17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 237c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 247c478bd9Sstevel@tonic-gate 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate #ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.1 */ 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate /* 297c478bd9Sstevel@tonic-gate * 307c478bd9Sstevel@tonic-gate * Definitions used by the troff post-processor for PostScript printers. 317c478bd9Sstevel@tonic-gate * 327c478bd9Sstevel@tonic-gate * DEVNAME should be the name of a device whose font files accurately describe 337c478bd9Sstevel@tonic-gate * what's available on the target printer. It's a string that's combined with 347c478bd9Sstevel@tonic-gate * "/usr/lib/font/dev" to locate the final font directory. It can be changed 357c478bd9Sstevel@tonic-gate * using the -T option, but you may end up getting garbage - the character code 367c478bd9Sstevel@tonic-gate * field must agree with PostScript's character encoding scheme for each font and 377c478bd9Sstevel@tonic-gate * troff's one or two character font names must be mapped into the appropriate 387c478bd9Sstevel@tonic-gate * PostScript font names (typically in the prologue) 397c478bd9Sstevel@tonic-gate * 407c478bd9Sstevel@tonic-gate * 417c478bd9Sstevel@tonic-gate */ 427c478bd9Sstevel@tonic-gate 437c478bd9Sstevel@tonic-gate #define DEVNAME "post" /* name of the target printer */ 447c478bd9Sstevel@tonic-gate 457c478bd9Sstevel@tonic-gate /* 467c478bd9Sstevel@tonic-gate * 477c478bd9Sstevel@tonic-gate * NFONT is the most font positions we'll allow. It's set ridiculously high for no 487c478bd9Sstevel@tonic-gate * good reason. 497c478bd9Sstevel@tonic-gate * 507c478bd9Sstevel@tonic-gate */ 517c478bd9Sstevel@tonic-gate 527c478bd9Sstevel@tonic-gate #define NFONT 60 /* max number of font positions */ 537c478bd9Sstevel@tonic-gate 547c478bd9Sstevel@tonic-gate /* 557c478bd9Sstevel@tonic-gate * 567c478bd9Sstevel@tonic-gate * SLOP controls how much horizontal positioning error we'll accept and primarily 577c478bd9Sstevel@tonic-gate * helps when we're emulating another device. It's used when we output characters 587c478bd9Sstevel@tonic-gate * in oput() to check if troff and the printer have gotten too far out of sync. 597c478bd9Sstevel@tonic-gate * Given in units of points and can be changed using the -S option. Converted to 607c478bd9Sstevel@tonic-gate * machine units in t_init() after the resolution is known. 617c478bd9Sstevel@tonic-gate * 627c478bd9Sstevel@tonic-gate */ 637c478bd9Sstevel@tonic-gate 647c478bd9Sstevel@tonic-gate #define SLOP .2 /* horizontal error - in points */ 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate /* 677c478bd9Sstevel@tonic-gate * 687c478bd9Sstevel@tonic-gate * Fonts are assigned unique internal numbers (positive integers) in their ASCII 697c478bd9Sstevel@tonic-gate * font files. MAXINTERNAL is the largest internal font number that lets the host 707c478bd9Sstevel@tonic-gate * resident and DOCUMENTFONTS stuff work. Used to allocate space for an array that 717c478bd9Sstevel@tonic-gate * keeps track of what fonts we've seen and perhaps downloaded - could be better! 