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+/* $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) */
+#if INCL_RULES
+ 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
+ } 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) */
+#if INCL_RULES
+ 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 incl_rules */
+#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 */
+
+#if INCL_RULES
+ 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 */
+#endif
+#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 */
+ufix16 sp_get_char_id(PROTO_DECL2 ufix16 char_index);
+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);
+fix15 sp_get_track_kern(PROTO_DECL2 fix15 track,fix15 point_size);
+fix31 sp_get_pair_kern(PROTO_DECL2 ufix16 char_index1,ufix16 char_index2);
+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_scan_curve_screen(PROTO_DECL2 fix31 X0,fix31 Y0,fix31 X1,fix31 Y1,fix31 X2,fix31 Y2,fix31 X3,fix31 Y3);
+void sp_vert_line_screen(PROTO_DECL2 fix31 x, fix15 y1, fix15 y2);
+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_restart_intercepts_out(PROTO_DECL1);
+void sp_set_first_band_out(PROTO_DECL2 point_t Pmin, point_t Pmax);
+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);
+ufix8 FONTFAR *sp_skip_interpolation_table(PROTO_DECL2 ufix8 FONTFAR *pointer, ufix8 format);
+ufix8 FONTFAR *sp_skip_control_zone(PROTO_DECL2 ufix8 FONTFAR *pointer, ufix8 format);
+
+ufix8 FONTFAR *sp_read_oru_table(PROTO_DECL2 ufix8 FONTFAR *pointer);
+#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_ */