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Diffstat (limited to 'libXfont/src/Speedo/speedo.h')
| -rw-r--r-- | libXfont/src/Speedo/speedo.h | 874 |
1 files changed, 874 insertions, 0 deletions
diff --git a/libXfont/src/Speedo/speedo.h b/libXfont/src/Speedo/speedo.h new file mode 100644 index 000000000..a5ba3a06a --- /dev/null +++ b/libXfont/src/Speedo/speedo.h @@ -0,0 +1,874 @@ +/* $Xorg: speedo.h,v 1.3 2000/08/17 19:46:27 cpqbld Exp $ */ + +/* + +Copyright 1989-1991, Bitstream Inc., Cambridge, MA. +You are hereby granted permission under all Bitstream propriety rights to +use, copy, modify, sublicense, sell, and redistribute the Bitstream Speedo +software and the Bitstream Charter outline font for any purpose and without +restrictions; provided, that this notice is left intact on all copies of such +software or font and that Bitstream's trademark is acknowledged as shown below +on all unmodified copies of such font. + +BITSTREAM CHARTER is a registered trademark of Bitstream Inc. + + +BITSTREAM INC. DISCLAIMS ANY AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING +WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +PARTICULAR PURPOSE. BITSTREAM SHALL NOT BE LIABLE FOR ANY DIRECT OR INDIRECT +DAMAGES, INCLUDING BUT NOT LIMITED TO LOST PROFITS, LOST DATA, OR ANY OTHER +INCIDENTAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF OR IN ANY WAY CONNECTED +WITH THE SPEEDO SOFTWARE OR THE BITSTREAM CHARTER OUTLINE FONT. + +*/ +/* $XFree86: xc/lib/font/Speedo/speedo.h,v 3.5 2001/01/17 19:43:18 dawes Exp $ */ + +#ifndef _SPEEDO_H_ +#define _SPEEDO_H_ + +#include <X11/Xmd.h> + +/***************************** S P E E D O . H ******************************* + ****************************************************************************/ + +/***** USER OPTIONS OVERRIDE DEFAULTS ******/ +#include "useropt.h" + +/***** CONFIGURATION DEFINITIONS *****/ + +#ifndef INCL_CLIPPING +#define INCL_CLIPPING 0 /* 0 indicates CLIPPING code is not compiled in*/ +#endif + +#ifndef INCL_SQUEEZING +#define INCL_SQUEEZING 0 /* 0 indicates SQUEEZE code is not compiled in*/ +#endif + +#ifndef INCL_EXT +#define INCL_EXT 1 /* 1 to include extended font support */ +#endif /* 0 to omit extended font support */ + +#ifndef INCL_RULES +#define INCL_RULES 1 /* 1 to include intelligent scaling support */ +#endif /* 0 to omit intelligent scaling support */ + +#ifndef INCL_BLACK +#define INCL_BLACK 1 /* 1 to include blackwriter output support */ +#endif /* 0 to omit output mode 0 support */ + +#ifndef INCL_SCREEN +#define INCL_SCREEN 0 /* 1 to include screen writeroutput support */ +#endif /* 0 to omit support */ + +#ifndef INCL_OUTLINE +#define INCL_OUTLINE 0 /* 1 to include outline output support */ +#endif /* 0 to omit output mode 2 support */ + +#ifndef INCL_2D +#define INCL_2D 0 /* 1 to include 2d blackwriter output support */ +#endif /* 0 to omit output mode 3 support */ + +#ifndef INCL_USEROUT +#define INCL_USEROUT 0 /* 1 to include user defined output module support */ +#endif /* 0 to omit user defined output module support */ + +#ifndef INCL_LCD +#define INCL_LCD 1 /* 1 to include load char data support*/ +#endif /* 0 to omit load char data support */ +#ifndef INCL_ISW +#define INCL_ISW 0 /* 1 to include imported width support */ +#endif /* 0 to omit imported width support */ + +#ifndef INCL_METRICS +#define INCL_METRICS 1 /* 1 to include metrics support */ +#endif /* 0 to omit metrics support */ + +#ifndef INCL_KEYS +#define INCL_KEYS 0 /* 1 to include multi key support */ +#endif /* 0 to omit multi key support */ + +#ifndef INCL_MULTIDEV +#define INCL_MULTIDEV 0 /* 1 to include multiple output device support */ +#endif /* 0 to omit multi device support */ + +#ifndef SHORT_LISTS +#define SHORT_LISTS 1 /* 1 to allocate small intercept lists */ +#endif + +#ifndef INCL_PLAID_OUT +#define INCL_PLAID_OUT 0 /* 1 to include plaid data monitoring */ +#endif /* 0 to omit plaid data monitoring */ + +#ifndef FONTFAR /* if Intel mixed memory model implementation */ +#define FONTFAR /* pointer type modifier for font buffer */ +#endif + +#ifndef STACKFAR /* if Intel mixed memory model implementation */ +#define STACKFAR /* pointer type modifier for font buffer */ +#endif + +#ifndef GLOBALFAR +#define GLOBALFAR +#endif + +#define MODE_BLACK 0 +#define MODE_SCREEN MODE_BLACK + INCL_BLACK +#define MODE_OUTLINE MODE_SCREEN + INCL_SCREEN +#define MODE_2D MODE_OUTLINE + INCL_OUTLINE + +#ifdef DYNAMIC_ALLOC +#if DYNAMIC_ALLOC +#define STATIC_ALLOC 0 +#endif +#endif + +#ifdef REENTRANT_ALLOC +#if REENTRANT_ALLOC +#define STATIC_ALLOC 0 +#endif +#endif + +#ifndef STATIC_ALLOC +#define STATIC_ALLOC 1 +#endif + +#ifndef DYNAMIC_ALLOC +#define DYNAMIC_ALLOC 0 +#endif + +#ifndef REENTRANT_ALLOC +#define REENTRANT_ALLOC 0 +#endif + +/***** TYPE DEFINITIONS *****/ + +#ifndef STDEF +#ifndef SPD_BMAP + +typedef INT8 fix7; + +typedef double real; + +typedef CARD8 ufix8; +#ifndef VFONT +typedef CARD8 boolean; +#endif +#endif + +typedef INT16 fix15; + +typedef CARD16 ufix16; + +typedef INT32 fix31; + +typedef CARD32 ufix32; +#endif + +/***** GENERAL CONSTANTS *****/ + +#ifndef FALSE +#define FALSE 0 +#define TRUE 1 +#endif + +#ifndef NULL +#include <stddef.h> +#endif + +#define FUNCTION + +#define BIT0 0x01 +#define BIT1 0x02 +#define BIT2 0x04 +#define BIT3 0x08 +#define BIT4 0x10 +#define BIT5 0x20 +#define BIT6 0x40 +#define BIT7 0x80 + +#if INCL_EXT /* Extended fonts supported? */ + +#define MAX_CONSTR 750 /* Max constraints (incl 4 dummies) */ +#define MAX_CTRL_ZONES 256 /* Max number of controlled orus */ +#define MAX_INT_ZONES 256 /* Max number of interpolation zones */ + +#else /* Compact fonts only supported */ + +#define MAX_CONSTR 512 /* Max constraints (incl 4 dummies) */ +#define MAX_CTRL_ZONES 64 /* Max number of controlled orus */ +#define MAX_INT_ZONES 64 /* Max number of interpolation zones */ + +#endif + +#define SCALE_SHIFT 12 /* Binary point positiion for scale values */ +#define SCALE_RND 2048 /* Rounding bit for scaling transformation */ +#define ONE_SCALE 4096 /* Unity scale value */ + +#ifdef INCL_SCREEN /* constants used by Screenwriter module */ +#define LEFT_INT 1 /* left intercept */ +#define END_INT 2 /* last intercept */ +#define FRACTION 0xFC /* fractional portion of intercept type list */ +#endif + +#if INCL_SQUEEZING || INCL_CLIPPING /* constants used by SQUEEZEing code */ +#define EM_TOP 764 +#define EM_BOT -236 +#endif + +/***** STRUCTURE DEFINITIONS *****/ +#if REENTRANT_ALLOC +#define PROTO_DECL1 struct speedo_global_data GLOBALFAR *sp_global_ptr +#define PROTO_DECL2 PROTO_DECL1 , +#else +#define PROTO_DECL1 void +#define PROTO_DECL2 +#endif + +typedef +struct buff_tag + { + ufix8 FONTFAR *org; /* Pointer to start of buffer */ + ufix32 no_bytes; /* Size of buffer in bytes */ + } +buff_t; /* Buffer descriptor */ + +typedef struct constr_tag + { + ufix8 FONTFAR *org; /* Pointer to first byte in constr data */ + ufix16 font_id; /* Font id for calculated data */ + fix15 xppo; /* X pixels per oru for calculated data */ + fix15 yppo; /* Y pixels per oru for calculated data */ + boolean font_id_valid; /* TRUE if font id valid */ + boolean data_valid; /* TRUE if calculated data valid */ + boolean active; /* TRUE if constraints enabled */ + } +constr_t; /* Constraint data state */ + +typedef struct kern_tag + { + ufix8 FONTFAR *tkorg; /* First byte of track kerning data */ + ufix8 FONTFAR *pkorg; /* First byte of pair kerning data */ + fix15 no_tracks; /* Number of kerning tracks */ + fix15 no_pairs; /* Number of kerning pairs */ + } +kern_t; /* Kerning control block */ + +typedef struct specs_tag + { + buff_t STACKFAR *pfont; /* Pointer to font data */ + fix31 xxmult; /* Coeff of X orus to compute X pix */ + fix31 xymult; /* Coeff of Y orus to compute X pix */ + fix31 xoffset; /* Constant to compute X pix */ + fix31 yxmult; /* Coeff of X orus to compute Y pix */ + fix31 yymult; /* Coeff of Y orus to