727c478bd9Sstevel@tonic-gate * 737c478bd9Sstevel@tonic-gate */ 747c478bd9Sstevel@tonic-gate 757c478bd9Sstevel@tonic-gate #define MAXINTERNAL 256 767c478bd9Sstevel@tonic-gate 777c478bd9Sstevel@tonic-gate /* 787c478bd9Sstevel@tonic-gate * 797c478bd9Sstevel@tonic-gate * Several different text line encoding schemes are supported. Print time should 807c478bd9Sstevel@tonic-gate * decrease as the value assigned to encoding (in dpost.c) increases, although the 817c478bd9Sstevel@tonic-gate * only encoding that's well tested is the lowest level one, which produces output 827c478bd9Sstevel@tonic-gate * essentially identical to the original version of dpost. Setting DFLTENCODING to 837c478bd9Sstevel@tonic-gate * 0 will give you the most stable (but slowest) encoding. The encoding scheme can 847c478bd9Sstevel@tonic-gate * also be set on the command line using the -e option. Faster methods are based 857c478bd9Sstevel@tonic-gate * on widthshow and may not place words exactly where troff wanted, but errors will 867c478bd9Sstevel@tonic-gate * usually not be noticeable. 877c478bd9Sstevel@tonic-gate * 887c478bd9Sstevel@tonic-gate */ 897c478bd9Sstevel@tonic-gate 907c478bd9Sstevel@tonic-gate #define MAXENCODING 3 917c478bd9Sstevel@tonic-gate 927c478bd9Sstevel@tonic-gate #ifndef DFLTENCODING 937c478bd9Sstevel@tonic-gate #define DFLTENCODING 0 947c478bd9Sstevel@tonic-gate #endif 957c478bd9Sstevel@tonic-gate 967c478bd9Sstevel@tonic-gate /* 977c478bd9Sstevel@tonic-gate * 987c478bd9Sstevel@tonic-gate * The encoding scheme controls how lines of text are output. In the lower level 997c478bd9Sstevel@tonic-gate * schemes words and horizontal positions are put on the stack as they're read and 1007c478bd9Sstevel@tonic-gate * when they're printed it's done in reverse order - the first string printed is 1017c478bd9Sstevel@tonic-gate * the one on top of the stack and it's the last one on the line. Faster methods 1027c478bd9Sstevel@tonic-gate * may be forced to reverse the order of strings on the stack, making the top one 1037c478bd9Sstevel@tonic-gate * the first string on the line. STRINGSPACE sets the size of a character array 1047c478bd9Sstevel@tonic-gate * that's used to save the strings that make up a line of text so they can be 1057c478bd9Sstevel@tonic-gate * output in reverse order or perhaps combined in groups for widthshow. 1067c478bd9Sstevel@tonic-gate * 1077c478bd9Sstevel@tonic-gate * MAXSTACK controls how far we let PostScript's operand stack grow and determines 1087c478bd9Sstevel@tonic-gate * the number of strings we'll save before printing all or part of a line of text. 1097c478bd9Sstevel@tonic-gate * The internal limit in PostScript printers built by Adobe is 500, so MAXSTACK 1107c478bd9Sstevel@tonic-gate * should never be bigger than about 240! 1117c478bd9Sstevel@tonic-gate * 1127c478bd9Sstevel@tonic-gate * Line is a structure used to keep track of the words (or rather strings) on the 1137c478bd9Sstevel@tonic-gate * current line that have been read but not printed. dx is the width troff wants 1147c478bd9Sstevel@tonic-gate * to use for a space in the current string. start is where the string began, width 1157c478bd9Sstevel@tonic-gate * is the total width of the string, and spaces is the number of space characters 1167c478bd9Sstevel@tonic-gate * in the current string. *str points to the start of the string in the strings[] 1177c478bd9Sstevel@tonic-gate * array. The Line structure is only used in the higher level encoding schemes. 118*55fea89dSDan Cross * 1197c478bd9Sstevel@tonic-gate */ 1207c478bd9Sstevel@tonic-gate 1217c478bd9Sstevel@tonic-gate #define MAXSTACK 50 /* most strings we'll save at once */ 1227c478bd9Sstevel@tonic-gate #define STRINGSPACE 2000 /* bytes available for string storage */ 1237c478bd9Sstevel@tonic-gate 1247c478bd9Sstevel@tonic-gate typedef struct { 1257c478bd9Sstevel@tonic-gate 1267c478bd9Sstevel@tonic-gate char *str; /* where the string is stored */ 1277c478bd9Sstevel@tonic-gate int dx; /* width of a space */ 1287c478bd9Sstevel@tonic-gate int spaces; /* number of space characters */ 