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