compute Y pix */ + fix31 yoffset; /* Constant to compute Y pix */ + ufix32 flags; /* Mode flags: */ + /* Bit 0 - 2: Output module selector: */ + /* Bit 3: Send curves to output module*/ + /* Bit 4: Use linear scaling if set */ + /* Bit 5: Inhibit constraint table */ + /* Bit 6: Import set width if set */ + /* Bit 7: not used */ + /* Bit 8: Squeeze left if set */ + /* Bit 9: Squeeze right if set */ + /* Bit 10: Squeeze top if set */ + /* Bit 11: Squeeze bottom if set */ + /* Bit 12: Clip left if set */ + /* Bit 13: Clip right if set */ + /* Bit 14: Clip top if set */ + /* Bit 15: Clip bottom if set */ + /* Bits 16-31 not used */ + void *out_info; /* information for output module */ + } +specs_t; /* Specs structure for fw_set_specs */ + +typedef struct tcb_tag + { + fix15 xxmult; /* Linear coeff of Xorus to compute Xpix */ + fix15 xymult; /* Linear coeff of Yorus to compute Xpix */ + fix31 xoffset; /* Linear constant to compute Xpix */ + fix15 yxmult; /* Linear coeff of Xorus to compute Ypix */ + fix15 yymult; /* Linear coeff of Yorus to compute Ypix */ + fix31 yoffset; /* Linear constant to compute Ypix */ + fix15 xppo; /* Pixels per oru in X dimension of char */ + fix15 yppo; /* Pixels per oru in Y dimension of char */ + fix15 xpos; /* Origin in X dimension of character */ + fix15 ypos; /* Origin in Y dimension of character */ + ufix16 xtype; /* Transformation type for X oru coords */ + ufix16 ytype; /* Transformation type for Y oru coords */ + ufix16 xmode; /* Transformation mode for X oru coords */ + ufix16 ymode; /* Transformation mode for Y oru coords */ + fix15 mirror; /* Transformation creates mirror image */ + } +tcb_t; /* Transformation control block */ + +typedef struct point_tag + { + fix15 x; /* X coord of point (shifted pixels) */ + fix15 y; /* Y coord of point (shifted pixels) */ + } +point_t; /* Point in device space */ + +typedef struct band_tag + { + fix15 band_max; + fix15 band_min; + fix15 band_array_offset; + fix15 band_floor; + fix15 band_ceiling; + } band_t; + +typedef struct bbox_tag + { + fix31 xmin; + fix31 xmax; + fix31 ymin; + fix31 ymax; + } bbox_t; + +#if SHORT_LISTS +#define MAX_INTERCEPTS 256 /* Max storage for intercepts */ +typedef ufix8 cdr_t; /* 8 bit links in intercept chains */ +#else +#define MAX_INTERCEPTS 1000 /* Max storage for intercepts */ +typedef ufix16 cdr_t; /* 16 bit links in intercept chains */ +#endif + +#if REENTRANT_ALLOC + +typedef struct intercepts_tag + { + fix15 car[MAX_INTERCEPTS]; + fix15 cdr[MAX_INTERCEPTS]; +#if INCL_SCREEN + ufix8 inttype[MAX_INTERCEPTS]; + ufix8 leftedge; + ufix16 fracpix; +#endif + } intercepts_t; + +typedef struct plaid_tag + { + fix15 orus[MAX_CTRL_ZONES]; /* Controlled coordinate table (orus) */ + fix15 pix[MAX_CTRL_ZONES]; /* Controlled coordinate table (sub-pixels) */ + fix15 mult[MAX_INT_ZONES]; /* Interpolation multiplier table */ + fix31 offset[MAX_INT_ZONES]; /* Interpolation offset table */ + } plaid_t; +#endif + +#if INCL_MULTIDEV +typedef struct bitmap_tag + { + void (*p_open_bitmap)(PROTO_DECL2 fix31 x_set_width, fix31 y_set_width, fix31 xorg, fix31 yorg, fix15 xsize,fix15 ysize); + void (*p_set_bits)(PROTO_DECL2 fix15 y, fix15 xbit1, fix15 xbit2); + void (*p_close_bitmap)(PROTO_DECL1); + } bitmap_t; + +typedef struct outline_tag + { + void (*p_open_outline)(PROTO_DECL2 fix31 x_set_width, fix31 y_set_width, fix31 xmin, fix31 xmax, fix31 ymin,fix31 ymax); + void (*p_start_char)(PROTO_DECL1); + void (*p_start_contour)(PROTO_DECL2 fix31 x,fix31 y,boolean outside); + void (*p_curve)(PROTO_DECL2 fix31 x1, fix31 y1, fix31 x2, fix31 y2, fix31 x3, fix31 y3); + void (*p_line)(PROTO_DECL2 fix31 x, fix31 y); + void (*p_close_contour)(PROTO_DECL1); + void (*p_close_outline)(PROTO_DECL1); + } outline_t; +#endif + +/* ---------------------------------------------------*/ +/**** MAIN GLOBAL DATA STRUCTURE, SPEEDO_GLOBALS *****/ + +typedef struct speedo_global_data + { +/* do_char.c data definitions */ +#if INCL_METRICS /* Metrics