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1.1 ! root 1: ------------------------ ! 2: Version 3.3.2 7/7/92 ! 3: ------------------------ ! 4: ! 5: 1: Added UTF support for Plan 9. Only signigficant source code changes were ! 6: in dpost.utf (font.h, font.c, dpost.c). Added common/rune.[hc] so code ! 7: can be compiled elsewere. Remove RUNELIB in commmon/rune.h if fullrune(), ! 8: chartorune(), and runetochar() are available on your system. Original ! 9: DWB 3.3 dpost source is in directory dpost. You should select dpost or ! 10: dpost.utf in postscript.mk. Both compile and install a program called ! 11: dpost so don't pick both! ! 12: ! 13: 2: dpost can read old or UTF troff output. Default is whatever is assigned ! 14: to READING (file common/gen.h). You get one or the other, unless troff ! 15: tells dpost what encoding to use (currently x E UTF). ! 16: ! 17: 3: Most other translators passed bytes through and so only needed slightly ! 18: modified proglogues and a new encoding scheme (psencoding/UTF.enc). It ! 19: works for Latin1, but still needs a bit more attention. Prologue changes ! 20: were easy and only involved adding lines like, ! 21: ! 22: /show {show} bind def ! 23: /stringwidth {stringwidth} bind def ! 24: ! 25: Guarantees text procedures used in prologues aren't operators and can be ! 26: successfully redefined in UTF.enc. Unbinding means a small but probably ! 27: not noticeable speed penalty. You may not want to include those changes ! 28: on other system. ! 29: ! 30: 4: Operator redefinitions means dpost should work in it's own dictionary ! 31: (rather than userdict). Not implemented yet, but should be easy. Only ! 32: potential problem is with picture inclusion when dpost reads UTF.enc. ! 33: ! 34: ------------------------ ! 35: Version 3.3.2 5/15/92 ! 36: ------------------------ ! 37: ! 38: 1: postio now outputs all unrecognized status reports - primarly for spooler ! 39: accounting purposes. ! 40: ! 41: 2: The makefiles also enable the selection of alternate stream module names ! 42: for streams based DKHOST support in postio. ! 43: ! 44: 3: dpost now assumes the optional fifth token in a font mounting command ! 45: (e.g. x font 2 R /usr/me/font/R) is the full pathname of the font. troff ! 46: outputs the pathname when a .fp request contains a third argument that ! 47: begins with a / as in .fp 1 R /usr/me/font/R. ! 48: ! 49: 4: By request Latin1's - character has been changed from minus to the smaller ! 50: hyphen character. Added \(dq and \(bs (for " and \ characters) to devpost ! 51: and devLatin1 tables. Also added \(!! and \(?? to devpost tables. ! 52: ! 53: 5: Helvetica-Light and Helvetica-LightOblique tables are included as HL and ! 54: HK in devpost and devLatin1, even though fonts aren't generally available. ! 55: Also copy H to HM during an install of devpost and devLatin1 tables. ! 56: ! 57: 6: LH and LV are horizontal and vertical AT&T logos from Matthijs Melchior ! 58: with slight adjustments to the scaling of "AT&T". Also adjusted LV so globe ! 59: sits on the baseline. ! 60: ! 61: 7: Included L1 and LA outlines in devpost and devLatin1. Adjusted LA scaling ! 62: so size of "AT&T" matches what's in LH and LV. Original PostScript came ! 63: from Matthijs Melchior. ! 64: ! 65: 8: Included the "symmetric clippath" version of roundpage.ps as Nroundpage.ps ! 66: in directory postscript/psfiles. Move it to roundpage.ps if you want it to ! 67: be the default. ! 68: ! 69: 9: Added a few lines of code to dpost for handling current implementation of ! 70: the portrait/landscape mode macros. ! 71: ! 72: 10: The man page for download now documents the -r option and notes that -p ! 73: is for Unix 4.0 lp. ! 74: ! 75: ------------------------ ! 76: Version 3.3.1 4/30/91 ! 77: ------------------------ ! 78: ! 79: 1: buildtables stuff has been cleaned up and is now a user level command. ! 80: Uses shell.lib files that are installed with font tables. The devpost ! 81: tables were built on a version 47.0 PS-810. The devLatin1 tables were ! 82: built on a version 51.7 PS-820. ! 83: ! 