1297c478bd9Sstevel@tonic-gate int start; /* horizontal starting position */ 1307c478bd9Sstevel@tonic-gate int width; /* and its total width */ 1317c478bd9Sstevel@tonic-gate 1327c478bd9Sstevel@tonic-gate } Line; 1337c478bd9Sstevel@tonic-gate 1347c478bd9Sstevel@tonic-gate /* 1357c478bd9Sstevel@tonic-gate * 1367c478bd9Sstevel@tonic-gate * Simple stuff used to map unrecognized font names into something reasonable. The 1377c478bd9Sstevel@tonic-gate * mapping array is initialized using FONTMAP and used in loadfont() whenever the 1387c478bd9Sstevel@tonic-gate * job tries to use a font that we don't recognize. Normally only needed when we're 1397c478bd9Sstevel@tonic-gate * emulating another device. 1407c478bd9Sstevel@tonic-gate * 1417c478bd9Sstevel@tonic-gate */ 1427c478bd9Sstevel@tonic-gate 1437c478bd9Sstevel@tonic-gate typedef struct { 1447c478bd9Sstevel@tonic-gate 1457c478bd9Sstevel@tonic-gate char *name; /* font name we're looking for */ 1467c478bd9Sstevel@tonic-gate char *use; /* and this is what we should use */ 1477c478bd9Sstevel@tonic-gate 1487c478bd9Sstevel@tonic-gate } Fontmap; 1497c478bd9Sstevel@tonic-gate 1507c478bd9Sstevel@tonic-gate #define FONTMAP \ 1517c478bd9Sstevel@tonic-gate \ 1527c478bd9Sstevel@tonic-gate { \ 1537c478bd9Sstevel@tonic-gate "G", "H", \ 1547c478bd9Sstevel@tonic-gate "LO", "S", \ 1557c478bd9Sstevel@tonic-gate "S2", "S", \ 1567c478bd9Sstevel@tonic-gate "GI", "HI", \ 1577c478bd9Sstevel@tonic-gate "HM", "H", \ 1587c478bd9Sstevel@tonic-gate "HK", "H", \ 1597c478bd9Sstevel@tonic-gate "HL", "H", \ 1607c478bd9Sstevel@tonic-gate "PA", "R", \ 1617c478bd9Sstevel@tonic-gate "PI", "I", \ 1627c478bd9Sstevel@tonic-gate "PB", "B", \ 1637c478bd9Sstevel@tonic-gate "PX", "BI", \ 1647c478bd9Sstevel@tonic-gate NULL, NULL, \ 1657c478bd9Sstevel@tonic-gate } 1667c478bd9Sstevel@tonic-gate 1677c478bd9Sstevel@tonic-gate /* 1687c478bd9Sstevel@tonic-gate * 1697c478bd9Sstevel@tonic-gate * The Fontmap stuff isn't quite enough if we expect to do a good job emulating 1707c478bd9Sstevel@tonic-gate * other devices. A recognized font in *realdev's tables may be have a different 1717c478bd9Sstevel@tonic-gate * name in *devname's tables, and using the *realdev font may not be the best 1727c478bd9Sstevel@tonic-gate * choice. The fix is to use an optional lookup table for *devname that's used to 1737c478bd9Sstevel@tonic-gate * map font names into something else before anything else is done. The table we 1747c478bd9Sstevel@tonic-gate * use is /usr/lib/font/dev*realdev/fontmaps/devname and if it exists getdevmap() 1757c478bd9Sstevel@tonic-gate * uses the file to fill in a Devfontmap array. Then whenever an "x font pos name" 1767c478bd9Sstevel@tonic-gate * command is read mapdevfont() uses the lookup table to map name into something 1777c478bd9Sstevel@tonic-gate * else before loadfont() is called. 1787c478bd9Sstevel@tonic-gate * 1797c478bd9Sstevel@tonic-gate */ 1807c478bd9Sstevel@tonic-gate 1817c478bd9Sstevel@tonic-gate typedef struct { 1827c478bd9Sstevel@tonic-gate 1837c478bd9Sstevel@tonic-gate char name[3]; /* map this font name */ 1847c478bd9Sstevel@tonic-gate char use[3]; /* into this one */ 1857c478bd9Sstevel@tonic-gate 1867c478bd9Sstevel@tonic-gate } Devfontmap; 187*55fea89dSDan Cross 1887c478bd9Sstevel@tonic-gate /* 1897c478bd9Sstevel@tonic-gate * 1907c478bd9Sstevel@tonic-gate * Some of the non-integer valued functions in dpost.c. 1917c478bd9Sstevel@tonic-gate * 1927c478bd9Sstevel@tonic-gate */ 1937c478bd9Sstevel@tonic-gate 1947c478bd9Sstevel@tonic-gate char *mapfont(); 1957c478bd9Sstevel@tonic-gate char *mapdevfont(); 1967c478bd9Sstevel@tonic-gate 197