functions supported? */ + kern_t kern; /* Kerning control block */ +#endif /* endif incl_metrics */ + point_t Psw; /* End of escapement vector (1/65536 pixel units) */ + +#if INCL_LCD /* Dynamic load character data supported? */ + fix15 cb_offset; /* Offset to sub-char data in char buffer */ +#endif /* endif incl_lcd */ + +/* do_trns.c data definitions */ + point_t P0; /* Current point (sub-pixels) */ + fix15 x_orus; /* Current X argument (orus) */ + fix15 y_orus; /* Current Y argument (orus) */ + fix15 x_pix; /* Current X argument (sub-pixels) */ + fix15 y_pix; /* Current Y argument (sub-pixels) */ + ufix8 x_int; /* Current X interpolation zone */ + ufix8 y_int; /* Current Y interpolation zone */ + +#if INCL_MULTIDEV && INCL_OUTLINE + outline_t outline_device; + boolean outline_device_set; +#endif + +#if INCL_BLACK || INCL_SCREEN || INCL_2D +#if INCL_MULTIDEV + bitmap_t bitmap_device; + boolean bitmap_device_set; +#endif + band_t y_band; /* Y current band(whole pixels) */ + + struct set_width_tag + { + fix31 x; + fix31 y; + } set_width; /* Character escapement vector */ + + boolean first_pass; /* TRUE during first pass thru outline data */ + boolean extents_running; /* T if extent accumulation for each vector */ + fix15 x0_spxl; /* X coord of current point (sub pixels) */ + fix15 y0_spxl; /* Y coord of current point (sub pixels) */ + fix15 y_pxl; /* Y coord of current point (whole pixels) */ +#if REENTRANT_ALLOC + intercepts_t STACKFAR *intercepts; +#else /* else if not reentrant */ + fix15 car[MAX_INTERCEPTS]; /* Data field of intercept storage */ + cdr_t cdr[MAX_INTERCEPTS]; /* Link field of intercept storage */ +#if INCL_SCREEN + ufix8 inttype[MAX_INTERCEPTS]; + ufix8 leftedge; + ufix16 fracpix; +#endif /* endif incl_screen */ +#endif /* endif reentrant */ + fix15 bmap_xmin; /* Min X value (sub-pixel units) */ + fix15 bmap_xmax; /* Max X value (sub-pixel units) */ + fix15 bmap_ymin; /* Min Y value (sub-pixel units) */ + fix15 bmap_ymax; /* Max Y value (sub-pixel units) */ + fix15 no_y_lists; /* Number of active intercept lists */ + fix15 first_offset; /* Index of first active list cell */ + fix15 next_offset; /* Index of next free list cell */ + boolean intercept_oflo; /* TRUE if intercepts data lost */ +#endif /* endif incl_black, incl_screen, incl_2d */ + +/* bounding box now used by all output modules, including outline */ + fix15 xmin; /* Min X value in whole character */ + fix15 xmax; /* Max X value in whole character */ + fix15 ymin; /* Min Y value in whole character */ + fix15 ymax; /* Max Y value in whole character */ + +#if INCL_2D + fix15 no_x_lists; /* Number of active x intercept lists */ + band_t x_band; /* X current band(whole pixels) */ + boolean x_scan_active; /* X scan flag during scan conversion */ +#endif + +/* reset.c data definitions */ + ufix16 key32; /* Decryption keys 3,2 combined */ + ufix8 key4; /* Decryption key 4 */ + ufix8 key6; /* Decryption key 6 */ + ufix8 key7; /* Decryption key 7 */ + ufix8 key8; /* Decryption key 8 */ + +/* set_spcs.c data definitions */ + buff_t font; + buff_t GLOBALFAR *pfont; /* Pointer to font buffer structure */ + fix31 font_buff_size; /* Number of bytes loaded in font buffer */ + ufix8 FONTFAR *pchar_dir; /* Pointer to character directory */ + fix15 first_char_idx; /* Index to first character in font */ + fix15 no_chars_avail; /* Total characters in font layout */ + fix15 orus_per_em; /* Outline resolution */ + fix15 metric_resolution; /* metric resolution for setwidths, kerning pairs + (defaults to orus_per_em) */ + tcb_t tcb0; /* Top level transformation control block */ + + boolean specs_valid; /* TRUE if fw_set_specs() successful */ + + fix15 depth_adj; /* Curve splitting depth adjustment */ + boolean curves_out; /* Allow curves to output module */ + fix15 output_mode; /* Output module selector */ + fix15 thresh; /* Scan conversion threshold (sub-pixels) */ + boolean normal; /* TRUE if 0 obl and mult of 90 deg rot */ + + fix15 