84: 2: The devLatin1 tables provide support for the ISO Latin1 alphabet on ! 85: PostScript printers. ! 86: ! 87: 3: All translators support different text font encoding schemes using the ! 88: -E option and *.enc files installed in POSTLIB. The ISO Latin 1 alphabet ! 89: is supported with file /usr/lib/postscript/Latin1.enc. ! 90: ! 91: 4: printfont prints a table of the available (encoded) characters in one ! 92: or more PostScript fonts. It also understands the -E option. ! 93: ! 94: 5: grabit and hardcopy are two new programs that may be of interest to the ! 95: more serious PostScript programmer. grabit resembles ==, but produces ! 96: output that's usally easier to read. hardcopy redirects output from ! 97: PostScript file output operators (or procedures) to paper. It's useful ! 98: if you don't have direct access to a printer. ! 99: ! 100: 6: Prologues and programs are stored together. Other common PostScript files ! 101: are now in the psfiles directory. ! 102: ! 103: ------------------------ ! 104: Verions 3.3 4/16/90 ! 105: ------------------------ ! 106: ! 107: 1: The package is now included in DWB. Version numbers are a bit misleading. ! 108: The one in postscript.mk refers to the DWB package. ! 109: ! 110: 2: dpost (and troff) now read ASCII font tables. makedev and the old binary ! 111: format are gone. ! 112: ! 113: 3: The devpost directory came directly from the DWB package. The font tables ! 114: originally distributed with this package are in directory devopost. They ! 115: are not installed. If possible we recommend you use the devpost tables. ! 116: The old tables can be installed by adding devopost to the TARGETS list in ! 117: file postscript.mk. ! 118: ! 119: 4: dpost recognizes two new fields in font tables. Entries for the full ! 120: PostScript font look like, ! 121: ! 122: fontname Times-Roman ! 123: ! 124: The fontname field is helps manage host resident fonts, the DocumentFonts ! 125: comment, and is used to define font name abbreviations like the ones in ! 126: dpost.ps. A font table entry that looks like, ! 127: ! 128: named in prologue ! 129: ! 130: disables the runtime abbreviation for the font - dpost assumes it's already ! 131: in the prologue. ! 132: ! 133: 5: Extra font tables included in DWB 3.0's devpost font collection are in ! 134: directory devpost.add. They included here, but should probably not be ! 135: used. ! 136: ! 137: 6: Bracket building has been fixed and tested on a wide range of PostScript ! 138: printers. It will likely still not work on many clones. Real problem ! 139: appears to be with Adobe's braceleftbt character. ! 140: ! 141: 7: Most of the special tuning code for device emulation has been removed. ! 142: Emulation still works, but there may be cases where it's not as good as ! 143: earlier versions. ! 144: ! 145: 8: Several problems with color and reverse video printing have been fixed. ! 146: ! 147: 9: buildtables directory has been cleanup up. The template files in directory ! 148: buildtables/devpost.data were used to build the devpost tables. ! 149: ! 150: 10: postplot and download are two new programs. postplot is for the System V ! 151: plot package only. Both were written for the Unix 4.0 lp package. ! 152: ! 153: 11: postgif is also relatively new - it came from Chi Choy. ! 154: ! 155: 12: The translators now rotate clockwise when printing in landscape mode. If ! 156: you want the old behavior set ROTATION to -1 in postscript.mk. ! 157: ! 158: 13: forms.ps has been cleaned up some. Better behavior when you print 2 ! 159: landscape pages on one sheet. ! 160: ! 161: 14: Handling of Datakit code for System V has been changed some. Makefiles ! 162: now expect to find libdk.a and dk.h in standard places (e.g /usr/lib and ! 163: /usr/include). Set DKHOST to TRUE in postscript.mk to get Datakit support ! 164: on System V. ! 165: ! 166: If you're stuck and need to have things behave as they did in the past ! 167: take a look at file postio/postio.mk. Define DKHOSTDIR and uncomment ! 168: three lines and the behavior should be close to what it was. ! 