function sal_anchor + 1
#define sal_base_delta sal_stem_width_function + 1
#define sal_vwidth_data_offset sal_base_delta + 1
#define sal_scale sal_vwidth_data_offset + 1
#define sal_point_min sal_scale + 1
#define sal_point_max sal_point_min + 1
#define sal_base sal_point_max + 1
#define sal_num_packed_segments sal_base + 1
#define sal_top_to_bottom_hinting sal_num_packed_segments + 1
#define sal_segment_offset sal_top_to_bottom_hinting + 1 /* must be last */
/* bytecode function numbers */
/* 0 */
#define bci_align_x_height 0
#define bci_round bci_align_x_height + 1
#define bci_smooth_stem_width bci_round + 1
#define bci_get_best_width bci_smooth_stem_width + 1
#define bci_strong_stem_width bci_get_best_width + 1
#define bci_loop_do bci_strong_stem_width + 1
#define bci_loop bci_loop_do + 1
#define bci_cvt_rescale bci_loop + 1
#define bci_cvt_rescale_range bci_cvt_rescale + 1
#define bci_vwidth_data_store bci_cvt_rescale_range + 1
#define bci_smooth_blue_round bci_vwidth_data_store + 1
#define bci_strong_blue_round bci_smooth_blue_round + 1
#define bci_blue_round_range bci_strong_blue_round + 1
#define bci_decrement_component_counter bci_blue_round_range + 1
#define bci_get_point_extrema bci_decrement_component_counter + 1
#define bci_nibbles bci_get_point_extrema + 1
#define bci_number_set_is_element bci_nibbles + 1
#define bci_number_set_is_element2 bci_number_set_is_element + 1
/* 18 */
#define bci_create_segment bci_number_set_is_element2 + 1
#define bci_create_segments bci_create_segment + 1
/* 20 */
/* the next ten entries must stay in this order */
#define bci_create_segments_0 bci_create_segments + 1
#define bci_create_segments_1 bci_create_segments_0 + 1
#define bci_create_segments_2 bci_create_segments_1 + 1
#define bci_create_segments_3 bci_create_segments_2 + 1
#define bci_create_segments_4 bci_create_segments_3 + 1
#define bci_create_segments_5 bci_create_segments_4 + 1
#define bci_create_segments_6 bci_create_segments_5 + 1
#define bci_create_segments_7 bci_create_segments_6 + 1
#define bci_create_segments_8 bci_create_segments_7 + 1
#define bci_create_segments_9 bci_create_segments_8 + 1
#define bci_create_segments_composite bci_create_segments_9 + 1
/* 31 */
/* the next ten entries must stay in this order */
#define bci_create_segments_composite_0 bci_create_segments_composite + 1
#define bci_create_segments_composite_1 bci_create_segments_composite_0 + 1
#define bci_create_segments_composite_2 bci_create_segments_composite_1 + 1
#define bci_create_segments_composite_3 bci_create_segments_composite_2 + 1
#define bci_create_segments_composite_4 bci_create_segments_composite_3 + 1
#define bci_create_segments_composite_5 bci_create_segments_composite_4 + 1
#define bci_create_segments_composite_6 bci_create_segments_composite_5 + 1
#define bci_create_segments_composite_7 bci_create_segments_composite_6 + 1
#define bci_create_segments_composite_8 bci_create_segments_composite_7 + 1
#define bci_create_segments_composite_9 bci_create_segments_composite_8 + 1
/* 41 */
/* the next three entries must stay in this order */
#define bci_deltap1 bci_create_segments_composite_9 + 1
#define bci_deltap2 bci_deltap1 + 1
#define bci_deltap3 bci_deltap2 + 1
/* 44 */
#define bci_align_point bci_deltap3 + 1
#define bci_align_segment bci_align_point + 1
#define bci_align_segments bci_align_segment + 1
/* 47 */
#define bci_scale_contour bci_align_segments + 1
#define bci_scale_glyph bci_scale_contour + 1
#define bci_scale_composite_glyph bci_scale_glyph + 1
#define bci_shift_contour bci_scale_composite_glyph + 1
#define bci_shift_subglyph bci_shift_contour + 1
/* 52 */
#define bci_ip_outer_align_point bci_shift_subglyph + 1
#define bci_ip_on_align_points bci_ip_outer_align_point + 1
#define bci_ip_between_align_point bci_ip_on_align_points + 1