multshift; /* Fixed point shift for multipliers */ + fix15 pixshift; /* Fixed point shift for sub-pixels */ + fix15 poshift; /* Left shift from pixel to output format */ + fix15 mpshift; /* Fixed point shift for mult to sub-pixels */ + fix31 multrnd; /* 0.5 in multiplier units */ + fix15 pixrnd; /* 0.5 in sub-pixel units */ + fix31 mprnd; /* 0.5 sub-pixels in multiplier units */ + fix15 pixfix; /* Mask to remove fractional pixels */ + fix15 onepix; /* 1.0 pixels in sub-pixel units */ + + boolean (*init_out)(PROTO_DECL2 specs_t GLOBALFAR *specsarg); + boolean (*begin_char)(PROTO_DECL2 point_t Psw,point_t Pmin,point_t Pmax); + void (*begin_sub_char)(PROTO_DECL2 point_t Psw,point_t Pmin,point_t Pmax); + void (*begin_contour)(PROTO_DECL2 point_t P1,boolean outside); + void (*curve)(PROTO_DECL2 point_t P1, point_t P2, point_t P3, fix15 depth); + void (*line)(PROTO_DECL2 point_t P1); + void (*end_contour)(PROTO_DECL1); + void (*end_sub_char)(PROTO_DECL1); + boolean (*end_char)(PROTO_DECL1); + specs_t GLOBALFAR *pspecs; /* Pointer to specifications bundle */ + specs_t specs; /* copy specs onto stack */ + ufix8 FONTFAR *font_org; /* Pointer to start of font data */ + ufix8 FONTFAR *hdr2_org; /* Pointer to start of private header data */ + +/* set_trns.c data definitions */ + tcb_t tcb; /* Current transformation control block */ + ufix8 Y_edge_org; /* Index to first Y controlled coordinate */ + ufix8 Y_int_org; /* Index to first Y interpolation zone */ + fix31 rnd_xmin; /* rounded out value of xmin for int-char spac. fix */ + +#if REENTRANT_ALLOC + plaid_t STACKFAR *plaid; +#else /* if not reentrant */ + fix15 orus[MAX_CTRL_ZONES]; /* Controlled coordinate table (orus) */ + fix15 pix[MAX_CTRL_ZONES]; /* Controlled coordinate table (sub-pixels) */ + fix15 mult[MAX_INT_ZONES]; /* Interpolation multiplier table */ + fix31 offset[MAX_INT_ZONES]; /* Interpolation offset table */ +#endif /* endif not reentrant */ + + fix15 no_X_orus; /* Number of X controlled coordinates */ + fix15 no_Y_orus; /* Number of Y controlled coordinates */ + ufix16 Y_constr_org; /* Origin of constraint table in font data */ + + constr_t constr; /* Constraint data state */ + boolean c_act[MAX_CONSTR]; /* TRUE if constraint currently active */ + fix15 c_pix[MAX_CONSTR]; /* Size of constrained zone if active */ +#if INCL_ISW + boolean import_setwidth_act; /* boolean to indicate imported setwidth */ + boolean isw_modified_constants; + ufix32 imported_width; /* value of imported setwidth */ + fix15 isw_xmax; /* maximum oru value for constants*/ +#endif +#if INCL_SQUEEZING || INCL_ISW + fix15 setwidth_orus; /* setwidth value in orus */ + /* bounding box in orus for squeezing */ + fix15 bbox_xmin_orus; /* X minimum in orus */ + fix15 bbox_xmax_orus; /* X maximum in orus */ + fix15 bbox_ymin_orus; /* Y minimum in orus */ + fix15 bbox_ymax_orus; /* Y maximum in orus */ +#endif +#ifdef INCL_SQUEEZING + boolean squeezing_compound; /* flag to indicate a compound character*/ +#endif +#ifdef INCL_CLIPPING + fix31 clip_xmax; + fix31 clip_ymax; + fix31 clip_xmin; + fix31 clip_ymin; +#endif + } SPEEDO_GLOBALS; + +/*********************************************************************************** + * + * Speedo global data structure allocation + * + ***********************************************************************************/ + +#ifdef SET_SPCS +#define EXTERN +#else +#define EXTERN extern +#endif +#if STATIC_ALLOC +EXTERN SPEEDO_GLOBALS GLOBALFAR sp_globals; +#define sp_intercepts sp_globals +#define sp_plaid sp_globals +#else +#if DYNAMIC_ALLOC +EXTERN SPEEDO_GLOBALS GLOBALFAR *sp_global_ptr; +#define sp_globals (*sp_global_ptr) +#define sp_intercepts (*sp_global_ptr) +#define sp_plaid (*sp_global_ptr) +#else +#if REENTRANT_ALLOC +#define sp_globals (*sp_global_ptr) +#define sp_intercepts (*(*sp_global_ptr).intercepts) +#define sp_plaid (*(*sp_global_ptr).plaid) +#endif +#endif +#endif +#ifdef EXTERN +#undef EXTERN +#endif + + +/***** PUBLIC