169: ! 170: 15: Picture inclusion and color macros are gone. They're included in the DWB ! 171: package, and not here. ! 172: ! 173: ------------------------ ! 174: Version 3.2 11/27/89 ! 175: ------------------------ ! 176: ! 177: 1: Implemented height and slant requests in dpost. ! 178: ! 179: 2: Modified the behavior of all translators so save objects are no longer left ! 180: on the stack. The original implementation was a mistake and occasionally ! 181: (e.g. picture inclusion with forms.ps) resulted in invalid restores. ! 182: ! 183: 3: Fixed the mistake in the external declaration of mesg in postio/slowsend.c. ! 184: ! 185: 4: The malloc() call in postdmd (routine dimensions()) is only made if patterns ! 186: is positive. ! 187: ! 188: 5: Changed definition of De in draw.ps so savematrix is loaded with the CTM ! 189: whenever De is executed. Original implementation didn't work with forms.ps ! 190: because the CTM is changed with each page image. (4/29/89) ! 191: ! 192: 6: Flush stdout when postio is invoked with the -t option - just convenient ! 193: not necessary. (4/30/89) ! 194: ! 195: 7: Included a man page for the picture inclusion macros - file man/mpictures.5. ! 196: (5/6/89) ! 197: ! 198: 8: Added BoundingBox code to dpost - still needs to go in other translators. ! 199: Most of the work is done in common/bbox.c. (5/7/89) ! 200: ! 201: 9: Fiddled with the bracket building stuff in dpost.ps so things finally look ! 202: decent. Was particularly bad on the typesetter. ! 203: ! 204: 10: dpost now generates a PageBoundingBox comment and ps_include.c accepts ! 205: the comment. Added -B option to enable/disable the BoundingBox calculations. ! 206: -Bon to enable and -Boff to disable. On by default now, but that may change. ! 207: Add similar code to the rest of the translators (6/20/89). ! 208: ! 209: 11: Fixed ps_include.c so it properly handles %%BeginGlobal and %%EndGlobal. ! 210: Added braces and compare page.start to page.end instead of 0. ! 211: ! 212: 12: Added xymove(hpos, vpos) for \X'PS ...' request - near the end of devcntrl(). ! 213: Must output position info for following PostScript. ! 214: ! 215: 13: Added a call to endtext() immediately before the oput() call for \N'...' ! 216: requests. Without it spacing often messed up with -e2 but not -e0. ! 217: ! 218: ------------------------ ! 219: Version 3.1 11/15/88 ! 220: ------------------------ ! 221: ! 222: 1: postio can run as one or two processes (-R option) and can establish an ! 223: interactive connection with a postscript printer (-i option). Parsing of ! 224: status reports has been improved. The status query mechanism can be disabled ! 225: using the -q option. An exit status of 1 implies a system error (eg. can't ! 226: open the line) while 2 usually means there was an error in the PostScript ! 227: file. By default postio runs as a single process. The -B, -R, and -q options ! 228: can be used to speed things up some. A version of the program (previously ! 229: supplied in postio.tmp) that can help if you seem to be having flow control ! 230: problems can be obtained using the -S option. It's not generally recommended ! 231: and should only be used as a last resort! ! 232: ! 233: 2: Several widthshow encoding schemes have been added to dpost and can reduce ! 234: print time by 20% or more. The method used to encode lines of text can be ! 235: changed on the command line using the -e option. Level 0 produces output ! 236: essentially identical to previous versions of dpost. The default can be ! 237: changed by modifying the definition of ENCODING in ./Makefile. At present ! 238: only level 0 is thoroughly tested, although level 2 (ie. -e2) may be the ! 239: default and is undoubtedly worth a try. ! 240: ! 241: 3: dpost now supports color selection and reverse video. Access in troff is via ! 242: the stand-alone macro package ./macros/color. Examples are, ! 243: ! 244: .so /usr/lib/macros/color ! 245: .CL red "this prints in red" ! 246: .CL "white on black" "and this prints white text on a black background" ! 247: ! 