#define bci_ip_between_align_points bci_ip_between_align_point + 1
/* 56 */
#define bci_adjust_common bci_ip_between_align_points + 1
#define bci_stem_common bci_adjust_common + 1
#define bci_serif_common bci_stem_common + 1
#define bci_serif_anchor_common bci_serif_common + 1
#define bci_serif_link1_common bci_serif_anchor_common + 1
#define bci_serif_link2_common bci_serif_link1_common + 1
/* 62 */
#define bci_lower_bound bci_serif_link2_common + 1
#define bci_upper_bound bci_lower_bound + 1
#define bci_upper_lower_bound bci_upper_bound + 1
/* 65 */
#define bci_adjust_bound bci_upper_lower_bound + 1
#define bci_stem_bound bci_adjust_bound + 1
#define bci_link bci_stem_bound + 1
#define bci_anchor bci_link + 1
#define bci_adjust bci_anchor + 1
#define bci_stem bci_adjust + 1
/* the order of the `bci_action_*' entries must correspond */
/* to the order of the TA_Action enumeration entries (in `tahints.h') */
/* 71 */
#define bci_action_ip_before bci_stem + 1
#define bci_action_ip_after bci_action_ip_before + 1
#define bci_action_ip_on bci_action_ip_after + 1
#define bci_action_ip_between bci_action_ip_on + 1
/* 75 */
#define bci_action_blue bci_action_ip_between + 1
#define bci_action_blue_anchor bci_action_blue + 1
/* 77 */
#define bci_action_anchor bci_action_blue_anchor + 1
#define bci_action_anchor_serif bci_action_anchor + 1
#define bci_action_anchor_round bci_action_anchor_serif + 1
#define bci_action_anchor_round_serif bci_action_anchor_round + 1
/* 81 */
#define bci_action_adjust bci_action_anchor_round_serif + 1
#define bci_action_adjust_serif bci_action_adjust + 1
#define bci_action_adjust_round bci_action_adjust_serif + 1
#define bci_action_adjust_round_serif bci_action_adjust_round + 1
#define bci_action_adjust_bound bci_action_adjust_round_serif + 1
#define bci_action_adjust_bound_serif bci_action_adjust_bound + 1
#define bci_action_adjust_bound_round bci_action_adjust_bound_serif + 1
#define bci_action_adjust_bound_round_serif bci_action_adjust_bound_round + 1
#define bci_action_adjust_down_bound bci_action_adjust_bound_round_serif + 1
#define bci_action_adjust_down_bound_serif bci_action_adjust_down_bound + 1
#define bci_action_adjust_down_bound_round bci_action_adjust_down_bound_serif + 1
#define bci_action_adjust_down_bound_round_serif bci_action_adjust_down_bound_round + 1
/* 93 */
#define bci_action_link bci_action_adjust_down_bound_round_serif + 1
#define bci_action_link_serif bci_action_link + 1
#define bci_action_link_round bci_action_link_serif + 1
#define bci_action_link_round_serif bci_action_link_round + 1
/* 97 */
#define bci_action_stem bci_action_link_round_serif + 1
#define bci_action_stem_serif bci_action_stem + 1
#define bci_action_stem_round bci_action_stem_serif + 1
#define bci_action_stem_round_serif bci_action_stem_round + 1
#define bci_action_stem_bound bci_action_stem_round_serif + 1
#define bci_action_stem_bound_serif bci_action_stem_bound + 1
#define bci_action_stem_bound_round bci_action_stem_bound_serif + 1
#define bci_action_stem_bound_round_serif bci_action_stem_bound_round + 1
#define bci_action_stem_down_bound bci_action_stem_bound_round_serif + 1
#define bci_action_stem_down_bound_serif bci_action_stem_down_bound + 1
#define bci_action_stem_down_bound_round bci_action_stem_down_bound_serif + 1
#define bci_action_stem_down_bound_round_serif bci_action_stem_down_bound_round + 1
/* 109 */
#define bci_action_serif bci_action_stem_down_bound_round_serif + 1
#define bci_action_serif_lower_bound bci_action_serif + 1
#define bci_action_serif_upper_bound bci_action_serif_lower_bound + 1
#define bci_action_serif_upper_lower_bound bci_action_serif_upper_bound + 1
#define bci_action_serif_down_lower_bound bci_action_serif_upper_lower_bound + 1
#define bci_action_serif_down_upper_bound bci_action_serif_down_lower_bound + 1
#define bci_action_serif_down_upper_lower_bound bci_action_serif_down_upper_bound + 1