FONT HEADER OFFSET CONSTANTS *****/ +#define FH_FMVER 0 /* U D4.0 CR LF NULL NULL 8 bytes */ +#define FH_FNTSZ 8 /* U Font size (bytes) 4 bytes */ +#define FH_FBFSZ 12 /* U Min font buffer size (bytes) 4 bytes */ +#define FH_CBFSZ 16 /* U Min char buffer size (bytes) 2 bytes */ +#define FH_HEDSZ 18 /* U Header size (bytes) 2 bytes */ +#define FH_FNTID 20 /* U Source Font ID 2 bytes */ +#define FH_SFVNR 22 /* U Source Font Version Number 2 bytes */ +#define FH_FNTNM 24 /* U Source Font Name 70 bytes */ +#define FH_MDATE 94 /* U Manufacturing Date 10 bytes */ +#define FH_LAYNM 104 /* U Layout Name 70 bytes */ +#define FH_CPYRT 174 /* U Copyright Notice 78 bytes */ +#define FH_NCHRL 252 /* U Number of Chars in Layout 2 bytes */ +#define FH_NCHRF 254 /* U Total Number of Chars in Font 2 bytes */ +#define FH_FCHRF 256 /* U Index of first char in Font 2 bytes */ +#define FH_NKTKS 258 /* U Number of kerning tracks in font 2 bytes */ +#define FH_NKPRS 260 /* U Number of kerning pairs in font 2 bytes */ +#define FH_FLAGS 262 /* U Font flags 1 byte: */ + /* Bit 0: Extended font */ + /* Bit 1: not used */ + /* Bit 2: not used */ + /* Bit 3: not used */ + /* Bit 4: not used */ + /* Bit 5: not used */ + /* Bit 6: not used */ + /* Bit 7: not used */ +#define FH_CLFGS 263 /* U Classification flags 1 byte: */ + /* Bit 0: Italic */ + /* Bit 1: Monospace */ + /* Bit 2: Serif */ + /* Bit 3: Display */ + /* Bit 4: not used */ + /* Bit 5: not used */ + /* Bit 6: not used */ + /* Bit 7: not used */ +#define FH_FAMCL 264 /* U Family Classification 1 byte: */ + /* 0: Don't care */ + /* 1: Serif */ + /* 2: Sans serif */ + /* 3: Monospace */ + /* 4: Script or calligraphic */ + /* 5: Decorative */ + /* 6-255: not used */ +#define FH_FRMCL 265 /* U Font form Classification 1 byte: */ + /* Bits 0-3 (width type): */ + /* 0-3: not used */ + /* 4: Condensed */ + /* 5: not used */ + /* 6: Semi-condensed */ + /* 7: not used */ + /* 8: Normal */ + /* 9: not used */ + /* 10: Semi-expanded */ + /* 11: not used */ + /* 12: Expanded */ + /* 13-15: not used */ + /* Bits 4-7 (Weight): */ + /* 0: not used */ + /* 1: Thin */ + /* 2: Ultralight */ + /* 3: Extralight */ + /* 4: Light */ + /* 5: Book */ + /* 6: Normal */ + /* 7: Medium */ + /* 8: Semibold */ + /* 9: Demibold */ + /* 10: Bold */ + /* 11: Extrabold */ + /* 12: Ultrabold */ + /* 13: Heavy */ + /* 14: Black */ + /* 15-16: not used */ +#define FH_SFNTN 266 /* U Short Font Name 32 bytes */ +#define FH_SFACN 298 /* U Short Face Name 16 bytes */ +#define FH_FNTFM 314 /* U Font form 14 bytes */ +#define FH_ITANG 328 /* U Italic angle 2 bytes (1/256th deg) */ +#define FH_ORUPM 330 /* U Number of ORUs per em 2 bytes */ +#define FH_WDWTH 332 /* U Width of Wordspace 2 bytes */ +#define FH_EMWTH 334 /* U Width of Emspace 2 bytes */ +#define FH_ENWTH 336 /* U Width of Enspace 2 bytes */ +#define FH_TNWTH 338 /* U Width of Thinspace 2 bytes */ +#define FH_FGWTH 340 /* U Width of Figspace 2 bytes */ +#define FH_FXMIN 342 /* U Font-wide min X value 2 bytes */ +#define FH_FYMIN 344 /* U Font-wide min Y value 2 bytes */ +#define FH_FXMAX 346 /* U Font-wide max X value 2 bytes */ +#define FH_FYMAX 348 /* U Font-wide max Y value 2 bytes */ +#define FH_ULPOS 350 /* U Underline position 2 bytes */ +#define FH_ULTHK 352 /* U Underline thickness 2 bytes */ +#define FH_SMCTR 354 /* U Small caps transformation 6 bytes */ +#define FH_DPSTR 360 /* U Display sups transformation 6 bytes */ +#define FH_FNSTR 366 /* U Footnote sups transformation 6 bytes */ +#define FH_ALSTR 372 /* U Alpha sups transformation 6 bytes */ +#define FH_CMITR 378 /* U Chemical infs transformation 6 bytes */ +#define FH_SNMTR 384 /* U Small nums transformation 6 bytes */ +#define FH_SDNTR 390 /* U Small denoms transformation 6 bytes */ +#define FH_MNMTR 396 /* U Medium nums transformation 6 bytes */ +#define FH_MDNTR 402 /* U Medium denoms transformation 6 bytes */ +#define FH_LNMTR 408 /* U Large nums transformation 6 bytes */ +#define FH_LDNTR 414 /* U Large denoms transformation 6 bytes */ + /* Transformation data format: */ + /* Y position 2 bytes */ + /* X scale 2 bytes (1/4096ths) */ + /* Y scale 2 bytes (1/4096ths) */ +#define SIZE_FW FH_LDNTR + 6 /* size of nominal font header */ +#define EXP_FH_METRES SIZE_FW /* offset to expansion field metric resolution (optional) */ + + + +/***** MODE FLAGS CONSTANTS *****/ +#define CURVES_OUT 0X0008 /* Output module accepts curves */ +#define BOGUS_MODE 0X0010 /* Linear scaling mode */ +#define CONSTR_OFF 0X0020 /* Inhibit constraint table */ +#define IMPORT_WIDTHS 0X0040 /* Imported width mode */ +#define SQUEEZE_LEFT 0X0100 /* Squeeze left mode */ +#define SQUEEZE_RIGHT 0X0200 /* Squeeze right mode */ +#define SQUEEZE_TOP 0X0400 /* Squeeze top mode */ +#define SQUEEZE_BOTTOM 0X0800 /* Squeeze bottom mode */ +#define CLIP_LEFT 0X1000 /* Clip left mode */ +#define CLIP_RIGHT 0X2000 /* Clip right mode */ +#define CLIP_TOP 0X4000 /* Clip top mode */ +#define CLIP_BOTTOM 0X8000 /* Clip bottom mode */ + +/*********************************************************************************** + * + * Speedo function declarations - use prototypes if available + * + ***********************************************************************************/ + +/* do_char.c functions */ +boolean sp_make_char(PROTO_DECL2 ufix16 char_index); +#if INCL_ISW +fix31 sp_compute_isw_scale(PROTO_DECL2); +static boolean sp_do_make_char(PROTO_DECL2 ufix16 char_index); +boolean sp_make_char_isw(PROTO_DECL2 ufix16 char_index, ufix32 imported_width); +static boolean sp_reset_xmax(PROTO_DECL2 fix31 xmax); +#endif +#if INCL_ISW || INCL_SQUEEZING +static void sp_preview_bounding_box(PROTO_DECL2 ufix8 FONTFAR *pointer,ufix8 format); +#endif + +#if INCL_METRICS /* Metrics functions supported? */ +fix31 sp_get_char_width(PROTO_DECL2 ufix16 char_index); +boolean sp_get_char_bbox(PROTO_DECL2 ufix16 char_index, bbox_t *bbox); +#endif + +/* do_trns.c functions */ +ufix8 FONTFAR *sp_read_bbox(PROTO_DECL2 ufix8 FONTFAR *pointer,point_t STACKFAR *pPmin,point_t STACKFAR *pPmax,boolean set_flag); +void sp_proc_outl_data(PROTO_DECL2 ufix8 FONTFAR *pointer); + +/* out_blk.c functions */ +#if INCL_BLACK +boolean sp_init_black(PROTO_DECL2 specs_t GLOBALFAR *specsarg); +boolean sp_begin_char_black(PROTO_DECL2 point_t Psw,point_t Pmin,point_t Pmax); +void sp_begin_contour_black(PROTO_DECL2 point_t P1,boolean outside); +void sp_line_black(PROTO_DECL2 point_t P1); +boolean sp_end_char_black(PROTO_DECL1); +#endif + +/* out_scrn.c functions */ +#if INCL_SCREEN +boolean sp_init_screen(PROTO_DECL2 specs_t GLOBALFAR *specsarg); +boolean sp_begin_char_screen(PROTO_DECL2 point_t Psw,point_t Pmin,point_t Pmax); +void sp_begin_contour_screen(PROTO_DECL2 point_t P1,boolean outside); +void sp_curve_screen(PROTO_DECL2 point_t P1,point_t P2,point_t P3, fix15 depth); +void sp_line_screen(PROTO_DECL2 point_t P1); +void sp_end_contour_screen(PROTO_DECL1); +boolean sp_end_char_screen(PROTO_DECL1); +#endif + +/* out_outl.c functions */ +#if INCL_OUTLINE +#if INCL_MULTIDEV +boolean sp_set_outline_device(PROTO_DECL2 outline_t *ofuncs, ufix16 size); +#endif + + +boolean sp_init_outline(PROTO_DECL2 specs_t GLOBALFAR *specsarg); +boolean sp_begin_char_outline(PROTO_DECL2 point_t Psw,point_t Pmin,point_t Pmax); +void sp_begin_sub_char_outline(PROTO_DECL2 point_t Psw,point_t Pmin,point_t Pmax); +void sp_begin_contour_outline(PROTO_DECL2 point_t P1,boolean outside); +void sp_curve_outline(PROTO_DECL2 point_t P1,point_t P2,point_t P3, fix15 depth); +void sp_line_outline(PROTO_DECL2 point_t P1); +void sp_end_contour_outline(PROTO_DECL1); +void sp_end_sub_char_outline(PROTO_DECL1); +boolean sp_end_char_outline(PROTO_DECL1); +#endif + +/* out_bl2d.c functions */ +#if INCL_2D +boolean sp_init_2d(PROTO_DECL2 specs_t GLOBALFAR *specsarg); +boolean sp_begin_char_2d(PROTO_DECL2 point_t Psw,point_t Pmin,point_t Pmax); +void sp_begin_contour_2d(PROTO_DECL2 point_t