248: The postscript procedures that handle color and reverse video can be found ! 249: in ./postscript/color.ps. Additional colors can be added to the colordict ! 250: dictionary defined in ./postscript/color.ps. ! 251: ! 252: 4: The dpost drawing routines have been improved and have been moved from the ! 253: prologue (ie. ./postscript/dpost.ps) to ./postscript/draw.ps. That file is ! 254: only included if needed. Drawing routines now support the ability to group ! 255: a series of drawing commands together as a single path. May be useful for ! 256: future versions of pic that wish to fill regions with colors or gray levels. ! 257: Access is via the new "x X BeginPath" and "x X DrawPath" device control ! 258: commands. In addition there's some complicated PostScript code in file ! 259: ./postscript/baseline.ps, that can be used to set text along an arbitrary ! 260: curve. It's terribly confusing and I doubt anyone will have the patience to ! 261: bother to figure it out. ! 262: ! 263: 5: A simple picture packing troff preprocessor (picpack) has been included and ! 264: the code needed to recover pictures and text has been added to dpost. The ! 265: program is designed to supplement to the original picture inclusion mechanism, ! 266: and should ONLY be used when absolutely necessary. Using dpost to pull picture ! 267: files into a document is strongly recommended and will always be the more ! 268: efficient and portable approach. picpack simply provides a way to combine ! 269: pictures and text in a single file before dpost is executed. It may help in ! 270: a distributed printing environment where the user runs everything through ! 271: troff while a spooling daemon (eg. lp) handles the postprocessing. There ! 272: are serious disadvantages to this approach, with perhaps the most important ! 273: being that troff output files (when picpack is used) will likely result in ! 274: files that can no longer be reliably passed through other important post- ! 275: processors like proof. ! 276: ! 277: 6: Code to handle host resident PostScript fonts in dpost has been tested and ! 278: finally works. The -H option points dpost to a host resident font directory, ! 279: which by default is NULL. Host resident font files stored in that directory ! 280: must be assigned a name that corresponds to the one or two character troff ! 281: font name. Width tables must also be built (see buildtables/README), the new ! 282: binary font files must be installed in /usr/lib/font/devpost, and a mapping ! 283: definition from troff's name to the PostScript font name must be added to ! 284: ./postscript/dpost.ps. ! 285: ! 286: 7: The default pattern length in postdmd has been reduced to from 10 to 6 bytes. ! 287: Printers with fast processors (eg. PS-810s) often benefit from a further ! 288: reduction, while optimal performance on slower printers (eg PS-800s) may ! 289: require larger pattern sizes. The pattern length can be set using the -b ! 290: option. Increasing the pattern size usually increases the size of the output ! 291: file. ! 292: ! 293: 8: Line drawing in posttek and postbgi includes code that automatically ties ! 294: lines to device space coordinates when you select a non-zero width. Helps ! 295: eliminate the variation in line thickness that many observed. The default ! 296: line width in posttek and postbgi is still 0 (which gets 1 pixel). If you ! 297: want a different default change the definition of variable linewidth in files ! 298: ./postscript/posttek.ps and ./postscript/postbgi.ps. ! 299: ! 300: 9: Defocused lines in posttek have been fixed. ! 301: ! 302: 10: postbgi now supports color and can be used to translate most PRISM (color ! 303: BGI) jobs. Special device specific tuning needed for many PRISM jobs can be ! 304: enabled by using the -P"/prism true" option. Missing pieces (eg. subroutines) ! 305: needed for translating PRISM jobs, have also been implemented. ! 306: ! 307: 11: postreverse can reverse the pages in documents that conform to Adobe's 1.0 ! 308: or 2.0 file structuring conventions, and it works with all the translators in ! 