/* 116 */
#define bci_action_serif_anchor bci_action_serif_down_upper_lower_bound + 1
#define bci_action_serif_anchor_lower_bound bci_action_serif_anchor + 1
#define bci_action_serif_anchor_upper_bound bci_action_serif_anchor_lower_bound + 1
#define bci_action_serif_anchor_upper_lower_bound bci_action_serif_anchor_upper_bound + 1
#define bci_action_serif_anchor_down_lower_bound bci_action_serif_anchor_upper_lower_bound + 1
#define bci_action_serif_anchor_down_upper_bound bci_action_serif_anchor_down_lower_bound + 1
#define bci_action_serif_anchor_down_upper_lower_bound bci_action_serif_anchor_down_upper_bound + 1
/* 123 */
#define bci_action_serif_link1 bci_action_serif_anchor_down_upper_lower_bound + 1
#define bci_action_serif_link1_lower_bound bci_action_serif_link1 + 1
#define bci_action_serif_link1_upper_bound bci_action_serif_link1_lower_bound + 1
#define bci_action_serif_link1_upper_lower_bound bci_action_serif_link1_upper_bound + 1
#define bci_action_serif_link1_down_lower_bound bci_action_serif_link1_upper_lower_bound + 1
#define bci_action_serif_link1_down_upper_bound bci_action_serif_link1_down_lower_bound + 1
#define bci_action_serif_link1_down_upper_lower_bound bci_action_serif_link1_down_upper_bound + 1
/* 130 */
#define bci_action_serif_link2 bci_action_serif_link1_down_upper_lower_bound + 1
#define bci_action_serif_link2_lower_bound bci_action_serif_link2 + 1
#define bci_action_serif_link2_upper_bound bci_action_serif_link2_lower_bound + 1
#define bci_action_serif_link2_upper_lower_bound bci_action_serif_link2_upper_bound + 1
#define bci_action_serif_link2_down_lower_bound bci_action_serif_link2_upper_lower_bound + 1
#define bci_action_serif_link2_down_upper_bound bci_action_serif_link2_down_lower_bound + 1
#define bci_action_serif_link2_down_upper_lower_bound bci_action_serif_link2_down_upper_bound + 1
/* 137 */
#define bci_hint_glyph bci_action_serif_link2_down_upper_lower_bound + 1
/* 138 */
#define bci_freetype_enable_deltas bci_hint_glyph + 1
#define NUM_FDEFS bci_freetype_enable_deltas + 1 /* must be last */
/* the first action handler */
#define ACTION_OFFSET bci_action_ip_before
/* symbolic names for run-time CVT locations */
/* (assigned in `prep' or `fpgm') */
#define cvtl_temp 0 /* used for creating twilight points */
#define cvtl_funits_to_pixels cvtl_temp + 1
#define cvtl_is_subglyph cvtl_funits_to_pixels + 1
#define cvtl_use_strong_functions cvtl_is_subglyph + 1
#define cvtl_is_element cvtl_use_strong_functions + 1
#define cvtl_do_iup_y cvtl_is_element + 1
#define cvtl_ignore_std_width cvtl_do_iup_y + 1
#define cvtl_max_runtime cvtl_ignore_std_width + 1 /* must be last */
/* symbolic names for build-time CVT locations */
/* (assigned in `cvt') */
/* note that each style has its own set of CVT data, */
/* to be accessed using the offsets in the `cvt_offsets' array */
/* first style index is 0 */
/* the following macros access the variables `font' and `sfnt' */
#define CVT_DATA ((glyf_Data*)(font->tables[sfnt->glyf_idx].data))
/*
* we have the following layout in the CVT table:
*
* . values initialized at runtime (`cvtl_max_runtime' elements)
* . scaling values for each style ID (`num_used_styles' elements) (*)
* . offset to the vertical stem widths array for each style ID (*+)
* (`num_used_styles' elements)
* . size of the vertical stem widths array for each style ID (*+)
* (`num_used_styles' elements)
*
* style ID 0:
* . horizontal standard width (1 element)
* . horizontal stem widths (`cvt_horz_width_sizes[id_to_idx(0)]'
* elements)
* . vertical standard width (1 element)
* . vertical stem widths (`cvt_vert_width_sizes[id_to_idx(0)]'
* elements)
* . flat blue zones (`cvt_blue_zone_sizes[id_to_idx(0)]' elements)
* . round blue zones (`cvt_blue_zone_sizes[id_to_idx(0)]' elements)
* style ID 1:
* ...