P1,boolean outside); +void sp_line_2d(PROTO_DECL2 point_t P1); +boolean sp_end_char_2d(PROTO_DECL1); +#endif + +/* out_util.c functions */ +#if INCL_BLACK || INCL_SCREEN || INCL_2D + +#if INCL_MULTIDEV +boolean sp_set_bitmap_device(PROTO_DECL2 bitmap_t *bfuncs, ufix16 size); +#endif + +void sp_init_char_out(PROTO_DECL2 point_t Psw, point_t Pmin, point_t Pmax); +void sp_begin_sub_char_out(PROTO_DECL2 point_t Psw, point_t Pmin, point_t Pmax); +void sp_curve_out(PROTO_DECL2 point_t P1, point_t P2, point_t P3, fix15 depth); +void sp_end_contour_out(PROTO_DECL1); +void sp_end_sub_char_out(PROTO_DECL1); +void sp_init_intercepts_out(PROTO_DECL1); +void sp_reduce_band_size_out(PROTO_DECL1); +boolean sp_next_band_out(PROTO_DECL1); +#endif + +#if INCL_USEROUT +boolean sp_init_userout(specs_t *specsarg); +#endif + + +/* reset.c functions */ +void sp_reset(PROTO_DECL1); +#if INCL_KEYS +void sp_set_key(PROTO_DECL2 ufix8 key[]); +#endif +ufix16 sp_get_cust_no(PROTO_DECL2 buff_t font_buff); + +/* set_spcs.c functions */ +boolean sp_set_specs(PROTO_DECL2 specs_t STACKFAR *specsarg); +void sp_type_tcb(PROTO_DECL2 tcb_t GLOBALFAR *ptcb); + +fix31 sp_read_long(PROTO_DECL2 ufix8 FONTFAR *pointer); +fix15 sp_read_word_u(PROTO_DECL2 ufix8 FONTFAR *pointer); + +/* set_trns.c functions */ +void sp_init_tcb(PROTO_DECL1); +void sp_scale_tcb(PROTO_DECL2 tcb_t GLOBALFAR *ptcb,fix15 x_pos,fix15 y_pos,fix15 x_scale,fix15 y_scale); +ufix8 FONTFAR *sp_plaid_tcb(PROTO_DECL2 ufix8 FONTFAR *pointer,ufix8 format); + +#if INCL_SQUEEZING || INCL_ISW +static void sp_calculate_x_pix(PROTO_DECL2 ufix8 start_edge,ufix8 end_edge,ufix16 constr_nr,fix31 x_scale,fix31 x_offset,fix31 ppo,fix15 setwidth_pix); +#endif +#if INCL_SQUEEZING +static void sp_calculate_y_pix(PROTO_DECL2 ufix8 start_edge,ufix8 end_edge,ufix16 constr_nr,fix31 top_scale,fix31 bottom_scale,fix31 ppo,fix15 emtop_pix,fix15 embot_pix); +boolean sp_calculate_x_scale(PROTO_DECL2 fix31 *x_factor,fix31 *x_offset,fix15 no_x_ctrl_zones); +boolean sp_calculate_y_scale(PROTO_DECL2 fix31 *top_scale,fix31 *bottom_scale,fix15 first_y_zone, fix15 no_Y_ctrl_zones); +#endif + + +/* user defined functions */ + +void sp_report_error(PROTO_DECL2 fix15 n); + +#if INCL_BLACK || INCL_SCREEN || INCL_2D +void sp_open_bitmap(PROTO_DECL2 fix31 x_set_width, fix31 y_set_width, fix31 xorg, fix31 yorg, fix15 xsize,fix15 ysize); +void sp_set_bitmap_bits(PROTO_DECL2 fix15 y, fix15 xbit1, fix15 xbit2); +void sp_close_bitmap(PROTO_DECL1); +#endif + +#if INCL_OUTLINE +void sp_open_outline(PROTO_DECL2 fix31 x_set_width, fix31 y_set_width, fix31 xmin, fix31 xmax, fix31 ymin,fix31 ymax); +void sp_start_new_char(PROTO_DECL1); +void sp_start_contour(PROTO_DECL2 fix31 x,fix31 y,boolean outside); +void sp_curve_to(PROTO_DECL2 fix31 x1, fix31 y1, fix31 x2, fix31 y2, fix31 x3, fix31 y3); +void sp_line_to(PROTO_DECL2 fix31 x, fix31 y); +void sp_close_contour(PROTO_DECL1); +void sp_close_outline(PROTO_DECL1); +#endif + +#if INCL_LCD /* Dynamic load character data supported? */ +buff_t *sp_load_char_data(PROTO_DECL2 fix31 file_offset,fix15 no_bytes,fix15 cb_offset); /* Load character data from font file */ +#endif + +#if INCL_PLAID_OUT /* Plaid data monitoring included? */ +void sp_record_xint(PROTO_DECL2 fix15 int_num); /* Record xint data */ +void sp_record_yint(PROTO_DECL2 fix15 int_num); /* Record yint data */ +void sp_begin_plaid_data(PROTO_DECL1); /* Signal start of plaid data */ +void sp_begin_ctrl_zones(PROTO_DECL2 fix15, no_X_zones, fix15 no_Y_zones); /* Signal start of control zones */ +void sp_record_ctrl_zone(PROTO_DECL2 fix31 start, fix31 end, fix15 constr); /* Record control zone data */ +void sp_begin_int_zones(PROTO_DECL2 fix15 no_X_int_zones, fix15 no_Y_int_zones); /* Signal start of interpolation zones */ +void sp_record_int_zone(PROTO_DECL2 fix31 start, fix31 end); /* Record interpolation zone data */ +void sp_end_plaid_data(PROTO_DECL1); /* Signal end of plaid data */ +#endif + +#endif /* _SPEEDO_H_ */ |