309: this package. The new version is backwards compatible, but files produced by ! 310: the new translators should not be passed through old versions of postreverse. ! 311: The likely result will be no output at all. If you choose to do a partial ! 312: installation put the new postreverse up first! ! 313: ! 314: 12: All translators attempt to conform to Adobe's Version 2.0 file structuring ! 315: conventions. dpost output falls short, but only in the interest of efficiency. ! 316: Passing dpost output through postreverse (perhaps with the -r option) produces ! 317: a minimally conforming PostScript file. ! 318: ! 319: 13: All the translators now support three options that pass arbitrary PostScript ! 320: through to the output file. The -P and -C options add a string and the ! 321: contents of a file respectively immediately after the prologue. It's assumed ! 322: whatever is added is legitimate PostScript - there is no checking. In each ! 323: case the added PostScript code becomes part of the job's global environment. ! 324: ! 325: The -R option can be used to request special action (eg. manualfeed) on a ! 326: global or page basis. The argument should be "request", "request:page", or ! 327: "request:page:file". If page is given as 0 or omitted the request applies ! 328: globally. If file is omitted the lookup is in /usr/lib/postscript/ps.requests. ! 329: The collection of recognized requests can be modified or extended by changing ! 330: /usr/lib/postscript/ps.requests. ! 331: ! 332: 14: PostScript code (from Johnathan Shopiro) that produces bolder versions of the ! 333: Courier fonts has been included in file postscript/fatcourier.ps. The file ! 334: can be added to individual prologue files (eg. dpost.ps) or pulled in as ! 335: needed using the -C option. ! 336: ! 337: 15: postmd is a new program that can be used to display a large matrix as a gray ! 338: scale image. May help if you're looking for patterns in a large matrix. A very ! 339: optimistic estimate suggests you can display up to a 600x600 matrix (with five ! 340: different shades of gray) on 300dpi printer using 8.5x11 inch paper. ! 341: ! 342: 16: What's available in buildtables has been cleaned up and works well with the ! 343: new version of postio. It can be used to have PostScript printers build troff ! 344: width tables for both printer and host resident fonts. ! 345: ! 346: 17: The PostScript bind operator has been applied to all procedures that are ! 347: expected to be executed more than once. Redefined save and restore procedures ! 348: are no longer needed and saverestore.ps is not included in this package. ! 349: ! 350: 18: The bizarre PostScript code used to get to the upper left corner of a page ! 351: in old versions of dpost.ps and postprint.ps has been replaced by something ! 352: that's at least slightly more comprehensible. All prologues have also been ! 353: changed so picture inclusion (eg. including a pic picture that's been run ! 354: through troff and dpost) should work better than previous versions. Still ! 355: missing (from most translators) is the %%BoundingBox comment and even when ! 356: it's put out (by postdmd) only the dimensions are correct - sorry! ! 357: ! 358: 19: The careless mistake in the DKHOST section of postio that some noticed belongs ! 359: to me (not Allan Buckwalter) and has now been fixed. ! 360: ! 361: 20: By default all prologues still use the current clipping path to determine page ! 362: dimensions, but that behavior can be disabled by setting boolean useclippath ! 363: (in each prologue) to false. In that case the page dimensions will be taken ! 364: from array pagebbox, which by default is initialized to 8x11 inch paper. The ! 365: -P options (in each translator) can change useclippth and pagebbox. ! 366: ! 367: 21: New in the misc directory is sample lp support from Maryann Csaszar and a ! 368: simple program that converts host resident font files obtained from a Macintosh ! 369: to a format that works on Unix. ! 370:
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