*
* (*) see function `bci_create_segments' how these three arrays get
* accessed
*
* (+) the values are stored as multiples of 64 to avoid rounding issues
* with non-square pixels (CVT values might be scaled forth and back by
* the bytecode interpreter while storing and reading if the aspect
* ratio between the horizontal and vertical resolution isn't equal
* to 1)
*
* note that the `id_to_idx' function is hypothetical since the code works
* exactly the opposite way: the `cvt_*' arrays are indexed by the style
* index, and the `style_ids' array maps style indices to style IDs
*/
/* scaling value index of style ID id */
#define CVT_SCALING_VALUE_OFFSET(id) \
(cvtl_max_runtime + (id))
/* vwidth offset data of style ID id */
#define CVT_VWIDTH_OFFSET_DATA(id) \
(CVT_SCALING_VALUE_OFFSET(id) \
+ CVT_DATA->num_used_styles)
/* vwidth size data of style ID id */
#define CVT_VWIDTH_SIZE_DATA(id) \
(CVT_VWIDTH_OFFSET_DATA(id) \
+ CVT_DATA->num_used_styles)
/* horizontal standard width indices of style i */
#define CVT_HORZ_STANDARD_WIDTH_OFFSET(i) \
(cvtl_max_runtime \
+ 3 * CVT_DATA->num_used_styles \
+ CVT_DATA->cvt_offsets[i])
/* start and size of horizontal stem widths array of style i */
#define CVT_HORZ_WIDTHS_OFFSET(i) \
(CVT_HORZ_STANDARD_WIDTH_OFFSET(i) + 1)
#define CVT_HORZ_WIDTHS_SIZE(i) \
(CVT_DATA->cvt_horz_width_sizes[i])
/* vertical standard width indices of style i */
#define CVT_VERT_STANDARD_WIDTH_OFFSET(i) \
(CVT_HORZ_WIDTHS_OFFSET(i) + CVT_HORZ_WIDTHS_SIZE(i))
/* start and size of vertical stem widths array of style i */
#define CVT_VERT_WIDTHS_OFFSET(i) \
(CVT_VERT_STANDARD_WIDTH_OFFSET(i) + 1)
#define CVT_VERT_WIDTHS_SIZE(i) \
(CVT_DATA->cvt_vert_width_sizes[i])
/* number of blue zones (including artificial ones) of style i */
#define CVT_BLUES_SIZE(i) \
(CVT_DATA->cvt_blue_zone_sizes[i])
/* start of blue zone arrays for flat and round edges of style i */
#define CVT_BLUE_REFS_OFFSET(i) \
(CVT_VERT_WIDTHS_OFFSET(i) + CVT_VERT_WIDTHS_SIZE(i))
#define CVT_BLUE_SHOOTS_OFFSET(i) \
(CVT_BLUE_REFS_OFFSET(i) + CVT_BLUES_SIZE(i))
/* x height blue zone (shoot) index of style i (valid if < 0xFFFF) */
#define CVT_X_HEIGHT_BLUE_OFFSET(i) \
(CVT_BLUE_SHOOTS_OFFSET(i) \
+ CVT_DATA->cvt_blue_adjustment_offsets[i])
extern FT_Byte ttfautohint_glyph_bytecode[7];
#endif /* TABYTECODE_H_ */
/* end of tabytecode.h */
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